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Omnicom Group Headquarters & Office Locations

Verified data Advertising Services 120,000 employees 27 locations worldwide

Headquarters: 280 Park Avenue, New York City, New York 10017, United States

Data last updated · Sourced via GraphIQ

Headquarters
New York City, NY
United States
Total locations
27
across 9+ countries
Employees
120,000
est. 2026

Omnicom Group headquarters details

Street address
280 Park Avenue
City
New York City
State / region
New York
ZIP / postal code
10017
Country
United States
Founded
1986
Stock
NYSE: OMC

All Omnicom Group office locations

27 total
CityState / regionCountryType
New York City HQNew YorkUnited StatesHeadquarters

Showing the headquarters of 27 recorded locations. See every location in GraphIQ →

About Omnicom Group

Omnicom Group (NYSE: OMC) is headquartered in New York City, New York, United States. Founded in 1986, the company has 27 recorded locations across 9+ countries and employs approximately 120,000 people worldwide.

Where is Omnicom Group's main office?

Omnicom Group's main headquarters office is located at 280 Park Avenue, New York City, New York 10017, United States. This is the company's primary corporate address.

Omnicom Group regional offices

Beyond its headquarters in New York City, Omnicom Group has recorded locations in United States, Australia, China, France, Germany, Japan, Spain, The Netherlands and 1 other country.

Omnicom Group contact information

The main switchboard for Omnicom Group headquarters can be reached at +1 212 415 3600. Official website: omnicomgroup.com.

What does Omnicom Group do?

Omnicom Group Inc. operates as a marketing and sales company. The Company offers diverse solutions, including the AI-driven platform for data and analytics, as well as provides services such as advertising, strategic media, CRM, public relations, and specialty communications. Omnicom Group serves clients worldwide.

Frequently asked questions

Where is Omnicom Group headquarters?

Omnicom Group's headquarters is located at 280 Park Avenue, New York City, New York 10017, United States.

How many offices does Omnicom Group have?

GraphIQ records 27 locations for Omnicom Group across 9+ countries, as of October 2026.

What is Omnicom Group's corporate address?

The corporate headquarters address is 280 Park Avenue, New York City, New York 10017, United States.

When was Omnicom Group founded?

Omnicom Group was founded in 1986 and employs approximately 120,000 people.

What is Omnicom Group's phone number?

The main phone number for Omnicom Group headquarters is +1 212 415 3600.

How many employees does Omnicom Group have?

Omnicom Group has approximately 120,000 employees (GraphIQ estimate, 2026).

Is Omnicom Group a public company?

Yes. Omnicom Group is publicly traded on NYSE under the ticker OMC.

Find more info on Omnicom Group using GraphIQ

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