The 10 Best Ethereum Firms in Seattle - 2025 Reviews
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Top Ethereum Firms in Seattle

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Blockchain DevelopmentEthereumUnited StatesWashingtonSeattle
8 firms
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All Ethereum Consultants in Seattle

  • Inwizards

    (0 review)

    Inwizards: Leading Software Development Company

    Inwizards Software Technology is a leading US-based software development company that assists businesses to adopt digital transformation and acquire immense success. We specialize in offering a wide range of services, including IT consulting, Custom Software Development, Digital Marketing, SEO, Product Development, Mobile App Development and many more. We aim to deliver the finest on the table infused with innovative technologies. Our presence for more than one and a half-decade with a vast network and expertise is what sets us apart as a website and application development company. Our veteran team of experts handpick software solutions and ensure a long-term competitive edge. Inwizards offer a number of clientele software technologies from WordPress, Flutter, IOT, AngularJs, Blazor Development, Blockchain, PHP, Full Stack Development, ReactJs, NodeJs, Web Development, E-commerce Web Development, Android App Development, iOS App Development, Xamarin Development, etc.
    Looking for work in Ethereum
    Unknown location
    Budget on request
    Worked in Music (+7)
    Speaks English
    51-200 members

  • Cookies Games

    certified-flagverified-flag
    5
    (4 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

  • Avolox

    verified-flag
    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

  • Probey Services

    verified-flag
    4.8
    (58 reviews)

    Building Websites, Generate Leads!

    Highly recommended
    Top awarded
    Probey Services is a premier technology and digital marketing company, providing cutting-edge solutions across the USA, UK, Australia, UAE, and India. Established in 2016, we have grown into a full-service provider with a team of 250+ skilled professionals, delivering tailored strategies that empower businesses in an evolving digital landscape. Our Expertise Probey Services has a strong foundation in technology, design, and marketing, we offer a comprehensive suite of services, including: Website Design & Website Development, e-commerce websites, Shopify, WordPress Website, redesign , and business websites. Software Development & IT Services Scalable software solutions, IT consulting, and enterprise technology. Mobile App Development Native and cross-platform apps for iOS & Android Apps. Digital Marketing & Performance Marketing SEO, SEM, PPC, social media marketing , and data-driven performance campaigns. Branding & Brand Building Strategic brand identity development and market positioning. Graphic Design, Logo Design & Online Reputation Management (ORM) Engaging visuals and reputation management to enhance brand trust. Why Choose Probey Services? Comprehensive Solutions: From technology development to digital marketing, we provide a 360-degree approach to business growth. Client-Centric Approach: We focus on collaboration, innovation, and transparency, ensuring solutions align with business objectives. Proven Industry Expertise: With 10 years of experience across diverse industries, we deliver measurable results and long-term success. Global Presence: Serving businesses across major international markets with customized solutions in mutiple industries. At Probey Services, we go beyond delivering services, we work as an extended team, with an ecosystems that drive business growth, enhance customer engagement, and maximize ROI. Our commitment to excellence and innovation makes us the trusted partner in your digital journey. Awards & Recognitions: Excellence in Digital Transformation (2023) Top Emerging Web Development Firm (2022) Best Digital Marketing Strategy (2023) Android App Development Company - Designrush (2024) Let’s Grow Together! Contact us today to discover how Probey can transform your digital presence. 📞 +1 20299 57212 | +44 75371 88459 | +91 97739 01990 | +91 120 313 2126 ✉️ service@probeyservices.com 🌐 www.probeyservices.com
    Looking for work in Ethereum
    Located in New York, United States (+4)
    From €3,000 for Ethereum
    Worked in Clothing & Accessories (+16)
    Speaks English, Dutch, Belgium(+5)
    501-1000 members

  • WebOrigo

    verified-flag
    5
    (5 reviews)

    Comprehensive software development from planning to maintenance.

    We are an international software development company that develops solutions in 4 different segments of cloud automation and has sales partners or subsidiaries in 12 countries in Europe. We use a wide variety of technologies to accommodate our customers' business needs, and we have a worldwide team of experts in each technology and every field to ensure the highest standard of possible services. What we mainly propose to our customers through our wide variety of services, is a strong solid standing in the digital world that we live in nowadays, as well as their operations running as smoothly as possible, maximizing their potential for success.
    Looking for work in Ethereum
    Located in Budapest, Hungary (+3)
    From €1,000 for Ethereum
    Worked in Political Organization (+10)
    Speaks English, German(+1)
    11-50 members

  • Eiysys Inc

    certified-flag
    (0 review)
    EIYSYS is committed to provide best blockchain consultation services in India. We offer to create the best blockchain solutions enterprises looking to scale their online operations.
    Looking for work in Ethereum
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members

