Where is Omnicom Group headquartered?
In New York, United States.
List of Shell subsidiaries
Shell plc is a multinational energy company headquartered in London, United Kingdom. Founded in 1907, it operates one of the world’s most complex and far-reaching corporate structures, with 6,094 subsidiaries worldwide. This ownership data is part of CompanyData.com’s verified corporate hierarchy database, covering over 380 million companies worldwide.
Shell has 6,094 subsidiaries in 107 countries, with 1,457 in the United Kingdom (23.9%), 1,387 in the United States (22.8%), and 494 in Canada (8.1%). Together, these three countries account for more than half of Shell’s global network and reflect its integrated operations across oil and gas exploration, refining, trading, and energy transition activities.
| Company Name | Country | City | Address 1 | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Omnicom Media Group India Private LIMITED | India | Mumbai | 3rd Floor, Omnicom House, Dah Lane, Opposite Grand Hyatt, Santac | Maharashtra | 400055 | N/A | 1973 | $89,390,449 | 4,614 | Corporation | 1288 | 27AAACR5190H1ZA |
| 2 | Crimson Gti, INC. | USA | Addison | 15303 Dallas Pkwy Ste 300 | Dallas | 75001 | credera.***** | 2018 | $12,584,540 | 300 | Corporation | 1288 | 0156462300 |
| 3 | Bbdo Worldwide INC. | USA | San Francisco | 600 California St Fl 8 | San Francisco | 94108 | bbdosf.***** | N/A | 0 | 233 | 1288 | N/A | |
| 4 | Ddb Worldwide Communications Group LLC | USA | San Francisco | 600 California St Fl 7 | San Francisco | 94108 | chasepr.***** | N/A | 0 | 160 | 1288 | N/A | |
| 5 | Propeller Consulting LLC | USA | Summit | 360 Springfield Ave Ste 301 | Union | 07901 | propellercommunicates.***** | 2021 | $1,189,665 | 120 | Corporation | 1288 | 6503143 |
| 6 | Rapp Worldwide INC. | USA | Los Angeles | 12777 W Jefferson Blvd Bldg C | Los Angeles | 90066 | rapp.***** | N/A | 0 | 110 | 1288 | N/A | |
| 7 | Zimmerman Advertising LLC | USA | Reston | 11911 Freedom Dr | Fairfax County | 20190 | N/A | N/A | 0 | 107 | 1288 | N/A | |
| 8 | M/A/R/C INC. | USA | High Point | 3980 Premier Dr Ste 150 | Guilford | 27265 | marcresearch.***** | N/A | 0 | 100 | 1288 | N/A | |
| 9 | Capstrat LLC | USA | Raleigh | 1201 Edwards Mill Rd Ste 400 | Wake | 27607 | capstrat.***** | 2013 | $2,480,399 | 85 | Corporation | 1288 | 5262897 |
| 10 | Accuen INC. | USA | Chicago | 225 N Michigan Ave Fl 8& | Cook | 60601 | accuenmedia.***** | 2010 | $2,399,461 | 46 | Corporation | 1288 | N/A |
| 11 | Fleishman-Hillard INC. | USA | San Francisco | 720 California St Fl 6 | San Francisco | 94108 | fleishmanhillard.***** | N/A | 0 | 32 | 1288 | N/A | |
| 12 | Phd Media L.L.C. | USA | Atlanta | 1230 Peachtree St Ne 22nd Fl | Fulton | 30309 | N/A | N/A | 0 | 30 | 1288 | 07039398 | |
| 13 | Patients & Purpose LLC | USA | New York City | 200 Varick St Fl 4 | New York | 10014 | patientsandpurpose.***** | 2008 | $2,203,736 | 30 | Proprietorship | 1288 | N/A |
| 14 | Porter Novelli, INC. | USA | Seattle | 1200 Westlake Ave N | King | 98109 | porternovelli.***** | N/A | 0 | 22 | 1288 | N/A | |
| 15 | Omnicom Group Ddb Subholdings INC. | USA | New York City | 437 Madison Ave | New York | 10022 | omnicomgroup.***** | 2001 | $890,653 | 12 | Corporation | 1288 | 3453582 |
| 16 | Flamingo International New York LLC | USA | New York City | 200 Varick St | New York | 10014 | cdmny.***** | 2009 | $868,410 | 9 | Corporation | 1288 | N/A |
| 17 | Omnicom Group INC. | USA | Troy | 888 W Big Beaver Rd Ste 1101 | Newaygo | 48084 | N/A | N/A | 0 | 5 | 1288 | N/A | |
| 18 | Vox Global LLC | USA | Dallas | 1999 Bryan St Ste 2550 | Dallas | 75201 | voxglobal.***** | N/A | 0 | 4 | 1288 | N/A | |
| 19 | Bbdo Worldwide INC. | USA | Boston | 855 Boylston St | Suffolk | 02116 | bbdo.***** | N/A | 0 | 4 | 1288 | N/A | |
