> 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/company/omnicom-media-group/ # Omnicom Media Group A marketing and advertising organization with 50,000 to 100,000 employees. Where it sits among its peers, the technology it runs and how to reach its people. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Omnicom Media Group (omnicommediagroup.com) is a marketing and advertising organization with 50,000 to 100,000 employees. Its public technology footprint includes Microsoft Outlook, Amazon SES, Atlassian Cloud and HubSpot. ## How big is Omnicom Media Group? Omnicom Media Group has 50,000 to 100,000 employees. Among the marketing and advertising agencies on this site it sits among the largest. Each dot in the figure is one of its peers, placed by size; the orange dot is Omnicom Media Group. **Figure: Where Omnicom Media Group sits among marketing and advertising agencies.** A strip of dots, one for each of 120 peers in marketing and advertising, spread from 2,000 to 2,000,000 employees on a log scale. Omnicom Media Group is highlighted and falls in the 50,000 to 100,000 employees range among the largest. *Peers in marketing and advertising placed by employee count on a log scale. Sizes are rounded ranges from public profiles.* Headcount on public company profiles is rounded and moves as a company hires, so use the range as a guide, not as a payroll figure. ## Where is Omnicom Media Group headquartered? Omnicom Media Group is headquartered in New York, New York. [More marketing and advertising agencies in New York](https://enrich.chat/companies-in/new-york/marketing-and-advertising/)[Companies in New York](https://enrich.chat/companies-in/new-york/) ## What industry is Omnicom Media Group in? Omnicom Media Group works in [marketing and advertising](https://enrich.chat/industries/marketing-and-advertising/). This group covers agencies and service firms that plan campaigns, buy media and create advertising for other organizations. Closest matches on this site: [TBWA\Worldwide](https://enrich.chat/company/tbwa-worldwide/), [GroupM](https://enrich.chat/company/groupm/), [VML](https://enrich.chat/company/vml/), [Havas Media Network](https://enrich.chat/company/havas-media-network/), [Ogilvy](https://enrich.chat/company/ogilvy/) and [Stagwell](https://enrich.chat/company/stagwell/). ## What technology does Omnicom Media Group use? We detect 9 tools on Omnicom Media Group's public footprint across 7 categories, for example HubSpot for marketing automation and crm, WP Engine for cloud and hosting and Greenhouse for hr and recruiting. The figure counts the tools in each category; the groups below name them and link to the companies that use each one. **Figure: Tools detected at Omnicom Media Group, by category.** A bar chart of how many tools were detected at Omnicom Media Group in each category: Email and productivity 3, Marketing automation and CRM 1, Cloud and hosting 1, HR and recruiting 1, Developer and DevOps tools 1, CDN and security 1. *Tools detected on the public footprint of Omnicom Media Group, by category.* ### Marketing automation and CRM [HubSpot](https://enrich.chat/companies-using/hubspot/) ### Cloud and hosting [WP Engine](https://enrich.chat/companies-using/wp-engine/) ### HR and recruiting [Greenhouse](https://enrich.chat/companies-using/greenhouse/) ### Developer and DevOps tools [Atlassian Cloud](https://enrich.chat/companies-using/atlassian/) ### Email and productivity [Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[Amazon SES](https://enrich.chat/companies-using/amazon-ses/)[Mailchimp SPF](https://enrich.chat/companies-using/mailchimp-spf/) ### CDN and security [UltraDNS](https://enrich.chat/companies-using/ultradns/) Tools change as companies adopt and drop them. Check a single company at any time with the free [tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/). ## Which companies are most like Omnicom Media Group? These are the closest matches among the marketing and advertising agencies on this site. Each is compared on the business tools it runs (a rarer tool says more than a common one), how close its size is and, when both are known, where it is based. The second column says why it matched and gives its size range. | Company | Why it matches | | --- | --- | | [TBWA\Worldwide](https://enrich.chat/company/tbwa-worldwide/) | Shares WP Engine, Atlassian Cloud and Amazon SES; a smaller