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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31$1,000+2 - 9 employeesAvon, CTAD Global,LLC. Is a SEO company. They are based in Avon, Connecticut. Their team offers Search Engine Optimization and Social Media Marketing.Read More
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32$5,000+2 - 9 employeesHamden, CTBrick N Mortar Marketing LLC., a SEO services firm, is based in Hamden, Connecticut. The team specializes in Search Engine Optimization and Web Design.Read More
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33$1,000+50 - 249 employeesStamford, CTRead More
Established in 2012, Iglobalizer is a SEO agency. The firm offers search engine optimization, web design, social media marketing, and graphic design and has a small team.
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34Undisclosed10 - 49 employeesTrumbull, CTTechMark is a social media marketing company. Launched in 2018, the firm provides Social Media Marketing and Search Engine Optimization.Read More
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35$1,000+10 - 49 employeesSprague, CTMarketing A Clinic is a social media marketing agency. Based in Sprague, Connecticut, the agency was launched in 2016. Their services include Social Media Marketing and Search Engine Optimization.Read More
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36$1,000+2 - 9 employeesWaterbury, CTLimeristix is a SEO company headquartered in Waterbury, Connecticut. They offer Search Engine Optimization and Web Design and were established in 2018.Read More
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37$1,000+10 - 49 employeesStamford, CTRead More
Launched in 2016, Upfire SEO is a SEO company. They are headquartered in Stamford, Connecticut and have a small team. The company offers Search Engine Optimization.
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38Undisclosed50 - 249 employeesWest Hartford, CTVelozmatrix is a SEO services firm. They are headquartered in West Hartford, Connecticut, and their services include Search Engine Optimization and Social Media Marketing.Read More
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39Undisclosed2 - 9 employeesStamford, CTOnline Biz Builders is a SEO services firm. Located in Stamford, Connecticut, the company offers Search Engine Optimization and Digital Strategy.Read More
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40$1,000+2 - 9 employeesDanbury, CTMarket Pros International is a small Danbury, Connecticut-based SEO company. Their services include Search Engine Optimization and Social Media Marketing.Read More
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41$5,000+2 - 9 employeesDanbury, CTSmall website development company Plumbers Digital, is located in Danbury, Connecticut. Their services include Web Development and Search Engine Optimization.Read More
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42$5,000+2 - 9 employeesDanbury, CTElectricians Digital is a small web development company in Danbury, Connecticut. Their services include Web Development and Search Engine Optimization.Read More
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43$10,000+50 - 249 employeesShelton, CTBMG360 is a media planning & buying company. The agency is in Shelton, Connecticut. Their team provides Media Planning & Buying and Conversion Optimization.Read More
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44$1,000+2 - 9 employeesWest Hartford, CTSmall website development firm Bee Hexa Branding LLC, is located in West Hartford, Connecticut. The team provides Web Development and Branding.Read More
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45$1,000+2 - 9 employeesBristol, CTSullivan+Wolf Design, LLC, a small web development firm, is headquartered in Bristol, Connecticut. Their services include Web Development and Web Design.Read More
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46$5,000+50 - 249 employeesBridgeport, CTAppearls Technologies is a midsize Bridgeport, Connecticut-based branding agency. Their services include Branding and Search Engine Optimization.Read More
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47$1,000+2 - 9 employeesMadison, CTLocated in Madison, Connecticut, JDP Capital - Digital Marketing is a SEO agency. They provide Search Engine Optimization and Pay Per Click.Read More
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48Undisclosed2 - 9 employeesCheshire, CTPepperland Marketing is a Marketing Strategy company established in 2015. The team offers Marketing Strategy and Content Marketing and is located in Cheshire, Connecticut.Read More
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49Undisclosed2 - 9 employeesClinton, CTThe White Whale is an Advertising company. They are based in Clinton, Connecticut and have small team. They focus on Advertising and Branding.Read More
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50Undisclosed10 - 49 employeesVernon, CTSEO agency TorontoDigits specializes in Search Engine Optimization and Web Design. They were established in 2016.Read More
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51$25,000+10 - 49 employeesBridgeport, CTBob Abbate Marketing, an Advertising company, is headquartered in Bridgeport, Connecticut. They provide Advertising and Media Planning & Buying.Read More
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52$1,000+50 - 249 employeesWaterbury, CTShootOrder is a midsize SEO services firm based in Hyderabad, India and Waterbury, Connecticut. They focus on Search Engine Optimization, Pay Per Click, Social Media Marketing, Content Marketing, and more and were founded in 2013.Read More
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53$1,000+10 - 49 employeesWaterbury, CTEstablished in 2012, Market My Industry is an Email Marketing company. Their services include Email Marketing and Pay Per Click.Read More
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54$1,000+10 - 49 employeesBrookfield, CTAdvertising company Patriotic Distributors was established in 2021. The team focuses on Advertising and Search Engine Optimization and is in Brookfield, Connecticut.Read More
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55Undisclosed2 - 9 employeesColumbia, CTBeyond Digital Marketing is a Content Marketing company. Launched in 2018, the company is based in Columbia, Connecticut. Their team focuses on Content Marketing and Search Engine Optimization.Read More
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56$1,000+2 - 9 employeesBridgeport, CTFounded in 2016, SaaSQL is an Advertising company. Their team focuses on Advertising and Affiliate Marketing.Read More
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57Undisclosed10 - 49 employeesDarien, CTNoble House Media is a Digital Strategy company established in 2010. The team focuses on Digital Strategy and Email Marketing.Read More
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58Undisclosed50 - 249 employeesCheshire, CTEstablished in 2013, Rebellion Group is a midsize Advertising company. Their services include Advertising and Public Relations.Read More
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59$5,000+2 - 9 employeesTorrington, CTJ2H Marketing is an Advertising company. Located in Torrington, Connecticut, the agency was founded in 2013. Their services include Advertising and Social Media Marketing.Read More
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60$5,000+2 - 9 employeesMiddletown, CTMidConn Marketing is a small SEO services firm located in Middletown, Connecticut. Their services include Search Engine Optimization and Marketing Strategy.Read More
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