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.
Sigma Software specializes in developing software and is a globally distributed team of more than 2000 skilled IT professionals, spanning 12 countries including the USA, Sweden, UK, Canada, Israel, Singapore, UAE, Australia, Austria, Ukraine, and more. With a track record of over 20 successful years, we take...
Top Services:
- Software Development
- Web Design
- Mobile App Development
- VR/AR
- Business Consulting
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- Location
- Bellevue, Washington
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 14 Projects Listed
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
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- Location
- Bothell, Washington
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 13 Projects Listed
Integrated IT Solutions provides IT services that help businesses grow and thrive. With over 15 years of experience in software development, mobile apps, digital marketing, and custom integrations, were making the digital journey smooth and successful...
Top Services:
- Software Development
- Web Development
- Mobile App Development
- Digital Marketing
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- Location
- Clarkston, Washington
- Number of Employees
- Under 49
- Average Hourly Rate
- $65/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
Global Leader in Mobile App Development & Digital Engineering...
Top Services:
- Mobile App Development
- Software Development
- Blockchain
- AI Development
- IoT
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- Location
- Sammamish, Washington
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
Most companies want the power of AI without handing their data to someone else. That's where we come in. At LLM.co, we build private language models that run on your own server or private cloud, trained on your knowledge base and shaped around how your team actually works. Think AI assistants, smart document...
Top Services:
- AI Development
- Mobile App Development
- Software Development
- UI/UX Design
- ERP Consulting
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- Location
- Seattle, Washington
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
Veteran-owned Microsoft partner for data, AI, analytics, cloud modernization, managed services and secure government solutions...
Top Services:
- Big Data Analytics
- Managed Services
- Cloud Consulting
- Software Development
- Web Development
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- Location
- Gig Harbor, Washington
- Number of Employees
- Under 49
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $1,000 - $10,000
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