Discover the leading Connecticut SEO companies offering high-end search engine optimization services to help you land a spot on the first page of Google. Filter through them by average rates, client reviews, team size to select the right team for your business needs and budget.
Best Connecticut SEO Company Rankings
2 Companies-Rankings updated: September 11, 2026
All agencies are evaluated on DesignRush for demonstrated expertise and authentic client reviews to support your decision. Certain placements are paid.
AVX develops ROI-focused custom marketing strategies that deliver results and leverage data to consistently improve campaign performance...
Top Services:
PPC
SEO
Digital Marketing
Email Marketing
Social Media Marketing
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Location
Bridgeport, Connecticut
Number of Employees
Under 49
Average Hourly Rate
$175/hr
Minimal Budget
$10,000 - $25,000
AVX Digital Services
PPC
SEO
Digital Marketing
Email Marketing
Social Media Marketing
Digital Services
Branding
Graphic Design
Web Design
Business Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Children's Health
Credit Associates
Stratford University
Tip Top Tailors
Huron Capital
Plains Capital Bank
Signal Funding
Grafton Apparel
The Apparel Group Ltd.
777 Partners
Data sourced from the agency's DesignRush profile
AVX Digital Reviews & Testimonials
Jerry Huang SVP at Rosetta Stone
5.0★
Digital Services Review from Jerry Huang
AVX Digital does it all and does it well! And even more importantly, we trust them with our business - they spend the time and effort to learn and become our business which helps their marketing campaigns.
Lenirose Espiritu Review from Google
5.0★
Lenirose Espiritu's Review Sourced from Google
Advantix is an excellent and highly reputable digital agency. They have an extremely talented and personable group who are true digital experts that respect companies' strategies and budgets while constantly presenting best in class approaches. Highly recommend!
Paisley Crain Review from Google
1.0★
Paisley Crain's Review Sourced from Google
Horrible experience with this agency. They wasted thousands of dollars on keywords not related to my business, failed to deliver accurate monthly reports, and my website had better SEO results before they started. I was on page 1 for my most important keyword, and am now on page 3 in a six month period. My account was passed on to 3 or 4 separate reps due to employee turnover and I was constantly reeducating people about my company and goals. My business was better off with Reach Local! Thankfully I only signed a 6 month contract, I don't know if my business could have survived an entire year of Advantix induced set backs.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Sōvyn is a full-service public relations, marketing, and communications agency specializing exclusively in healthcare, health tech, biotech, life sciences, and dental tech. The agency helps healthcare organizations build brand visibility, establish thought leadership, and generate business through...
Top Services:
Public Relations
Branding
Video Production
Web Design
SEO
Show more
Location
Stamford, Connecticut
Number of Employees
Under 49
Average Hourly Rate
$199/hr
Minimal Budget
$10,000 - $25,000
Sōvyn Services
Public Relations
Branding
Video Production
Web Design
SEO
Digital Marketing
AEO
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Health Care Industry
Consumer Goods Industry
Real Estate Industry
Data sourced from the agency's DesignRush profile
Sōvyn Reviews & Testimonials
Remy Church Head of Marketing at Celo Health
4.8★
Content Marketing Review from Remy Church
The team at Roketto provided comprehensive support across a wide range of marketing initiatives, including social media management, downloadable lead magnets, landing page development, Google Ads, and more. Throughout the engagement, Quan and Victor were a pleasure to work with, highly communicative, responsive, and attentive to our goals. They consistently delivered high-quality assets that strengthened our overall marketing efforts, enabling us to execute campaigns with confidence. I would highly recommend Roketto to any organization looking for a reliable and capable marketing partner.
Krizhel Ann Canque Review from Google
5.0★
Krizhel Ann Canque's Review Sourced from Google
Beth and the entire KNB Communications team are absolutely incredible! Their dedication to prioritizing their clients' goals and elevating their brand visibility is unmatched. Working alongside them has been nothing short of amazing—their strategic approach to healthcare PR is flawless, and they genuinely feel like a seamless extension of the team. Zero complaints, just pure admiration for their passion and hard work. Highly recommend!
Andy Fountaine Review from Google
5.0★
Andy Fountaine's Review Sourced from Google
I spoke with Beth via their website chat to get some info and she was incredibly helpful and knowledgeable.She understands what it takes to help medical companies grow.Thank you Beth!
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews