Top 100 IT Services Companies in Seattle

DMC, Inc. is an engineering and development firm founded in 1996. It is headquartered in Chicago, but has other locations in Somerville, Mass.; Denver, Colo.; New York, N.Y.; Houston, Texas; and St. Louis, Mo. DMC, Inc. has about 150 employees. While DMC's origins are in robotics and manufacturing automation, they currently offer custom software development and big data consulting services.   

Established in 2005, Logic20/20 is a midsize business consulting company. Their team focuses on business consulting, Artificial Intelligence, IT strategy consulting, IT managed services, and more. The company is in Seattle, Washington; San Francisco, California; Bellevue, Washington and San Diego, California.

ILink Digital is a large ai consulting company in Bothell, Washington. Established in 2002, the team offers ai consulting, generative ai, cybersecurity, and robotics process automation.

Established in 2019, DevsWeek is an IT strategy consulting company. The small Seattle, Washington-based team offers IT strategy consulting, custom software development, and IT managed services.

EXP Technical is an IT managed services company. They are headquartered in Seattle, Washington and have a small team that provides IT managed services, cloud consulting & SI, IT strategy consulting, and business consulting. The agency was established in 2003.

Interplay IT is an IT managed services company. Founded in 2001, the small firm is headquartered in Seattle, Washington. Their team offers IT managed services, cloud consulting & SI, cybersecurity, and other IT consulting and SI.

Ag Washington Web Services is a web design company. The small Renton, Washington-based agency was established in 2011. Their team specializes in web design, cybersecurity, and application management & support.

Generalsoft Corporation is a small software development company. Located in Seattle, Washington, the firm was launched in 2011. Their services include custom software development, cloud consulting & SI, IT managed services, IT strategy consulting, and more.

Based in Seattle, Washington and Kingston, Washington, CreativeTechs is an IT managed services company. The firm focuses on IT managed services, IT strategy consulting, cybersecurity, IT staff augmentation, and more and is small.The firm was founded in 1998.

Mercutio is an e-commerce development company established in 2015. The firm offers e-commerce development, web development, cloud consulting & SI, and IT strategy consulting and has a small team. The firm is located in Seattle, Washington.

With locations in San Diego and Seattle, LabKey specializes in cloud computing and custom software development. They were founded in 2005 and have about 40 employees. The agency works with various clients in the healthcare, education, and information technology industries. 

Headquartered in Seattle, Washington, Solomon Solution is a small marketing strategy company. They specialize in marketing strategy, content marketing, and CRM consulting and SI and were launched in 2008.

Cloud consulting & SI company Marici Technology Solutions was established in 2016. The small team focuses on cloud consulting & SI, ECM consulting and SI, ERP consulting and SI, custom software development, and more. The firm is located in Seattle, Washington.

Launched in 2009, GenUI is a cloud consulting & SI company. The company offers cloud consulting & SI, mobile app development, web development, ux/ui design, and more and has a midsize team. The company is based in Seattle, Washington.

In Seattle, Washington, Assemble is an e-commerce development firm. They focus on e-commerce development, custom software development, cloud consulting & SI, ERP consulting and SI, and more and were established in 2010.

Blueprint is a midsize supply chain mangement company founded in 2013. Their team offers supply chain mangement, compliance consulting, cloud consulting & SI, IT managed services, and more. The company is located in Bellevue, Washington.

Testdel UK Ltd. Is a small application testing company. Launched in 2015, the team provides application testing, IT managed services, IT strategy consulting, and other IT consulting and SI. The firm is located in Harrow, United Kingdom and Chandigarh, India.

Founded in 2010, POWTEC SOLUTIONS, LLC is a software development firm. The small Bremerton, Washington-based team provides custom software development, IT managed services, cybersecurity, and business consulting.

Located in Seattle, Washington; Casper, Wyoming and Rogers, Arkansas, DEV.co is a small IT staff augmentation company. Established in 2008, the team focuses on IT staff augmentation, web design, web development, ux/ui design, and more.

South Geeks is an IT staff augmentation company. The midsize team is located in Seattle, Washington and ABA, Argentina. Their services include IT staff augmentation, IT strategy consulting, and IT managed services.

Level Up CRM, a CRM consulting and SI company, was launched in 2020. The small team specializes in CRM consulting and SI, IT strategy consulting, and IT managed services. The company is in Lometa, Texas; Shaker Heights, Ohio and Bellevue, Washington.

Located in Bellevue, Washington, Strong Tower Consulting, LLC is a midsize business consulting company. They specialize in business consulting, BI & big data consulting & SI, HR services, and back office outsourcing and were established in 2014.

Formidable is a software development company. The midsize team is in Seattle, Washington and London, United Kingdom. Their services include custom software development, IT managed services, cloud consulting & SI, and application testing.

Columns Ai is a Kirkland, Washington-based big data analytics company. The small team provides BI & big data consulting & SI. The agency was launched in 2021.

PolynaryThink, LLC is a big data analytics company launched in 2010. They are in Seattle, Washington and have a small team. Their services include BI & big data consulting & SI.

Devblock is a software development company. The midsize Seattle, Washington-based company was founded in 2008. Their team focuses on custom software development, mobile app development, web development, e-commerce development, and more.

Synergy IT Solutions Group, an IT managed services company, is in Mississauga, Canada; Toronto, Canada and Seattle, Washington. They provide IT managed services, HR services, cybersecurity, web design, and more and were established in 1995.

Dark Matter Digital is a custom software development company based in Seattle, Washington. The company focuses on custom software development, ux/ui design, digital strategy, and IT strategy consulting and has a small team.The company was established in 2019.

IT managed services company Logix Consulting is based in Vashon, Washington. The small team offers IT managed services, cybersecurity, and IT strategy consulting. The firm was founded in 2010.

Sphere Strategy is a branding company. They are located in Mukilteo, Washington and have a small team. Their team focuses on branding, marketing strategy, cloud consulting & SI, and IT managed services.