The 100 Best Ethereum Firms - 2025 Reviews

Top Ethereum Firms

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Discover world-class Ethereum firms and consultants ready to revolutionize your blockchain initiatives. Our curated list showcases vetted experts in Ethereum development, smart contract creation, and decentralized application (DApp) design. Explore each firm's portfolio and client testimonials to find the perfect match for your project. Whether you need assistance with token launches, blockchain integration, or Ethereum-based solutions, you'll find specialists to elevate your crypto ventures. Sortlist enables you to post your specific Ethereum project requirements, allowing top-tier firms and consultants to reach out with tailored proposals that align with your blockchain ambitions.

Top Featured Ethereum Firms

All Ethereum Consultants

  • (0 review)

    Empowering Businesses with Custom Software Development Services

    At InfoGrains, we're a team of 200+ skilled professionals, delivering cutting-edge solutions in: - Blockchain Development - Custom Software Development - IT Consulting Services - Artificial Intelligence (AI) - Internet of Things (IoT) - Machine Learning (ML) - Data Analytics - Digital Marketing - Enterprise Software Solutions - Mobile App Development - Web Development With a strong focus on customer satisfaction, we've delivered tailored solutions to clients across various industries, including Employee Benefits, Healthcare, E-commerce, and more. Our team includes distinguished professionals with industry expertise, ensuring we deliver high-quality solutions that drive business growth.
    Looking for work in Ethereum
    Unknown location
    Budget on request
    Worked in Clothing & Accessories (+3)
    Speaks English, Hindi
    201-500 members
  • 5
    (12 reviews)

    AI & Web3 Where Innovation Unfolds

    Highly recommended
    Sovanza Inc. Tech Agency Company Overview: Sovanza Inc. is a dynamic and innovative technology agency dedicated to providing cutting-edge solutions and services in the tech industry. Our mission is to empower businesses through advanced technology, ensuring they stay ahead in a rapidly evolving digital landscape. Our Vision: To be a global leader in technology solutions, fostering innovation, and driving digital transformation across industries. Core Values: Innovation: Constantly pushing the boundaries of technology to deliver pioneering solutions. Excellence: Commitment to the highest standards in every project we undertake. Integrity: Building trust through transparency and ethical practices. Collaboration: Working together with clients and partners to achieve mutual success. Services Offered: Custom Software Development: Tailored software solutions designed to meet the unique needs of businesses. Mobile App Development: Creating intuitive and powerful mobile applications for various platforms. Web Development: Developing responsive and robust websites to enhance online presence. IT Consulting: Providing expert guidance to optimize technology strategies and operations. Cloud Solutions: Implementing scalable and secure cloud infrastructure and services. Artificial Intelligence & Machine Learning: Leveraging AI and ML to drive innovation and efficiency. Cybersecurity: Ensuring robust protection against digital threats and vulnerabilities. Data Analytics: Transforming data into actionable insights for informed decision-making. Our Approach: At Sovanza Inc., we follow a client-centric approach, understanding the specific needs and goals of each client. Our team of experienced professionals utilizes the latest technologies and best practices to deliver high-quality, cost-effective solutions. We believe in building long-term relationships with our clients by consistently exceeding their expectations. Why Choose Sovanza Inc: Expertise: A team of highly skilled professionals with extensive industry experience. Innovation-Driven: Commitment to staying at the forefront of technological advancements. Custom Solutions: Bespoke services tailored to meet the unique challenges of each client. Proven Track Record: A history of successful projects and satisfied clients. End-to-End Services: Comprehensive solutions from conceptualization to implementation and support. Contact Us: For more information about our services or to discuss your technology needs, please visit our website at www.sovanza.com or contact us at admin@sovanza.com.
    Looking for work in Ethereum
    Located in Cheyenne, United States
    From €1,000 for Ethereum
    Worked in Marketing & Advertising (+3)
    Speaks English, Arabic
    11-50 members
  • 4.9
    (33 reviews)

    Développement Web & Applications Mobile iOS/Android, Design UX/UI, SEO / SEA / Ads!

