> 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/gmail/marketing-and-advertising/ # Marketing and advertising agencies using Gmail Gmail detected at 31% 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:** Gmail was detected at 31% of the marketing and advertising agencies listed on this site, including SEO, Stagwell, Epsilon, Other.™ and HH Global. Below are who they are, the other tools they run and how big they are. ## Which marketing and advertising agencies use Gmail? Gmail was detected at 31% of the marketing and advertising agencies listed on this site. They include SEO, Stagwell, Epsilon, Other.™ and HH Global. The table lists a selection of larger ones in alphabetical order; names link to company profiles. | Company | Size | Tools detected | | --- | --- | --- | | Affiliate Marketing | 2,000 to 5,000 | 4 | | AffinityX | 2,000 to 5,000 | 21 | | Almacén | 5,000 to 10,000 | 16 | | Best Version Media | 2,000 to 5,000 | 19 | | DEPT® | 2,000 to 5,000 | 41 | | Epsilon | 10,000 to 25,000 | 46 | | FIRMA | 2,000 to 5,000 | 12 | | Gratafy | 2,000 to 5,000 | 8 | | Grow More Advertising Agency | 2,000 to 5,000 | 13 | | HH Global | 5,000 to 10,000 | 34 | | Individual | 2,000 to 5,000 | 14 | | Iris | 2,000 to 5,000 | 33 | | Klaviyo | 2,000 to 5,000 | 161 | | Lamar Advertising | 2,000 to 5,000 | 41 | | Marketing Mind | 2,000 to 5,000 | 20 | | MCI | 2,000 to 5,000 | 21 | | MediaCom | 5,000 to 10,000 | 21 | | Monks | 5,000 to 10,000 | 35 | | Other.™ | 5,000 to 10,000 | 11 | | PHD | 5,000 to 10,000 | 18 | | Project Worldwide | 2,000 to 5,000 | 17 | | Real Chemistry | 2,000 to 5,000 | 34 | | Residencia | 2,000 to 5,000 | 7 | | Salesland | 2,000 to 5,000 | 15 | | [SEO](https://enrich.chat/company/seo/) | 100,000+ | 11 | | SGS & Co | 5,000 to 10,000 | 22 | | [Stagwell](https://enrich.chat/company/stagwell/) | 10,000 to 25,000 | 42 | | SwissMarketLab | 2,000 to 5,000 | 4 | | V4 Company | 2,000 to 5,000 | 7 | | XDBS Worldwide | 2,000 to 5,000 | 9 | ## What else do marketing and advertising agencies that use Gmail 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 Gmail at marketing and advertising agencies.** Bars for the share of marketing and advertising agencies using Gmail where each other tool was also detected: Google Workspace 100%, Google Cloud Hosting 22%, Mailchimp SPF 22%, Squarespace Commerce 15%, Greenhouse 12%, Freshdesk 10%, SharePoint 10%, Webflow 10%. *Share of marketing and advertising agencies using Gmail 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 Gmail? The columns show how these marketing and advertising agencies spread across six size ranges. **Figure: Size of marketing and advertising agencies using Gmail.** Six columns for the share of marketing and advertising agencies using Gmail in each size range from 2,000 to over 100,000 employees: 2-5K 75%, 5-10K 18%, 10-25K 5%, 25-50K 0%, 50-100K 0%, 100K+ 2%. *Share of marketing and advertising agencies using Gmail in each size range.* ## More from Marketing and advertising and Gmail 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/)[Microsoft 365](https://enrich.chat/companies-using/microsoft-365/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/) Other industries that use Gmail: [Information technology and services](https://enrich.chat/companies-using/gmail/information-technology-and-services/)[Higher education](https://enrich.chat/companies-using/gmail/higher-education/)[Retail](https://enrich.chat/companies-using/gmail/retail/)[Government administration](https://enrich.chat/companies-using/gmail/government-administration/)[Financial services](https://enrich.chat/companies-using/gmail/financial-services/)[Hospitals and health care](https://enrich.chat/companies-using/gmail/hospitals-and-health-care/)[Primary and secondary education](https://enrich.chat/companies-using/gmail/primary-and-secondary-education/)[Automotive](https://enrich.chat/companies-using/gmail/automotive/)[Health, wellness and fitness](https://enrich.chat/companies-using/gmail/health-wellness-and-fitness/)[Nonprofit organization management](https://enrich.chat/companies-using/gmail/nonprofit-organization-management/) ## How do you reach the people who run Gmail at marketing and advertising agencies? Gmail 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 Gmail? Gmail was detected at 31% of the marketing and advertising agencies listed here, including SEO, Stagwell, Epsilon, Other.™ and HH Global. ### What else do marketing and advertising agencies that use Gmail run? They most often also run Google Workspace, Google Cloud Hosting, Mailchimp SPF and Squarespace Commerce. ### How is Gmail 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 Gmail ```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 Gmail](https://enrich.chat/companies-using/gmail/information-technology-and-services/) - [Colleges and universities using Gmail](https://enrich.chat/companies-using/gmail/higher-education/) - [Retailers using Gmail](https://enrich.chat/companies-using/gmail/retail/) - [Government agencies using Gmail](https://enrich.chat/companies-using/gmail/government-administration/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)