Connecticut’s advertising companies focus on crafting compelling messages that resonate with audiences. These firms operate in sectors like branding, digital marketing, public relations, and media buying. Many agencies cater to varying client sizes, from local businesses to global brands, employing creative strategies that effectively engage target demographics. As technology and consumer behavior evolve, the industry is increasingly integrating advanced analytics and data-driven methodologies into their campaigns. Innovative practices such as social media marketing and experiential advertising are on the rise, allowing companies to connect more personally with consumers while optimizing their return on investment.


This list features 19 advertising companies based in Connecticut, showcasing firms that range in size from small teams of fewer than 10 to larger agencies with over 200 staff. These companies were founded as early as 1947 and as recently as 2017, highlighting a blend of experience and modern innovation. Headquarters are primarily located in towns such as Glastonbury, New Haven, and Hartford, with specialties including digital marketing, branding, public relations, and integrated marketing strategies.


Continue reading to discover the top advertising companies in Connecticut.


Top 19 Advertising Companies Companies in Connecticut


1. Cronin

  • Website: cronin-co.com
  • Ownership type: Corporate
  • Headquarters: Glastonbury, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: March 2020
  • Founded year: 1947
  • Headcount: 51-200
  • LinkedIn: cronin-and-company

Cronin, based in Glastonbury, Connecticut, is an advertising agency that has been operating since 1947. The company specializes in integrated marketing strategies, providing a wide range of services that include marketing analytics, creative content development, public relations, and media management. With a team of approximately 85 employees, Cronin serves clients from various sectors, focusing on delivering innovative solutions that enhance brand visibility and audience engagement. Their work spans local, regional, and national clients, showcasing their ability to tackle marketing challenges across different scales. Cronin is also part of AMIN Worldwide, a network of independent agencies, which allows them to leverage global resources for media buying and production. Their commitment to creativity and strategic thinking has earned them recognition in the advertising industry, including awards for their campaigns.


2. CashmanKatz

  • Website: cashmankatz.com
  • Ownership type: Private
  • Headquarters: Glastonbury, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1992
  • Headcount: 11-50
  • LinkedIn: cashmankatz

CashmanKatz, based in Glastonbury, Connecticut, is a marketing agency that has been in operation since 1992. The agency specializes in integrated marketing and advertising services, offering a range of solutions that include branding, digital marketing, public relations, and media buying. Over the years, CashmanKatz has built a reputation for delivering creative and unexpected ideas that help clients engage effectively with their audiences. They serve a mix of clients, from global brands to local businesses, showcasing their ability to tailor strategies to different market needs. The agency prides itself on its collaborative culture and a tight-knit team, which allows for a personalized approach to client service. Their unique model, referred to as 'Octagration,' integrates eight key marketing practices under one roof, enabling them to tackle challenges from multiple angles. This holistic approach has positioned CashmanKatz as a strategic partner for various clients, including well-known names like BIC and Mylanta, as well as public sector organizations such as the Connecticut Department of Transportation.


3. Decker

  • Website: deckerct.com
  • Ownership type: Private
  • Headquarters: Glastonbury, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1977
  • Headcount: 11-50
  • LinkedIn: decker-creative-marketing

Decker is an independent advertising agency based in Glastonbury, Connecticut, with a history spanning over four decades. Founded in 1977, the agency specializes in crafting marketing campaigns that resonate with cultural trends and consumer interests. Their service offerings include advertising, branding, digital marketing, public relations, content production, and more. Decker has collaborated with a range of clients, including government agencies and healthcare providers, demonstrating their capability to navigate various sectors. The agency prides itself on creating work that feels more like entertainment than traditional advertising, aiming to connect with audiences on a deeper level. Their commitment to authenticity and cultural relevance positions them as a noteworthy player in the advertising industry.


