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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$10,000+50 - 249 employeesL'viv, UkraineRead More
Founded in 2019, Uinno is an artificial intelligence firm. The midsize team specializes in Artificial Intelligence, Custom Software Development, Low/No Code Development, UX/UI Design, and more. The company is based in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine.
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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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211Undisclosed2 - 9 employeesEast Hartford, CTProductive Genius Club is a Cybersecurity company. Launched in 2023, the firm is in East Hartford, Connecticut. Their services include Cybersecurity and Artificial Intelligence.Read More
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212Undisclosed2 - 9 employeesGuilford, CTAetheria Data is a business intelligence company. Their small team is located in Guilford, Connecticut. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
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213Undisclosed2 - 9 employeesStamford, CTCompliance Consulting company Orrios was established in 2019. The team offers Compliance Consulting and IT strategy consulting and is based in Stamford, Connecticut.Read More
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214$5,000+50 - 249 employeesHartford, CTRead More
CTS is an IT managed services company. Their midsize team is located in Brooklyn, New York; Melville, New York; Hartford, Connecticut and Stamford, Connecticut. The company specializes in IT managed services, IT strategy consulting, Cybersecurity, cloud consulting & SI, and more. The company was established in 2010.
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215Undisclosed2 - 9 employeesWestport, CTClatter is a small graphic design agency established in 2020. Their services include Graphic Design and BI & big data consulting & SI.Read More
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216Undisclosed2 - 9 employeesWest Hartford, CTIronHorse Software, LLC is a data analytics company based in West Hartford, Connecticut. Their services include BI & big data consulting & SI and Custom Software Development.Read More
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217Undisclosed250 - 999 employeesMilford, CTSilverSky is a Cybersecurity company. They are headquartered in Morrisville, North Carolina and Milford, Connecticut. Their team offers Cybersecurity.Read More
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218Undisclosed2 - 9 employeesHebron, CTLedgestone Technologies, Inc., a Business Consulting company, specializes in Business Consulting and Staffing. The agency is located in Hebron, Connecticut.Read More
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219Undisclosed2 - 9 employeesGroton, CTOne Consulting Company LLC, a Business Consulting company, was established in 2017. The team provides Business Consulting and Advertising and is based in Groton, Connecticut.Read More
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220Undisclosed2 - 9 employeesStamford, CTClarus Tech Partners is a branding company founded in 2018. The team focuses on Branding and Conversion Optimization and is in New York, New York and West Palm Beach, Florida.Read More
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221Undisclosed2 - 9 employeesGreenwich, CTP2B FirmBuilders LLC is a social media marketing firm. They focus on Social Media Marketing and Corporate Training & Coaching and are based in Greenwich, Connecticut.Read More
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222Undisclosed50 - 249 employeesStamford, CTRiskSpan is an AI firm launched in 2001. Located in Stamford, Connecticut and Arlington, Virginia, the team specializes in Artificial Intelligence and AI Consulting.Read More
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223Undisclosed2 - 9 employeesStamford, CTPredictive Motion Inc, an AI company, was established in 2002. The team provides Artificial Intelligence and AI Consulting.Read More
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224Undisclosed2 - 9 employeesNorwalk, CTSurveys & Forecasts, LLC is a Market Research company. Established in 1994, the firm provides Market Research and BI & big data consulting & SI.Read More
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225Undisclosed2 - 9 employeesNew Haven, CTMarket Research company Demographic Perspectives was founded in 1994. The agency specializes in Market Research and BI & big data consulting & SI, and is small.Read More
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226Undisclosed10 - 49 employeesBethel, CTTranscend Business Solutions, LLC, a custom software development company, is based in Bethel, Connecticut. Their services include Custom Software Development and IT managed services.Read More
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227Undisclosed50 - 249 employeesFairfield, CTDexter Systems, a Conversion Optimization company, is based in Fairfield, Connecticut. Their services include Conversion Optimization and Market Research.Read More
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228Undisclosed2 - 9 employeesWindsor, CTYoyata is a cloud consulting & SI company established in 2019. Their team provides cloud consulting & SI and Mobile App Development.Read More
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229Undisclosed10 - 49 employeesNorth Haven, CTLaunched in 2017, Gismasoft Pvt. Ltd. Is a data analytics company. The team specializes in BI & big data consulting & SI and Custom Software Development.Read More
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230Undisclosed2 - 9 employeesGreenwich, CTDroitCloud, a software development company, was launched in 2009. They focuses on Custom Software Development and cloud consulting & SI.Read More
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231$5,000+250 - 999 employeesNorwalk, CTRead More
Coretelligent is an IT managed services company founded in 2006. The firm specializes in IT managed services, IT strategy consulting, and cloud consulting & SI and has a midsize team. The firm is based in Westwood, Massachusetts; New York, New York; Philadelphia, Pennsylvania and San Carlos, California.
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232$1,000+1,000 - 9,999 employeesDenver, COInsight Global, a big data analytics company, provides BI & big data consulting & SI and cloud consulting & SI. The firm is located in Atlanta, Georgia and Birmingham, Alabama.Read More
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233Undisclosed2 - 9 employeesShelton, CTTrusted AI, an artificial intelligence firm, was founded in 2008. The agency offers Artificial Intelligence and AI Consulting, and is small.Read More
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234Undisclosed2 - 9 employeesGroton, CTDelonti is a cloud consulting & SI company headquartered in Groton, Connecticut. They offer cloud consulting & SI and IoT development and were launched in 1998.Read More
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235Undisclosed2 - 9 employeesRidgefield, CTDefinition3 Media, a media planning & buying company, was established in 2017. The company specializes in Media Planning & Buying and CRM consulting and SI, and is small.Read More
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236Undisclosed2 - 9 employeesAvon, CTSmall SMS Marketing company JAL VISIONARY SOLUTIONS, LLC, is based in Avon, Connecticut. The team focuses on SMS Marketing and Social Media Marketing.Read More
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237Undisclosed2 - 9 employeesNewtown, CTSpartanSoft, Inc. Is a software development company headquartered in Newtown, Connecticut. Their services include Custom Software Development and API Development.Read More
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238Undisclosed2 - 9 employeesFairfield, CTGlumeberg Innovations is a web design agency. The Fairfield, Connecticut-based company was founded in 2016. Their services include Web Design and Video Production.Read More
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239$1,000+50 - 249 employeesGlastonbury, CTFounded in 2018, Assimilate Technologies Pvt. Ltd is an app development firm. The company specializes in Mobile App Development and Web Design.Read More
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240UndisclosedFreelancer employeesWindsor Locks, CTAWR Web Design, LLC, a web design agency, is located in Windsor Locks, Connecticut. Their services include Web Design and Search Engine Optimization.Read More
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