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
Industries
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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
Industries
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121Undisclosed2 - 9 employeesWestport, CTColdfire Inc. Is a branding agency. Their small team is in Westport, Connecticut. Their services include Branding and Email Marketing.Read More
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122Undisclosed2 - 9 employeesNew Haven, CTM//G B2B Marketing is a Marketing Strategy company launched in 1987. The team provides Marketing Strategy and Public Relations and is headquartered in New Haven, Connecticut.Read More
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123Undisclosed2 - 9 employeesSouthbury, CTCreation Advertising & Design is an Email Marketing company founded in 1996. The agency provides Email Marketing and Graphic Design.Read More
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124Undisclosed2 - 9 employeesDanbury, CTEmail Marketing company River Design is headquartered in Danbury, Connecticut. Their services include Email Marketing and Print Design.Read More
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125Undisclosed2 - 9 employeesRidgefield, CTIMG Digital Inc is a branding firm established in 2017. The firm offers Branding and Marketing Strategy, and is small.Read More
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126Undisclosed2 - 9 employeesFairfield, CTEstablished in 2003, Creative Concepts (Fairfield, Connecticut) is a Content Marketing company. Their team provides Content Marketing and Email Marketing.Read More
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127Undisclosed2 - 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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128Undisclosed2 - 9 employeesGlastonbury, CTAstrasnap Development LLC is a small Glastonbury, Connecticut-based SEO services firm. The team focuses on Search Engine Optimization and Web Design.Read More
Industries
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129Undisclosed2 - 9 employeesDarien, CTPublio is a Content Marketing company. In Darien, Connecticut, the agency was launched in 2018. Their services include Content Marketing and Market Research.Read More
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130Undisclosed2 - 9 employeesHartford, CTSmall branding firm Premier Marketing, is based in Hartford, Connecticut. Their services include Branding and Email Marketing.Read More
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131Undisclosed2 - 9 employeesBranford, CTEVisionSEM International is a social media marketing agency headquartered in Branford, Connecticut. Launched in 1998, the team focuses on Social Media Marketing and Conversion Optimization.Read More
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132Undisclosed2 - 9 employeesGreenwich, CTFounded in 2000, Painted Pages Web Design is a small social media marketing firm based in Greenwich, Connecticut. Their team focuses on Social Media Marketing and Content Marketing.Read More
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133$5,000+2 - 9 employeesEssex, CTVoncor Communications is a web design agency. The small Essex, Connecticut-based team focuses on Web Design and Advertising. The firm was launched in 2012.Read More
Industries
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134$5,000+10 - 49 employeesNew Haven, CTGoodFolk is a branding company. Founded in 2015, the firm specializes in Branding and Digital Strategy.Read More
Industries
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135$1,000+Freelancer employeesBranford, CTWeb Design by Connecticut Websites is a web design company. The Branford, Connecticut-based firm was established in 1996. Their team offers Web Design and Search Engine Optimization.Read More
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136Undisclosed10 - 49 employeesBethel, CTBased in Bethel, Connecticut, Deltron Designs is a small SEO services firm. Their services include Search Engine Optimization and Web Design.Read More
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137Undisclosed10 - 49 employeesTolland, CTLESA Video Solutions is a Tolland, Connecticut-based SEO agency and Video Marketing company. They specialize in Search Engine Optimization and Video Marketing and were established in 2010.Read More
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138UndisclosedFreelancer employeesSouthington, CTSouthington Digital Solutions, a Content Marketing company, is in Southington, Connecticut. They specialize in Content Marketing and Search Engine Optimization.Read More
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139$5,000+2 - 9 employeesLitchfield, CTForefront Interactive is a website development company. They are headquartered in Litchfield, Connecticut, and their services include Web Development and Web Design.Read More
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140$1,000+2 - 9 employeesSouthbury, CTEmil Vicale is a Digital Strategy company established in 1990. The firm focuses on Digital Strategy and Web Development, and is small.Read More
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141UndisclosedFreelancer employeesNorth Branford, CTVista Worx Marketing, LLC is a branding agency established in 2024. Their services include Branding and Market Research.Read More
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142Undisclosed2 - 9 employeesNew Fairfield, CTBlue Orchid Marketing is a Digital Strategy company. They were established in 1997 and offer Digital Strategy and Marketing Strategy.Read More
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143Undisclosed2 - 9 employeesBridgeport, CTWalsh PR is a PR company. They are based in Bridgeport, Connecticut, and their services include Public Relations and Branding.Read More
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144Undisclosed2 - 9 employeesStamford, CTFounded in 2015, Schipani PR is a PR company. The small team specializes in Public Relations and Branding.Read More
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145Undisclosed2 - 9 employeesFairfield, CTSix7 Marketing is a Digital Strategy company. They offer Digital Strategy and Marketing Strategy and are in Fairfield, Connecticut.Read More
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146Undisclosed2 - 9 employeesWestport, CTThe Keyword Agency is a small Westport, Connecticut-based SEO agency. Their services include Search Engine Optimization and Advertising.Read More
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147Undisclosed2 - 9 employeesWaterbury, CTLocated in Waterbury, Connecticut, Kangaroo Partners is a small SEO company and web design company. Their services include Search Engine Optimization and Web Design.Read More
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148Undisclosed2 - 9 employeesDanbury, CTEstablished in 2016, ChitChat Marketing LLC is a small SEO agency. Their team offers Search Engine Optimization and Branding.Read More
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149Undisclosed2 - 9 employeesWallingford, CTSmall SEO company and social media marketing company WolfPack Media Group, LLC, is in Wallingford, Connecticut. Their services include Search Engine Optimization and Social Media Marketing.Read More
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150Undisclosed2 - 9 employeesPlainville, CTEstablished in 2007, LionLeaf, LLC is a small Plainville, Connecticut-based SEO services firm. Their services include Search Engine Optimization and Marketing Strategy.Read More
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