Top 100 SEO Companies in Connecticut
The Best of December 2025Looking for a top SEO firm in Connecticut?
Compare top-performing SEO agencies to see which may be the best fit for your business goals. Whether you're seeking to improve your ranking in search engine results pages, boost website traffic, or show up in local search results, investing in SEO is important for business growth.
To assist you in your search for a partner, we’ve compiled this list of the top SEO companies in Connecticut. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Connecticut SEO Firms
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$1,000+50 - 249 employeesSan Antonio, TXFunnel Boost Media is a SEO company. They are located in San Antonio, Texas; Doral, Florida; Boston, Massachusetts and San Francisco, California and have a midsize team that focuses on Search Engine Optimization, Advertising, Pay Per Click, and Web Design. The agency was launched in 2012.Read More
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$1,000+10 - 49 employeesNew York, NYSEO company NuStream is in New York, New York; Philadelphia, Pennsylvania and Allentown, Pennsylvania. They provide Search Engine Optimization, Web Design, Digital Strategy, and Video Production and were established in 2010.Read More
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91Undisclosed50 - 249 employeesWestport, CTFerocious Digital is a social media marketing firm launched in 2009. The agency specializes in Social Media Marketing and Search Engine Optimization, and is midsize.Read More
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92Undisclosed50 - 249 employeesManchester, CTDTG LLC is a social media marketing firm. Based in Manchester, Connecticut, the agency specializes in Social Media Marketing and Content Marketing.Read More
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93Undisclosed50 - 249 employeesMadison, CTEstablished in 1999, drinkcaffeine, a midsize branding company, is based in Madison, Connecticut. Their team provides Branding and Social Media Marketing.Read More
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94Undisclosed2 - 9 employeesRocky Hill, CTAD Global LLC, a SEO services firm, provides Search Engine Optimization and Social Media Marketing. The firm is located in Rocky Hill, Connecticut.Read More
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95Undisclosed2 - 9 employeesFarmington, CTHiPower Web SEO is a SEO services firm. The Farmington, Connecticut-based team offers Search Engine Optimization.Read More
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96Undisclosed2 - 9 employeesCoventry, CTThe Mullen Hill Firm is a SEO company. The small Coventry, Connecticut-based team specializes in Search Engine Optimization. The agency was founded in 2011.Read More
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97Undisclosed2 - 9 employeesStamford, CTDO Digital Design, a SEO services firm, is based in Stamford, Connecticut. The team provides Search Engine Optimization.Read More
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98Undisclosed2 - 9 employeesGuilford, CTChiro Media Pro is a SEO agency. They are located in Guilford, Connecticut and have small team. Their team offers Search Engine Optimization.Read More
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99Undisclosed2 - 9 employeesWaterbury, CTBMA Marketing is a Waterbury, Connecticut-based Advertising company. Launched in 2007, the team focuses on Advertising and Branding.Read More
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100Undisclosed2 - 9 employeesDarien, CTFounded in 2014, 203 Marketing is a SEO company. Their team specializes in Search Engine Optimization and Pay Per Click.Read More
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101$1,000+Freelancer employeesMilford, CTVade Mecum Marketing is a SEO company. They are based in Milford, Connecticut. Their team offers Search Engine Optimization and Pay Per Click.Read More
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102$5,000+10 - 49 employeesNew Haven, CTRead More
Cloud IT Guru is an software development company based in New Haven, Conn., with an office in Visakhapatnam, India. The company, founded in 2011, has a team of less than ten that provides, among others, mobile app development, custom software development, and digital strategy services to small and midmarket companies and institutions.
Clients
Go4erIndustries
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103Undisclosed2 - 9 employeesDanbury, CTJLB Digital Consulting, LLC is a small Danbury, Connecticut-based SEO agency. Their services include Search Engine Optimization and UX/UI Design.Read More
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104Undisclosed10 - 49 employeesBridgeport, CTAmerican View Productions is a branding firm founded in 1984. The company specializes in Branding and Public Relations, and is small.Read More
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105Undisclosed10 - 49 employeesAvon, CTConquest is an app development company. Located in Avon, Connecticut, the firm specializes in Mobile App Development and Search Engine Optimization.Read More
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106Undisclosed10 - 49 employeesNorwalk, CTMarketGoal, LLC is a mobile app development company. Founded in 2006, the company is headquartered in Norwalk, Connecticut. Their services include Mobile App Development and Pay Per Click.Read More
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107Undisclosed10 - 49 employeesNewington, CTSocial media marketing agency Imagine It Consulting, Inc was launched in 2008. The team focuses on Social Media Marketing and Search Engine Optimization and is located in Newington, Connecticut.Read More
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108Undisclosed10 - 49 employeesWatertown, CTFounded in 2021, DTKL Culture is a social media marketing company. The firm focuses on Social Media Marketing and Search Engine Optimization, and is small.Read More
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109Undisclosed10 - 49 employeesFairfield, CTSocial media marketing firm 2ROCK1 Media is in Fairfield, Connecticut. They focus on Social Media Marketing and Email Marketing and were launched in 2014.Read More
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110Undisclosed10 - 49 employeesHartford, CTOh Ya Media is a social media marketing agency. The Hartford, Connecticut-based firm was established in 2015. Their services include Social Media Marketing and Content Marketing.Read More
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111$1,000+2 - 9 employeesWeston, CTShared Audiences is a PPC agency. The team is located in Weston, Connecticut, and their services include Pay Per Click and Search Engine Optimization.Read More
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112Undisclosed2 - 9 employeesNorwalk, CTAK Design House is a graphic design agency. Their small team is located in Norwalk, Connecticut. Their team provides Graphic Design and Search Engine Optimization.Read More
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113Undisclosed2 - 9 employeesRedding, CTGYBO Digital Marketing is a SEO agency. Their small team of employees is based in Redding, Connecticut. Their team offers Search Engine Optimization and Web Development.Read More
Clients
WingsOver Pryor Learning New York University Sploot VetsIndustries
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114Undisclosed10 - 49 employeesGuilford, CTSmall Digital Strategy company Mediaboom, is based in Guilford, Connecticut. The team specializes in Digital Strategy and Content Marketing.Read More
Industries
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115Undisclosed250 - 999 employeesWest Hartford, CTREVA Global LLC, a telephone answering service, was founded in 2014. The firm specializes in Call Center Services and Back Office Outsourcing.Read More
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116Undisclosed2 - 9 employeesNorwalk, CTLaunched in 2008, Expert SEO Consulting is a small Norwalk, Connecticut-based SEO agency. Their team specializes in Search Engine Optimization and Pay Per Click.Read More
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117Undisclosed2 - 9 employeesWallingford, CTSeodynamix is a SEO services firm headquartered in Wallingford, Connecticut. They focus on Search Engine Optimization and E-Commerce Development and were launched in 2021.Read More
Industries
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118Undisclosed2 - 9 employeesGlastonbury, CTConnecticut SEO Experts is a SEO services firm. Their small team is headquartered in Glastonbury, Connecticut. Their services include Search Engine Optimization and Pay Per Click.Read More
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119Undisclosed2 - 9 employeesHamden, CTSmall SEO agency Spider Gourmet, is headquartered in Hamden, Connecticut. Their services include Search Engine Optimization and Content Marketing.Read More
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120$1,000+2 - 9 employeesBristol, CTSocial media marketing company CAM Marketing Group was launched in 2014. The company offers Social Media Marketing and Search Engine Optimization.Read More
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