> 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/kelly-services/ # Kelly Services A staffing and recruiting 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:** Kelly Services (kellyservices.com) is a staffing and recruiting organization with 10,000 to 25,000 employees. Its public technology footprint includes Microsoft 365, Microsoft Outlook, Facebook Login and New Relic. ## How big is Kelly Services? Kelly Services has 10,000 to 25,000 employees. Among the staffing and recruiting firms on this site it sits in the larger half. Each dot in the figure is one of its peers, placed by size; the orange dot is Kelly Services. **Figure: Where Kelly Services sits among staffing and recruiting firms.** A strip of dots, one for each of 118 peers in staffing and recruiting, spread from 2,000 to 2,000,000 employees on a log scale. Kelly Services is highlighted and falls in the 10,000 to 25,000 employees range in the larger half. *Peers in staffing and recruiting 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 Kelly Services headquartered? Kelly Services is headquartered in Troy, Michigan. [Companies in Michigan](https://enrich.chat/companies-in/michigan/) ## What industry is Kelly Services in? Kelly Services works in [staffing and recruiting](https://enrich.chat/industries/staffing-and-recruiting/). This group covers agencies and search firms that place temporary, contract and permanent workers with employers. Similar organizations on this site: [Allegis Group](https://enrich.chat/company/allegis-group/), [Maxim Healthcare Staffing](https://enrich.chat/company/maxim-healthcare-staffing/), [Aerotek](https://enrich.chat/company/aerotek/), [Amergis Healthcare Staffing](https://enrich.chat/company/amergis-healthcare-staffing/), [RGF Staffing NL](https://enrich.chat/company/rgf-staffing-nl/) and [Gi Group](https://enrich.chat/company/gi-group/). ## What technology does Kelly Services use? We detect 33 tools on Kelly Services's public footprint across 10 categories, for example HubSpot for marketing automation and crm, Facebook Login for identity and authentication and New Relic for data and observability. 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 Kelly Services, by category.** A bar chart of how many tools were detected at Kelly Services in each category: Advertising and retargeting 10, Marketing automation and CRM 4, Video and media 4, Email and productivity 3, Analytics and tracking 3, Identity and authentication 2, Data and observability 2. *Tools detected on the public footprint of Kelly Services, by category.* ### Marketing automation and CRM [HubSpot](https://enrich.chat/companies-using/hubspot/)[Adobe Marketing Cloud](https://enrich.chat/companies-using/adobe-marketing-cloud/)[Pardot (Account Engagement)](https://enrich.chat/companies-using/pardot/)[Demandbase](https://enrich.chat/companies-using/demandbase/) ### Identity and authentication [Facebook Login](https://enrich.chat/companies-using/facebook-login/)[LinkedIn Login](https://enrich.chat/companies-using/linkedin-login/) ### Data and observability [New Relic](https://enrich.chat/companies-using/new-relic/)[Akamai RUM](https://enrich.chat/companies-using/akamai-rum/) ### Email and productivity [Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[Mailjet](https://enrich.chat/companies-using/mailjet/) ### Website platforms and CMS [Drupal](https://enrich.chat/companies-using/drupal/)[Episerver (Optimizely)](https://enrich.chat/companies-using/episerver/) ### Analytics and tracking [Google Tag Manager](https://enrich.chat/companies-using/google-tag-manager/)[Google Analytics](https://enrich.chat/companies-using/google-analytics/)[Crazy Egg](https://enrich.chat/companies-using/crazy-egg/) ### 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/)[Bing Ads (Microsoft Advertising)](https://enrich.chat/companies-using/bing-ads/)[X Ads (Twitter Advertising)](https://enrich.chat/companies-using/twitter-advertising/)[BlueKai](https://enrich.chat/companies-using/bluekai/)[MediaMath](https://enrich.chat/companies-using/mediamath/)[Krux (Salesforce DMP)](https://enrich.chat/companies-using/krux/) ### Video and media [Vimeo](https://enrich.chat/companies-using/vimeo/)[YouTube](https://enrich.chat/companies-using/youtube/)[Wistia](https://enrich.chat/companies-using/wistia/)[Vidyard](https://enrich.chat/companies-using/vidyard/) ### Social and widgets [Facebook Widget](https://enrich.chat/companies-using/facebook-widget/)[LinkedIn Widget](https://enrich.chat/companies-using/linkedin-widget/) ### Frameworks and libraries [ASP.NET](https://enrich.chat/companies-using/asp-net/) 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 Kelly Services? Start from the website, kellyservices.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, branch managers and recruiting leaders. ```text Use www.enrich.chat to find the agency owners, branch managers and recruiting leaders at kellyservices.com, with titles and verified work emails ``` Staff addresses follow a known pattern: see the [Kelly Services email format](https://enrich.chat/email-format/kelly-services/). ## Which other companies use the same tools? See who else runs the tools Kelly Services 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 Kelly Services have? Kelly Services 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 Kelly Services in? Kelly Services works in staffing and recruiting. This group covers agencies and search firms that place temporary, contract and permanent workers with employers. ### What technology does Kelly Services use? Tools detected on its public footprint include Microsoft 365, Microsoft Outlook, Facebook Login and New Relic, across 10 categories. A detected tool shows it was seen, not what Kelly Services pays for it. ### Where is Kelly Services headquartered? Kelly Services is headquartered in Troy, Michigan. ### What is the website of Kelly Services? Kelly Services's website is kellyservices.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 Kelly Services ```text Use www.enrich.chat to find the agency owners, branch managers and recruiting leaders at kellyservices.com, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Allegis Group](https://enrich.chat/company/allegis-group/) - [Maxim Healthcare Staffing](https://enrich.chat/company/maxim-healthcare-staffing/) - [Aerotek](https://enrich.chat/company/aerotek/) - [Amergis Healthcare Staffing](https://enrich.chat/company/amergis-healthcare-staffing/) - [RGF Staffing NL](https://enrich.chat/company/rgf-staffing-nl/) - [Gi Group](https://enrich.chat/company/gi-group/) - [Aya Healthcare](https://enrich.chat/company/aya-healthcare/) - [Cpl](https://enrich.chat/company/cpl/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)