Top 100 IT Services Companies in Seattle
The Best of November 2026Looking for a top IT services company in Seattle?
IT services set the pace of how fast your company will scale. With a good IT infrastructure in place, you can save time and resources, secure your data and assets, and improve your customer service. It may seem costly at first glance, but the ROI is more than worth it.
Get in touch with Seattle’s leading IT services companies on The Manifest. Cut through the options as you browse through these service providers’ client reviews, awards, and profiles.
Jump to Most Reviewed Companies
List of the Best Seattle IT Companies
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211$1,000+2 - 9 employeesSeattle, WAHeadquartered in Seattle, Washington, Entreprov is an Email Marketing company. They provide Email Marketing and CRM consulting and SI and were founded in 2017.Read More
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212Undisclosed250 - 999 employeesBellevue, WABlueprint is a Bellevue, Washington-based Supply Chain Management company. Their services include Supply Chain Management and Compliance Consulting.Read More
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213$1,000+250 - 999 employeesRedmond, WAHarbinger Group is an AI company. The Redmond, Washington-based team specializes in Artificial Intelligence and Custom Software Development.Read More
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214$5,000+2 - 9 employeesBellevue, WAUpper Octave is an IT staff augmentation company. Located in Bellevue, Washington and Beirut, Lebanon, the team offers IT staff augmentation and IT strategy consulting.Read More
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215Undisclosed2 - 9 employeesSeattle, WAEstablished in 2011, Generalsoft Corporation is a custom software development firm. Headquartered in Seattle, Washington, the team specializes in Custom Software Development and cloud consulting & SI.Read More
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216Undisclosed2 - 9 employeesSeattle, WAActus Consulting Group is a small Seattle, Washington-based CRM consulting and SI and custom software development company. Their services include CRM consulting and SI and Custom Software Development.Read More
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217Undisclosed2 - 9 employeesMukilteo, WASphere Strategy, a small branding agency, is headquartered in Mukilteo, Washington. The team provides Branding and Marketing Strategy.Read More
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218Undisclosed2 - 9 employeesSeattle, WALaunched in 2017, Smooth Sailing Solutions is a small Seattle, Washington-based IT strategy consulting company. Their services include IT strategy consulting and Business Consulting.Read More
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219Undisclosed2 - 9 employeesBellevue, WAProGloBix is a Cybersecurity and Compliance Consulting company. Established in 2012, the team offers Cybersecurity and Compliance Consulting. The firm is in Bellevue, Washington.Read More
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220Undisclosed2 - 9 employeesBurien, WASeattle Software Solutions, LLP is a SEO company. They are in Burien, Washington and have small team. Their services include Search Engine Optimization and IT strategy consulting.Read More
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221Undisclosed2 - 9 employeesBothell, WAXcarab is a big data company launched in 2001. Their team offers BI & big data consulting & SI and cloud consulting & SI.Read More
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222Undisclosed50 - 249 employeesBellevue, WACardtapp is a CRM consulting and SI company. The midsize Bellevue, Washington-based team specializes in CRM consulting and SI and Mobile App Development. The firm was founded in 2012.Read More
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223Undisclosed50 - 249 employeesSeattle, WASolluCIO Partners is a Cybersecurity company headquartered in Seattle, Washington. The team provides Cybersecurity and Business Consulting.Read More
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224Undisclosed50 - 249 employeesBellevue, WABluehawk Consulting is an IT managed services company. Established in 2011, the team specializes in IT managed services and Business Consulting.Read More
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225Undisclosed2 - 9 employeesSeattle, WATaliferro Group is a cloud consulting & SI company. The Seattle, Washington-based firm was established in 2020. Their services include cloud consulting & SI and Web Development.Read More
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226$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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227$25,000+10 - 49 employeesSeattle, WAOctoon Technologies is a Seattle, Washington-based Digital Strategy company. The team offers Digital Strategy and Social Media Marketing.Read More
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228Undisclosed10 - 49 employeesSeattle, WATignis is a custom software development company. Established in 2017, the firm is located in Seattle, Washington. Their team specializes in Custom Software Development and Artificial Intelligence.Read More
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229Undisclosed10 - 49 employeesPoulsbo, WAVelosys, a software development company, specializes in Custom Software Development and IT strategy consulting. The company is located in Poulsbo, Washington.Read More
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230Undisclosed10 - 49 employeesBellevue, WAIT SOFT, a small software development firm, is based in Bellevue, Washington. The team focuses on Custom Software Development and Web Development.Read More
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231$5,000+2 - 9 employeesSeattle, WAFounded in 2019, Dark Matter Digital is a Digital Strategy company. Their services include Digital Strategy and UX/UI Design.Read More
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232$1,000+2 - 9 employeesBothell, WASmall Application Testing company Autonomicsoft Solutions LLC, is located in Bothell, Washington. Their services include Application Testing and ERP consulting and SI.Read More
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233$10,000+50 - 249 employeesBainbridge Island, WAIn Walnut Creek, California and Bainbridge Island, Washington, Spear Marketing Group is an Email Marketing company. The team specializes in Email Marketing and CRM consulting and SI.Read More
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234$10,000+10 - 49 employeesSeattle, WAProactiviti, an IT staff augmentation company, specializes in IT staff augmentation and IT strategy consulting. The company is headquartered in Seattle, Washington.Read More
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235$5,000+10 - 49 employeesSeattle, WAUX design company Hawk Tech Universe is located in Seattle, Washington. They focus on UX/UI Design and IT strategy consulting and were founded in 2024.Read More
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236$10,000+10 - 49 employeesSeattle, WALAW.co is an artificial intelligence development company founded in 2010. The small team provides Artificial Intelligence and AI Consulting.Read More
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237Undisclosed2 - 9 employeesSeattle, WANWOS is an AI Consulting company established in 2004. In Seattle, Washington, the team offers AI Consulting and Web Development.Read More
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238$1,000+10 - 49 employeesSeattle, WASmall branding agency Homeworld, is based in Seattle, Washington. The team provides Branding and Marketing Strategy.Read More
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239Undisclosed250 - 999 employeesBellevue, WABrickRed Systems, a midsize Application Testing company, is in Bellevue, Washington and Hyderabad, India. Their services include Application Testing and Business Consulting.Read More
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240Undisclosed250 - 999 employeesBellevue, WAAuth0 by Okta is a cloud consulting & SI company. Their midsize team is based in Bellevue, Washington and provides cloud consulting & SI and Custom Software Development. The firm was founded in 2013.Read More
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Check out an IT Services Company in Seattle with the most new reviews in the past 12 months.
Most Reviewed
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