    Highly recommended
    Top awarded
    Digital Unicorn est un studio digital spécialisé dans la conception, le design et le développement de projets digitaux performants, innovants et sur mesure. Nous sommes une équipe de développeurs, designers et chefs de projet, tous experts, passionnés par notre métier et fiers des applications mobiles que nous réalisons pour nos clients. Que vous soyez une grande entreprise ou une startup innovante, quel que soit votre projet, nous sommes là pour réaliser le projet dont vous avez besoin. Solution Technologique À la pointe des dernières tendances et avancées technologiques, nous pensons et développons les meilleures solutions pour chacun de vos besoins : objets connectés, micro-géolocalisation, intelligence artificielle, réalité virtuelle… Nous favorisons les dernières technologies les plus robustes et performantes telles que React Native, Node.js, Redux ou Firebase pour le développement de vos projets. Nous aimons nous impliquer totalement dans les projets en proposant la création et l’élaboration de l’UX (User Experience) , puis de l’UI (User Interface), du Design pour nous assurer que la conception produit technique et commerciale répond réellement au besoin de l’audience cible. Nous sommes convaincus qu’une collaboration étroite dès le début d’une idée est la garantie d’un développement rapide et performant, afin d’assurer un succès futur. Nous en faisons notre priorité. Cette première étape inclut la définition des fonctionnalités clés de votre projet et du cahier des charges technique associé. Solution UX et UI Design Nos designers travaillent avec vous pour créer une interface graphique (UI) et une expérience utilisateur (UX) à la fois créatives, design et répondant aux contraintes fonctionnelles de votre projet. Nous vous invitons à lire l’article que nous avons écrit sur la définition de l’UX Design et sa différence avec l’UI Design. Les phases de conception et de développement sont très importantes. Afin de vous démarquer, le design et l’expérience utilisateur permettra de vous proposer une véritable VP (Value Proposition) pour votre projet. Ceci déterminera les premières impressions de vos utilisateurs, sachant que plus de 80 % des utilisateurs désinstallent l’application après 1 minute d'utilisation : il est donc primordial de privilégier cette partie.
    Looking for work in Ethereum
    Located in Nice, France (+1)
    From €1,000 for Ethereum
    Worked in Real Estate (+33)
    Speaks French, English(+2)
    51-200 members
  • 4.8
    (5 reviews)

    Your Blockchain & Web3 Partners

    Highly recommended
    Top awarded
    Welcome to Avolox —your trusted partner in blockchain and Web3 innovation. We specialize in building innovative and complex solutions across leading blockchain protocols, including Ethereum, Solana, and fully customized blockchain networks. With extensive expertise in Layer 1, Layer 2, and Layer 0 technologies, we prioritize security, scalability, and industry best practices to deliver robust and future-ready solutions. Our Vision: To become the global leader in innovative Web3 and Blockchain solutions driven by technological evolution. Our Mission: Instilling confidence and improving the quality of life for customers through Web3 and Blockchain development expertise. Our Values: Innovation - Creating new solutions with passion and unwavering enthusiasm, harnessing the latest technologies. People - Empowering personal and professional growth, fostering creativity in a multidisciplinary team. Efficiency - Embracing productive execution and proposing realistic solutions. Relentless Pro-activity - Listening and collaborating to provide tranquil solutions. Excellence - Consistently exceeding clients' needs with technological expertise. Our Expertise: EVM-Based Development: Delivering powerful solutions on Ethereum and other EVM-compatible blockchains with optimized smart contracts, DeFi platforms, NFTs, and more. SVM-Based Development: Leveraging Solana’s high-speed and low-cost infrastructure to build scalable dApps, DeFi solutions, and blockchain applications with seamless user experiences. Custom Blockchain Solutions: Crafting tailored blockchain networks from the ground up, designed to meet unique business needs with a focus on security, scalability, and innovation. Business Solutions & Automation: Integrating blockchain to streamline operations, enhance transparency, and improve efficiency through smart contracts and decentralized automation. Partner with Avolox today to bring your blockchain vision to life!
    4 works in Ethereum
    Located in Amarillo, United States
    From €5,000 for Ethereum
    Worked in Banking & Financials (+6)
    Speaks English
    11-50 members
  • 5
    (5 reviews)

    Innovative Games, Award-Winning Experiences, Global Impact

    Cookies.Games is a leading game development studio founded in 2010 , bringing together over 80 talented professionals. We specialize in creating games across various genres, leveraging cutting-edge technologies and innovative ideas to craft immersive gaming experiences. Our team covers all aspects of game development, from concept and design to programming and marketing. Our Achievements: International Recognition: Won bronze (3rd place) at the international VR-apps competition by Samsung & Oculus in 2015, competing against over 1,000 developer teams worldwide. Top-Ranked Educational Game: Launched the educational project BUDDY, which reached the #1 spot in over 14 countries and has amassed over 6 million downloads. Committed to innovation and quality, we continue to push boundaries and create gaming experiences that captivate players worldwide.
    Looking for work in Ethereum
    Located in Frankfort, United States
    From €1,000 for Ethereum
    Worked in Video games (+2)
    Speaks English
    51-200 members
  • 5
    (6 reviews)

    Software development, Web development, Data Solutions, AI, ML.

