Top 40 Dot Net Developers in Seattle
The Best of December 2025Looking for a top dot net developer in Seattle?
.NET is a powerful, flexible software framework utilized by many businesses. A highly regarded developer can help ensure performance, security, and testing for your company.
To assist you in your search for a partner, we’ve compiled this list of the top dot net developers in Seattle. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Seattle .NET Development Services
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1$50,000+250 - 999 employeesKyiv, UkraineLocated in Tallinn, Estonia; Kharkiv, Ukraine; Stuttgart, Germany and London, England, Jelvix is a software development company. The midsize agency was established in 2011. Their services include Custom Software Development, Mobile App Development, Artificial Intelligence, and cloud consulting & SI.Read More
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Tiber Capital GroupIndustries
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2$10,000+250 - 999 employeesBellevue, WARead More
Affirma Consulting is a custom software development firm established in 2001. Their midsize team is in Bellevue, Washington; Ahmedabad, India; Dublin, Ireland and Fayetteville, Arkansas. The firm focuses on Custom Software Development, AI Consulting, Generative AI, Mobile App Development, and more.
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MicrosoftIndustries
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3$25,000+10 - 49 employeesDallas, TXLaunched in 2015, Groove Jones is an AR/VR development company. Their small team is based in Dallas, Texas; Minneapolis, Minnesota; West Hollywood, California and Chicago, Illinois. Their team provides AR/VR development, Artificial Intelligence, Web Development, Mobile App Development, and more.Read More
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3M AT&T American Heart Associaiton Charles SchwabIndustries
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4$5,000+250 - 999 employeesKirkland, WAEstablished in 2005, UKAD is an IT staff augmentation company. Their midsize team is located in Kirkland, Washington; Kraków, Poland; Kharkiv, Ukraine and Cesson-Sévigné, France and focuses on IT staff augmentation, E-Commerce Development, Low/No Code Development, Custom Software Development, and more.Read More
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AJ Produkter Ginza TargetAid EntitledToIndustries
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5$50,000+10 - 49 employeesSeattle, WAATOMICUS, a custom software development firm, was launched in 1999. They are in Seattle, Washington and Gdańsk, Poland and have a small team. Their services include custom software development.Read More
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BRUKER CAMECA AMETEK Hitachi High-TechIndustries
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6$25,000+250 - 999 employeesKirkland, WANearsure, a Nortal company is an IT strategy consulting company. They focus on IT strategy consulting, IT staff augmentation, IT managed services, Custom Software Development, and more and were founded in 2000. Their midsize team is headquartered in Montevideo, Uruguay; Kirkland, Washington; Envigado, Colombia and Sao Paulo, Brazil.Read More
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Health CatalystIndustries
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7$10,000+50 - 249 employeesSeattle, WAMobile app development firm 9series Inc is headquartered in Bellevue, Washington; Ahmedabad, India and Seattle, Washington. They focus on Mobile App Development, Artificial Intelligence, Web Development, and Low/No Code Development and were founded in 2014.Read More
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8$25,000+50 - 249 employeesSeattle, WAMobcoder, an IT staff augmentation company, is located in Seattle, Washington; Cobham, England; Ghaziabad, India and Burnaby, Canada. The midsize company was launched in 2014. Their services include IT staff augmentation, Artificial Intelligence, UX/UI Design, BI & big data consulting & SI, and more.Read More
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General millsIndustries
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9$50,000+50 - 249 employeesSeattle, WAThirstySprout is an IT staff augmentation company. They are based in Seattle, Washington; San Francisco, California; Austin, Texas and Buenos Aires, Argentina and have a midsize team. The company provides IT staff augmentation, Generative AI, Custom Software Development, Web Development, and more.Read More
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Rover.comIndustries
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10$25,000+2 - 9 employeesSeattle, WARead More
Lunarbyte.io is a development agency based in Seattle. Since 2019, the 3-person team has built websites, custom software, and mobile apps for predominantly small businesses.
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DDM ImportsIndustries
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11$100,000+250 - 999 employeesSeattle, WAMatellio is a San Jose, California-based mobile application development firm. The midsize team provides Mobile App Development, IT staff augmentation, Web Development, IoT development, and more and was established in 2014.Read More
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StartupsIndustries
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12$1,000+1,000 - 9,999 employeesSalt Lake City, UTInsight Global, a big data analytics company, provides BI & big data consulting & SI and cloud consulting & SI. The firm is located in Atlanta, Georgia and Birmingham, Alabama.Read More
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13$10,000+50 - 249 employeesBellevue, WARead More
Virtuosity Consulting, a custom software development firm, was launched in 2008. They are located in Bellevue, Washington and Navi Mumbai, India and have a midsize team. Their services include custom software development, IT managed services, enterprise app modernization, web development, and more.
