> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-in/new-york-ny/advertising-services/

# Advertising Agencies in New York, NY

The bigger advertising agencies headquartered in New York, NY, with what they do, their sizes and how to reach their people.

By Enrich.chat Editorial. Updated October 22, 2026.

**Short answer:** Among the advertising agencies counted in New York, NY, the biggest by headcount range include Mccann Worldgroup, TBWA\Worldwide and Stagwell. They are mostly very small: 68% have 50 or fewer employees.

## Which advertising agencies are in New York?

Among the companies whose public profile lists Advertising Services as their industry and New York, NY as their headquarters, the biggest by headcount range include Mccann Worldgroup, TBWA\Worldwide, Stagwell, VML and Magna Global. Names link to a company profile where we have one.

| Company | Employees |
| --- | --- |
| Mccann Worldgroup | 10,001+ |
| [TBWA\Worldwide](https://enrich.chat/company/tbwa-worldwide/) | 10,001+ |
| [Stagwell](https://enrich.chat/company/stagwell/) | 10,001+ |
| [VML](https://enrich.chat/company/vml/) | 10,001+ |
| Magna Global | 10,001+ |
| [Omnicom Media Group](https://enrich.chat/company/omnicom-media-group/) | 10,001+ |
| [Havas Media Network](https://enrich.chat/company/havas-media-network/) | 5,001 to 10,000 |
| Grey | 5,001 to 10,000 |
| Ddb | 5,001 to 10,000 |
| Bbdo Worldwide | 5,001 to 10,000 |
| Initiative | 5,001 to 10,000 |
| Kinesso | 5,001 to 10,000 |
| Ipg Health | 5,001 to 10,000 |
| Annalect | 5,001 to 10,000 |
| Fcb Global | 5,001 to 10,000 |
| Mktg | 5,001 to 10,000 |
| Yahoo Dsp | 5,001 to 10,000 |
| Comcast Advertising | 5,001 to 10,000 |
| Havas Life | 5,001 to 10,000 |
| [Publicis](https://enrich.chat/company/publicis/) | 1,001 to 5,000 |
| R Ga | 1,001 to 5,000 |
| Razorfish | 1,001 to 5,000 |
| Assembly Global | 1,001 to 5,000 |
| Teads | 1,001 to 5,000 |
| Horizon Media | 1,001 to 5,000 |

The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile.

## What do advertising agencies in New York do?

Advertising Services is a broad label. The most common NAICS codes among them are 541613 (25%), 541810 (24%) and 541511 (6%).

**Figure: What advertising agencies in New York do.** Bars for the share of counted advertising agencies with each code: 541613 25%, 541810 24%, 541511 6%, 541430 4%, 517810 3%.

*Share of counted advertising agencies in New York by their NAICS code.*

[NAICS 541613](https://enrich.chat/naics/541613/)[NAICS 541810](https://enrich.chat/naics/541810/)[NAICS 541511](https://enrich.chat/naics/541511/)[NAICS 541430](https://enrich.chat/naics/541430/)[NAICS 517810](https://enrich.chat/naics/517810/)

## How big are they?

68% of the advertising agencies counted in New York have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted.

**Figure: Size of advertising agencies in New York.** Seven columns for the share of counted advertising agencies in New York in each employee range: 11 to 50 68%, 51 to 200 22%, 201 to 500 5%, 501 to 1,000 2%, 1,001 to 5,000 2%, 5,001 to 10,000 1%, 10,001+ 0%.

*Share of counted advertising agencies in New York in each employee range.*

## How old are they?

Most were founded in the 2010s (50%), then the 2000s (24%).

**Figure: When advertising agencies in New York were founded.** Eight columns for the share of counted advertising agencies in New York founded in each era: Before 1960 2%, 1960s 1%, 1970s 1%, 1980s 3%, 1990s 9%, 2000s 24%, 2010s 50%, 2020s 12%.

*Share of counted advertising agencies in New York by the era they were founded in, for the ones that list a founding year.*

## How do you reach the people at advertising agencies in New York?

The people to talk to are usually agency owners, account and operations leaders. Build the list in three prompts to your AI agent.

