The 10 Best Web3 Development Firms in Madrid - 2025 Reviews

Top Web3 Development Firms in Madrid

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Unlock the potential of decentralized technologies with Madrid's cutting-edge Web3 Development firms. Our curated list showcases top-tier companies at the forefront of blockchain, smart contracts, and decentralized applications. Explore each Web3 Development company's portfolio and client testimonials to gauge their expertise in this revolutionary field. Whether you're launching a cryptocurrency, building a DeFi platform, or integrating blockchain into your business, you'll find specialists ready to bring your vision to life. Post your project requirements on Sortlist, and let Madrid's innovative Web3 Development companies reach out with tailored solutions to propel your venture into the decentralized future.

Top Featured Web3 Development Firms

All Web3 Development Companies in Madrid

  • 5
    (3 reviews)

    Impulsamos tu transición digital con soluciones tecnológicas de calidad. Software / MVPs / Ecommerce

    Recommended
    En Synkross, impulsamos tu transición digital con soluciones tecnológicas a medida. Nos especializamos en el desarrollo de software de calidad, incluyendo aplicaciones web, aplicaciones móviles, páginas web y tiendas online. Todas nuestras soluciones son rápidas, escalables y seguras, con un enfoque ágil y cercano que garantiza los mejores resultados. Nuestro equipo combina experiencia, pasión e innovación para acompañarte en todo el proceso: desde la idea inicial hasta la entrega final. Además, ofrecemos soporte continuo para garantizar que tu proyecto siempre esté en su mejor versión. ¿Necesitas lanzar un MVP, mantener tu proyecto o reforzar tu equipo de desarrollo? En Synkross, estamos listos para convertir tus ideas en realidad y ayudarte a alcanzar tus objetivos digitales.
    Looking for work in Web3 Development
    Located in Madrid, Spain
    From €1,000 for Web3 Development
    Worked in Retail (+1)
    Speaks English, Spanish
    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 Web3 Development
    Located in A Coruña, Spain
    From €10,000 for Web3 Development
    Worked in Software & Computer Services (+3)
    Speaks English, Arabic(+5)
    11-50 members
  • 4.9
    (74 reviews)

    "Construyendo marcas para un mundo digital"

    Top awarded
    Uno de los objetivos principales de una agencia de marketing y publicidad es ofrecer servicios de asesoramiento, pero sobre todo funcionar como un apoyo a empresas, emprendedores e incluso organizaciones que necesiten una gestión correcta de su marca. Por este motivo, en Robler Agency, profesionales en Marketing y publicidad, nos enfocamos en cumplir con cada uno de los objetivos de este tipo de agencias con un enfoque totalmente diferente, brindando a su vez nuestra alta experiencia realizando eventos corporativos y multinacionales. Nuestro equipo de trabajo está integrado por profesionales de diferentes países que harán que tus deseos se ajusten a las diferentes culturas existentes en el mundo. Es esta diversidad lo que nos caracteriza como empresa porque nos adaptamos a cualquier requerimiento de nuestros clientes. Pensamos, creamos, diseñamos y hacemos realidad cada una de tus ideas para maximizar el posicionamiento de tu empresa, emprendimiento u organización. El asesoramiento consiste en un estudio que se le hace a cada proyecto en particular, no generalizamos nuestros métodos porque nos adaptamos al estilo de cada empresa. Profesionales en el mundo digital que te ayudan a conectar con verdaderos clientes potenciales en el entorno online. No solo ofrecemos asesoramiento, sino que nos convertimos en parte de tu equipo. Un buen equipo obtiene resultados increíbles.
    Looking for work in Web3 Development
    Located in Madrid, Spain (+45)
    From €400 for Web3 Development
    Worked in Education (+45)
    Speaks English, Catalan(+2)
    11-50 members
  • 5
    (2 reviews)

    Yeeply te ayuda a contratar a los mejores profesionales del sector tech a distancia.

