Best IT Outsourcing Companies in Washington

3 Companies - Rankings updated: September 08, 2026

DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.

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  • Jelvix

    GLOBAL TECH PARTNER FOR DIGITAL TRANSFORMATION AND SOFTWARE INNOVATION

    Jelvix is a global tech partner with 15+ years of experience, empowering industry leaders and startups. With 450+ IT experts, we drive digital transformation across Europe, North America, Nordics, and Southeast Asia...

    Top Services:

    • Software Development
    • Mobile App Development
    • VR/AR
    • AI Development
    • IoT
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    500 - 999
    Average Hourly Rate
    $70/hr
    Portfolios Count
    10 Projects Listed

    Jelvix Services

    • Software Development
    • Mobile App Development
    • VR/AR
    • AI Development
    • IoT
    • Software Testing
    • Big Data Analytics
    • IT Services
    • UI/UX Design
    • CRM Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • IKEA
    • Auchan
    • Zeiss
    • Stihl
    • Canon
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Grant Thornton

    IT, Business, BPO, Audit, Tax and Advisory are just the beginning.

    Grant Thornton LLP (US) is an IT, project management, audit, tax, AgTech, and BPO company headquartered in Chicago, Illinois with over 50 U.S. offices and access to a global network or member firms in over 135 countries. We offer a broad range of services in strategy and consulting, operations, technology and...

    Top Services:

    • Accounting
    • Business Consulting
    • Market Research
    • HR Outsourcing
    • Software Development
    • Show more
    Location
    Bellevue, Washington
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed

    Grant Thornton Services

    • Accounting
    • Business Consulting
    • Market Research
    • HR Outsourcing
    • Software Development
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Financial industry
    • Real estate industry
    • Media and Entertainment industry
    Data sourced from the agency's DesignRush profile

    Grant Thornton Reviews & Testimonials

    • Theodore Mall
      Theodore Mall Review from Google
      4.0 ★

      Theodore Mall's Review Sourced from Google

      One of the world’s leading organizations of independent audit, tax and advisory firms. Grant Thornton has revenues in excess of $1.9 billion and operates more than 50 offices.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.5 4.5 (13)

  • 9series

    Handcrafted Technology Solutions

    At 9series, we help organizations move beyond traditional software by building intelligent systems powered by AI...

    Top Services:

    • Mobile App Development
    • AI Development
    • IoT
    • Software Development
    • Cloud Consulting
    • Show more
    Location
    Bellevue, Washington
    Number of Employees
    250 - 499
    Average Hourly Rate
    $40/hr
    Portfolios Count
    3 Projects Listed

    9series Services

    • Mobile App Development
    • AI Development
    • IoT
    • Software Development
    • Cloud Consulting
    • DevOps Consulting
    • Digital Services
    • Digital Strategy
    • eCommerce Development
    • Web Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • iWayTrack
    • Overlay Planner
    • Product Tube
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

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