Top 20 ASP.NET Developers in Seattle

Affirma Consulting is a full-service technology consulting agency. Founded in 2001, Affirma Consulting is based in Seattle, WA with additional offices in Los Angeles, CA, India, Ireland, and Reno, NV. The team of 200+ focuses on consulting for Business Intelligence (BI), Sharepoint, Salesforce, and customer relationship management (CRM) software, they also offer design, marketing, and mobile and web development.

Pwrteams is an IT company that was founded in 2007. Headquartered in Luxembourg, they have service centers in Poland, Ukraine, Bulgaria, Estonia, Lithuania, Serbia and Mexico. They are made up of 700+ employees and specialize in IT and engineering staff augmentation and building dedicated teams in Eastern Europe and Latin America. They also provide on-demand software testing, and Team as a Service for businesses of all sizes.

A full-service digital design and development agency, Flower Press Creative Studio takes on mobile app, web, and custom software development projects. Founded in 2001, the small team of 6 is headquartered in Seattle and also has experience in UI/UX design.

Zazz is a Seattle-based mobile app development company founded in 2011. They have an additional office in San Francisco. Their team of approximately 50 employees serves clients of all sizes and industries. In addition to app development, they also specialize in enterprise app modernization and UX/UI design.

Vinova is an app and game development service based in Singapore. Founded in 2010, the team of 35 employees specializes in mobile app development, web development, and custom software development. They work with small businesses, midmarket businesses, and enterprises, focusing on information technology and gaming.  

Jelvix is a software development agency founded in 2011. Headquartered in Beersheba, Israel, they also have an office in Kharkiv, Ukraine. With a team of 62 employees, their services include IT staff augmentation, mobile app development, and web development. They primarily serve midmarket clients in the healthcare and medical, financial services, and IT industries. 

Mobcoder is a software development company based in Seattle. They also have an office in Noida, India. Founded in 2014, their team of 40 employees provides mobile app development, custom software, and web development services to its midmarket and small business clients. They also serve enterprise clients. 

Black Antelope is a digital creative industry headquartered in Seattle. It was founded in 2009 and has expanded to additional locations in Sacremento, Calif. and London. Black Antelope has about 3 employees that serve a range of enterprise and small- to mid-sized businesses. Services include custom software development, web development, and web design. 

TECLA is a staff augmentation firm with offices in Seattle, Mexico, Lima, Peru, and various other South American countries. Since 2012, their small team of around 10 specializes in custom software, web, and e-commerce development.  

Launched in 1998, Sandcastle Web Design and Development is a small web design agency based in Seattle, Washington. Their services include web design, custom software development, e-commerce development, and mobile app development.

Established in 2005, Palador is a custom software development firm. Based in Seattle, Washington and Yogyakarta, Indonesia, their small team offers custom software development, enterprise app modernization, ux/ui design, web development, and more.

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.

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.   

Ataira Analytics Inc. Is a Redmond, Washington-based business intelligence company and cloud consulting & SI company. They offer BI & big data consulting & SI and cloud consulting & SI and were established in 2015.

TangoTeams is an app development company. Established in 2021, the team provides mobile app development, web development, custom software development, and other application development. Their midsize firm is Seattle, Washington-based.

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.

User experience agency Amberteq was founded in 2008. The company offers ux/ui design, custom software development, web development, mobile app development, and more and has a small team. The company is in Bellevue, Washington.

Digi Corders is a small website development company. Founded in 2021, the team offers web development, advertising, branding, digital strategy, and more. The firm is based in Kent, Washington.