### 1. Count them (free)

Counting who matches never uses credits.

```text
Use www.enrich.chat to count the advertising agencies in New York, NY
```

### 2. Find the people (5 credits per person)

Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included.

```text
Use www.enrich.chat to find the agency owners, account and operations leaders at advertising agencies in New York, NY, with their titles
```

### 3. Get their work emails (10 credits each)

An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown.

```text
Use www.enrich.chat to find the work emails for these people and tell me which ones are verified
```

## More to explore

Other industries in New York:

[Financial Services Companies](https://enrich.chat/companies-in/new-york-ny/financial-services/)[Software Companies](https://enrich.chat/companies-in/new-york-ny/software-development/)[IT Services Companies](https://enrich.chat/companies-in/new-york-ny/it-services-and-it-consulting/)[Technology and Internet Companies](https://enrich.chat/companies-in/new-york-ny/technology-information-and-internet/)[Real Estate Companies](https://enrich.chat/companies-in/new-york-ny/real-estate/)[Consulting Firms](https://enrich.chat/companies-in/new-york-ny/business-consulting-and-services/)[Nonprofit Organizations](https://enrich.chat/companies-in/new-york-ny/non-profit-organizations/)[Construction Companies](https://enrich.chat/companies-in/new-york-ny/construction/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/new-york-ny/hospitals-and-health-care/)[Investment Management Firms](https://enrich.chat/companies-in/new-york-ny/investment-management/)[Staffing and Recruiting Firms](https://enrich.chat/companies-in/new-york-ny/staffing-and-recruiting/)[Architecture Firms](https://enrich.chat/companies-in/new-york-ny/architecture-and-planning/)[Law Firms](https://enrich.chat/companies-in/new-york-ny/law-practice/)[Marketing Agencies](https://enrich.chat/companies-in/new-york-ny/marketing-services/)[Public Relations Firms](https://enrich.chat/companies-in/new-york-ny/public-relations-and-communications-services/)[Design Firms](https://enrich.chat/companies-in/new-york-ny/design-services/)[Venture Capital and Private Equity Firms](https://enrich.chat/companies-in/new-york-ny/venture-capital-and-private-equity-principals/)[Legal Services Firms](https://enrich.chat/companies-in/new-york-ny/legal-services/)[Colleges and Universities](https://enrich.chat/companies-in/new-york-ny/higher-education/)[All of New York](https://enrich.chat/companies-in/new-york-ny/)

Advertising Agencies in other cities:

[Los Angeles, CA](https://enrich.chat/companies-in/los-angeles-ca/advertising-services/)[Miami, FL](https://enrich.chat/companies-in/miami-fl/advertising-services/)[Chicago, IL](https://enrich.chat/companies-in/chicago-il/advertising-services/)[Atlanta, GA](https://enrich.chat/companies-in/atlanta-ga/advertising-services/)[San Francisco, CA](https://enrich.chat/companies-in/san-francisco-ca/advertising-services/)[Austin, TX](https://enrich.chat/companies-in/austin-tx/advertising-services/)[Dallas, TX](https://enrich.chat/companies-in/dallas-tx/advertising-services/)[Houston, TX](https://enrich.chat/companies-in/houston-tx/advertising-services/)[San Diego, CA](https://enrich.chat/companies-in/san-diego-ca/advertising-services/)[Denver, CO](https://enrich.chat/companies-in/denver-co/advertising-services/)

## Frequently asked questions

### Which are the biggest advertising agencies in New York?

Among those counted, they include Mccann Worldgroup, TBWA\Worldwide, Stagwell, VML and Magna Global, ranked by headcount range.

### How big are advertising agencies in New York?

68% of those counted have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted.

### Which companies count as advertising services?

Companies whose public profile lists Advertising Services as their industry and whose headquarters are in New York, NY.

## Try this prompt

Find the people at advertising agencies in New York

```text
Use www.enrich.chat to find the agency owners, account and operations leaders at advertising agencies in New York, NY, with titles and verified work emails
```

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- [IT Services Companies in New York](https://enrich.chat/companies-in/new-york-ny/it-services-and-it-consulting/)
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