    Recommended
    Sigli is een vooruitstrevend softwareontwikkelingsbedrijf dat gespecialiseerd is in digitale productontwikkeling en digitale transformatie. Onze missie, ‘ Data Science with Purpose, Innovation with Impact ’, drijft ons om innovatieve ideeën om te zetten in praktische oplossingen. Onze diensten omvatten de gehele ontwikkelingscyclus, van het eerste concept tot aan de implementatie, zodat elk product dat wij ontwikkelen van hoge kwaliteit, schaalbaar en toekomstbestendig is. Sigli helpt bedrijven te navigeren door de complexiteit van digitale transformatie, hun activiteiten te moderniseren, klantervaringen te verbeteren en het concurrentievoordeel te behouden in het steeds veranderende digitale landschap. De diepgaande expertise van ons team, gecombineerd met de toewijding om gebruik te maken van de nieuwste technologieën en best practices, zorgt ervoor dat wij impactvolle resultaten voor onze klanten leveren. Onze toewijding aan uitmuntendheid wordt verder gedemonstreerd door onze ISO/IEC 27001-certificering, de toonaangevende standaard voor informatiebeveiligingsbeheersystemen (ISMS). Deze certificering benadrukt onze toewijding aan het handhaven van de hoogste normen op het gebied van informatiebeveiliging, waardoor wij een betrouwbare partner zijn voor bedrijven die willen floreren in het digitale tijdperk.
    Looking for work in Ethereum
    Located in Antwerp, Belgium (+1)
    From €5,000 for Ethereum
    Worked in Restaurants (+10)
    Speaks English, Dutch(+3)
    51-200 members
  • 4.8
    (35 reviews)

    Leading Website and Mobile App Development Company

    Recommended
    SparxIT is a forward-looking digital transformation company, established in 2007, having a global presence in the USA, UK, UAE, and India. We are ISO 27001:2022 certified, solidifying our reputation as a prominent product development company crafting secure products through innovative cognitive solutions. We have developed sustainable tech products for diverse industries, including Healthcare, Supply Chain, BFSI, Retail & eCommerce. SparxIT has earned acclaim for delivering top-notch digital product solutions from industry leaders and tech magnets. We crafted intelligent tech solutions for Fortune 500 companies, startups, SMEs, and leading brands. We have domain-specific experience in .NET, JAVA, PHP, and Node. Our skilled developers also embrace the dynamic landscape of mobile applications, with proficiency in Native and Hybrid development. SparxIT has built several successful digital products using emerging technologies such as Artificial Intelligence, Blockchain, Machine Learning, and Metaverse that have helped businesses grow to new heights. In addition to our expertise in technology, SparxIT excels in developing sophisticated web solutions using platforms such as WordPress, Shopify, Magento, Drupal, Core PHP, etc. We also provide comprehensive quality assurance services that increase your business's credibility while also enhancing work procedures. Key Services: App Consulting Mobile App Development Website Design & Development Cybersecurity Digital Transformation DevOps eCommerce Quality Assurance Software Testing Blockchain Artificial Intelligence AR/VR/MR Development
    Looking for work in Ethereum
    Located in New York, United States (+3)
    From €5,000 for Ethereum
    Worked in Household Products (+18)
    Speaks English
    201-500 members
  • 5
    (1 review)

    Construisons l'avenir ensemble ! 🚀

    Experts en développement web et web3, COSESO vous propose un large éventail de services, allant de la création de sites vitrines et e-commerce à la réalisation de projets entièrement personnalisés. Nous intégrons des solutions innovantes comme la blockchain et l’intelligence artificielle, avec des outils tels que les bots GPT. Notre expertise couvre de nombreuses technologies, dont WordPress, WooCommerce, Shopify, ainsi que des développements sur mesure en ReactJS, Python, Solidity, Web3.js, et bien d’autres. Pourquoi faire appel à COSESO ? 🚀 Chez COSESO, nous allions expertise technique, innovation et relation client de proximité pour garantir le succès de vos projets. Collaborer avec COSESO, c’est profiter de : 🤝 Un accompagnement sur mesure pour répondre à vos besoins spécifiques. 🛠️ Des solutions personnalisées conçues pour s’adapter parfaitement à vos attentes. 🔧 Un suivi de qualité et une maintenance proactive pour assurer la pérennité de vos réalisations. 🔗 Une maîtrise des dernières technologies blockchain, incluant les smart contracts, les NFTs et les ICO/IDO. 🤖 Le développement de solutions basées sur l’intelligence artificielle, comme des bots GPT sur mesure. 📞 Une équipe réactive et toujours disponible pour vous accompagner à chaque étape. Contactez-nous dès maintenant pour discuter de vos idées et transformer vos ambitions en projets concrets. 💬
    Looking for work in Ethereum
    Located in Paris, France
    From €1,000 for Ethereum
    Worked in Banking & Financials (+5)
    Speaks English, French(+1)
    1-10 members
  • 4.5
    (1 review)