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14$25,000+10,000+ employeesKraków, PolandPersistent Systems is a data analytics company. Established in 1990, the large agency is headquartered in Pune, India; Santa Clara, California; Paris, France and Lyne, England. Their services include BI & big data consulting & SI, cloud consulting & SI, Cybersecurity, Custom Software Development, and more.Read More
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15$10,000+10 - 49 employeesEdmonton, CanadaDura Digital, an IT managed services company, is located in Edmonton, Canada; Montevideo, Uruguay and Seattle, Washington. Launched in 2020, the small team offers IT managed services, IT staff augmentation, web development, and mobile app development.Read More
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16Undisclosed50 - 249 employeesSeattle, WANTSprint LLC is a software development company. They are located in Seattle, Washington and have midsize team of experts. Their services include Custom Software Development and Web Development.Read More
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17$10,000+50 - 249 employeesSeattle, WADevblock is a software development company. Based in Seattle, Washington and Ho Chi Minh, Vietnam, the company offers Custom Software Development and Web Development.Read More
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18$10,000+10 - 49 employeesSeattle, WAPalador is a small custom software development firm headquartered in Seattle, Washington and Yogyakarta, Indonesia. Their services include Custom Software Development and Enterprise App Modernization.Read More
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19$25,000+250 - 999 employeesKraków, PolandPwrteams is an IT staff augmentation company. Their midsize team is based in Kraków, Poland; L'viv, Ukraine; Koerich, Luxembourg and Berlin, Germany. The company provides IT staff augmentation, Custom Software Development, Application Testing, Staffing, and more. The company was launched in 2007.Read More
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SiteCore TUI News UK Dow JonesIndustries
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20$50,000+50 - 249 employeesWoodinville, WAEstablished in 1996, Redapt is a cloud consulting & SI company. The agency focuses on cloud consulting & SI and BI & big data consulting & SI, and is midsize.Read More
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21$10,000+50 - 249 employeesChicago, ILDMC, Inc., a custom software development firm, is based in Chicago, Illinois and Somerville, Massachusetts. The team provides Custom Software Development and CRM consulting and SI.Read More
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3MIndustries
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22$1,000+50 - 249 employeesSeattle, WAFigma to html is a web design company. The Seattle, Washington-based agency provides Web Design and Web Development.Read More
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23$50,000+50 - 249 employeesSeattle, WACloud consulting & SI company GenUI was launched in 2009. The midsize team focuses on cloud consulting & SI and Mobile App Development.Read More
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24$10,000+250 - 999 employeesBellevue, WAConfiz, an IT staff augmentation company, is in Bellevue, Washington and Dubai, United Arab Emirates. Launched in 2005, the team offers IT staff augmentation and ERP consulting and SI.Read More
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25$10,000+10 - 49 employeesSeattle, WAAmberteq is a small Enterprise App Modernization company. Founded in 2018, the team offers Enterprise App Modernization and cloud consulting & SI.Read More
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26Undisclosed50 - 249 employeesSeattle, WAFast Track Team, a custom software development firm, offers Custom Software Development and Application Testing. The company is located in Seattle, Washington and Pune, India.Read More
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27Undisclosed10 - 49 employeesKirkland, WAJetstream Software, Inc., a software development company, provides Custom Software Development and AR/VR development. The agency is located in Kirkland, Washington.Read More
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28$5,000+2 - 9 employeesShoreline, WARead More
VisionSnap is a design and development company based in Seattle, with an additional office in Phoenix, AZ. The team was founded in 1999. VisionSnap specializes in providing UX/UI design, web development, and web design services primarily for small and midmarket businesses.
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RulersmithIndustries
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29$50,000+10 - 49 employeesSeattle, WAFounded in 2021, Chaos Theory Studios, LLC is an user experience agency. Their team provides UX/UI Design and Custom Software Development.Read More
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30$1,000+10 - 49 employeesKent, WAEstablished in 2021, DigiCorders is a social media marketing firm. The team provides Social Media Marketing and Content Marketing.Read More
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