Best Marketing Services Companies in Connecticut, United States
The 130 best Marketing Services companies in Connecticut, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Townsquare Media.
Ranked: Best Marketing Services companies in Connecticut
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Townsquare Media Digital media and radio advertising company offering local and national solutions | $403M | 134 mo ago | Public | Bill Wilson Chief Executive Officer | 2010 | Apple iCloud MailMicrosoft 365Facebook Login+16 | — | — |
| 2 | Knocking Provider of content and influencer marketing services | $9M | 60 mo ago | Series A | — | 2017 | Wix eCommerceWixSentry+17 | — | — |
| 3 | Synapse Group Partnership marketing company driving revenue and loyalty through tailored customer engagement | $2M | 311 mo ago | Acquired | — | 1991 | WordPressMySQLPHP+13 | 16 patents Patents concentrated in mechanical & energy engineering | — |
| 4 | GoSaga Provider of branding services | $500K | 49 mo ago | Funding Raised | Steve Volkwyn Co-Founder and Director of Franchise Development | 2020 | — | — | — |
| 5 | PlusMedia Provider of digital & direct marketing, advertising and branding services | — | 43 mo ago | Late Stage | — | 1998 | — | — | — |
| 6 | Out of Home America Provider of branding, advertising, printing, and logistic services | — | 135 mo ago | Late Stage | Jon Selame CEO | 1998 | — | — | — |
| 7 | SiriusDecisions B2B research and advisory firm | — | 149 mo ago | Acquired | — | 2001 | — | 10 patents B2B sales and marketing performance analytics and audience‑centric messaging platforms | — |
| 8 | Vertrue Internet display advertiser | — | 226 mo ago | Acquired | Gary Johnson Co-founder & CEO | 1989 | — | — | — |
Top 8 Marketing Services companies in Connecticut
#1
Public · Greenwich, Connecticut · founded 2010 · 2442 employees$402.5Mraised▾
Digital media and radio advertising company offering local and national solutions. The company provides comprehensive advertising solutions across local media, national media, and live events. It offers brands advertising opportunities and downloadable spec sheets for national media campaigns. The company produces live events and offers sponsorship opportunities. Townsquare Interactive provides digital marketing solutions, including search engine optimization, reputation management, social media management, business listings, and web & mobile presence services to help local businesses grow their online presence. The company operates radio stations and national media brands, offering diverse content. It focuses on connecting brands with audiences through various media channels and digital solutions.
- Apr 2015Conventional Debt$302M
- Nov 2013Series C$16.2M
- Jul 2012Series B$15.1M
- Aug 2011Series B$57.2M
#2
Series A · Fairfield, Connecticut · founded 2017 · 21 employees$8.9Mraised▾
Provider of content and influencer marketing services
- Jun 2021Series A$3M
- May 2020Conventional Debt—
- May 2020Series A$2M
- Dec 2019Series A—
#3
Funding Raised · Darien, Connecticut · founded 2020$500Kraised▾
Provider of branding services
- May 2022Conventional Debt$500K
#4
Acquired · Stamford, Connecticut · founded 1991 · 1 employees$2.5Mraised▾
Partnership marketing company driving revenue and loyalty through tailored customer engagement. They build customized solutions that reward customers for shopping, offering exclusive deals on magazines, clubs, and media programs. They enhance loyalty programs with gated rewards and points redemption, creating a revenue stream for partners. Their programs include tailored incentives, custom retail solutions, and branded engagement strategies using AI-powered targeting. They also offer loyalty rewards, charity enrichment, continuity programs, and integrated subscription solutions. They connect publishers with quality subscribers and introduce relevant products to targeted audiences. They are a technology-driven company offering marketing services and solutions to enhance customer acquisition and retention.
- Jun 2000Series A—
- 1996Series A$2.5M
#5
Late Stage · Danbury, Connecticut · founded 1998 · 50 employees—raised▾
Provider of digital & direct marketing, advertising and branding services
- Oct 2022PE—
#6
Late Stage · East Hartford, Connecticut · founded 1998—raised▾
Provider of branding, advertising, printing, and logistic services
#7
Acquired · Wilton, Connecticut · founded 2001 · 350 employees—raised▾
SiriusDecisions is a B2B research and advisory firm which offers actionable intelligence, transformative frameworks and expert guidance to marketing, sales, and product professionals. Provides e-learning solutions through SiriusPathways which contain online courses for professionals. Its Command Center assists clients in performance benchmarking and developing strategies for managing resources. Offers a web-based solution, SiriusTools, for planning, executing and measuring processes related to process design and management, vendor selection and performance assessment. It offers a blog, SiriusPerspectives, which provides information on trending topics. It offers insights on topics such as account-based marketing, channel marketing, channel sales, portfolio marketing, product management, sales enablement and others. Its team of analysts delivers research data to the clients through a subscription-based membership.
- Jan 2014Series A—
#8
Acquired · Norwalk, Connecticut · founded 1989 · 116 employees—raised▾
Vertrue specialises in providing internet direct marketing services. The company offers marketing online affinity and loyalty membership programs. It offers D2C savings, club membership, and loyalty programs on various categories, such as healthcare & cosmetic surgery, security & credit protection services, shopping, personal property, discounts, and foreclosure home sales. The company also provides fee-based consumer pricing services for real estate foreclosures, car auctions, and consumer durables; online dating, relationship opportunity, and social interaction services for adult singles; and lead generation services. Vertrue was founded in 1989, went public in 1996, and was, again, taken private by One Equity Partners in 2007.
- Aug 2007Conventional Debt—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Marketing Services coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.