4. Mason

  • Website: mason23.com
  • Ownership type: Private
  • Headquarters: Bethany, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1951
  • Headcount: 11-50
  • LinkedIn: mason-inc

Mason, Inc. is an advertising agency based in Bethany, Connecticut, with a history dating back to 1951. The company specializes in creative marketing solutions, public relations, and digital strategies, catering to a range of clients, including healthcare organizations and entertainment venues. Mason focuses on enhancing brand visibility and audience engagement through innovative campaigns and strategic planning. Their service offerings include creative development, media strategy, public relations, and social media management. The agency has received recognition for its work, winning several awards that highlight its effectiveness in delivering impactful marketing solutions. With a dedicated team of 47 employees, Mason continues to adapt to the evolving demands of the advertising industry, ensuring they remain relevant and effective in their approach.


5. Response Marketing

  • Website: response.agency
  • Ownership type: Private Equity
  • Headquarters: New Haven, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: May 2007
  • Founded year: 2002
  • Headcount: 11-50
  • LinkedIn: response-marketing

Response Marketing, founded in 2002 and based in New Haven, Connecticut, is a marketing agency that specializes in strategic marketing services tailored for ambitious brands. With a team of 25 employees, the agency offers a range of services including branding, digital marketing, advertising campaigns, and social media management. Their approach is rooted in strategy, emphasizing the importance of understanding client needs and market dynamics. Response Marketing has worked with various clients, including notable brands like Logitech and Sally's Apizza, showcasing their capability to handle diverse marketing challenges. The agency is also committed to community engagement, exemplified by their mentorship program aimed at exposing high school students to careers in marketing. This initiative reflects their dedication to fostering talent and promoting diversity within the industry.


6. Ryan Marketing

  • Website: ryanmarketing.com
  • Ownership type: Family Owned
  • Headquarters: West Hartford, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1996
  • Headcount: 1-10
  • LinkedIn: ryan-marketing

Ryan Marketing, based in West Hartford, Connecticut, is a family-owned marketing agency that has been serving clients since 1996. The agency specializes in comprehensive marketing solutions, including strategic planning, design, public relations, and social media management. They pride themselves on being true partners to their clients, focusing on tailored strategies that enhance brand presence and effectively connect with target audiences. Their portfolio includes a variety of case studies that highlight successful projects across different industries, demonstrating their capability to adapt and deliver results. With a small team of dedicated professionals, Ryan Marketing emphasizes creativity and strategic thinking in all their endeavors, making them a notable entity in the marketing and advertising industry.


7. GO Agency

  • Website: go-agency.com
  • Ownership type: Private
  • Headquarters: Hartford, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2004
  • Headcount: 11-50
  • LinkedIn: goagencyus

GO Agency is a marketing agency based in Hartford, Connecticut, with an additional office in Atlanta, Georgia. Founded in 2004, the agency specializes in a wide array of marketing and advertising services, including digital marketing, branding, web design, and video production. They cater to a variety of clients, helping them enhance their brand visibility and connect with their audiences through tailored strategies. GO Agency has built a reputation for delivering impactful campaigns, as evidenced by their work with notable clients such as the Naismith Basketball Hall of Fame and the Hospital for Special Care. Their commitment to quality and creativity has earned them recognition, including being ranked as one of the Best Places to Work in Connecticut. With a team of hybrid creative strategists, GO Agency is dedicated to driving results and fostering strong relationships with their clients.


8. Miranda Creative, Inc.

  • Website: mirandacreative.com
  • Ownership type: Private
  • Headquarters: Norwich, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1988
  • Headcount: 11-50
  • LinkedIn: miranda-creative

Miranda Creative, Inc. is a marketing agency based in Norwich, Connecticut, founded in 1988. With a team of approximately 39 employees, the agency offers a comprehensive suite of marketing services, including graphic design, digital marketing, and brand strategy. Over the years, Miranda Creative has built a reputation for fostering strong client relationships and delivering customized marketing solutions that enhance brand visibility and engagement. The agency has worked with a variety of clients across different sectors, showcasing its ability to adapt and meet unique client needs. In 2024, Miranda Creative was honored as Eastern Connecticut’s Small Business of the Year and its founder received recognition as the Small Business Person of the Year by the U.S. Small Business Administration. These awards reflect the agency's commitment to excellence and its impact on the local business community.


