Marketing agencies · Connecticut

Marketing agencies in Stamford, CT

153 agencies in Stamford with phone numbers, 47 with email addresses. Search the list, unlock the ones you want and start calling today.

153
businesses
100%
have a phone number
31%
have an email address (47)
—
average Google rating
Sample

A sample of marketing agencies in Stamford

Twelve of the 153 agencies on the list. Phone numbers and emails unlock in the app — 1 credit per business, both together.

BusinessCategoryRatingWebsitePhoneEmail
2.0 MarketingAdvertising Agency—Yes(203) •••-••••Available
Wheeler & Co., LLCDesign Studio—Yes(203) •••-••••Available
Squarewheel GroupAdvertising Agency—Yes(203) •••-••••Available
Simply SignsAdvertising Agency—Yes(203) •••-••••Available
PQ MediaAdvertising Agency—Yes(203) •••-••••Available
SEO CT ExpertsAdvertising Agency—Yes(860) •••-••••Available
Graphish StudioAdvertising Agency—Yes(203) •••-••••Available
Custom Sign SolutionsAdvertising Agency; Print Store—Yes(203) •••-••••Available
It's Relevant: News, Sports & DealsMedia Agency—Yes(203) •••-••••Available
SlideffectsAdvertising Agency—Yes(203) •••-••••Available
Jones Byrne Margeotes PartnersOffice; Design Studio—Yes(203) •••-••••Available
Taylor DesignDesign Studio—Yes(203) •••-••••Available

Showing 12 of 153. Data refreshed October 2026.

The market

What Stamford's agencies look like

0% of rated agencies here hold 4.5★ or better — there is room for businesses that push for reviews.
0 carry a perfect 5.0★ rating; 153 have no rating yet — prime prospects for review and reputation services.
36 (24%) have no website listed — a ready-made list for web design and SEO offers.
13% link a Facebook or Instagram page from their listing.

Most common listings

  • Advertising Agency93
  • Media Agency27
  • Design Studio11
  • Advertising Agency; Print Store7
  • Business and Strategy Consulting Office2
  • Media Agency; Sports and Recreation2

Area codes

  • (203)144
  • (917)2
  • (475)2
  • (212)1
  • (860)1
  • (347)1
Playbook

How to sell to agencies in Stamford

Marketing, advertising, web design, SEO, PR and video agencies. Most sell to local businesses themselves, so they buy lead lists, tools and white-label services.

Who sells to agencies

  • Lead lists and prospecting data
  • White-label SEO, ads and web development
  • Reporting and CRM software
  • Freelancers and outsourcing

What keeps owners up at night

  • Steady new-client pipeline
  • Client churn
  • Delivery capacity
  • Proving ROI
When to reach themTuesday to Thursday, mid-morning.
The angle that worksPipeline. "Where did your last three clients come from?"
Reaching out in the USB2B cold email is governed by CAN-SPAM: honest headers and subject lines, a physical address and an opt-out you honor. Phone outreach has its own rules, especially for cell phones. Read our CAN-SPAM guide and cold-calling rules before you start.
FAQ

Questions about Stamford agencies leads

How many marketing agencies in Stamford, CT are in the database?
153 marketing agencies in Stamford, CT, as of October 2026. 153 of them have a phone number and 47 have an email address.
How much does it cost to get these leads?
Every account starts with 25 free credits. Unlocking a contact (phone and email together) costs 1 credit. The Starter plan is $39/month for 2,500 credits — about 1.6¢ a contact — so the whole Stamford list of 153 costs less than one month of Starter. See pricing.
Can I export the list to a dialer or CRM?
Yes. Unlocked contacts export to CSV, Excel or JSON with phone, email, website, address, category and rating, ready for any dialer or CRM.
Where does the data come from?
From public business listings — the same information agencies publish so customers can find them — cleaned, de-duplicated by phone number and refreshed regularly. Businesses can ask to be removed at any time.

Start calling Stamford agencies today

25 free credits, no card. Search "marketing agencies in Stamford" and unlock your first 25 contacts.