    Somos tu Empresa de Desarrollo Blockchain y dApps

    🇪🇸 🇨🇴 🇲🇽 Somos Metlabs , una empresa especializada en desarrollo blockchain, plataformas Web3 y tokenización de activos reales. Creamos soluciones robustas para la digitalización y gestión de activos sobre tecnología descentralizada. Desde España, trabajamos con empresas de Europa, América Latina y Estados Unidos, acompañándolas en todo el proceso de diseño y desarrollo de productos Web3: desde el planteamiento estratégico hasta la implementación técnica. Combinamos experiencia en tecnología blockchain, desarrollo de smart contracts y arquitectura de sistemas para ofrecer soluciones a medida en sectores como el inmobiliario, financiero o legal. Nuestros servicios: -Desarrollo de plataformas Web3 -Desarrollo de plataformas de tokenización de activos (inmobiliarios, financieros, artísticos) -Desarrollo de smart contracts sobre Ethereum, Polygon, Arbitrum, BNB Chain y más -Consultoría técnica en proyectos blockchain Contáctanos y llevemos tu proyecto al siguiente nivel. hello@metlabs.io 🇺🇸 🇬🇧 Metlabs is a blockchain development company specialized in Web3 platforms and real-world asset tokenization. We design and build robust, scalable solutions for the digitization and management of assets on decentralized infrastructure. Based in Spain, we work with companies across Europe, Latin America and the US, supporting them throughout the entire product lifecycle—from strategic planning to technical execution. We bring deep expertise in blockchain protocols, smart contract development, and system architecture to create tailor-made solutions for industries like real estate, finance, and legal services. Our services: -Web3 platform development -Asset tokenization platform development (real estate, finance, art) -Smart contract development on Ethereum, Polygon, Arbitrum, BNB Chain and others -Technical consulting f or blockchain projects Get in touch and let’s take your project to the next level. hello@metlabs.io 🇵🇹 A Metlabs é uma empresa de desenvolvimento blockchain especializada em plataformas Web3 e tokenização de ativos do mundo real. Desenvolvemos soluções escaláveis para digitalizar e gerir ativos através de tecnologia descentralizada. Com sede em Espanha, trabalhamos com empresas de toda a Europa, América Latina e Estados Unidos, oferecendo suporte técnico desde a fase inicial até à implementação completa do projeto. A nossa equipa combina know-how técnico em desenvolvimento de smart contracts, arquitetura de sistemas e integração de protocolos blockchain. Os nossos serviços: -Desenvolvimento de plataformas Web3 -Desenvolvimento de plataformas para tokenização de ativos (imobiliários, financeiros, artísticos) -Desenvolvimento de smart contracts em Ethereum, Polygon, Arbitrum, BNB Chain e outras redes -Consultoria técnica em projetos blockchain Contacta-nos e leva o teu projeto ao próximo nível. hello@metlabs.io
    Looking for work in Ethereum
    Located in A Coruña, Spain
    From €10,000 for Ethereum
    Worked in Banking & Financials (+3)
    Speaks English, Arabic(+5)
    11-50 members
  • 5
    (10 reviews)

    Potenzia il tuo business con soluzioni tecnologiche avanzate: sviluppo software, app, AI

    Highly recommended
    Siamo una società di sviluppo tecnologico orientata a fornire soluzioni digitali personalizzate, in grado di trasformare le sfide aziendali in opportunità di crescita. La nostra missione è aiutare le imprese a innovare e ad adattarsi al mondo digitale, attraverso lo sviluppo di applicazioni web e mobile, software su misura, e soluzioni avanzate basate su intelligenza artificiale e blockchain. Grazie a un team di esperti altamente qualificati, adottiamo una metodologia agile e collaborativa, garantendo un approccio personalizzato per ogni cliente. Lavoriamo a stretto contatto con i nostri partner, ascoltando le loro esigenze e costruendo soluzioni che rispondano ai loro obiettivi di business, sempre con un occhio all’innovazione e alla qualità. Dalla progettazione alla realizzazione, offriamo tecnologie all’avanguardia, sicurezza, scalabilità e supporto continuo. Ogni nostro progetto è una partnership a lungo termine, dove l'obiettivo è sempre quello di massimizzare i risultati e migliorare le performance aziendali. Servizi principali: - Sviluppo Web e App Mobile su misura - Soluzioni eCommerce ottimizzate - Intelligenza Artificiale e Machine Learning - Tecnologie Blockchain per la gestione sicura delle transazioni Siamo il partner ideale per le aziende che cercano soluzioni tecnologiche innovative, scalabili e sicure, per affrontare le sfide digitali del presente e del futuro.
    Looking for work in Ethereum
    Located in Province of Pescara, Italy
    From €3,000 for Ethereum
    Worked in Retail (+7)
    Speaks English, Italian
    1-10 members
  • 4.9
    (13 reviews)

    Desarrollamos Apps & Web3 Desarrollamos sueños

    Highly recommended
    Somos una empresa dedicada al desarrollo de Apps (iOS y Android), PWA, Web3 y Blockchain. Tenemos mas de 10 años de experiencia y trabajamos para Argentina, Latinoamerica, EEUU y Europa. Nos comprometemos con nuestros clientes asesorándolos y acompañándolos a lo largo de todo el proceso de desarrollo y evolución del producto. Nos especializamos en: solidity, react, ionic, apache cordova, angular, node.js y mongoDB.
    Looking for work in Ethereum
    Located in Córdoba, Argentina
    From €1,000 for Ethereum
    Worked in Travel & Leisure (+9)
    Speaks English, Spanish
    11-50 members
  • 5
    (1 review)

    Empowering Businesses with Cutting-Edge IT Development.

