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
-
$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.
Industries
-
$1,000+50 - 249 employeesNaperville, ILRead More
BetterWorld 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.
Industries
-
181Undisclosed10 - 49 employeesBremerton, WAPOWTEC SOLUTIONS, LLC is a Bremerton, Washington-based custom software development firm. Their services include Custom Software Development and IT managed services.Read More
-
182Undisclosed10 - 49 employeesSeattle, WASmall business intelligence company 2A Consulting, is headquartered in Seattle, Washington. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
-
183Undisclosed10 - 49 employeesSeattle, WAITrellis, LLC is a data analytics company headquartered in Seattle, Washington. Founded in 2013, the team specializes in BI & big data consulting & SI and cloud consulting & SI.Read More
-
184Undisclosed10 - 49 employeesSeattle, WAEstablished in 2012, Factor Firm, LLC is an ECM consulting and SI company. Their team focuses on ECM consulting and SI and UX/UI Design.Read More
-
185Undisclosed10 - 49 employeesSammamish, WAFounded in 2022, DigBI Consulting LLC is a big data company. The team specializes in BI & big data consulting & SI and AI Consulting and is based in Sammamish, Washington.Read More
-
186$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
-
187$5,000+50 - 249 employeesSeattle, WALaunched in 2008, Teleion Consulting, a midsize business intelligence company, is located in Seattle, Washington. Their team specializes in BI & big data consulting & SI and Content Marketing.Read More
-
188Undisclosed50 - 249 employeesSeattle, WAFormidable is an IT managed services company. They are headquartered in Seattle, Washington and London, England. Their team specializes in IT managed services and Custom Software Development.Read More
-
189Undisclosed1,000 - 9,999 employeesSeattle, WASlalom Build is an user experience design agency launched in 2001. Their services include UX/UI Design and CRM consulting and SI.Read More
-
190Undisclosed50 - 249 employeesTukwila, WASila Solutions Group is a Shelton, Connecticut-based Business Consulting company. Their services include Business Consulting and IT strategy consulting.Read More
-
191Undisclosed50 - 249 employeesBellevue, WASkill-Up Technologies is a midsize cloud consulting & SI company. Established in 2016, the team provides cloud consulting & SI and UX/UI Design.Read More
Industries
-
192$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
-
193$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
Industries
-
194$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
-
195$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
-
196Undisclosed250 - 999 employeesBellevue, WABlueprint is a Bellevue, Washington-based Supply Chain Management company. Their services include Supply Chain Management and Compliance Consulting.Read More
Industries
-
197$1,000+10 - 49 employeesSeattle, WASmall branding agency Homeworld, is based in Seattle, Washington. The team provides Branding and Marketing Strategy.Read More
-
198$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
-
199Undisclosed10 - 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
-
200$5,000+2 - 9 employeesWoodinville, WABlue K LLC is a custom software development company established in 2005. Their services include Custom Software Development and IT managed services.Read More
Industries
-
201Undisclosed2 - 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
-
202Undisclosed2 - 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
-
203Undisclosed2 - 9 employeesMukilteo, WASphere Strategy, a small branding agency, is headquartered in Mukilteo, Washington. The team provides Branding and Marketing Strategy.Read More
-
204Undisclosed2 - 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
-
205Undisclosed2 - 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
-
206Undisclosed2 - 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
-
207Undisclosed2 - 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
-
208$1,000+10 - 49 employeesKent, WAInTech Consulting, LLC. Is a Cybersecurity company. Launched in 2013, the team provides Cybersecurity and IT managed services.Read More
Industries
-
209Undisclosed2 - 9 employeesSeattle, WARead More
Odd Dog Media was founded in 2007 and is located in Seattle. Their team of 15 employees provides SEO, web design, and social media marketing services.
Clients
Estes BuildersIndustries
-
210Undisclosed50 - 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
Featured providers
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
Schedule Consultation