> 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/dentsu/ # Dentsu A marketing and advertising organization with 10,000 to 25,000 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:** Dentsu (dentsu.com) is a marketing and advertising organization with 10,000 to 25,000 employees. Its public technology footprint includes Microsoft 365, Microsoft Outlook, Facebook Login and Salesforce. ## How big is Dentsu? Dentsu has 10,000 to 25,000 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 Dentsu. **Figure: Where Dentsu 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. Dentsu is highlighted and falls in the 10,000 to 25,000 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 Dentsu headquartered? Dentsu is headquartered in Minato, Japan. [Companies in Japan](https://enrich.chat/companies-in/japan/) ## What industry is Dentsu in? Dentsu 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. Similar organizations on this site: [Clear Channel Europe](https://enrich.chat/company/clear-channel-europe/), [Havas](https://enrich.chat/company/havas/), [SMS](https://enrich.chat/company/sms/), [Havas Media Network](https://enrich.chat/company/havas-media-network/), [Stagwell](https://enrich.chat/company/stagwell/) and [MNC Group](https://enrich.chat/company/mnc-group/). ## What technology does Dentsu use? We detect 34 tools on Dentsu's public footprint across 15 categories, for example Salesforce for marketing automation and crm, Microsoft Azure Hosting for cloud and hosting and Workday Recruiting 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 Dentsu, by category.** A bar chart of how many tools were detected at Dentsu in each category: Advertising and retargeting 5, Email and productivity 4, Analytics and tracking 3, Video and media 3, Frameworks and libraries 3, Fonts, maps and embeds 3, Marketing automation and CRM 2. *Tools detected on the public footprint of Dentsu, by category.* ### Marketing automation and CRM [Salesforce](https://enrich.chat/companies-using/salesforce/)[Pardot (Account Engagement)](https://enrich.chat/companies-using/pardot/) ### Cloud and hosting [Microsoft Azure Hosting](https://enrich.chat/companies-using/microsoft-azure-hosting/) ### HR and recruiting [Workday Recruiting](https://enrich.chat/companies-using/workday-recruit/) ### Identity and authentication [Facebook Login](https://enrich.chat/companies-using/facebook-login/) ### Data and observability [Segment](https://enrich.chat/companies-using/segment/)[Tableau](https://enrich.chat/companies-using/tableau/) ### Developer and DevOps tools [Atlassian Cloud](https://enrich.chat/companies-using/atlassian/)[Jira](https://enrich.chat/companies-using/jira/) ### Email and productivity [Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[Mailgun (Rackspace)](https://enrich.chat/companies-using/rackspace-mailgun/)[Atlassian Confluence](https://enrich.chat/companies-using/atlassian-confluence/) ### CDN and security [Mimecast](https://enrich.chat/companies-using/mimecast/)[CSC Corporate Domains](https://enrich.chat/companies-using/csc-corporate-domains/) ### Analytics and tracking [Google Tag Manager](https://enrich.chat/companies-using/google-tag-manager/)[Google Analytics](https://enrich.chat/companies-using/google-analytics/)[AT Internet](https://enrich.chat/companies-using/at-internet/) ### Advertising and retargeting [Facebook Custom Audiences](https://enrich.chat/companies-using/facebook-custom-audiences/)[Adobe Media Optimizer](https://enrich.chat/companies-using/adobe-media-optimizer/)[LinkedIn Marketing Solutions](https://enrich.chat/companies-using/linkedin-marketing-solutions/)[StackAdapt](https://enrich.chat/companies-using/stackadapt/)[DoubleVerify](https://enrich.chat/companies-using/doubleverify/) ### Video and media [Vimeo](https://enrich.chat/companies-using/vimeo/)[YouTube](https://enrich.chat/companies-using/youtube/)[Zencoder](https://enrich.chat/companies-using/zencoder/) ### Social and widgets [Facebook Widget](https://enrich.chat/companies-using/facebook-widget/) ### Frameworks and libraries [Vue.js](https://enrich.chat/companies-using/vue-js/)[React Redux](https://enrich.chat/companies-using/react-redux/)[Ruby on Rails](https://enrich.chat/companies-using/ruby-on-rails/) ### Fonts, maps and embeds [Google Maps](https://enrich.chat/companies-using/google-maps/)[Google Maps (non paid)](https://enrich.chat/companies-using/google-maps-non-paid/)[Typekit (Adobe Fonts)](https://enrich.chat/companies-using/typekit/) 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/). ## How do I find the right people at Dentsu? Start from the website, dentsu.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 dentsu.com, with titles and verified work emails ``` Staff addresses follow a known pattern: see the [Dentsu email format](https://enrich.chat/email-format/dentsu/). ## Which other companies use the same tools? See who else runs the tools Dentsu uses: [Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[Vimeo](https://enrich.chat/companies-using/vimeo/)[Facebook Login](https://enrich.chat/companies-using/facebook-login/)[YouTube](https://enrich.chat/companies-using/youtube/)[Facebook Widget](https://enrich.chat/companies-using/facebook-widget/) ## Frequently asked questions ### How many employees does Dentsu have? Dentsu is in the 10,000 to 25,000 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 Dentsu in? Dentsu 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 Dentsu use? Tools detected on its public footprint include Microsoft 365, Microsoft Outlook, Facebook Login and Salesforce, across 15 categories. A detected tool shows it was seen, not what Dentsu pays for it. ### Where is Dentsu headquartered? Dentsu is headquartered in Minato, Japan. ### What is the website of Dentsu? Dentsu's website is dentsu.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 Dentsu ```text Use www.enrich.chat to find the agency owners, heads of strategy and operations leaders at dentsu.com, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Clear Channel Europe](https://enrich.chat/company/clear-channel-europe/) - [Havas](https://enrich.chat/company/havas/) - [SMS](https://enrich.chat/company/sms/) - [Havas Media Network](https://enrich.chat/company/havas-media-network/) - [Stagwell](https://enrich.chat/company/stagwell/) - [MNC Group](https://enrich.chat/company/mnc-group/) - [Quad](https://enrich.chat/company/quad/) - [IPG Mediabrands](https://enrich.chat/company/ipg-mediabrands/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)