    Empowering Digital Transformation with Innovation and Excellence At Virtual Height IT Services Pvt. Ltd., we are dedicated to providing cutting-edge IT solutions that drive digital transformation and empower businesses to reach new heights. With a strong focus on innovation, quality, and customer satisfaction, we offer a comprehensive range of services tailored to meet the unique needs of our clients across various industries. Our Services Include: Custom Software Development: We specialize in creating bespoke software solutions that streamline operations, enhance productivity, and drive growth. Web and Mobile App Development: Our team of experts design and develop intuitive, user-friendly web and mobile applications that deliver exceptional user experiences. E-commerce Solutions: From setting up online stores to managing digital transactions, we provide robust e-commerce solutions that drive sales and customer engagement. Digital Marketing: Our digital marketing services, including SEO, SEM, social media management, and content marketing, help businesses increase their online visibility and reach their target audience effectively. Cloud Services: We offer scalable cloud solutions that provide flexibility, security, and efficiency, enabling businesses to adapt quickly to changing demands. IT Consulting: Our consulting services guide businesses in making informed IT decisions, ensuring they leverage the right technologies to achieve their strategic goals. Why Choose Virtual Height? Expertise and Experience: With a team of highly skilled professionals, we bring extensive experience and expertise to every project, ensuring the highest quality standards. Customer-Centric Approach: We prioritize our clients' needs and work closely with them to understand their challenges and deliver customized solutions that exceed their expectations. Innovative Solutions: Our commitment to innovation drives us to stay ahead of industry trends and incorporate the latest technologies into our solutions. Global Reach: Serving clients worldwide, we understand diverse market dynamics and provide solutions that cater to a global audience. At Virtual Height IT Services Pvt. Ltd., we are passionate about helping businesses navigate the digital landscape and achieve their full potential. Join us on a journey of innovation and excellence, and let’s create a brighter future together. Visit us at www.virtualheight.com to learn more about our services and how we can help your business thrive in the digital age.
    Looking for work in Ethereum
    Located in Ahmedabad, India (+1)
    From €799 for Ethereum
    Worked in Political Organization (+6)
    Speaks English
    201-500 members
  • 4.6
    (10 reviews)

    Your Reliable Software Development Partner

    SparkMinds is a Software Development Outsourcing firm founded in 2021. Having started our business by implementing Blockchain projects, our honor is to having the success of several multimillion-dollar Crypto Exchange projects. On the upswing, SparkMinds has expanded our labor force and provide technology services in many sectors, such as banking systems, account integration, fintech mobile apps, enterprise financial software, wallet applications, and secure data sharing…all over the world.
    Looking for work in Ethereum
    Located in Tan Binh, Vietnam
    From €3,000 for Ethereum
    Worked in Banking & Financials (+4)
    Speaks English, Vietnamese
    51-200 members
  • 5
    (15 reviews)

    Passion For Perfection

    Highly recommended
    Top awarded
    Vinova is an award-winning Singapore-headquartered IT consulting and development powerhouse that drives growth and success for 250+ companies worldwide. With over 14 years of experience, Vinova has successfully delivered more than 300 projects ranging from custom software, mobile app development, website design, to Data engineering, RPA, AI, Blockchain and Cybersecurity. Vinova harness the power of data, artificial intelligence, modernising core, optimising and automating operations to achieve clients’ business goals. Our clients span the globe and cover a wide range of industries including IoT, blockchain, banking, fintech, marketplace, and ecommerce, government sector and more. We have a skilled team behind our work and our care for each task enables our solutions to drive true business growth for all our clients. An innovative company that prides itself on delivering projects with high standards, Vinova has already won the trust of many happy clients, and our impressive portfolio proves our technological capabilities. Our clientele includes giants such as FWD, Samsung, OCBC, SPH, EM Services, Abbott, Singapore Police Force, PwC, Razer, and many more.
    Looking for work in Ethereum
    Located in Singapore, Singapore (+5)
    From €1,000 for Ethereum
    Worked in Legal Services (+11)
    Speaks English, Chinese(+3)
    201-500 members
  • 5
    (1 review)

    Your Emerging Tech Partner

    "Seize it before it breeze" , Codiste (https://codiste.com)is an Emerging Tech Solution Provider for the Media Industry, Business Automation, Fintech, and Real estate. We keep expanding the horizon of our expertise in various industries using Blockchain, AI, and Augmented Reality. We believe in Data data-driven approach when we build solutions for our customers. Our team of highly skilled professionals is committed to delivering innovative and customized solutions to meet the unique needs and requirements of our Customers, We make sure our Customers are making informed decisions and are well aware of the end-to-end solution on how it works. We take a customer-centric approach to our work, ensuring that our clients receive exceptional service and the highest quality work, even on the most complex projects. Our expertise in the latest technologies, combined with our industry-leading project management processes, ensures that we consistently deliver projects on time and within budget. We follow the DDOM approach when it comes to the Delivery of products. As a trusted partner for startups, and SMEs, we understand the challenges and opportunities faced by modern organizations, and we work closely with our clients to develop solutions that address their specific needs and goals. Our focus on innovation and collaboration means that we are constantly pushing the boundaries of what's possible, helping our clients to stay ahead of the curve and achieve long-term success.
    1 work in Ethereum
    Located in Los Angeles, United States
    From €1,000 for Ethereum
    Worked in Media (+4)
    Speaks English
    51-200 members
  • 5
    (2 reviews)

