Top 100 IT Services Companies in Seattle
The Best of December 2025Looking 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.
List of the Best Seattle IT Companies
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$5,000+50 - 249 employeesGaithersburg, MDRead More
DesignDATA is an IT managed services company. Established in 1979, the midsize agency is headquartered in Gaithersburg, Maryland and Washington, District of Columbia. Their services include IT managed services, IT strategy consulting, cloud consulting & SI, and Cybersecurity.
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$1,000+50 - 249 employeesNaperville, ILBetterWorld Technology is a midsize IT managed services company launched in 2003. Their services include IT managed services, Cybersecurity, IT strategy consulting, and Compliance Consulting. The company is headquartered in Naperville, Illinois; Naperville, Illinois; Winter Park, Florida and Denver, Colorado.Read More
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241Undisclosed50 - 249 employeesSeattle, WAFounded in 2012, Strategic Business Decisions Consulting is an Application Testing company. Their team focuses on Application Testing and Digital Strategy.Read More
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242Undisclosed2 - 9 employeesKirkland, WAColumns Ai, a small big data analytics company, is located in Kirkland, Washington. Their services include BI & big data consulting & SI.Read More
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243Undisclosed2 - 9 employeesSeattle, WAPolynaryThink, LLC is a data analytics company founded in 2010. The team specializes in BI & big data consulting & SI.Read More
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244Undisclosed10 - 49 employeesKirkland, WAHeadquartered in Kirkland, Washington and North Sydney, Australia, DeployPartners is an IT strategy consulting company. Their services include IT strategy consulting and IT managed services.Read More
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245Undisclosed2 - 9 employeesRenton, WAEstablished in 2015, Step 7 Consulting, Inc. Is a big data company. The company provides BI & big data consulting & SI and CRM consulting and SI, and is small.Read More
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246UndisclosedFreelancer employeesSeattle, WAPrimal Cybersecurity is a Cybersecurity company. The team specializes in Cybersecurity and is based in Seattle, Washington.Read More
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247Undisclosed50 - 249 employeesRedmond, WAAuroraView, a midsize IT strategy consulting company, is headquartered in Redmond, Washington. The team provides IT strategy consulting and Custom Software Development.Read More
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248Undisclosed50 - 249 employeesSeattle, WALaunched in 2012, OnActuate is a CRM consulting and SI company. The team specializes in CRM consulting and SI and BI & big data consulting & SI.Read More
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249Undisclosed2 - 9 employeesSeattle, WATech Reformers, a cloud consulting & SI company, was founded in 2019. They specializes in cloud consulting & SI and IT strategy consulting.Read More
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250Undisclosed2 - 9 employeesSeattle, WALaunched in 1999, SeattlePro Enterprises is a small Cybersecurity company located in Seattle, Washington. Their team provides Cybersecurity and IT strategy consulting.Read More
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251Undisclosed50 - 249 employeesNewcastle, WAVidyatech is a midsize Cybersecurity company located in Vancouver, Canada and Newcastle, Washington. The team offers Cybersecurity and cloud consulting & SI.Read More
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252Undisclosed50 - 249 employeesSeattle, WAStova is an Event Marketing company. Their midsize team is located in New York, New York and Seattle, Washington and offers Event Marketing and Email Marketing. The company was launched in 2011.Read More
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253Undisclosed250 - 999 employeesSeattle, WAEstablished in 2010, Guidepost Solutions, a midsize Cybersecurity company, is headquartered in Seattle, Washington and New York, New York. Their team focuses on Cybersecurity.Read More
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254Undisclosed2 - 9 employeesSeattle, WAPhishgrad, a Cybersecurity company, specializes in Cybersecurity. The agency is in Seattle, Washington.Read More
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255Undisclosed2 - 9 employeesSammamish, WAAnaya CyberTech is a Cybersecurity company. Their small team is in Sammamish, Washington. Their services include Cybersecurity and cloud consulting & SI.Read More
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256$250,000+1,000 - 9,999 employeesAuburn, WAZones, LLC is a cloud consulting & SI company. The large Auburn, Washington-based team offers cloud consulting & SI and Cybersecurity. The firm was established in 1986.Read More
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257UndisclosedFreelancer employeesKirkland, WAIT strategy consulting and software development company Fusion Technology was launched in 2022. The team specializes in IT strategy consulting and Custom Software Development.Read More
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258Undisclosed2 - 9 employeesSeattle, WAProduct Design company Visual Plan Reality Capture & Digital Twins Solutions was launched in 2017. Based in Seattle, Washington, the team provides Product Design and IT managed services.Read More
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259Undisclosed2 - 9 employeesRedmond, WAEstablished in 2018, Axcend Consulting is a small Redmond, Washington-based data analytics company. Their team provides BI & big data consulting & SI and Custom Software Development.Read More
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260Undisclosed2 - 9 employeesSeattle, WAIT strategy consulting company DyNexus Recruiting & Staffing is located in Seattle, Washington. They focus on IT strategy consulting and CRM consulting and SI.Read More
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261Undisclosed10 - 49 employeesBellevue, WALeszynski Group, Inc. Is a cloud consulting & SI company. Launched in 1990, the team specializes in cloud consulting & SI and Business Consulting.Read More
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262Undisclosed10 - 49 employeesBothell, WACloudVenture Technologies is a small business intelligence company located in Bothell, Washington. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
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263Undisclosed10 - 49 employeesSeattle, WAKnack Collective is a Marketing Strategy company. Launched in 2018, the company specializes in Marketing Strategy and Content Marketing.Read More
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264Undisclosed10 - 49 employeesSeattle, WABLG Technologies (P) Ltd., a custom software development company, was launched in 2017. They offers Custom Software Development and cloud consulting & SI.Read More
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265Undisclosed50 - 249 employeesBellevue, WAMavensoft Technologies is an IT strategy consulting company. The Alpharetta, Georgia-based team focuses on IT strategy consulting and cloud consulting & SI.Read More
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266Undisclosed50 - 249 employeesSeattle, WABased in Seattle, Washington, Accretive Technology Group is a graphic design company. Launched in 1997, the team provides Graphic Design and IT strategy consulting.Read More
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267$1,000+2 - 9 employeesSeattle, WASearch to Sale is a SEO services firm. Established in 2022, the agency focuses on Search Engine Optimization and Conversion Optimization.Read More
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268Undisclosed50 - 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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269$5,000+2 - 9 employeesSeattle, WAVega Performance Marketing is an IT managed services company. The team specializes in IT managed services and Web Design and is located in Seattle, Washington.Read More
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270Undisclosed2 - 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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