> 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/seo/ # SEO A marketing and advertising organization with 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:** SEO (seo.com.au) is a marketing and advertising organization with 100,000+ employees. Its public technology footprint includes Facebook Login, Gmail and Google Workspace. ## How big is SEO? SEO has 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 SEO. **Figure: Where SEO 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. SEO is highlighted and falls in the 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 SEO headquartered? SEO is headquartered in Melbourne, Australia. [Companies in Australia](https://enrich.chat/companies-in/australia/) ## What industry is SEO in? SEO 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: [WPP](https://enrich.chat/company/wpp/), [Publicis](https://enrich.chat/company/publicis/), [Publicis Groupe](https://enrich.chat/company/publicis-groupe/), [Publicis Re:Sources](https://enrich.chat/company/publicis-re-sources/), [Omnicom](https://enrich.chat/company/omnicom/) and [Omnicom Media Group](https://enrich.chat/company/omnicom-media-group/). ## What technology does SEO use? We detect 11 tools on SEO's public footprint across 6 categories, for example Facebook Login for identity and authentication, Gmail for email and productivity and Amazon Route 53 for cdn and security. 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 SEO, by category.** A bar chart of how many tools were detected at SEO in each category: Advertising and retargeting 4, Email and productivity 2, Analytics and tracking 2, Identity and authentication 1, CDN and security 1, Social and widgets 1. *Tools detected on the public footprint of SEO, by category.* ### Identity and authentication [Facebook Login](https://enrich.chat/companies-using/facebook-login/) ### Email and productivity [Gmail](https://enrich.chat/companies-using/gmail/)[Google Workspace](https://enrich.chat/companies-using/google-workspace/) ### CDN and security [Amazon Route 53](https://enrich.chat/companies-using/route-53/) ### Analytics and tracking [Google Tag Manager](https://enrich.chat/companies-using/google-tag-manager/)[Google Analytics](https://enrich.chat/companies-using/google-analytics/) ### Advertising and retargeting [Facebook Custom Audiences](https://enrich.chat/companies-using/facebook-custom-audiences/)[DoubleClick](https://enrich.chat/companies-using/doubleclick/)[DoubleClick Conversion Tracking](https://enrich.chat/companies-using/doubleclick-conversion/)[Google Dynamic Remarketing](https://enrich.chat/companies-using/google-dynamic-remarketing/) ### Social and widgets [Facebook Widget](https://enrich.chat/companies-using/facebook-widget/) 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 SEO? Start from the website, seo.com.au. 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 seo.com.au, with titles and verified work emails ``` Not sure how addresses are written at SEO? The free [email format finder](https://enrich.chat/tools/email-format-finder/) shows the pattern for seo.com.au. ## Which other companies use the same tools? See who else runs the tools SEO uses: [Facebook Login](https://enrich.chat/companies-using/facebook-login/)[Facebook Widget](https://enrich.chat/companies-using/facebook-widget/)[Facebook Custom Audiences](https://enrich.chat/companies-using/facebook-custom-audiences/)[DoubleClick](https://enrich.chat/companies-using/doubleclick/)[DoubleClick Conversion Tracking](https://enrich.chat/companies-using/doubleclick-conversion/)[Google Dynamic Remarketing](https://enrich.chat/companies-using/google-dynamic-remarketing/) ## Frequently asked questions ### How many employees does SEO have? SEO is in the 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 SEO in? SEO 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 SEO use? Tools detected on its public footprint include Facebook Login, Gmail and Google Workspace, across 6 categories. A detected tool shows it was seen, not what SEO pays for it. ### Where is SEO headquartered? SEO is headquartered in Melbourne, Australia. ### What is the website of SEO? SEO's website is seo.com.au. 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 SEO ```text Use www.enrich.chat to find the agency owners, heads of strategy and operations leaders at seo.com.au, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [WPP](https://enrich.chat/company/wpp/) - [Publicis](https://enrich.chat/company/publicis/) - [Publicis Groupe](https://enrich.chat/company/publicis-groupe/) - [Publicis Re:Sources](https://enrich.chat/company/publicis-re-sources/) - [Omnicom](https://enrich.chat/company/omnicom/) - [Omnicom Media Group](https://enrich.chat/company/omnicom-media-group/) - [GroupM](https://enrich.chat/company/groupm/) - [VML](https://enrich.chat/company/vml/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)