    Icodelabs | Innovative Software Development & IT Solutions

    Recommended
    Icodelabs is a leading digital solutions provider specializing in Web & Custom Software Development, Mobile App Development (iOS & Android), Marketplace Development, UI/UX Design, Sharetribe , and Digital Marketing services. Our team of skilled professionals is dedicated to delivering high-quality digital design and development work for businesses of all sizes and budgets. With a focus on adaptation and growth, we understand the challenges small businesses face and offer tailored solutions to help them succeed in the online marketplace. Our expertise combines branding, graphic design, website, mobile app design and development, and online/offline marketing strategies to help our clients attract and engage customers for successful business growth.
    Looking for work in Ethereum
    Located in Sahibzada Ajit Singh Nagar, India
    From €1,000 for Ethereum
    Works in multiple industries
    Speaks English
    51-200 members
  • 5
    (1 review)
    Looking for work in Ethereum
    Located in Lausanne, Switzerland
    From €25,000 for Ethereum
    Works in multiple industries
    Speaks English, French(+1)
    1-10 members
  • (0 review)

    We offer end-to-end Web3 & Blockchain Business Solutions

    CoinsQueens is a leading provider of cryptocurrency exchange services, known for serving businesses that stand out in the highly competitive crypto industry. With a track record of over 750 successfully delivered projects,We have earned a reputable name in the crypto industry. As experts in cryptocurrency and blockchain solutions, we specialize in offering high performance solutions to cryptoexchange development and dApp creation to NFT marketplace and Web3 platform development that cater to the growing demands of various industries, including banking, healthcare, real estate, and entertainment industry. CoinsQueens has a professional technical team of 250+ skilled developers and 100+ blockchain experts, ready to assist our clients at all times in creating high-liquidity crypto exchange platforms with smooth and user-friendly interfaces, security features for user transactions. Our end-to-end blockchain services cover smart contract development, token and cryptocurrency creation, DeFi solutions, Metaverse development, and crypto trading bot development. We build advanced crypto trading bots of AI-driven algorithms to execute trades,so clients can achieve high-frequency trading and automated portfolio management in the fast-paced crypto market. In addition, we Develop custom dApp development, decentralized finance (DeFi) solutions, and blockchain consulting, offering tailored, high-performance solutions for any business model or industry. Our quality assistance team is another pillar of our support structure, providing clients with personalized, reliable help whenever they need it. Whether it’s troubleshooting, updates, or general queries, our team is dedicated to ensuring that every exchange operates smoothly. We believe in offering more than just software; we provide a partnership that fosters long-term success. We are proud to have gained the trust of our clients through consistent performance and a commitment to excellence. Whether you’re looking to start your exchange or upgrade your existing platform, CoinsQueens is here to help you every step of the way. Schedule a demo today and explore our portfolio to see how we can support your business with industry-leading crypto exchange solutions.
    Looking for work in Ethereum
    Located in Madurai, India
    From €1,000 for Ethereum
    Worked in Others (+1)
    Speaks English
    51-200 members
  • 1.2
    (1 review)

    Meant To Innovate

    At Ment Tech, we are at the forefront of blockchain and AI engineering, driving innovation and transforming industries. With our unparalleled expertise and groundbreaking solutions, we have ushered in a new era of operational excellence for esteemed financial institutions, governments, and corporations on a global scale. Our Commitment: Innovation : We are committed to pushing the boundaries of technology, constantly innovating to create solutions that redefine industries. Expertise : With a team of seasoned professionals, we bring years of experience and knowledge to every project we undertake. Global Impact: Our solutions have a profound impact on businesses and governments worldwide, improving efficiency, security, and transparency. Partnership : We collaborate closely with our clients to understand their unique needs, providing tailored solutions that drive success.
    Looking for work in Ethereum
    Located in Indore, India
    From €10,000 for Ethereum
    Works in multiple industries
    Speaks English
    51-200 members

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Customer reviews about Ethereum Firms

Financial DirectorFinance | Toronto, CA

Our experience working with a noted Ethereum Firm in Toronto, CA proved exceedingly beneficial. The firm offered expert advice and outstanding service, with consultants who are unequivocally proficient in Ethereum transactions and smart contracts, enhancing the effectiveness of our operations.

IT ManagerInformation Technology | London, UK

Partnering with an Ethereum Firm in London, UK allowed us to leverage their extensive expertise to implement advanced Ethereum solutions effectively. The consultants were highly knowledgeable and proactive, ensuring our project not only met but exceeded our expectations.

