About Diamond PEO
Diamond PEO is an industry leading Professional Employer Organization (PEO), providing Human Resources, Employee Benefits, Payroll and Risk Management services on an outsourced basis. Serving clients throughout the United States and Canada, Diamond PEO provides expert HR solutions tailored to customize your business.
Mission & Vision
At Diamond PEO, our mission is to promote the business success of our partners through human resources. We also value a shared vision of improving the economy through business growth and innovation.

Diamond PEO’s Values
- We don’t take shortcuts and success doesn’t count unless you earn it.
- We give all employees the tools and opportunity to make a difference.
- We always deliver what we promise.
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CONTACT DIAMOND PEO
(714) 796-9110
Hours of Operation
Monday – Friday: 8:00 a.m. – 5:00 p.m.
Customer Contact Hours
For 24/7 After-Hours Support,
Call (714) 461-3670
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CONTACT DIAMOND PEO
(714) 796-9110
Hours of Operation
Monday – Friday: 8:00 a.m. – 5:00 p.m.
Customer Contact Hours
For 24/7 After-Hours Support,
Call (714) 461-3670
Share