Best PEO Companies in Arizona
Compare Professional Employer Organizations serving Arizona businesses. Editorial ratings are independent — featured placements are paid visibility, not endorsements.
PEO Companies Serving Arizona
Justworks
New York, NY · Est. 2012
Insperity
Kingwood, TX · Est. 1986
TriNet
Dublin, CA · Est. 1988
ADP TotalSource
IRS CPEO ✓NationwideHQ: Roseland, NJ · Est. 1996
ADP TotalSource is the Professional Employer Organization division of ADP (NASDAQ: ADP), one of the world's largest payroll and HR companies with over 75 years of history and more than 1.1 million clients across 140+ cou…
CoAdvantage
IRS CPEO ✓NationwideHQ: Tampa, FL · Est. 1996
CoAdvantage is a Bradenton, Florida-based Professional Employer Organization founded in 1997.
Infiniti HR
NationwideHQ: Rockville, MD · Est. 2008
Infiniti HR is a Burtonsville, Maryland-based IRS CPEO certified Professional Employer Organization founded in 2004.
G&A Partners
IRS CPEO ✓RegionalHQ: Houston, TX · Est. 1995
G&A Partners is a Houston, Texas-based Professional Employer Organization founded in 1995 by Antonio Grijalva and John Allen.
FrankCrum
NationwideHQ: Clearwater, FL · Est. 1981
A family-owned PEO based in Florida serving businesses nationwide with 2-500 employees. FrankCrum is one of the few PEOs with its own insurance company, enabling highly competitive workers comp rates.
Ambrose Employer Group
RegionalHQ: Los Angeles, CA · Est. 1999
A California-focused PEO with deep expertise in the state's complex employment laws. Ambrose specializes in entertainment and technology companies navigating California compliance.
PrestigePEO
IRS CPEO ✓NationwideHQ: Melville, NY · Est. 1998
PrestigePEO is a national Professional Employer Organization headquartered in Melville, New York, serving small and mid-sized businesses across all 50 states since 1998.
Rocky Mountain PEO
RegionalHQ: Denver, CO · Est. 2002
A Denver-based PEO serving the Mountain West region. Rocky Mountain PEO combines local regulatory expertise with strong technology sector support.
Desert HR
RegionalHQ: Phoenix, AZ · Est. 2000
A Phoenix-based PEO serving Arizona and the Southwest. Desert HR specializes in construction and hospitality sectors with strong Arizona workers comp expertise.
Concurrent HRO
IRS CPEO ✓RegionalHQ: Broomfield, CO · Est. 2018
Concurrent HRO was a Denver, Colorado-based IRS CPEO certified and ESAC accredited Professional Employer Organization.
HR Resourcing
IRS CPEO ✓RegionalHQ: Englewood, CO · Est. 2005
HR Resourcing is an IRS CPEO certified Professional Employer Organization serving small and mid-sized businesses across the United States.
InTandem Human Resources
IRS CPEO ✓RegionalHQ: Denver, CO · Est. 2010
InTandem HR is a Denver, Colorado-based IRS CPEO certified Professional Employer Organization founded in 2010 by Monica Denler, President and CEO.
OnePoint HRO
IRS CPEO ✓RegionalHQ: Englewood, CO · Est. 2005
OnePoint HRO is an Englewood, Colorado-based IRS CPEO certified Professional Employer Organization founded in 1999.
Optimum Employer Solutions
IRS CPEO ✓RegionalHQ: Santa Ana, CA · Est. 2012
Optimum Employer Solutions is a Southern California-based IRS CPEO certified Professional Employer Organization serving small to mid-sized businesses across the United States.
Sequoia One PEO
IRS CPEO ✓RegionalHQ: Tempe, AZ · Est. 2012
Sequoia One PEO is a Tempe, Arizona-based IRS CPEO certified and ESAC accredited Professional Employer Organization founded in 2018, operating as part of Sequoia Consulting Group.
IntelliPro
IRS CPEO ✓NationwideHQ: San Jose, CA · Est. 2009
IntelliPro is an IRS-certified PEO headquartered in San Jose, California, specializing in HR outsourcing, payroll administration, and employee benefits management for technology companies and professional services firms…
Paychex PEO
IRS CPEO ✓NationwideHQ: Rochester, NY · Est. 1971
Paychex PEO is the co-employment division of Paychex (NASDAQ: PAYX), one of the largest HR and payroll companies in the United States with over 50 years of experience serving American businesses.
BBSI
NationwideHQ: Vancouver, WA · Est. 1965
Barrett Business Services, Inc. (BBSI) is a publicly traded (NASDAQ: BBSI) Professional Employer Organization headquartered in Vancouver, Washington.
Adams Keegan
IRS CPEO ✓NationwideHQ: Memphis, TN · Est. 1987
Adams Keegan is a Memphis, Tennessee-based PEO offering both co-employment (PEO) and administrative services organization (ASO) models.