9. Adams & Knight

  • Website: adamsknight.com
  • Ownership type: Private
  • Headquarters: Avon, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1988
  • Headcount: 51-200
  • LinkedIn: adams-%26-knight

Adams & Knight, founded in 1988 and based in Avon, Connecticut, is a marketing agency that provides integrated marketing solutions. With a team of 51-200 employees, the agency focuses on advertising, branding, digital marketing, public relations, and video marketing. They serve a variety of sectors, including healthcare, financial services, and travel/lifestyle, helping businesses enhance their brand presence and engage effectively with their target audiences. The agency has a strong emphasis on understanding audience insights to create impactful advertising campaigns. Their work has garnered significant recognition, including 13 Telly Awards in 2024 for their video marketing efforts. Adams & Knight's commitment to storytelling and creative execution positions them as a relevant player in the advertising industry.


10. Moving Pictures Inc.

  • Website: movingpix.com
  • Ownership type: Private
  • Headquarters: Chester, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1992
  • Headcount: 1-10
  • LinkedIn: moving-pictures

Moving Pictures Inc. is a communications agency based in Chester, Connecticut, with a focus on creative messaging and strategic guidance. Founded in 1992, the company has carved out a niche in destination marketing, branded messaging, and broadcast advertising. They serve a variety of sectors, including healthcare and education, and have a reputation for enhancing audience engagement through effective communication strategies. Their work includes experiential communications and visual storytelling, aimed at consumer awareness, training, and donor engagement. With nearly 30 years of experience, Moving Pictures has collaborated with numerous agencies and organizations, earning recognition for their impactful initiatives. They are also recognized as a Native American-owned small business, which adds to their unique positioning in the market.


11. Barrington Media Group


Barrington Media Group, based in Shelton, Connecticut, is a private marketing agency founded in 2003. The company specializes in customer acquisition through data-driven media production and advertising services. With a workforce of around 144 employees, Barrington Media Group operates as a full-funnel customer acquisition platform, delivering scalable results across multiple channels. They focus on optimizing marketing strategies and enhancing conversion rates for their clients. The agency has generated over 250 million daily impressions and manages more than 350 active campaigns across various business verticals. Their approach combines breakthrough creative with strategic media buying, resulting in improved response rates and lead conversions. Barrington Media Group's commitment to analytics and technology-driven solutions has allowed them to adapt and thrive in the competitive advertising landscape.


12. BlueStar Communications Group

  • Website: bluestarcg.com
  • Ownership type: Family Owned
  • Headquarters: Farmington, Connecticut, United States (USA)
  • Founded year: 1971
  • Headcount: 11-50
  • LinkedIn: maier-advertising

BlueStar Communications Group, based in Farmington, Connecticut, is a family-owned marketing agency that has been operational since 1971. Initially founded as Maier Advertising, the company has undergone several transformations, rebranding as BlueStar Communications Group in 2019. This rebranding reflects their commitment to providing high-energy, impactful marketing solutions. The agency specializes in B2B marketing, offering a range of services that include research and strategy, creative content development, branding, web and application development, and full-service digital marketing. With a team that blends seasoned professionals with fresh talent, BlueStar is equipped to tackle the unique challenges of B2B marketing. They have served over 675 clients and completed more than 530 projects, showcasing their extensive experience in the field. Their client portfolio includes well-known companies across various industries, indicating their ability to adapt and deliver tailored marketing solutions. BlueStar's focus on metrics and technology-driven strategies further enhances their relevance in the advertising industry.


