> 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/certis/ # Certis A security and investigations organization with 25,000 to 50,000 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:** Certis (certisgroup.com) is a security and investigations organization with 25,000 to 50,000 employees. Its public technology footprint includes Microsoft 365, Microsoft Outlook, Facebook Login and Amazon SES. ## How big is Certis? Certis has 25,000 to 50,000 employees. Among the security and investigation firms 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 Certis. **Figure: Where Certis sits among security and investigation firms.** A strip of dots, one for each of 53 peers in security and investigations, spread from 2,000 to 2,000,000 employees on a log scale. Certis is highlighted and falls in the 25,000 to 50,000 employees range among the largest. *Peers in security and investigations 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 Certis headquartered? Certis is headquartered in Singapore, Singapore. [Companies in Singapore](https://enrich.chat/companies-in/singapore/) ## What industry is Certis in? Certis works in [security and investigations](https://enrich.chat/industries/security-and-investigations/). This group covers guard services, private investigators and physical security firms that protect people, property and assets. Similar organizations on this site: [Bidvest Protea Coin](https://enrich.chat/company/bidvest-protea-coin/), [Grupo Protege](https://enrich.chat/company/grupo-protege/), [Liderman](https://enrich.chat/company/liderman/), [Inter-Con Security](https://enrich.chat/company/inter-con-security/), [Securitas France](https://enrich.chat/company/securitas-france/) and [Securitas Nederland](https://enrich.chat/company/securitas-nederland/). ## What technology does Certis use? We detect 25 tools on Certis's public footprint across 13 categories, for example HubSpot for marketing automation and crm, Melbourne IT for cloud and hosting and SAP SuccessFactors 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 Certis, by category.** A bar chart of how many tools were detected at Certis in each category: Advertising and retargeting 6, Email and productivity 4, Analytics and tracking 3, CDN and security 2, Video and media 2, Marketing automation and CRM 1, Cloud and hosting 1. *Tools detected on the public footprint of Certis, by category.* ### Marketing automation and CRM [HubSpot](https://enrich.chat/companies-using/hubspot/) ### Cloud and hosting [Melbourne IT](https://enrich.chat/companies-using/melbourne-it/) ### HR and recruiting [SAP SuccessFactors](https://enrich.chat/companies-using/successfactors/) ### Identity and authentication [Facebook Login](https://enrich.chat/companies-using/facebook-login/) ### Developer and DevOps tools [Atlassian Cloud](https://enrich.chat/companies-using/atlassian/) ### Email and productivity [Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[Amazon SES](https://enrich.chat/companies-using/amazon-ses/)[SendGrid](https://enrich.chat/companies-using/sendgrid/) ### CDN and security [Amazon Route 53](https://enrich.chat/companies-using/route-53/)[CSC Corporate Domains](https://enrich.chat/companies-using/csc-corporate-domains/) ### Website platforms and CMS [DNN (DotNetNuke)](https://enrich.chat/companies-using/dotnetnuke/) ### Analytics and tracking [Google Tag Manager](https://enrich.chat/companies-using/google-tag-manager/)[Google Analytics](https://enrich.chat/companies-using/google-analytics/)[Hotjar](https://enrich.chat/companies-using/hotjar/) ### 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/)[LinkedIn Marketing Solutions](https://enrich.chat/companies-using/linkedin-marketing-solutions/)[DoubleClick Floodlight](https://enrich.chat/companies-using/doubleclick-floodlight/) ### Video and media [Vimeo](https://enrich.chat/companies-using/vimeo/)[YouTube](https://enrich.chat/companies-using/youtube/) ### Social and widgets [Facebook Widget](https://enrich.chat/companies-using/facebook-widget/) ### Frameworks and libraries [React Redux](https://enrich.chat/companies-using/react-redux/) 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 Certis? Start from the website, certisgroup.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 branch managers, operations directors and business owners. ```text Use www.enrich.chat to find the branch managers, operations directors and business owners at certisgroup.com, with titles and verified work emails ``` Staff addresses follow a known pattern: see the [Certis email format](https://enrich.chat/email-format/certis/). ## Which other companies use the same tools? See who else runs the tools Certis 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 Certis have? Certis is in the 25,000 to 50,000 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 Certis in? Certis works in security and investigations. This group covers guard services, private investigators and physical security firms that protect people, property and assets. ### What technology does Certis use? Tools detected on its public footprint include Microsoft 365, Microsoft Outlook, Facebook Login and Amazon SES, across 13 categories. A detected tool shows it was seen, not what Certis pays for it. ### Where is Certis headquartered? Certis is headquartered in Singapore, Singapore. ### What is the website of Certis? Certis's website is certisgroup.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 Certis ```text Use www.enrich.chat to find the branch managers, operations directors and business owners at certisgroup.com, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Bidvest Protea Coin](https://enrich.chat/company/bidvest-protea-coin/) - [Grupo Protege](https://enrich.chat/company/grupo-protege/) - [Liderman](https://enrich.chat/company/liderman/) - [Inter-Con Security](https://enrich.chat/company/inter-con-security/) - [Securitas France](https://enrich.chat/company/securitas-france/) - [Securitas Nederland](https://enrich.chat/company/securitas-nederland/) - [Chubb Fire & Security Group](https://enrich.chat/company/chubb-fire-and-security-group/) - [Convergint Technologies](https://enrich.chat/company/convergint-technologies/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)