    Top awarded
    ¡Encuentra al profesional ideal para tu proyecto! Software, web, aplicaciones, Inteligencia Artificial, RPA, EPM ✔️ ¡Confía en Yeeply!
    1 work in Web3 Development
    Located in Madrid, Spain (+1)
    From €1,000 for Web3 Development
    Worked in Internet (+11)
    Speaks English, French(+2)
    11-50 members
  • 5
    (8 reviews)

    🇪🇦 Convertimos datos en Conocimiento enTurning data into knowledge 🇩🇪 Daten in Wissen verwandeln

    Top awarded
    📊 Somos Databay Solutions , tu partner tecnológico de confianza especializado en ayudar a las organizaciones a aprovechar al máximo sus datos ofreciendo soluciones personalizadas y servicios de análisis , inteligencia artificial y visualización de datos . 🎯 Nuestro objetivo es impulsar la toma de decisiones informadas y el crecimiento empresarial a través de la utilización estratégica de la información. 👉 Transformamos consistentemente datos brutos en conocimiento perspicaz, construyendo desde aplicaciones o herramientas de datos hasta sistemas de Big Data, BI e IA. Nuestra sede se encuentra en España, sirviendo a empresas europeas con una perspectiva global . Hacemos realidad las visiones de nuestros clientes. Nuestro equipo multidisciplinario ofrece una amplia gama de capacidades internas : ✅Gestión de datos ✅ Servicios AWS y GCP ✅ Servicios de ciberseguridad ✅ Ingeniería de red ✅ Desarrollo de software y aplicaciones. Todo con un firme enfoque en la experiencia del usuario y el diseño corporativo. 📲 Construimos prototipos de alta calidad como la base de nuestros proyectos, demostrándose como una excelente herramienta para demostrar el valor del producto antes del escalado comercial y el inicio del desarrollo. ✔️ Empleamos las últimas tecnologías, aprovechando al máximo nuestra experiencia en Big Data e IA. Nuestro equipo es competente en la creación de soluciones que funcionan sin problemas en varias plataformas y para todos los stack de datos disponibles, centrándose principalmente en AWS, GCP, aunque hemos desarrollado soluciones relacionadas con Azure también. 📈 Nuestras herramientas ayudan a día de hoy a múltiples empresas a crear ventajas competitivas aprovechando el potencial de la toma de decisiones basadas en datos. Confía en Databay Solutions, tu socio para navegar el complejo panorama de datos y llevar tu negocio a nuevas alturas. 🎯 ¿ Estás preparado para impactar en tu negocio y convertir en realidad tu visión de futuro? Contáctanos y nuestro equipo estudiará la mejor manera con la que podemos ayudar a tu negocio . 🖥️ https://databay.solutions/ ✉️ info@databay.solutions 📞 +34 606 21 91 11 _____________________________________________ 📊 At Databay Solutions , we focus on helping organisations make the most of their data by providing customised solutions and services in analytics , artificial intelligence and data visualisation . 🎯 Our goal is to drive informed decision-making and business growth through the strategic use of information . 👉 We consistently transform raw data into insightful knowledge, building from data applications or tools to Big Data, BI and AI systems. We are based in Spain, serving companies across Europe with a global perspective . We make our clients' visions a reality. Our multidisciplinary team offers a wide range of in-house capabilities : ✅ From data management ✅ AWS and GCP services ✅ Cybersecurity services ✅ Network engineering to software and application development. All with a firm focus on user experience and corporate design. 📲 We build high-quality prototypes as the foundation of our projects, proving an excellent tool for demonstrating product value prior to commercial scale-up and early development. ✔️ We employ the latest technologies, making the most of our expertise in Big Data and AI. Our team is proficient in creating solutions that work seamlessly across multiple platforms and for all available data stacks, focusing primarily on AWS, and GCP, although we have developed solutions related to Azure as well. 📈 Today, our tools help many companies to create competitive advantages by harnessing the potential of data-driven decision-making. Trust Databay Solutions, your partner to navigate the complex data landscape and take your business to new heights. 📩 Contact us and our team will study the best way we can help your business . 🖥️ https://databay.solutions/ ✉️ info@databay.solutions 📞 +34 606 21 91 11
    Looking for work in Web3 Development
    Located in Benalmádena, Spain (+1)
    From €1,000 for Web3 Development
    Worked in Education (+17)
    Speaks English, German(+1)
    11-50 members
  • 5
    (3 reviews)

    Your partner in the digital environment, from ideation and opportunity searching to implementation.