  • Magicmind Technologies Limited

    verified-flag
    (0 review)

    Empowering Solutions & Services

    Magicminds: Empowering Solutions & Services – Bridging the Gap with Excellence. Headquartered in the USA with global footprints spanning across India and Australia, Magicminds stands as a frontrunner in mobile app development, custom software solutions and digital marketing solutions & services. Our dynamic and dedicated team of developers & marketers collaboratively work to transform your vision into tangible success. With a passionate team excelling in mobile & web apps, digital marketing services, and the avant-garde world of AI & Blockchain, we've become the trusted ally for startups & global enterprises. Partner with us and centralize cutting-edge digital prowess in your business, unlocking new horizons of innovation. With a passionate team excelling in mobile & web apps, and the avant-garde world of AI & Blockchain, we've become the trusted ally for startups & global enterprises. We have expertise in– - Custom Software Development - Mobile App Development - Web App Development - AI Development - Blockchain Development - Staff Augmentation - Digital Marketing Partner with us and centralize cutting-edge digital prowess in your business, unlocking new horizons of innovation. Together, let's shape the digital future!
    Looking for work in Ethereum
    Located in Presidency Division, India
    From €1,000 for Ethereum
    Worked in Banking & Financials (+12)
    Speaks English
    201-500 members

  • Genuity B2B

    certified-flag
    (0 review)
    Take a look at our Home page. Genuity B2B is a full service tax, accounting and business consulting firm located in Seattle, WA.
    Looking for work in Ethereum
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members

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Customer reviews about Ethereum Firms in Seattle

E-commerce ManagerRetail | Seattle, WA, US

Partnering with this Ethereum firm in Seattle has been a game-changer for our e-commerce platform. Implementing their innovative Ethereum solutions, from smart contracts to secured transactions, has enhanced both our efficiency and consumer trust. Fantastic service and expertise!

Tech Startup CEOTechnology | Seattle, WA, US

As a startup founder, working with this Ethereum Firm in Seattle revolutionized our blockchain strategy. Their deep expertise in Ethereum technology and personalized consultation helped us integrate smart contracts seamlessly into our operations. Highly recommend their knowledgeable and professional approach!

Financial DirectorFinance | Seattle, WA, US

The guidance we received from the Ethereum consultants in Seattle was first-rate. They provided clear, actionable advice that has substantially improved our cryptocurrency transactions and security. Their in-depth understanding of Ethereum applications is truly impressive.

Insights from a Seattle Ethereum Expert: Excellence in Blockchain Innovation

Award-Winning Achievements in the Ethereum Space

In Seattle's competitive Ethereum landscape, local firms are consistently recognized for their groundbreaking work. These firms are at the forefront of blockchain technology, receiving awards that underscore their commitment to innovation and excellence. This recognition propels them to set new standards in the industry, making Seattle a hub for pioneering Ethereum projects.

Local Clients and Success Stories

Seattle's Ethereum firms have collaborated with a diverse range of clients, from startups aspiring to revolutionize industries, to established companies looking to integrate Ethereum into their operations. These collaborations often result in enhanced security, improved transparency, and increased efficiency, demonstrating the firms' ability to deliver robust blockchain solutions stamped with client satisfaction.

Strategies for Managing Your Ethereum Project Budget

When engaging with an Ethereum firm, aligning your budget with project objectives is crucial. Here are some valuable tips:

Define Clear Objectives

Begin by defining what you want to achieve with your Ethereum project. Clear objectives help you communicate your needs effectively, ensuring that the services you pay for directly contribute to your goals.

Research Average Costs

Understanding the average market costs for Ethereum-related services in Seattle can provide a baseline for budget discussions. Costs can vary based on the project's scope, complexity, and the specific expertise required.

Consider Long-Term Value

Investing in Ethereum technology can offer significant long-term benefits, including enhanced data integrity and streamlined processes. When setting your budget, consider how your investment will deliver value over time, beyond the initial deployment phase.

Engaging with a local Ethereum expert can transform this complex technology into a strategic advantage for your business. By leveraging Seattle’s concentrated pool of blockchain expertise, you can effectively navigate the dynamic and ever-evolving landscape of Ethereum technology.

