Best Washington Blockchain Development Company Rankings

11 Companies - Rankings updated: July 14, 2026

Every agency featured on DesignRush is vetted for expertise and client satisfaction to support your decision-making. Some listings may be sponsored.

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  • ELEK+RIK

    High Voltage Code Since 2010

    High Voltage Code Since 2010

    ELEK+RIK: Web App Development, Mobile App Development for iOS & Android, AI Integration & Development Experts for Long-Term US Projects since 2010...  View ELEK+RIK portfolio  |  View all reviews

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Blockchain
    • VR/AR
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    18 Projects Listed
    View Profile
    4.9 4.9 (19)
    5.0 5.0 (3)

  • Wolfpack Digital

    Powerful Tech Products Start-to-End

    Powerful Tech Products Start-to-End

    Proud 2024 Webby Award winner in the Responsible AI category and winner of the European Technology Awards for App Development in 2021...  View Wolfpack Digital portfolio  |  View all reviews

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • Web Design
    • IoT
    • Show more
    Location
    Kirkland, Washington
    Number of Employees
    50 - 99
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    68 Projects Listed
    View Profile
    4.8 4.8 (7)
    4.9 4.9 (32)

  • Altarey

    Big ambition. Small steps. Great results

    Big ambition. Small steps. Great results

    US based custom software development company with local presence in New York, Seattle and Bogota that has a strong industry focus on FinTech, E-Commerce and Blockchain industries. Besides being a great IT employer, we have been featured in Global Outsourcing List...  View Altarey portfolio

    Top Services:

    • Blockchain
    • Mobile App Development
    • Software Development
    • Business Consulting
    • Show more
    Location
    Bellevue, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed
    View Profile

  • BlueLabel

    A highly recommended mobile app development company

    A highly recommended mobile app development company

    Blue Label Labs is a premier digital product agency, providing a comprehensive array of services to transform businesses in the digital realm. With a strong global presence, we specialize in mobile app development, especially iPhone app development, publishing app development, web design, and product...  View BlueLabel portfolio  |  View all reviews

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Blockchain
    • Wearables
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    100 - 249
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    22 Projects Listed
    View Profile
    5.0 5.0 (16)

  • ICODA

    All-in-One Crypto & Blockchain Marketing Agency

    All-in-One Crypto & Blockchain Marketing Agency

    ICODA is a Digital Agency. We have been working on the crypto industry market since 2017 and have already participated in the launch of 50+ international projects...  View ICODA portfolio  |  View all reviews

    Top Services:

    • Digital Marketing
    • CRO
    • SEO
    • Social Media Marketing
    • Blockchain
    • Show more
    Location
    Bellevue, Washington
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    13 Projects Listed
    View Profile
    5.0 5.0 (5)

  • SlickDigital

    Propel Your Business Forward

    Propel Your Business Forward

    SlickDevs is a premier custom software development company specializing in transforming innovative ideas into robust, scalable applications. With a dedicated team of experts, we provide comprehensive solutions tailored to meet the unique needs of tech startups, mid-market companies, and enterprise...  View SlickDigital portfolio

    Top Services:

    • Mobile App Development
    • Software Development
    • Software Testing
    • Blockchain
    • IoT
    • Show more
    Location
    Bellevue, Washington
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Portfolios Count
    5 Projects Listed
    View Profile

  • AccelOne

    Accelone Advancing What's Possible

    Accelone Advancing What's Possible

    Embark on your digital transformation journey with AccelOne's Software Development delivery model, strategically designed for optimal outcomes. Initiate your digital transformation seamlessly through our comprehensive nearshore and US-based services...  View AccelOne portfolio  |  View all reviews

    Top Services:

    • Software Development
    • Mobile App Development
    • Blockchain
    • UI/UX Design
    • eCommerce Development
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    100 - 249
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed
    View Profile
    4.2 4.2 (5)

  • Soft Does

    Custom Software That Works in the Real World

    Custom Software That Works in the Real World

    SoftDoes builds custom software, AI, and web applications for mid-market companies that need enterprise-grade results without the overhead of an in-house team. U.S.-based leadership. Full IP ownership. No lock-in...  View Soft Does portfolio

    Top Services:

    • Software Development
    • AI Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    50 - 99
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    View Profile

  • Markup Designs

    Mark your Brand Up

    Mark your Brand Up

    Global Leader in Mobile App Development & Digital Engineering...  View all reviews

    Top Services:

    • Mobile App Development
    • Software Development
    • Blockchain
    • AI Development
    • IoT
    • Show more
    Location
    Sammamish, Washington
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.0 4.0 (146)

  • Velosys

    Where Windows Apps Fuel Smart Business Solutions

    Where Windows Apps Fuel Smart Business Solutions

    Velosys is a leading technology consulting firm specializing in Windows App Development, offering tailored software solutions for major clients in financial services, energy, and the Federal Government, including the Department of Defense...  View Velosys profile

    Top Services:

    • Mobile App Development
    Location
    Poulsbo, Washington
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    View Profile

  • Persistent

    See Beyond, Rise Above.

    See Beyond, Rise Above.

    Persistent Systems, a renowned global leader in software product development and technology services. Delve into our innovative offerings to stay ahead in the ever-evolving landscape of technology...  View all reviews

    Top Services:

    • AI Development
    • Software Development
    • Web Development
    • Mobile App Development
    • Blockchain
    • Show more
    Location
    Bellevue, Washington
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
    View Profile
    4.6 4.6 (730)

Blockchain Development Companies in Washington by City

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