Top 100 IT Services Companies in Seattle
The Best of July 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.
List of the Best Seattle IT Companies
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121$5,000+50 - 249 employeesSeattle, WARead More
ProCogia is a data analysis solutions company based in Vancouver, Canada, with an office in Seattle. The company, founded in 2013, has a team of around 75 that provides AI, BI & big data consulting & SI, cloud consulting & SI, custom software development, and IoT development services. ProCogia serves small and mid-market companies in various industries.
Clients
T-MobileIndustries
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122$5,000+50 - 249 employeesRedmond, WAFounded in 2010, Divensi Inc, a midsize IT staff augmentation company, is based in Redmond, Washington and Bhubaneswar, India. Their team focuses on IT staff augmentation and IT managed services.Read More
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123$1,000+2 - 9 employeesBellevue, WAOmnia Digital Media is an IT managed services company. They offer IT managed services and Web Design and are located in Bellevue, Washington.Read More
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124$5,000+50 - 249 employeesSeattle, WAMidsize IT staff augmentation company South Geeks, is located in Seattle, Washington and ABA, Argentina. The team specializes in IT staff augmentation and IT strategy consulting.Read More
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125$10,000+10 - 49 employeesSeattle, WAIT staff augmentation company DEV.co is in Seattle, Washington and Casper, Wyoming. They provide IT staff augmentation and Web Design and were founded in 2008.Read More
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126$5,000+10 - 49 employeesKirkland, WAMeydenbauer Partners, an IT strategy consulting company, is based in Kirkland, Washington. They specialize in IT strategy consulting and CRM consulting and SI.Read More
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127$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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128$25,000+50 - 249 employeesSeattle, WAAssemble is a midsize e-commerce development company based in Seattle, Washington. Their services include E-Commerce Development and Custom Software Development.Read More
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129$1,000+10 - 49 employeesSeattle, WASynergy Business Solutions, an ERP consulting and SI company, offers ERP consulting and SI. The firm is in Portland, Oregon and Seattle, Washington.Read More
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130Undisclosed10,000+ employeesSeattle, WAAvanade is a CRM consulting and SI company. Located in Seattle, Washington, the team provides CRM consulting and SI and cloud consulting & SI.Read More
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131Undisclosed1,000 - 9,999 employeesSeattle, WARead More
Slalom Consulting is a Seattle, Washington-based CRM consulting and SI company. The large team specializes in CRM consulting and SI, ERP consulting and SI, ECM consulting and SI, unified communications consulting & SI, and more and was founded in 2001.
Industries
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132Undisclosed50 - 249 employeesSeattle, WANexTec Group is a CRM consulting and SI company headquartered in Seattle, Washington. Their services include CRM consulting and SI and ERP consulting and SI.Read More
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133Undisclosed10 - 49 employeesRenton, WAThe Resource Group is a CRM consulting and SI company. Based in Renton, Washington, the agency was established in 1988. Their team specializes in CRM consulting and SI and ERP consulting and SI.Read More
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134$5,000+50 - 249 employeesSeattle, WAIOActive is a Cybersecurity company. Located in Seattle, Washington and London, England, the agency was launched in 1998. Their team focuses on Cybersecurity.Read More
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135$5,000+1,000 - 9,999 employeesBellevue, WAFounded in 1971, Merkle is a large CRM consulting and SI company. Their team focuses on CRM consulting and SI and Digital Strategy.Read More
Clients
DellIndustries
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136Undisclosed1,000 - 9,999 employeesSeattle, WALocated in New York, New York and Austin, Texas, Material is a Market Research company. Established in 1973, the team provides Market Research and Marketing Strategy.Read More
Industries
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137Undisclosed10 - 49 employeesSeattle, WAMaxwell IT, an IT strategy consulting company, provides IT strategy consulting and IT managed services. The agency is based in Seattle, Washington and Portland, Oregon.Read More
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138Undisclosed250 - 999 employeesSeattle, WAPremise is an IT strategy consulting company. Launched in 2012, the firm provides IT strategy consulting and Artificial Intelligence.Read More
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139Undisclosed250 - 999 employeesBellevue, WAEstablished in 1996, Launch Consulting is a midsize Bellevue, Washington-based IT strategy consulting company. Their services include IT strategy consulting and UX/UI Design.Read More
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140Undisclosed2 - 9 employeesSeattle, WAPercolator Consulting is a CRM consulting and SI company. The Seattle, Washington-based firm offers CRM consulting and SI.Read More
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141Undisclosed10 - 49 employeesSeattle, WAESage Group is a CRM consulting and SI company. The small Seattle, Washington-based team offers CRM consulting and SI. The firm was launched in 1998.Read More
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142Undisclosed10 - 49 employeesSeattle, WAEnterprise Data Management, a small ECM consulting and SI company, is located in Vancouver, Canada and Seattle, Washington. The team specializes in ECM consulting and SI and IT managed services.Read More
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143Undisclosed10 - 49 employeesSeattle, WAOTB Solutions is an ECM consulting and SI company established in 2002. The agency specializes in ECM consulting and SI and IT strategy consulting, and is small.Read More
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144Undisclosed10 - 49 employeesKirkland, WALaunched in 2011, EightCloud is a CRM consulting and SI company. The team provides CRM consulting and SI and IT managed services and is located in Kirkland, Washington.Read More
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145Undisclosed10 - 49 employeesRedmond, WAVTeamLabs LLC, a cloud consulting & SI company, was launched in 2014. The agency specializes in cloud consulting & SI and Artificial Intelligence.Read More
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146Undisclosed10 - 49 employeesSeattle, WAStepfar Technology Group is a Cybersecurity and IT managed services company. They are based in Seattle, Washington and have small team. They offer Cybersecurity and IT managed services.Read More
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147Undisclosed250 - 999 employeesSeattle, WAValorem Reply is a data analytics company launched in 2009. Their team specializes in BI & big data consulting & SI and cloud consulting & SI.Read More
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148Undisclosed10 - 49 employeesSeattle, WAEstablished in 1996, StratusG LLC is a CRM consulting and SI company. Their team offers CRM consulting and SI.Read More
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149Undisclosed10 - 49 employeesBellevue, WAAzure One is a Bellevue, Washington-based IT strategy consulting company. They provide IT strategy consulting and cloud consulting & SI.Read More
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150Undisclosed10 - 49 employeesSeattle, WACRM consulting and SI company Etumos was launched in 2014. The team provides CRM consulting and SI and is based in Seattle, Washington.Read More
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