Karim Saadoune
Written by Karim Saadoune Sortlist Expert in SeattleLast updated on the 24-03-2025

Latest Projects Submitted to Ethereum Consultants in Seattle

Tokenization of Assets for Investment PlatformInvestment Platform Startup>60,000€ | 10-2024Startup in the investment sector required the services of an Ethereum consultant to facilitate asset tokenization to enable fractional ownership for investors.
Blockchain Integration for Financial TransactionsLeading Fintech Company>100,000€ | 10-2024A prominent fintech company sought an Ethereum consultant to integrate blockchain technology into their financial transaction system to enhance security and transparency.
Supply Chain System Improvement Using EthereumGlobal Manufacturing Corporation>80,000€ | 10-2024A large manufacturing corporation needed an Ethereum consultant to develop a decentralized application to improve transparency and efficiency in its supply chain.
Smart Contract Development for Real EstateReal Estate Investment Firm>70,000€ | 10-2024An experienced Ethereum firm was required by a real estate investment firm to develop and implement smart contracts to streamline property sales and management.
Decentralized Application for Secure VotingNational Electoral Commission>50,000€ | 10-2024A national electoral body was looking for an Ethereum firm to design and implement a secure and transparent decentralized voting application.

Discover what other have done.

Get inspired by what our firms have done for other companies.

Krypto Flip - Decentralized Mult-Chain Game

Krypto Flip - Decentralized Mult-Chain Game

Masternoded Staking Dapp with Dynamic Pools

Masternoded Staking Dapp with Dynamic Pools

Virago NFT

Virago NFT

Blockchain DevelopmentCloud ConsultingCyber SecurityWebsite AdministrationBelgium (FR)Belgium (NL)FranceGermanyItalyNetherlandsSpainSwitzerlandUnited Arab EmiratesUnited KingdomUnited States

Frequently Asked Questions.

Seattle businesses looking to integrate Ethereum-based solutions face several key challenges, but local consultants can provide valuable assistance in navigating these complexities. Here are the main challenges and how Ethereum consultants in Seattle can help address them:

  1. Technical Complexity

    Ethereum and blockchain technology can be overwhelming for businesses without specialized expertise.

    How consultants help: Seattle-based Ethereum consultants can provide technical guidance, offer training programs, and assist in developing a roadmap for implementation tailored to the unique needs of local businesses.

  2. Scalability and Performance

    Ethereum's current infrastructure may struggle with high transaction volumes, which can be a concern for Seattle's growing tech sector.

    How consultants help: Local experts can recommend and implement Layer 2 solutions or sidechains optimized for Seattle's business ecosystem, ensuring better scalability and performance.

  3. Regulatory Compliance

    Navigating the evolving regulatory landscape around cryptocurrencies and blockchain technology can be challenging, especially with Washington state's specific regulations.

    How consultants help: Seattle-based Ethereum consultants stay up-to-date with local and federal regulations, helping businesses ensure compliance while leveraging blockchain technology.

  4. Integration with Existing Systems

    Many Seattle businesses have established IT infrastructures that may not be easily compatible with Ethereum-based solutions.

    How consultants help: Local consultants can develop custom integration strategies, leveraging their knowledge of common systems used in Seattle's tech industry to ensure smooth interoperability.

  5. Cost Management

    Implementing Ethereum solutions can involve significant upfront costs and ongoing expenses related to gas fees and infrastructure maintenance.

    How consultants help: Ethereum consultants in Seattle can provide cost-benefit analyses, recommend cost-effective solutions, and help businesses optimize their use of Ethereum to minimize expenses.

  6. Security Concerns

    With Seattle's strong focus on cybersecurity, businesses need robust security measures for their Ethereum implementations.

    How consultants help: Local consultants can conduct security audits, implement best practices for smart contract development, and set up secure key management systems tailored to Seattle's cybersecurity standards.

  7. Talent Acquisition and Training

    Finding skilled Ethereum developers and blockchain experts can be challenging, even in Seattle's tech-savvy job market.

    How consultants help: Ethereum consultants can provide training for existing staff, assist in hiring processes, and offer ongoing support to build internal expertise within Seattle companies.

By partnering with local Ethereum consultants, Seattle businesses can leverage specialized knowledge and experience to overcome these challenges. These experts understand the unique landscape of the city's tech industry and can provide tailored solutions that align with local business needs, regulations, and market trends. As Seattle continues to establish itself as a hub for blockchain innovation, the role of Ethereum consultants in facilitating successful integrations becomes increasingly crucial for businesses looking to stay competitive in this rapidly evolving technological landscape.

Ethereum firms in Seattle are rapidly evolving their services to meet the surging demand for Decentralized Finance (DeFi) applications. As a hub for technology and innovation, Seattle's Ethereum ecosystem is at the forefront of this adaptation. Here's how local firms are transforming their offerings:

1. Specialized DeFi Consulting Services

Many Ethereum consultants in Seattle now offer dedicated DeFi advisory services. These experts help businesses understand the complexities of DeFi protocols, assess risks, and identify opportunities within the ecosystem.

2. Smart Contract Development and Auditing

With the increasing complexity of DeFi applications, Seattle-based Ethereum firms are enhancing their smart contract development and auditing capabilities. They're focusing on creating secure, efficient, and interoperable smart contracts that can withstand the rigorous demands of DeFi platforms.