    Occam is a Spanish digital agency specialized in digital transformation through inbound marketing, audiovisual production and software development. Our goal is to use creativity and technology in order to turn your project into a success. We assist Marketing and Human Resources departments, helping your business grow as we make Digital Storytelling, part of your DNA. Show. Don´t tell. OUR EXPERTISE: GRAPHIC AND AUDIOVISUAL PRODUCTION: End to end creations: from the idea to the script and from there to the final product. Discover our range of formats: Corporate video, animated explainers, video events, webinars, motion graphics… We also offer graphic communication services (corporate identity, graphic and editorial design). SOFTWARE DEVELOPMENT: Mobile applications, web pages, backoffices, serious games … It is not only about programming, but also analyzing the needs of the customer, creating a unique design and user experience (UX). INBOUND MARKETING: SEO / SEM techniques, content creation for blogs and social networks... plus INBOUND methodologies at full power. We are Hubspot's Platinum Partner. At Occam we put all the tools at your disposal to develop your online campaigns.
    Looking for work in Web3 Development
    Located in Fuenlabrada, Spain
    From €1,000 for Web3 Development
    Worked in Software & Computer Services (+8)
    Speaks Spanish, English
    11-50 members
  • 5
    (1 review)

    ¡Lo que necesitas!

    Nacimos para ayudar a las empresas a mantener el paso con las nuevas tecnologías sin tener enormes gastos y sin sacrificar la calidad. Nuestro objetivo es que nuestros clientes alcancen o sobrepasen los objetivos aunque se trata de aumentar las ventas, la cartera de clientes o los productos y/o servicios que presten. Nuestros diseñadores trabajaran para que su producto, servicio o página web sean atractivas para el cliente. Analizamos su estado actual, implementamos procesos para aumentar la visibilidad y seguiremos los cambios. Implementamos normas para aumentar la seguridad en las redes sociales, páginas web y otros medios de publicidad.
    Looking for work in Web3 Development
    Located in Cádiz, Spain (+1)
    From €50 for Web3 Development
    Works in multiple industries
    Speaks English, Arabic(+31)
    11-50 members
  • (0 review)

    Accelerate, Business, Growth

    We are SELVA. A place where life collides, blends, learns, and evolves. A place where growth equals survival. And that is exactly what we are and how we work. A diverse group of communication and digital pros from all over the world. We gather and merge our distinct skills and points of view to create end-to-end technology, media and content solutions.From brand love to pure performance. We assemble custom, dedicated and agile teams to solve digital challenges. All with one clear goal: Accelerate business growth. As exclusive partners of the leading global social media platforms we function at the intersect between digital platforms and advertisers. We think globally and execute locally, defining audience-centric and measurable objectives to reach our goals. Welcome to SELVA by Aleph. Welcome to the jungle.
    Looking for work in Web3 Development
    Located in Madrid, Spain
    From €1,000 for Web3 Development
    Worked in Beverage
    Speaks English, Spanish
    51-200 members
  • Harris Sliwoski can take on the tough matters because we’ve been there before—and we’ve gotten the job done.
    Looking for work in Web3 Development
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members

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Insights from Our Expert: Web3 Development Firms in Madrid

Madrid, a vibrant hub for technological innovation, is rapidly carving a niche in the burgeoning field of Web3 development. With its strategic location and a dynamic tech ecosystem, Madrid has become a fertile ground for businesses ready to dive into the decentralized web.

Accolades and Recognitions

Local Web3 development firms in Madrid have not only demonstrated expertise in blockchain technology but have also earned significant recognition within the industry. Although names are withheld, it's worthy to note that several firms have received accolades for their innovative solutions and contributions to the Web3 space. Awards from esteemed technology institutions highlight the city's global competitiveness and commitment to excellence in this advanced sector.

Prominent Clients and Successful Partnerships

Firms specializing in Web3 development in Madrid have collaborated with a range of high-profile clients, including startups aspiring to disrupt traditional markets and established companies seeking blockchain integration. These collaborations often lead to groundbreaking projects that push the boundaries of digital transactions and decentralized applications, demonstrating Madrid's capability to handle high-stake projects in the Web3 realm.