Tech Startup CEOBlockchain | New York, NY

Engaging with the professionals from an Ethereum Firm in New York, NY was transformative for our blockchain project. Their deep understanding of Ethereum technology and strategic approach were pivotal. The consultant's ability to decode complex Ethereum challenges into actionable insights helped accelerate our project's success.

Latest Projects Submitted to Ethereum Consultants

Decentralized Voting System on EthereumInnovative government agency€40,000 - €60,000 | 06-2025A government agency is looking for an Ethereum consultant to design and implement a decentralized voting system to enhance transparency and security in local elections.
Design and Implementation of a Decentralized Finance PlatformLeading Financial Services Provider€40,000 - €60,000 | 05-2025A prominent financial services company is looking for an Ethereum specialist to design and implement a decentralized finance (DeFi) platform. This platform aims to offer secure, transparent financial products including crypto lending and borrowing.
Blockchain-Based Asset Management SystemInvestment firm exploring digital asset management€40,000 - €60,000 | 04-2025An investment firm seeks Ethereum consultants to create a blockchain-based system that provides security and transparency in managing a wide range of digital assets.
Development of a Decentralized Finance PlatformInnovative fintech company€40,000 - €60,000 | 03-2025A fintech company is seeking an Ethereum firm to create a decentralized finance (DeFi) platform allowing users to access various financial services through blockchain technology. Required expertise in secure transaction handling and user experience design.
Development of a cross-platform blockchain appFintech startup specializing in blockchain solutions€30,000 - €50,000 | 10-2024A startup company is searching for an Ethereum consulting firm to design and develop a secure, scalable cross-platform application for managing digital transactions and assets.

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Global real estate issuance and trading platform

DiveWallet - Your next-gen crypto asset manager

DiveWallet - Your next-gen crypto asset manager


Frequently Asked Questions.


Ethereum consultants play a crucial role in helping clients navigate the complex and ever-evolving regulatory landscape surrounding blockchain and cryptocurrency. Their expertise is invaluable in ensuring compliance and mitigating risks in this rapidly changing field. Here are the key roles Ethereum consultants fulfill in this area:

  1. Regulatory Compliance Guidance: Ethereum consultants stay up-to-date with the latest regulations and provide guidance on how to comply with laws in different jurisdictions. This includes advising on:
    • Anti-Money Laundering (AML) and Know Your Customer (KYC) requirements
    • Securities laws and token classifications
    • Data protection and privacy regulations (e.g., GDPR)
    • Tax implications of cryptocurrency transactions
  2. Risk Assessment and Mitigation: Consultants help identify potential regulatory risks associated with blockchain projects and develop strategies to mitigate these risks. This may involve:
    • Conducting thorough due diligence on smart contracts and token designs
    • Advising on best practices for secure key management and custody solutions
    • Developing compliance frameworks and internal controls
  3. Liaison with Regulatory Bodies: Ethereum consultants often act as intermediaries between clients and regulatory authorities, helping to:
    • Interpret complex regulatory requirements
    • Prepare and submit necessary documentation for licenses or approvals
    • Respond to regulatory inquiries or audits
  4. Cross-border Compliance: For global operations, consultants provide expertise on:
    • Navigating international regulatory frameworks
    • Ensuring compliance across multiple jurisdictions
    • Advising on the implications of operating in different regulatory environments
  5. Regulatory Technology (RegTech) Implementation: Consultants may recommend and assist in implementing RegTech solutions to:
    • Automate compliance processes
    • Enhance transaction monitoring and reporting
    • Improve data management and analysis for regulatory purposes
  6. Ongoing Monitoring and Updates: The regulatory landscape is constantly changing, so consultants provide:
    • Regular updates on new regulations or changes to existing ones
    • Continuous assessment of compliance programs
    • Recommendations for adapting to new regulatory requirements
  7. Education and Training: Ethereum consultants often conduct workshops and training sessions to:
    • Educate clients' teams on regulatory requirements
    • Promote a culture of compliance within organizations
    • Keep stakeholders informed about regulatory trends and best practices

By leveraging the expertise of Ethereum consultants, clients can navigate the complex regulatory landscape more effectively, reducing legal risks and ensuring their blockchain and cryptocurrency initiatives are compliant with applicable laws and regulations. This not only helps avoid potential legal issues but also builds trust with users, investors, and regulatory authorities, which is crucial for the long-term success of blockchain projects in the Ethereum ecosystem.



