KELLY SERVICES INC
Kelly Services, Inc. (formerly Russell Kelly Office Service and Kelly Girl Service, Inc.) is an American multinational office staffing company. The company places employees at all levels in various sectors including financial services, information technology, and law. Also, its professional services include human resource and management consulting, outsourcing, recruitment, career transition, and vendor management. Kelly Services was founded by William Russell Kelly in 1946 and is headquartered in Troy, Michigan.
Basic company information
Each field links to its source. Financial figures retain their reporting periods; background references are identified in the source list.
- Business sectors
- employment services industry [1]
- Company / filing name
- KELLY SERVICES INC [2]
- Headquarters location
- Troy [1]
- Founded
- 1946 [1]
- Legal form
- corporation [1]
- Founders
- William Russell Kelly [1]
- Official website
- http://www.kellyservices.com; https://www.kellyservices.us/ [1]
- ISIN (reported securities)
- US4881522084 [1]
- CIK
- 55135 [2]
- Country in background record
- United States [1]
- Symbols / exchanges
- KELYA (Nasdaq), KELYB (Nasdaq) [2]
Company positioning and business
Kelly Services, Inc. (formerly Russell Kelly Office Service and Kelly Girl Service, Inc.) is an American multinational office staffing company. The company places employees at all levels in various sectors including financial services, information technology, and law. Also, its professional services include human resource and management consulting, outsourcing, recruitment, career transition, and vendor management. Kelly Services was founded by William Russell Kelly in 1946 and is headquartered in Troy, Michigan. [3]
Background text: Wikipedia contributors, Kelly Services. Selected introductory paragraphs, licensed under CC BY-SA 4.0. Official filing data is cited separately.
Financial year, securities and disclosures
Listed securities: KELYA (Nasdaq), KELYB (Nasdaq). Multiple symbols may represent different share classes or securities of the same registrant. [2]
History and key events
Founding / inception date recorded in Wikidata. [1]
Financial results and regulatory disclosures
No individual financial documents have been indexed yet. Open the source to consult company disclosures. [2]
Related entities and concepts
Frequently asked questions
When was KELLY SERVICES INC founded?
Founded: 1946. The linked source provides the background record. [1]
Where is the headquarters of KELLY SERVICES INC?
Headquarters location: Troy. The linked source provides the background record. [1]
Which business sectors are recorded for KELLY SERVICES INC?
Business sectors: employment services industry. The linked source provides the background record. [1]
Sources and review dates
- Wikidata — company background record (CC0) ↗
- Company identity and profile data ↗
- Wikipedia contributors — Kelly Services (CC BY-SA 4.0) ↗
Reviewed 23 October 2026. Financial periods and historical event dates are shown separately. Figures reflect their stated source dates; this page is not a live quote or investment recommendation.