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About Staff One HR

Staff One HR is an HR managed services company providing Professional Employer Organization (PEO), Administrative Services Only (ASO) and recruiting services.  Based in Dallas with clients in 44 states, Staff One HR earned a spot on the 2015 and 2016 Inc. 5000, and has been in business since 1988.  With an ESAC-accredited PEO service offering, Staff One HR provides HR consulting and compliance, employee benefits, workers’ compensation/safety, and payroll/tax administration for clients throughout the U.S.

Staff One HR

12750 Merit Drive
Suite 910
Dallas, TX 75251
Phone: (214) 461-1140


Employer Type: Private
President & CEO: Mark Sinatra
2016 Employees (All Locations): 53

Major Office Locations

Dallas, TX
Denver, CO
Johnson City, TN
Oklahoma City, OK

Major Departments & Practices

Human Resources
Employee Benefits
Risk Management