13. Sublime Communications


Sublime Communications, based in Stamford, Connecticut, is a marketing agency that specializes in advertising and digital marketing services. Founded in 2016, the company operates as a certified woman-owned business and has a team of 11-50 employees. They offer a variety of services, including media buying, public relations, experiential marketing, and creative content development. Sublime positions itself as an 'un-agency agency,' emphasizing a proactive and dedicated approach to client needs. Their work has garnered recognition, including multiple awards at the CT Ad Club Awards and a feature on Inc. 5000's list. The agency has successfully executed campaigns for clients such as GitLab, McAfee, and Eureka, showcasing their ability to drive brand awareness and engagement across various industries. With a focus on data-driven strategies and innovative marketing solutions, Sublime Communications continues to make its mark in the advertising industry.


14. RMI Direct Marketing

  • Website: rmidirect.com
  • Ownership type: Private
  • Headquarters: Danbury, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1985
  • Headcount: 11-50
  • LinkedIn: rmi-direct-marketing-inc.

RMI Direct Marketing, based in Danbury, Connecticut, is a marketing agency that has been serving clients since 1985. The company specializes in direct and digital marketing, providing a variety of services that include brokerage, management, and creative solutions. RMI Direct Marketing aims to help businesses and nonprofit organizations optimize their marketing strategies and engage effectively with their target audiences. Their approach is characterized by a commitment to understanding client needs and delivering customized marketing solutions. The firm has built a reputation for its expertise in list brokerage and management, which is essential for effective direct mail campaigns. RMI also emphasizes the importance of creative services, ensuring that marketing materials resonate with audiences across various channels. With a dedicated team and a focus on results, RMI Direct Marketing continues to play a significant role in the marketing industry.


15. Zero Gravity Marketing


Zero Gravity Marketing, based in Madison, Connecticut, is a digital marketing agency founded in 2013. The company specializes in a broad spectrum of marketing solutions, including search engine optimization (SEO), pay-per-click (PPC) advertising, social media marketing, and website design. With a team of around 85 professionals, they focus on enhancing online visibility and engagement for businesses across various sectors. Their client portfolio includes notable names such as the Leukemia & Lymphoma Society and Thermo Fisher Scientific, reflecting their capability to handle projects of varying scales and complexities. Zero Gravity Marketing prides itself on its transparent communication and data-driven strategies, which are designed to deliver measurable results for their clients. They also emphasize a collaborative approach, ensuring that their marketing strategies align closely with the unique goals of each client.


16. Unidesign

  • Website: unidesign.com
  • Ownership type: Private
  • Headquarters: Fairfield, Connecticut, United States (USA)
  • Employee distribution: India 100%
  • Founded year: 1997
  • Headcount: 1-10
  • LinkedIn: unidesign

Unidesign, LLC is an advertising agency based in Fairfield, Connecticut, established in 1997. The company specializes in creative design and branding services, offering a range of solutions that include digital marketing, print design, and brand identity development. Unidesign primarily serves businesses looking to enhance their market presence through effective advertising strategies. With a small team of around 21 employees, all located in India, Unidesign focuses on weaving a brand's unique essence into various marketing components. Their approach highlights the importance of a cohesive brand narrative across different platforms, aiming to create compelling and user-friendly experiences. Despite their small size, Unidesign has maintained a presence in the advertising industry for over two decades, adapting to the evolving needs of their clients.


17. Overabove

  • Website: overabove.com
  • Ownership type: Private
  • Headquarters: Chester, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2002
  • Headcount: 11-50
  • LinkedIn: overabove

Overabove is a marketing agency based in Chester, Connecticut, founded in 2002. With a team of 37 employees, the agency focuses on branding, marketing strategies, and audience engagement. They serve a variety of sectors, including gaming, travel, real estate, and education. Overabove offers services such as brand positioning, data analysis, and creative marketing solutions, helping businesses enhance their visibility and customer engagement. Their portfolio includes significant projects for well-known clients like Mohegan Sun and Southland Casino Hotel, showcasing their ability to drive results in competitive markets. The agency prides itself on using big-data audience insights to inform their strategies, ensuring that their clients stand out in crowded industries.


