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Best Washington Staff Augmentation Company Rankings

14 Companies - Rankings updated: August 25, 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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  • Zazz

    Modern IT. Built Secure. Delivered Right.

    Modern IT. Built Secure. Delivered Right.

    Zazz is a trusted software engineering and IT services partner helping enterprises deliver secure, scalable, high-impact tech initiatives. We solve complex challengeslegacy bottlenecks, tech debt, talent gaps, compliance risks, and system fragmentation...

    Top Services:

    • Mobile App Development
    • IT Services
    • Software Development
    • Staff Augmentation
    • IT Compliance Solution
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    250 - 499
    Average Hourly Rate
    $45/hr
    Portfolios Count
    36 Projects Listed
    View Profile
    5.0 5.0 (76)

  • Chop Dawg

    Verified Verified by the DesignRush team for authenticity and credibility.
    Meet The Partner Behind Your App's Success | Make It App'n!

    Meet The Partner Behind Your App's Success | Make It App'n!

    Meet your award-winning app development team, dedicated to turning your vision into scalable and profitable digital apps and software...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    52 Projects Listed
    View Profile
    4.9 4.9 (64)
    4.8 4.8 (76)

  • Mobcoder

    AI-Native, Business-Ready Development Services. Engineered to Scale

    AI-Native, Business-Ready Development Services. Engineered to Scale

    At Mobcoder AI, certified engineers and data scientists help you identify high-ROI AI use cases and operationalize them at scale. With 150+ deployments, CMMI Level 3 certification and 12+ years of experience, we build AI solutions governed by design and model-agnostic frameworks...

    Top Services:

    • Mobile App Development
    • AI Development
    • Software Development
    • Web Development
    • VR/AR
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    14 Projects Listed
    View Profile
    4.9 4.9 (15)
    4.9 4.9 (11)

  • Matellio Inc.

    We Make the Impossible Case Possible.

    We Make the Impossible Case Possible.

    Matellio is a leading software engineering studio, recognized globally for delivering intelligent solutions powered by Artificial Intelligence and Machine Learning. We specialize in developing customized AI solutions tailored to various needs of businesses under different industry verticals...

    Top Services:

    • AI Development
    • IoT
    • DevOps Consulting
    • Cloud Consulting
    • Mobile App Development
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    26 Projects Listed
    View Profile
    4.1 4.1 (1)

  • Dynamic Solution Innovators (DSi)

    Accelerate With AI Enabled Software Teams

    Accelerate With AI Enabled Software Teams

    Dynamic Solution Innovators (DSi) is a leading software engineering company and offshore development partner in Bangladesh...

    Top Services:

    • Staff Augmentation
    • Software Development
    Location
    Redmond, Washington
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    View Profile
    4.5 4.5 (192)

  • NTSprint LLC

    Maximizing Ideas

    Maximizing Ideas

    NTSprint helps U.S. businesses accelerate growth through AI-powered software, dedicated nearshore engineering teams, and scalable cloud solutions. With 10+ years of experience and 500+ projects delivered, we provide real-time collaboration, faster delivery, and measurable business impact...

    Top Services:

    • Software Development
    • AI Development
    • Cloud Consulting
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Bothell, Washington
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    13 Projects Listed
    View Profile
    5.0 5.0 (2)

  • Pelotech

    Seasoned Senior Developers Specialized In Kubernetes And Cloud Solutions

    Seasoned Senior Developers Specialized In Kubernetes And Cloud Solutions

    At Pelotech, we're a team of seasoned senior developers specialised in Kubernetes and cloud solutions. We partner with companies, from Fortune 500 giants to mid-sized businesses, to solve complex challenges in cloud migration, integrations, application development and modernisation initiatives...

    Top Services:

    • Software Development
    • Cloud Consulting
    • Mobile App Development
    • Managed Services
    • DevOps Consulting
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • 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...

    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...

    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)

  • Prime Consulting

    We have prime focus towards our customers need.

    We have prime focus towards our customers need.

    Prime is founded by group of highly talented IT professional. Prime develop business applications and offers outsourcing solutions. Prime Consulting goal is to to bridge the gap between right talent with right requirement...

    Top Services:

    • IT Services
    • Staff Augmentation
    • Software Development
    Location
    Tacoma, Washington
    Number of Employees
    50 - 99
    View Profile
    4.0 4.0 (2)

  • KIS Solutions

    Tech too complex? We keep it simple.

    Tech too complex? We keep it simple.

    IT teams and business leaders are often at odds. This is in large part because technologists focus on technology rather than the underlying business issue. This company was founded to bridge that gap and to allow business owners the ability to fully leverage their tech stack. We offer near shore resources...

    Top Services:

    • Managed Services
    • IT Services
    • DevOps Consulting
    • Staff Augmentation
    • AI Development
    • Show more
    Location
    Bellingham, Washington
    Number of Employees
    100 - 249
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $50,000 & Up
    View Profile

  • VitalSource IT

    Tech Giants need talent. VitalSource IT delivers.

    Tech Giants need talent. VitalSource IT delivers.

    Since 2010, VitalSource IT has emerged as the #1 direct placement IT services staffing partner for tech giants such as Amazon.com, eBay, Nest, Twitch, and Zillow Group. We credit our success to strong, lasting partnerships with top companies and talented technical professionals...

    Top Services:

    • HR Outsourcing
    • IT Services
    • Staff Augmentation
    Location
    Kirkland, Washington
    Number of Employees
    Under 49
    View Profile
    1.0 1.0 (2)

  • Idi Oumarou

    Secure And Reliable Websites For Professionals

    Secure And Reliable Websites For Professionals

    Idi Oumarou is an independent web designer who builds secure, reliable, and professional websites for lawyers, accountants, consultants, and other professional services firms. He provides fixed-price website packages with fast turnaround times, offering mobile-friendly design, SEO setup, analytics, privacy...

    Top Services:

    • Business Consulting
    • Customer Support
    • Staff Augmentation
    • WordPress Website Design
    • Show more
    Location
    Spokane, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • Softech Systems Pvt Limited

    Transforming Ideas into Innovation: A Holistic Services Provider You Can Trust

    Transforming Ideas into Innovation: A Holistic Services Provider You Can Trust

    Softech Systems has been delivering excellence to the world since 1998. We have served every continent with our expert services and competence. For utmost satisfaction of our clients, we ensure tailored and contemporary services...

    Top Services:

    • Software Development
    • Software Testing
    • Cloud Consulting
    • Digital Marketing
    • SEO
    • Show more
    Location
    Virginia, Washington
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    View Profile

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