Top 100 IT Services Companies in Connecticut
The Best of December 2025Looking for a top IT services company in Connecticut?
For your company to grow, it is essential to choose the best technology. Hiring an innovative IT services provider is the easiest way to ensure that you are making the best use of technology, increasing sales, and staying one step ahead of the competition.
To assist you in your search for a partner, we’ve compiled this list of the top IT consultants in Connecticut. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Connecticut 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.
Industries
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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
Industries
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181Undisclosed50 - 249 employeesShelton, CTTranSigma Consulting LLC, a Cybersecurity company, was launched in 2005. The team offers Cybersecurity and is in Shelton, Connecticut.Read More
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182Undisclosed10 - 49 employeesWaterbury, CTValued Technology Services, a Cybersecurity company, is located in Waterbury, Connecticut. They specialize in Cybersecurity.Read More
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183Undisclosed2 - 9 employeesManchester, CTFounded in 2019, Technology Service Management is a Cybersecurity company. The team specializes in Cybersecurity and is headquartered in Manchester, Connecticut.Read More
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184Undisclosed10 - 49 employeesWestport, CTHMC3 is a Cybersecurity company based in Westport, Connecticut. Launched in 2015, the team provides Cybersecurity.Read More
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185Undisclosed2 - 9 employeesWestbrook, CTSound Computers is a Cybersecurity company. They are located in Westbrook, Connecticut, and their services include Cybersecurity.Read More
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186Undisclosed2 - 9 employeesBrookfield, CTSkunkCyber is a Cybersecurity company in Brookfield, Connecticut. The team offers Cybersecurity.Read More
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187Undisclosed2 - 9 employeesNew Haven, CTNew Haven Information Technologies is a web design agency in New Haven, Connecticut. Their services include Web Design and UX/UI Design.Read More
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188Undisclosed2 - 9 employeesNorwich, CTGraphic design company Convey Media was launched in 2009. The firm focuses on Graphic Design and Cybersecurity, and is small.Read More
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189Undisclosed2 - 9 employeesStamford, CTColumbia Consulting Group is a Market Research company. Established in 1997, the team specializes in Market Research and BI & big data consulting & SI.Read More
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190Undisclosed2 - 9 employeesNew Haven, CTVoterLabs is an artificial intelligence development company launched in 2012. The team offers Artificial Intelligence and AI Consulting and is in New Haven, Connecticut.Read More
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191Undisclosed2 - 9 employeesStamford, CTBrainbeatIT is a cloud consulting & SI company. The Stamford, Connecticut-based team provides cloud consulting & SI and Custom Software Development.Read More
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192Undisclosed2 - 9 employeesTorrington, CTSocial media marketing agency 911 Website Repair is headquartered in Torrington, Connecticut. They offer Social Media Marketing and Content Marketing.Read More
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193Undisclosed2 - 9 employeesRidgefield, CTSTJC Group is an user experience agency launched in 2020. The team specializes in UX/UI Design and IT strategy consulting and is in Ridgefield, Connecticut.Read More
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194Undisclosed10 - 49 employeesNew Britain, CTDynamic Network Solutions, LLC. Is a small New Britain, Connecticut-based IT strategy consulting and IT staff augmentation company. The team provides IT strategy consulting and IT staff augmentation.Read More
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195Undisclosed10 - 49 employeesNew Milford, CTFairfax Data Systems, Inc. Is a New Milford, Connecticut-based Application Management & Support company. Their services include Application Management & Support and ECM consulting and SI.Read More
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196Undisclosed10 - 49 employeesHartford, CTValidSoft is an IT strategy consulting and Compliance Consulting company established in 2003. The firm focuses on IT strategy consulting and Compliance Consulting.Read More
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197Undisclosed50 - 249 employeesShelton, CTSila Solutions Group is a Shelton, Connecticut-based Business Consulting company. Their services include Business Consulting and IT strategy consulting.Read More
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198Undisclosed2 - 9 employeesShelton, CTMarketing Strategy company The GRI Marketing Group was founded in 1985. The company specializes in Marketing Strategy and Branding.Read More
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199Undisclosed2 - 9 employeesHartford, CTPlan B Network Services, Inc, an IT staff augmentation company, was launched in 2003. The team provides IT staff augmentation and cloud consulting & SI and is located in Hartford, Connecticut.Read More
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200Undisclosed2 - 9 employeesStratford, CTHeadquartered in Stratford, Connecticut, The Mercury Group is a small telephone answering service and IT strategy consulting company. The team offers Call Center Services and IT strategy consulting.Read More
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201Undisclosed2 - 9 employeesSouthbury, CTAnswering service and IT strategy consulting company DVP Technologies is located in Southbury, Connecticut. They focus on Call Center Services and IT strategy consulting.Read More
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202Undisclosed2 - 9 employeesDanbury, CTJRO TECHNOLOGY is an IT managed services and application development company based in Danbury, Connecticut. They provide IT managed services and Mobile App Development and were established in 2005.Read More
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203Undisclosed2 - 9 employeesStamford, CTPC Home Solutions is a small Stamford, Connecticut-based software development firm and IT managed services company. Their services include Custom Software Development and IT managed services.Read More
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204UndisclosedFreelancer employeesMonroe, CTFounded in 2025, EvolvAI CT LLC, a small AI Consulting company, is headquartered in Monroe, Connecticut. Their team provides AI Consulting and IT strategy consulting.Read More
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205$50,000+250 - 999 employeesNew Haven, CTBoston Technology Corporation is a Framingham, Massachusetts-based software development company. They specialize in Custom Software Development, Mobile App Development, Artificial Intelligence, cloud consulting & SI, and more and were established in 2004.Read More
Clients
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206UndisclosedFreelancer employeesGlastonbury, CTMovy Media, a SEO company, was launched in 2019. They offers Search Engine Optimization and Web Design.Read More
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207$1,000+Freelancer employeesNew Haven, CTFounded in 2023, Klise Consulting is a small custom software development firm. Their team offers Custom Software Development and Web Design.Read More
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208Undisclosed50 - 249 employeesStamford, CTBranding firm ESMSYS was launched in 2003. The agency focuses on Branding and Web Design.Read More
Industries
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209Undisclosed50 - 249 employeesNorwalk, CTCareAR is an AR/VR development company. Headquartered in Norwalk, Connecticut, the team focuses on AR/VR development and IT managed services.Read More
Industries
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210Undisclosed2 - 9 employeesDanbury, CTOptimization Partners, a business intelligence company, was established in 2012. The team specializes in BI & big data consulting & SI and E-Commerce Development.Read More
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