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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91Undisclosed10 - 49 employeesHartford, CTVISTECH is an IT managed services company. Headquartered in Hartford, Connecticut, the firm specializes in IT managed services and Custom Software Development.Read More
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92Undisclosed50 - 249 employeesReading, PAIn Reading, Pennsylvania; New York, New York; Fairhaven, Massachusetts and Stamford, Connecticut, Omega Systems is a midsize IT managed services company. They provide IT managed services, Cybersecurity, IT strategy consulting, cloud consulting & SI, and more and were established in 2002.Read More
Industries
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93$1,000+10 - 49 employeesMeriden, CTNeeFox® is a social media marketing firm. They are in Meriden, Connecticut and Lahore, Pakistan. Their team focuses on Social Media Marketing and CRM consulting and SI.Read More
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94$10,000+2 - 9 employeesStamford, CTGriffin Healthcare Advisors is a small Business Consulting company founded in 2020. Their services include Business Consulting and Cybersecurity.Read More
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95$5,000+2 - 9 employeesHartford, CTBioInfo Systems is a small IT managed services company established in 1995. Their services include IT managed services and IT strategy consulting.Read More
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96Undisclosed2 - 9 employeesStamford, CTAPI Development company API Wizard was founded in 2010. The firm focuses on API Development and cloud consulting & SI, and is small.Read More
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97$10,000+50 - 249 employeesGroton, CTI2e Consulting LLC is a Groton, Connecticut-based big data analytics company. They focus on BI & big data consulting & SI and IT staff augmentation.Read More
Clients
PfizerIndustries
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98Undisclosed10 - 49 employeesMiddletown, CTTri-Com Consulting Group is a Corporate Training & Coaching company. Located in Middletown, Connecticut, their team offers Corporate Training & Coaching and IT managed services.Read More
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99Undisclosed10 - 49 employeesStamford, CTEXTEND Resources is a small Compliance Consulting company launched in 2016. Their team specializes in Compliance Consulting and IT strategy consulting.Read More
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100Undisclosed10 - 49 employeesWilton, CTFounded in 2016, CyberGuard360 is a Cybersecurity company. Their services include Cybersecurity and Corporate Training & Coaching.Read More
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101Undisclosed10 - 49 employeesGlastonbury, CTData Based Development Systems is a big data company. The team offers BI & big data consulting & SI and cloud consulting & SI, and the firm is based in Glastonbury, Connecticut.Read More
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102$1,000+2 - 9 employeesBridgeport, CTFounded in 2016, SaaSQL is an Advertising company. Their team focuses on Advertising and Affiliate Marketing.Read More
Industries
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103Undisclosed50 - 249 employeesRocky Hill, CTGlobal Help Desk Services, Inc. , a telephone answering service, was founded in 2002. The firm offers Call Center Services and IT managed services, and is midsize.Read More
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104Undisclosed2 - 9 employeesWindham, CTLogistics Consulting is a small Digital Strategy company located in Windham, Connecticut. Their services include Digital Strategy and IT managed services.Read More
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105$100,000+250 - 999 employeesRocky Hill, CTMarket Research company NAVA Software Solutions is located in Rocky Hill, Connecticut and Zapopan, Mexico. The team provides Market Research and IT strategy consulting.Read More
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106$1,000+10 - 49 employeesPutnam, CTEstablished in 2002, Alpha NetSolutions, Inc. Is an IT managed services company. The team provides IT managed services and Cybersecurity.Read More
Industries
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107Undisclosed10 - 49 employeesNorwalk, CTChateaux is a small user experience design agency launched in 1985. Their team focuses on UX/UI Design and cloud consulting & SI.Read More
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108Undisclosed10 - 49 employeesWoodbury, CTEstablished in 2019, Legendary Consulting LLC is a software development firm. The small team specializes in Custom Software Development and IT managed services.Read More
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109Undisclosed10 - 49 employeesEast Hartford, CTTelesis Data Solutions LLC, an Application Testing company, was established in 1997. The firm focuses on Application Testing and Robotics Process Automation.Read More
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110Undisclosed10,000+ employeesStamford, CTIn Stamford, Connecticut, Gartner is a Mobile & App Marketing company. Founded in 1979, the team focuses on Mobile & App Marketing and Business Consulting.Read More
Industries
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111Undisclosed2 - 9 employeesWestport, CTMontner Tech PR is a small IT strategy consulting company located in Westport, Connecticut. Their services include IT strategy consulting and Public Relations.Read More
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112Undisclosed2 - 9 employeesWaterbury, CTBlue Cube IT, LLC is a custom software development firm. They were founded in 2010, and their services include Custom Software Development and Web Development.Read More
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113Undisclosed2 - 9 employeesRedding, CTMauli Systems, a custom software development firm, was founded in 1993. The team focuses on Custom Software Development and cloud consulting & SI.Read More
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114$1,000+2 - 9 employeesMadison, CTVoid Security is a Cybersecurity company. Established in 2024, their team offers Cybersecurity.Read More
Industries
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115Undisclosed10 - 49 employeesDanbury, CTCierant Corporation, a Market Research company, is located in Danbury, Connecticut and Charlottesville, Virginia. The team offers Market Research and Social Media Marketing.Read More
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116Undisclosed50 - 249 employeesNorwalk, CTCentral Communications Inc. Is a call center service. The team specializes in Call Center Services and Back Office Outsourcing, and the company is in Norwalk, Connecticut.Read More
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117$5,000+2 - 9 employeesOld Saybrook, CTHeadquartered in Old Saybrook, Connecticut, Dogan.AI is a small big data company. Their services include BI & big data consulting & SI and Web Development.Read More
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118Undisclosed50 - 249 employeesNorwalk, CTCitrin Cooperman is a midsize Cybersecurity company launched in 1979. Their team provides Cybersecurity and Accounting.Read More
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119Undisclosed10 - 49 employeesNorwalk, CTBeyond IT Support is a cloud consulting & SI and IT strategy consulting company. They focus on cloud consulting & SI and IT strategy consulting and were launched in 2003.Read More
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120Undisclosed2 - 9 employeesEast Lyme, CTProject Conquer®, LLC is an Accounting company founded in 2010. Their services include Accounting and cloud consulting & SI.Read More
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