DesignRush expert analysts recognized the top software development companies in Washington that create high-performance solutions for businesses of all sizes and across industries. Find the right software development partner based on average project cost, reviews and more.

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United States × Washington × $50,000 & Up × Sort by: Avg Hourly Price: Low to High ×Clear Filters
  • 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
  • A Nortal company

    We build web & mobile apps for leading brands...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • AI Development
    • UI/UX Design
    • Show more
    Location
    Kirkland, Washington
    Number of Employees
    250 - 499
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    8 Projects Listed
  • 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
  • Full-cycle software development company

    From augmented reality to construction, environmental restoration to the blockchain, we have a diverse range of clients and projects...

    Top Services:

    • Software Development
    • Mobile App Development
    • IT Services
    • Web Development
    • Show more
    Location
    Vancouver, Washington
    Number of Employees
    100 - 249
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $50,000 & Up
  • 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...

    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
  • We improve conversion rate, average order value, and lifetime value for ecommerce brands.

    We specialized in building high-performing, conversion-focused Shopify Plus websites and advanced email marketing solutions using Klaviyo. Our expert team is committed to creating engaging digital experiences that drive revenue and help businesses thrive...

    Top Services:

    • Web Development
    • Web Design
    • CRO
    • Email Marketing
    • eCommerce Development
    • Show more
    Location
    Colbert, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    8 Projects Listed

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
129,330+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
47%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
6

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

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