3. Integration of Layer 2 Solutions

To address scalability issues, local Ethereum consultants are increasingly incorporating Layer 2 solutions into their service offerings. This allows for faster and more cost-effective transactions, which is crucial for DeFi applications.

4. DeFi-specific Security Services

Given the high-stakes nature of DeFi, Seattle Ethereum firms are bolstering their security services. This includes specialized audits for DeFi protocols, real-time monitoring solutions, and incident response planning tailored to DeFi platforms.

5. Tokenomics and Governance Design

As DeFi projects often involve complex token economies and governance structures, local firms are expanding their expertise in tokenomics and decentralized governance models. They're helping clients design sustainable and fair economic systems for their DeFi applications.

6. Regulatory Compliance Guidance

With the evolving regulatory landscape around DeFi, Seattle-based Ethereum consultants are offering specialized compliance services. They're helping clients navigate the complex legal and regulatory requirements specific to DeFi projects.

7. Cross-chain Development

Recognizing the growing importance of interoperability in DeFi, local firms are expanding their capabilities in cross-chain development. This allows DeFi applications to operate across multiple blockchain networks, increasing their reach and functionality.

8. User Experience (UX) Design for DeFi

To make DeFi more accessible to mainstream users, Seattle Ethereum firms are placing a greater emphasis on UX design tailored for DeFi applications. This involves creating intuitive interfaces that simplify complex DeFi concepts and operations.

9. DeFi Analytics and Reporting Tools

Local consultants are developing sophisticated analytics and reporting tools specific to DeFi. These tools help clients track performance metrics, analyze user behavior, and make data-driven decisions in the fast-paced DeFi landscape.

10. Educational Initiatives

Many Seattle-based Ethereum firms are launching educational programs to help clients and the broader community understand DeFi. This includes workshops, webinars, and customized training sessions on DeFi concepts, risks, and opportunities.

By adapting their services in these ways, Ethereum firms in Seattle are positioning themselves as leaders in the DeFi space. They're not only meeting the current demand but also anticipating future trends and challenges in this rapidly evolving sector of blockchain technology.

Ethereum's potential in enterprise settings is rapidly expanding, with Seattle-based firms at the forefront of implementing innovative solutions. Here are some of the most promising use cases for Ethereum in enterprise settings and how local firms are helping businesses adopt them:

1. Supply Chain Management

Ethereum's smart contracts are revolutionizing supply chain transparency and efficiency. Seattle firms are helping enterprises implement blockchain-based systems that:

  • Track product provenance from source to consumer
  • Automate payments and settlements between suppliers
  • Reduce fraud and counterfeiting
2. Decentralized Finance (DeFi) for Enterprises

Seattle's Ethereum consultants are assisting businesses in leveraging DeFi protocols for:

  • Efficient treasury management
  • Streamlined cross-border payments
  • Access to new financial instruments and liquidity pools
3. Tokenization of Assets

Local Ethereum firms are helping companies tokenize various assets, including:

  • Real estate
  • Intellectual property
  • Carbon credits

This enables fractional ownership, increased liquidity, and new investment opportunities.

4. Identity and Access Management

Seattle-based consultants are implementing Ethereum-based solutions for:

  • Secure, decentralized identity verification
  • Single sign-on (SSO) across multiple platforms
  • Privacy-preserving credential management
5. Decentralized Autonomous Organizations (DAOs)

Ethereum firms in Seattle are guiding businesses in creating DAOs for:

  • Decentralized governance of projects or ventures
  • Collaborative decision-making among stakeholders
  • Transparent fund management and allocation

To implement these solutions, Seattle Ethereum firms and consultants typically follow a structured approach:

  1. Assessment: Analyzing the client's business needs and identifying suitable Ethereum use cases.
  2. Strategy Development: Creating a roadmap for Ethereum integration, considering scalability and interoperability.
  3. Proof of Concept: Developing small-scale demonstrations to validate the proposed solutions.
  4. Development and Integration: Building custom smart contracts and integrating them with existing systems.
  5. Testing and Security Audits: Rigorous testing and third-party audits to ensure security and compliance.
  6. Deployment and Monitoring: Launching the solution and providing ongoing support and optimization.

Seattle's Ethereum ecosystem benefits from the city's strong tech talent pool and proximity to major enterprises like Amazon and Microsoft, which are also exploring blockchain technologies. This creates a fertile ground for innovation and collaboration in enterprise Ethereum solutions.

As of 2025, the adoption of Ethereum in enterprise settings is accelerating, with Seattle firms playing a crucial role in bridging the gap between blockchain technology and traditional business operations. By leveraging Ethereum's capabilities, these firms are helping businesses increase efficiency, reduce costs, and create new value propositions in an increasingly decentralized digital economy.