company; also based in New York. 10,000 to 25,000 employees | | [GroupM](https://enrich.chat/company/groupm/) | Shares HubSpot, Atlassian Cloud and Amazon SES; a smaller company; also based in New York. 25,000 to 50,000 employees | | [VML](https://enrich.chat/company/vml/) | Shares Greenhouse and Atlassian Cloud; a smaller company; also based in New York. 25,000 to 50,000 employees | | [Havas Media Network](https://enrich.chat/company/havas-media-network/) | Shares HubSpot and Mailchimp SPF; a smaller company; also based in New York. 10,000 to 25,000 employees | | [Ogilvy](https://enrich.chat/company/ogilvy/) | Shares Greenhouse and Atlassian Cloud; a smaller company; also based in New York. 10,000 to 25,000 employees | | [Stagwell](https://enrich.chat/company/stagwell/) | Shares HubSpot and WP Engine; a smaller company; also based in New York. 10,000 to 25,000 employees | | [Havas](https://enrich.chat/company/havas/) | Shares Atlassian Cloud and Mailchimp SPF; a smaller company. 10,000 to 25,000 employees | To build a longer list of accounts like Omnicom Media Group, with the people who run their software, ask your AI agent: ```text Use www.enrich.chat to find marketing and advertising agencies that run Atlassian Cloud and HubSpot, like Omnicom Media Group, and the agency owners, heads of strategy and operations leaders at each, with titles and verified work emails ``` ## How do I find the right people at Omnicom Media Group? Start from the website, omnicommediagroup.com. Enter it in the free email finder with a name, or ask your AI agent for the people in the roles you sell to, such as agency owners, heads of strategy and operations leaders. ```text Use www.enrich.chat to find the agency owners, heads of strategy and operations leaders at omnicommediagroup.com, with titles and verified work emails ``` Staff addresses follow a known pattern: see the [Omnicom Media Group email format](https://enrich.chat/email-format/omnicom-media-group/). ## Which other companies use the same tools? See who else runs the tools Omnicom Media Group uses: [Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[Amazon SES](https://enrich.chat/companies-using/amazon-ses/)[Atlassian Cloud](https://enrich.chat/companies-using/atlassian/)[HubSpot](https://enrich.chat/companies-using/hubspot/)[WP Engine](https://enrich.chat/companies-using/wp-engine/)[Mailchimp SPF](https://enrich.chat/companies-using/mailchimp-spf/) ## Frequently asked questions ### How many employees does Omnicom Media Group have? Omnicom Media Group is in the 50,000 to 100,000 employees range on its public company profile. Headcounts are rounded and change as companies hire, so treat the range as a guide. ### What industry is Omnicom Media Group in? Omnicom Media Group works in marketing and advertising. This group covers agencies and service firms that plan campaigns, buy media and create advertising for other organizations. ### What technology does Omnicom Media Group use? Tools detected on its public footprint include Microsoft Outlook, Amazon SES, Atlassian Cloud and HubSpot, across 7 categories. A detected tool shows it was seen, not what Omnicom Media Group pays for it. ### Where is Omnicom Media Group headquartered? Omnicom Media Group is headquartered in New York, New York. ### What companies are similar to Omnicom Media Group? The closest matches on this site are TBWA\Worldwide, GroupM and VML. They are compared on the business tools they run, their size and where they are based; the profile above lists the reasons. ### What is the website of Omnicom Media Group? Omnicom Media Group's website is omnicommediagroup.com. Staff email usually uses a domain like it, so check the pattern with the free email format finder before you write to anyone. ## Try this prompt Find people at Omnicom Media Group ```text Use www.enrich.chat to find the agency owners, heads of strategy and operations leaders at omnicommediagroup.com, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [TBWA\Worldwide](https://enrich.chat/company/tbwa-worldwide/) - [GroupM](https://enrich.chat/company/groupm/) - [VML](https://enrich.chat/company/vml/) - [Havas Media Network](https://enrich.chat/company/havas-media-network/) - [Ogilvy](https://enrich.chat/company/ogilvy/) - [Stagwell](https://enrich.chat/company/stagwell/) - [Havas](https://enrich.chat/company/havas/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)