Deel PEO
NationwideHQ: San Francisco, CA · Est. 2019
Deel PEO is the domestic U.S. co-employment offering from Deel, a San Francisco-based global HR and payroll platform founded in 2019 and valued at $16.8 billion following a $450 million Series G in May 2025.
AlphaStaff
NationwideHQ: Sunrise, FL · Est. 1997
AlphaStaff is a Sunrise, Florida-based Professional Employer Organization founded in 1997 and ESAC accredited.
Vensure Employer Services
NationwideHQ: Chandler, AZ · Est. 2004
Vensure Employer Services is one of the largest privately held PEOs in the United States, headquartered in Chandler, Arizona, and founded in 2004.
America's Back Office
IRS CPEO ✓NationwideHQ: Chandler, AZ · Est. 2000
America's Back Office is an IRS CPEO certified and ESAC accredited PEO headquartered in Chandler, Arizona, providing comprehensive HR outsourcing services to small and mid-sized businesses across the United States.
Avitus Group
NationwideHQ: Billings, MT · Est. 1994
Avitus Group is a Billings, Montana-based PEO and HR outsourcing company founded in 1994, providing payroll processing, employee benefits, workers' compensation, and HR services to businesses nationwide.
Tandem HR
RegionalHQ: Burr Ridge, IL · Est. 1998
Tandem HR is a Burr Ridge, Illinois-based PEO founded in 1998, providing payroll, benefits administration, HR support, workers' compensation, and compliance services to small and mid-sized businesses.
Modern Business Associates
NationwideHQ: Tampa, FL · Est. 1990
Modern Business Associates (MBA) is a Tampa, Florida-based PEO founded in 1990, providing co-employment services including payroll processing, employee benefits, HR administration, workers' compensation, and compliance s…
Employco USA
RegionalHQ: Westmont, IL · Est. 1997
Employco USA is a Westmont, Illinois-based PEO founded in 1997, providing payroll administration, employee benefits, HR outsourcing, workers' compensation, and compliance services to small and mid-sized businesses.
Simploy
RegionalHQ: Boise, ID · Est. 2008
Simploy is a Boise, Idaho-based PEO providing co-employment services including payroll, employee benefits, HR administration, workers' compensation, and compliance support to small and mid-sized businesses across the Mou…
Proservice National
NationwideHQ: Honolulu, HI · Est. 2010
Proservice National is the mainland U.S. PEO extension of ProService Hawaii, providing co-employment services including payroll, benefits, HR administration, and compliance support to businesses across the continental Un…
Questco
NationwideHQ: The Woodlands, TX · Est. 2002
Questco is a national PEO headquartered in The Woodlands, Texas, providing comprehensive co-employment services to businesses across the United States.
Regis HR Group
NationwideHQ: Tampa, FL · Est. 2002
Regis HR Group is a Tampa, Florida-based national PEO providing co-employment services including payroll processing, employee benefits, HR administration, workers' compensation, and compliance support to businesses acros…
Stratus HR
NationwideHQ: South Jordan, UT · Est. 2003
Stratus HR is a South Jordan, Utah-based PEO (operating as ISI HR) providing comprehensive co-employment services to small and mid-sized businesses nationwide.
Tilson HR
RegionalHQ: Portland, OR · Est. 1999
Tilson HR is a Portland, Oregon-based PEO founded in 1999, providing payroll, employee benefits, HR administration, and compliance services to growing businesses across the Pacific Northwest and Western United States.
True PEO
RegionalHQ: Scottsdale, AZ · Est. 2008
True PEO is a Scottsdale, Arizona-based Professional Employer Organization providing payroll, employee benefits, HR administration, and compliance services to small and mid-sized businesses in the Southwest and Western U…
INVO PEO
NationwideHQ: Tampa, FL · Est. 2010
INVO PEO is a Tampa, Florida-based Professional Employer Organization providing co-employment services including payroll processing, employee benefits, HR administration, workers' compensation, and compliance support to…
SinglePoint Outsourcing
NationwideHQ: Scottsdale, AZ · Est. 2007
SinglePoint Outsourcing is a Scottsdale, Arizona-based PEO providing national co-employment services including payroll, employee benefits, HR administration, and compliance support to small and mid-sized businesses acros…
Saltus
RegionalHQ: Las Vegas, NV · Est. 2012
Saltus is a Las Vegas, Nevada-based PEO providing co-employment services including payroll, employee benefits, HR administration, and compliance support to businesses in Nevada and surrounding Western states, with notabl…
NetPEO
NationwideHQ: Atlanta, GA · Est. 2009
NetPEO is an Atlanta, Georgia-based PEO broker and provider offering co-employment services and PEO matching to businesses nationwide.
