> 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-using/microsoft-365/marketing-and-advertising/ # Marketing and advertising agencies using Microsoft 365 Microsoft 365 detected at 52% of the marketing and advertising agencies listed here. Who they are, what else they run and how to reach the people behind it. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Microsoft 365 was detected at 52% of the marketing and advertising agencies listed on this site, including WPP, Publicis Groupe, Publicis Re:Sources, GroupM and VML. Below are who they are, the other tools they run and how big they are. ## Which marketing and advertising agencies use Microsoft 365? Microsoft 365 was detected at 52% of the marketing and advertising agencies listed on this site. They include WPP, Publicis Groupe, Publicis Re:Sources, GroupM and VML. The table lists a selection of larger ones in alphabetical order; names link to company profiles. | Company | Size | Tools detected | | --- | --- | --- | | [Clear Channel Europe](https://enrich.chat/company/clear-channel-europe/) | 10,000 to 25,000 | 14 | | [Dentsu](https://enrich.chat/company/dentsu/) | 10,000 to 25,000 | 34 | | Dentsu Creative | 5,000 to 10,000 | 37 | | Dummies Custom Solutions | 10,000 to 25,000 | 50 | | Epsilon | 10,000 to 25,000 | 46 | | [GroupM](https://enrich.chat/company/groupm/) | 25,000 to 50,000 | 37 | | [Havas Media Network](https://enrich.chat/company/havas-media-network/) | 10,000 to 25,000 | 15 | | HH Global | 5,000 to 10,000 | 34 | | Hibu | 5,000 to 10,000 | 53 | | Hogarth | 5,000 to 10,000 | 15 | | IPG Health | 10,000 to 25,000 | 13 | | [IPG Mediabrands](https://enrich.chat/company/ipg-mediabrands/) | 10,000 to 25,000 | 9 | | [JCDecaux](https://enrich.chat/company/jcdecaux/) | 10,000 to 25,000 | 14 | | Jobmedic.co.uk | 5,000 to 10,000 | 15 | | [McCann Worldgroup](https://enrich.chat/company/mccann-worldgroup/) | 10,000 to 25,000 | 14 | | MediaCom | 5,000 to 10,000 | 21 | | Mindshare | 10,000 to 25,000 | 12 | | [MNC Group](https://enrich.chat/company/mnc-group/) | 10,000 to 25,000 | 6 | | Monks | 5,000 to 10,000 | 35 | | [Ogilvy](https://enrich.chat/company/ogilvy/) | 10,000 to 25,000 | 24 | | [Publicis Groupe](https://enrich.chat/company/publicis-groupe/) | 100,000+ | 18 | | [Publicis Re:Sources](https://enrich.chat/company/publicis-re-sources/) | 50,000 to 100,000 | 5 | | [Quad](https://enrich.chat/company/quad/) | 10,000 to 25,000 | 38 | | SGK | 5,000 to 10,000 | 18 | | [SMS](https://enrich.chat/company/sms/) | 10,000 to 25,000 | 9 | | [Stagwell](https://enrich.chat/company/stagwell/) | 10,000 to 25,000 | 42 | | [VML](https://enrich.chat/company/vml/) | 25,000 to 50,000 | 17 | | Wavemaker | 5,000 to 10,000 | 21 | | [WPP](https://enrich.chat/company/wpp/) | 100,000+ | 14 | | Zenith | 5,000 to 10,000 | 14 | ## What else do marketing and advertising agencies that use Microsoft 365 run? These tools stand out among them: each is detected more often here than across all the organizations listed. The tick on each bar marks that wider average. **Figure: Tools found with Microsoft 365 at marketing and advertising agencies.** Bars for the share of marketing and advertising agencies using Microsoft 365 where each other tool was also detected: Atlassian Cloud 33%, HubSpot 24%, Pardot (Account Engagement) 23%, Mailchimp SPF 20%, Greenhouse 15%, WP Engine 14%, Render 12%, Webflow 11%. *Share of marketing and advertising agencies using Microsoft 365 where each other tool was also detected. The tick marks the share across all listed organizations.* ## How big are marketing and advertising agencies that use Microsoft 365? The columns show how these marketing and advertising agencies spread across six size ranges. **Figure: Size of marketing and advertising agencies using Microsoft 365.** Six columns for the share of marketing and advertising agencies using Microsoft 365 in each size range from 2,000 to over 100,000 employees: 2-5K 52%, 5-10K 18%, 10-25K 23%, 25-50K 3%, 50-100K 2%, 100K+ 3%. *Share of marketing and advertising agencies using Microsoft 365 in each size range.