Budgeting for Web3 Development

Budget considerations are crucial when venturing into Web3 development. Given the complexity and novelty of blockchain technology, the investment can vary significantly based on the project's scope and the expertise of the firm. Here are some general pointers:

  • Startups: Emerging companies might consider partnership models or equity-sharing arrangements with development firms. This can mitigate upfront costs while fostering long-term collaboration.
  • Midsized Businesses: For more established businesses with specific Web3 needs, project-based pricing ranging from moderate to high can be expected. It’s important to clarify the deliverables and long-term support in your contracts.
  • Large Enterprises: Companies at this scale may require extensive, customized Web3 solutions, involving higher costs but yielding transformative business outcomes. Investments here could scale up to several hundred thousand euros depending on application complexity and integration depth.

When setting your Web3 development budget, it’s essential to consider both the initial deployment costs and ongoing expenses for maintenance and updates. Engaging with Madrid's top firms may require a substantial budget but often results in robust and scalable solutions tailored to your strategic goals.

Madrid's prowess in Web3 development is clear, with established firms and innovative projects lining its portfolio. The city is an excellent place for enterprises aiming to harness the power of decentralization and blockchain technology. As a local expert with Sortlist, I encourage businesses to explore Madrid's diverse offerings and leverage the city's technical expertise for their Web3 initiatives.

Clementina Mata
Written by Clementina Mata Sortlist Expert in MadridLast updated on the 20-05-2025

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Frequently Asked Questions.


Web3 development in Madrid, as in many other parts of the world, faces several significant regulatory challenges. As the blockchain and cryptocurrency landscape evolves rapidly, companies must navigate a complex and sometimes uncertain regulatory environment. Here are some of the key challenges and strategies for addressing them:

1. Legal Uncertainty and Regulatory Gaps

The rapid pace of Web3 innovation often outstrips existing regulations. In Spain, including Madrid, there's still a lack of comprehensive legislation specifically tailored to Web3 technologies.

2. Compliance with EU Regulations

As part of the European Union, Madrid-based Web3 companies must comply with EU-wide regulations such as:

  • The Markets in Crypto-Assets (MiCA) regulation
  • The Transfer of Funds Regulation (TFR)
  • General Data Protection Regulation (GDPR)
3. Anti-Money Laundering (AML) and Know Your Customer (KYC) Requirements

Web3 companies in Madrid must implement robust AML and KYC procedures to prevent financial crimes and comply with both Spanish and EU regulations.

4. Tax Implications

The taxation of cryptocurrencies and other digital assets remains a complex issue. Companies must navigate Spanish tax laws and stay updated on any changes specific to Web3 activities.

5. Consumer Protection

Ensuring user safety and protecting consumer rights in decentralized systems poses unique challenges that Web3 companies must address.

How Companies Navigate These Issues:
  1. Legal Expertise: Partnering with law firms specializing in blockchain and cryptocurrency law is crucial. Many Madrid-based legal practices are now developing expertise in this area.
  2. Regulatory Engagement: Proactively engaging with regulators, such as the Spanish National Securities Market Commission (CNMV) and the Bank of Spain, can help companies stay compliant and contribute to shaping future regulations.
  3. Industry Associations: Joining Web3 and blockchain associations, such as Alastria Blockchain Ecosystem or the Spanish Blockchain Association, can provide valuable resources and collective representation in regulatory discussions.
  4. Compliance Technology: Implementing advanced compliance tools and protocols to automate and streamline regulatory adherence, especially for AML and KYC processes.
  5. Transparency: Maintaining clear communication with users about regulatory compliance and potential risks associated with Web3 technologies.
  6. Sandbox Participation: Engaging in regulatory sandboxes, like the one established by the Spanish government for fintech innovations, can provide a controlled environment to test Web3 solutions under regulatory supervision.

As the Web3 ecosystem in Madrid continues to grow, companies that prioritize regulatory compliance and actively participate in shaping the regulatory landscape will be better positioned for long-term success. It's crucial for Web3 development firms to stay agile and adaptable, as the regulatory environment is likely to evolve significantly in the coming years.