Ethereum firms approach smart contract development with a combination of rigorous methodologies, cutting-edge tools, and industry best practices to ensure both security and efficiency. Here's an overview of their approach and the best practices they follow:

1. Design and Planning:
  • Thorough requirement analysis and specification documentation
  • Creating detailed flowcharts and architectural diagrams
  • Defining clear objectives and functionalities for the smart contract
2. Development Practices:
  • Using standardized design patterns (e.g., OpenZeppelin contracts)
  • Implementing modular and reusable code
  • Following Solidity style guides and best coding practices
  • Utilizing version control systems (e.g., Git) for collaborative development
3. Security Measures:
  • Conducting thorough code reviews and pair programming
  • Implementing access controls and permission systems
  • Using secure random number generation techniques
  • Avoiding common vulnerabilities (e.g., reentrancy, integer overflow)
  • Implementing circuit breakers and pause functionality for emergencies
4. Testing and Verification:
  • Writing comprehensive unit tests and integration tests
  • Performing formal verification using tools like K Framework or Why3
  • Conducting thorough testing on testnets before mainnet deployment
  • Utilizing automated testing frameworks (e.g., Truffle, Hardhat)
5. Auditing:
  • Engaging third-party security auditors for comprehensive code reviews
  • Participating in bug bounty programs to incentivize vulnerability discovery
  • Addressing and resolving all identified issues before deployment
6. Optimization for Efficiency:
  • Gas optimization techniques to reduce transaction costs
  • Efficient data storage and management practices
  • Utilizing libraries and proxy patterns for upgradability
7. Documentation and Transparency:
  • Providing clear, comprehensive documentation for the smart contract
  • Publishing source code and verification on block explorers (e.g., Etherscan)
  • Maintaining transparency about contract functionality and any potential risks

By following these approaches and best practices, Ethereum firms can develop smart contracts that are not only secure and efficient but also maintainable and transparent. It's important to note that the field of smart contract development is rapidly evolving, and firms must stay updated with the latest security standards and Ethereum improvements to ensure the highest level of quality in their work.

Key Aspect Tools and Techniques
Development Environments Remix IDE, Truffle Suite, Hardhat
Testing Frameworks Mocha, Chai, Waffle
Security Analysis Tools MythX, Slither, Manticore
Formal Verification K Framework, Certora Prover
Gas Optimization ETH Gas Station, GasNow

As the Ethereum ecosystem continues to grow and evolve, firms must adapt their practices to meet new challenges and opportunities. The upcoming Ethereum 2.0 transition, for instance, will bring significant changes to the network's architecture and may introduce new considerations for smart contract development and deployment.



Businesses looking to integrate Ethereum-based solutions often face several key challenges. Understanding these obstacles and how Ethereum consultants can help overcome them is crucial for successful implementation. Here are the main challenges and the ways consultants can provide valuable assistance:

1. Technical Complexity

Challenge: Ethereum's technology stack is complex and rapidly evolving, making it difficult for businesses to keep up with the latest developments and best practices.

Consultant's Role: Ethereum consultants can provide expert guidance on the latest protocols, development frameworks, and tools. They can help businesses navigate the technical landscape, choose the right solutions, and implement them effectively.

2. Scalability Issues

Challenge: Ethereum's current infrastructure can sometimes struggle with high transaction volumes, leading to network congestion and increased gas fees.

Consultant's Role: Consultants can advise on scalability solutions such as Layer 2 technologies (e.g., Optimistic Rollups, zk-Rollups) or sharding implementations. They can help businesses design their solutions to optimize for scalability and cost-effectiveness.

3. Security Concerns

Challenge: Smart contract vulnerabilities and potential security breaches are significant concerns for businesses dealing with valuable digital assets.

Consultant's Role: Ethereum consultants can conduct thorough security audits, implement best practices for smart contract development, and set up robust security measures to protect against potential threats.

4. Regulatory Compliance

Challenge: The regulatory landscape for blockchain and cryptocurrencies is complex and varies significantly across jurisdictions.

Consultant's Role: Consultants with legal expertise can help businesses navigate the regulatory environment, ensure compliance with local laws, and implement necessary KYC/AML procedures where required.

5. Integration with Existing Systems

Challenge: Many businesses struggle to integrate Ethereum-based solutions with their existing IT infrastructure and business processes.

Consultant's Role: Ethereum consultants can design and implement integration strategies, develop APIs and middleware solutions, and ensure smooth interoperability between blockchain and traditional systems.

6. User Adoption and Experience

Challenge: Ethereum applications can be intimidating for non-technical users, potentially hindering adoption.

Consultant's Role: Consultants can help design user-friendly interfaces, implement simplified onboarding processes, and develop educational materials to facilitate user adoption and improve overall user experience.

7. Cost Management

Challenge: Fluctuating gas prices and the cost of running nodes can make budgeting for Ethereum-based solutions challenging.

Consultant's Role: Ethereum consultants can help businesses optimize their smart contracts for gas efficiency, implement cost-effective transaction strategies, and explore alternative fee models like meta-transactions or gas station networks.

8. Talent Shortage

Challenge: There's a significant shortage of experienced Ethereum developers and blockchain experts in the job market.

Consultant's Role: Consultants can provide immediate expertise, train internal teams, and help businesses develop long-term strategies for building and maintaining blockchain talent.

By addressing these challenges, Ethereum consultants play a crucial role in helping businesses successfully integrate Ethereum-based solutions. Their expertise can significantly reduce implementation time, minimize risks, and maximize the benefits of blockchain technology for organizations across various industries.