| 20 | Mercury Public Affairs LLC | USA | Albany | 194 Washington Ave Ste 420 | Albany | 12210 | N/A | N/A | 0 | 1 | 1288 | N/A | |
| 21 | Phd Media L.L.C. | USA | Troy | 900 Tower Dr Ste 600 | Newaygo | 48098 | N/A | N/A | 0 | 1 | 1288 | N/A | |
| 22 | Omg Digital India Private LIMITED | India | Gurugram | Plot No 32 | Haryana | 122002 | N/A | N/A | 0 | 0 | 1288 | 06AANCA6748F3ZE | |
| 23 | Omnicom Media Group Holdings INC. | USA | New York City | 195 Broadway Fl 8 | New York | 10007 | omnicommediagroup.***** | 2000 | $505,389,458 | 1,420 | Corporation | 1288 | 3291400 |
| 24 | Zimmerman Advertising LLC | USA | Fort Lauderdale | 6600 N Andrews Ave Ste 200 | Broward | 33309 | zadv.***** | 2009 | $184,764,806 | 1,100 | Corporation | 1288 | H88014 |
| 25 | The Integer Group L L C | USA | Denver | 999 18th St | Denver | 80202 | integer.***** | 1993 | $27,262,188 | 805 | Corporation | 1288 | 19931087838 |
| 26 | Optimum Media Direction INC. | USA | New York City | 195 Broadway | New York | 10007 | omd.***** | 1994 | $11,292 | 400 | Corporation | 1288 | 1817201 |
Showing 26 of 1,286 companies
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Omnicom Group’s corporate network is part of a global collection of more than 41 million corporate hierarchies mapped in our company ownership database. It shows how this marketing and communications giant is structured, listing parent companies and subsidiaries with verified data from entities in over 1326 locations across 71 countries. Discover how our data can help you understand Omnicom’s worldwide presence — request your custom sample now.
In New York, United States.
About 1326 subsidiaries in over 60 countries.
Omnicom Group is publicly listed; no single majority shareholder.
Yes. Omnicom Group is incorporated in the USA (company no. 0258968540).
Omnicom Group employs tens of thousands of people worldwide.
Global data. Local insights.
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Corporate family tree
Knowing who owns and controls companies is essential to understanding how they operate globally. Our corporate hierarchy data helps reveal the links between parent companies, subsidiaries, and shareholders, showing the control and setup of any multinational group. Whether you’re studying Omnicom Group or another global company, this insight supports compliance procedures, market analysis, and better CRM management. With verified ownership data on over 380 million companies worldwide, CompanyData.com gives a clear picture of corporate structures across industries and countries.
At CompanyData.com, we map each company – including Omnicom Group – using a clear three-level hierarchy: Global, National, and Local headquarters. This system helps show how each part of the corporate family fits together.
Each entity carries a unique identifier, allowing users to track subsidiaries up to parent companies, trace ownership paths, and integrate data with internal systems.
Control is defined by ownership stakes. When a company owns over 50% of another, it is recorded as a controlled subsidiary. Our database focuses on these majority-owned entities to clearly map corporate hierarchies. This method provides a transparent view of complex structures such as Omnicom Group’s and can be applied universally.
This approach identifies key decision-makers within the Omnicom Group, simplifies legal compliance, and aids in risk management or merger and acquisition analysis. By mapping each entity with verified ownership links, CompanyData.com helps users confidently explore Omnicom’s global structure. With over 1,300 subsidiaries spanning 68 countries including the USA (415), Germany (151), Australia (63), Canada (37), China (38), France (58), and the UK (120), our platform provides clarity to complex international corporate frameworks.

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