Web3 development firms in Madrid are increasingly aware of the environmental concerns associated with certain blockchain technologies, particularly the high energy consumption of proof-of-work (PoW) consensus mechanisms. To address these issues, many companies are taking proactive steps:

1. Adoption of Eco-Friendly Consensus Mechanisms:
  • Shifting towards proof-of-stake (PoS) and other energy-efficient consensus algorithms
  • Supporting and developing projects on environmentally friendly blockchains like Algorand, Cardano, or Polkadot
2. Green Energy Solutions:
  • Partnering with renewable energy providers to power their operations
  • Encouraging the use of solar or wind energy for mining and node operations
3. Carbon Offsetting:
  • Implementing carbon offset programs to neutralize their carbon footprint
  • Supporting reforestation and other environmental initiatives in Spain and globally
4. Optimizing Code Efficiency:
  • Developing more efficient smart contracts and dApps to reduce computational load
  • Implementing layer-2 solutions to minimize on-chain transactions
5. Research and Innovation:
  • Investing in R&D for more sustainable blockchain technologies
  • Collaborating with Madrid's universities and tech hubs to develop eco-friendly Web3 solutions
6. Client Education:
  • Raising awareness about the environmental impact of different blockchain technologies
  • Guiding clients towards more sustainable options for their Web3 projects

For instance, a recent study by the Universidad Politécnica de Madrid found that Web3 firms adopting PoS mechanisms reduced their energy consumption by up to 99% compared to PoW systems. This demonstrates the significant impact that conscious technological choices can have on environmental sustainability in the blockchain space.

As Madrid positions itself as a hub for sustainable technology, Web3 development firms in the city are at the forefront of creating environmentally responsible blockchain solutions. By addressing these concerns head-on, they are not only contributing to a greener future but also aligning with Spain's commitment to reducing carbon emissions and meeting EU climate targets.



The landscape of Web3 development in Madrid has undergone significant transformations over the past few years, reflecting global trends while also showcasing unique local developments. Here are the most notable changes:

  1. Increased adoption and investment: Madrid has seen a surge in Web3 projects and investments. The city has become a hub for blockchain and cryptocurrency startups, with initiatives like the Madrid Future program supporting innovative tech companies, including those in the Web3 space.
  2. Regulatory clarity: Spain, including Madrid, has made strides in providing clearer regulations for cryptocurrencies and blockchain technologies. In 2021, the Spanish government passed a law requiring cryptocurrency holders to declare their assets, bringing more transparency to the sector.
  3. DeFi and NFT boom: Decentralized Finance (DeFi) and Non-Fungible Tokens (NFTs) have gained significant traction in Madrid. Local artists and creators are increasingly using NFTs to monetize their work, while DeFi platforms are attracting both developers and users.
  4. Focus on sustainability: With growing concerns about the environmental impact of blockchain technologies, Madrid-based Web3 companies are increasingly focusing on developing and adopting more energy-efficient consensus mechanisms and eco-friendly blockchain solutions.
  5. Integration with traditional industries: Web3 technologies are being integrated into traditional sectors in Madrid, such as finance, real estate, and supply chain management. This trend is driving demand for Web3 developers with expertise in these specific industries.
  6. Education and talent development: Universities and coding bootcamps in Madrid have introduced Web3 development courses to meet the growing demand for skilled professionals. For instance, the Universidad Politécnica de Madrid now offers blockchain-related programs.
  7. Rise of DAOs: Decentralized Autonomous Organizations (DAOs) have gained popularity in Madrid's Web3 scene, with several projects leveraging this model for community-driven decision-making and resource allocation.
  8. Improved user experience: Web3 development firms in Madrid are focusing on creating more user-friendly interfaces and seamless experiences to bridge the gap between Web2 and Web3, making blockchain applications more accessible to the average user.
  9. Cross-chain interoperability: There's an increasing emphasis on developing solutions that work across different blockchain networks, reflecting a move towards a more interconnected Web3 ecosystem.
  10. Government initiatives: The Madrid city government has shown interest in blockchain technology, exploring its potential for improving public services and transparency. This has created new opportunities for Web3 developers to work on civic-oriented projects.

These changes have significantly impacted the Web3 development landscape in Madrid, creating a vibrant ecosystem that combines global trends with local innovation. Web3 development firms in the city are at the forefront of these changes, constantly adapting their skills and services to meet the evolving demands of this dynamic field.