18. Noble House Media Group

  • Website: noblehousemedia.com
  • Ownership type: Family Owned
  • Headquarters: Darien, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 80%, Romania 20%
  • Founded year: 2010
  • Headcount: 11-50
  • LinkedIn: noble-house-media-group

Noble House Media Group, based in Darien, Connecticut, is a family-owned digital marketing agency founded in 2010. With a team of 20 employees, the company specializes in a comprehensive suite of marketing solutions designed to elevate the online presence of its clients. Their services include web design and development, search engine optimization, social media marketing, and email marketing, among others. Noble House has successfully partnered with a variety of businesses and organizations, ranging from small local firms to larger entities, helping them navigate the complexities of digital marketing. Their portfolio reflects a commitment to client success, with numerous case studies highlighting significant improvements in revenue and online engagement for their clients. The agency's focus on results-driven strategies positions them as a relevant player in the advertising industry.


19. Mediate.ly

  • Website: mediate.ly
  • Ownership type: Private
  • Headquarters: Farmington, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2017
  • Headcount: 11-50
  • LinkedIn: mediate-ly

Mediate.ly, founded in 2017 and based in Farmington, Connecticut, is a media agency that specializes in demand generation and paid media services. With a team of 28 employees, the company focuses on providing comprehensive media strategy, planning, and buying solutions tailored to sectors such as healthcare and education. Mediate.ly leverages advanced technology and data-driven insights to help clients optimize their advertising efforts and improve lead generation outcomes. Their approach combines a consultative methodology with vertical specialization, ensuring that they understand the unique challenges faced by their clients. Mediate.ly has established partnerships with significant platforms like Google, where they hold a Premier Partner status, and Roku, enhancing their capabilities in delivering effective advertising solutions. Their work has resulted in impressive outcomes for clients, including substantial increases in digital impressions and engagement metrics, showcasing their effectiveness in the advertising industry.



Advertising Companies Insights: Key Companies in Connecticut


CompanyHeadquarterSizeFoundedOwnership
CroninGlastonbury, Connecticut, United States (USA)51-2001947Corporate
CashmanKatzGlastonbury, Connecticut, United States (USA)11-501992Private
DeckerGlastonbury, Connecticut, United States (USA)11-501977Private
MasonBethany, Connecticut, United States (USA)11-501951Private
Response MarketingNew Haven, Connecticut, United States (USA)11-502002Private Equity
Ryan MarketingWest Hartford, Connecticut, United States (USA)1-101996Family Owned
GO AgencyHartford, Connecticut, United States (USA)11-502004Private
Miranda Creative, Inc.Norwich, Connecticut, United States (USA)11-501988Private
Adams & KnightAvon, Connecticut, United States (USA)51-2001988Private
Moving Pictures Inc.Chester, Connecticut, United States (USA)1-101992Private
Barrington Media GroupShelton, Connecticut, United States (USA)201-5002003Private
BlueStar Communications GroupFarmington, Connecticut, United States (USA)11-501971Family Owned
Sublime CommunicationsStamford, Connecticut, United States (USA)11-502016Private
RMI Direct MarketingDanbury, Connecticut, United States (USA)11-501985Private
Zero Gravity MarketingMadison, Connecticut, United States (USA)51-2002013Private
UnidesignFairfield, Connecticut, United States (USA)1-101997Private
OveraboveChester, Connecticut, United States (USA)11-502002Private
Noble House Media GroupDarien, Connecticut, United States (USA)11-502010Family Owned
Mediate.lyFarmington, Connecticut, United States (USA)11-502017Private


Want to Find More Advertising Companies Companies?

If you want to find more companies that offer branding, digital marketing, public relations, and media buying services you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.

With Inven you'll also get to know the company's:

  • Detailed Ownership: Who owns the company? Is it a public or private company? What is the ownership structure?
  • Contact data: Who are the founders and CEO's? What are their emails and phone numbers?
  • Financials: How do these companies perform financially? What are their revenues and profit margins?

...and a lot more!