* ## More from Marketing and advertising and Microsoft 365 Other tools in marketing and advertising: [Google Tag Manager](https://enrich.chat/companies-using/google-tag-manager/marketing-and-advertising/)[Google Analytics](https://enrich.chat/companies-using/google-analytics/marketing-and-advertising/)[WordPress (self-hosted)](https://enrich.chat/companies-using/wordpress-org/marketing-and-advertising/)[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/marketing-and-advertising/)[Vimeo](https://enrich.chat/companies-using/vimeo/marketing-and-advertising/)[LinkedIn Marketing Solutions](https://enrich.chat/companies-using/linkedin-marketing-solutions/marketing-and-advertising/)[AWS](https://enrich.chat/companies-using/aws/marketing-and-advertising/)[YouTube](https://enrich.chat/companies-using/youtube/marketing-and-advertising/)[Salesforce](https://enrich.chat/companies-using/salesforce/marketing-and-advertising/)[Facebook Login](https://enrich.chat/companies-using/facebook-login/marketing-and-advertising/) Other industries that use Microsoft 365: [Information technology and services](https://enrich.chat/companies-using/microsoft-365/information-technology-and-services/)[Hospitals and health care](https://enrich.chat/companies-using/microsoft-365/hospitals-and-health-care/)[Retail](https://enrich.chat/companies-using/microsoft-365/retail/)[Financial services](https://enrich.chat/companies-using/microsoft-365/financial-services/)[Government administration](https://enrich.chat/companies-using/microsoft-365/government-administration/)[Higher education](https://enrich.chat/companies-using/microsoft-365/higher-education/)[Banking](https://enrich.chat/companies-using/microsoft-365/banking/)[Insurance](https://enrich.chat/companies-using/microsoft-365/insurance/)[Automotive](https://enrich.chat/companies-using/microsoft-365/automotive/)[Construction](https://enrich.chat/companies-using/microsoft-365/construction/) ## How do you reach the people who run Microsoft 365 at marketing and advertising agencies? Microsoft 365 is usually owned by IT and security leaders. Pick an organization from the table, then ask your AI agent for them. ```text Use www.enrich.chat to find agency owners, heads of strategy and operations leaders at [company], with titles and verified work emails ``` ## Frequently asked questions ### Which marketing and advertising agencies use Microsoft 365? Microsoft 365 was detected at 52% of the marketing and advertising agencies listed here, including WPP, Publicis Groupe, Publicis Re:Sources, GroupM and VML. ### What else do marketing and advertising agencies that use Microsoft 365 run? They most often also run Atlassian Cloud, HubSpot, Pardot (Account Engagement) and Mailchimp SPF. ### How is Microsoft 365 detected? From public signals: code and tags on a company's website, HTTP headers and DNS records. A detected tool shows it was seen, not what the company pays for it. ### Who should I contact? Usually IT and security leaders for the tool, and agency owners, heads of strategy and operations leaders for the buying decision. Ask your AI agent to use www.enrich.chat to find them with verified work emails. ## Try this prompt Find the people who run Microsoft 365 ```text Use www.enrich.chat to find agency owners, heads of strategy and operations leaders at [company], with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Marketing and advertising agencies using Google Tag Manager](https://enrich.chat/companies-using/google-tag-manager/marketing-and-advertising/) - [Marketing and advertising agencies using Google Analytics](https://enrich.chat/companies-using/google-analytics/marketing-and-advertising/) - [Marketing and advertising agencies using WordPress (self-hosted)](https://enrich.chat/companies-using/wordpress-org/marketing-and-advertising/) - [Marketing and advertising agencies using Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/marketing-and-advertising/) - [Software and technology services companies using Microsoft 365](https://enrich.chat/companies-using/microsoft-365/information-technology-and-services/) - [Hospitals and health systems using Microsoft 365](https://enrich.chat/companies-using/microsoft-365/hospitals-and-health-care/) - [Retailers using Microsoft 365](https://enrich.chat/companies-using/microsoft-365/retail/) - [Financial services firms using Microsoft 365](https://enrich.chat/companies-using/microsoft-365/financial-services/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)