Total HR
RegionalHQ: San Diego, CA · Est. 2006
Total HR is a San Diego, California-based PEO (operating as Strategic HR Management Services) providing comprehensive co-employment services including payroll, employee benefits, HR administration, and compliance support…
Innoworks Employment Services
RegionalHQ: Salt Lake City, UT · Est. 2005
Innoworks Employment Services is a Salt Lake City, Utah-based PEO providing co-employment services including payroll, employee benefits, HR administration, and compliance support to businesses in the Mountain West region…
PrimePay
NationwideHQ: West Chester, PA · Est. 1986
PrimePay is a West Chester, Pennsylvania-based payroll and PEO services company founded in 1986, providing co-employment services and payroll administration to small and mid-sized businesses nationwide.
CPE HR
RegionalHQ: Burbank, CA · Est. 2003
CPE HR is a Burbank, California-based PEO providing co-employment services to businesses primarily in California and nationally.
Summit HR
RegionalHQ: Salt Lake City, UT · Est. 2004
Summit HR is a Salt Lake City, Utah-based PEO providing co-employment services to businesses across the Mountain West.
Employco Resources
RegionalHQ: Westmont, IL · Est. 1997
Employco Resources is a Westmont, Illinois-based PEO founded in 1997, providing payroll, employee benefits, HR outsourcing, workers' compensation, and compliance services to small and mid-sized businesses with a focus on…
Creative Business Resources
RegionalHQ: Denver, CO · Est. 1991
Creative Business Resources is a Denver, Colorado-based PEO founded in 1991, providing co-employment services to businesses across the Mountain West and Central Plains.
Pinnacle PEO
RegionalHQ: Scottsdale, AZ · Est. 2005
Pinnacle PEO is a Scottsdale, Arizona-based Professional Employer Organization providing co-employment services including payroll processing, employee benefits, HR administration, and compliance support to businesses acr…
Prism HR
NationwideHQ: Hopkinton, MA · Est. 1996
PrismHR is a Hopkinton, Massachusetts-based HR technology platform and PEO services provider founded in 1996.
Choosing a PEO in Arizona
Arizona has a minimum wage of $15.15 per hour as of 2026, part of a multi-year schedule of increases approved by voters under Proposition 206. Arizona is a right-to-work state, and its overall regulatory environment is generally favorable to employers — particularly compared to neighboring California. However, Arizona's employer obligations have grown substantially in recent years, and businesses that ignore state-specific requirements face real compliance risk.
Arizona's Fair Wages and Healthy Families Act requires most employers to provide paid sick time. Employers with 15 or more employees must provide up to 40 hours (5 days) of paid sick leave per year. Employers with fewer than 15 employees must provide up to 24 hours (3 days). Paid sick leave accrues at 1 hour per 30 hours worked and can be used for the employee's own illness, a family member's illness, or for reasons related to domestic violence or sexual assault.
Workers' compensation insurance is mandatory for all Arizona employers, with no minimum employee count — even a single employee triggers the requirement. Coverage can be purchased through the State Compensation Fund or a private carrier. Arizona follows the federal WARN Act, requiring 60 days advance notice for layoffs affecting 50 or more employees. Arizona has no state-level paid family leave program, meaning employees rely on the federal FMLA, which only applies to employers with 50 or more employees.
Arizona's economy is driven by technology, healthcare, financial services, construction, and a growing semiconductor manufacturing sector. The Phoenix metro area has a competitive labor market, and businesses in the region face increasing pressure to offer strong benefits to attract talent. A PEO can give Arizona businesses access to enterprise-level benefits packages while managing workers' comp, paid sick leave compliance, and payroll — all essential for businesses growing in Arizona's fast-expanding economy. Use the form on this page to connect with qualified PEOs serving Arizona.
Already working with a PEO and considering a switch? PEO Alternatives has independent comparisons of the top providers to help you evaluate your options.
Frequently Asked Questions
What is the minimum wage in Arizona in 2026?
Arizona's minimum wage is $15.15 per hour as of 2026, following a schedule of increases approved by voters under Proposition 206. The minimum wage is adjusted annually. Tipped employees may be paid a lower cash wage if their tips bring total compensation to at least the minimum wage. Employers should verify the current rate each January.
Does Arizona require paid sick leave?
Yes. Arizona's Fair Wages and Healthy Families Act requires employers with 15 or more employees to provide up to 40 hours of paid sick leave per year, and employers with fewer than 15 employees to provide up to 24 hours. Leave accrues at 1 hour per 30 hours worked and can be used for personal illness, a family member's illness, or situations related to domestic violence or sexual assault.
Is workers' compensation required in Arizona?
Yes. Arizona requires all employers — even those with a single employee — to carry workers' compensation insurance. Coverage can be purchased through the State Compensation Fund or a licensed private carrier. A PEO provides workers' comp as part of the co-employment arrangement, typically at rates more competitive than a small business can access independently.
Does Arizona have a paid family leave program?
Arizona does not have a state-funded paid family leave program. Employees in Arizona may be eligible for unpaid job-protected leave under the federal FMLA if their employer has 50 or more employees. Some employers offer paid family leave voluntarily or through a PEO-administered benefits program as a talent retention tool.