Best PEO Companies in Massachusetts
Compare Professional Employer Organizations serving Massachusetts businesses. Editorial ratings are independent — featured placements are paid visibility, not endorsements.
PEO Companies Serving Massachusetts
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.
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.
Extensis
IRS CPEO ✓RegionalHQ: Union, NJ · Est. 1997
ExtensisHR is a Woodbridge, New Jersey-based IRS CPEO certified and ESAC accredited Professional Employer Organization founded in 1997 by Richard Augustyn.
AdvantEdge HR
RegionalHQ: Albany, NY · Est. 2002
A New York state-based PEO with particular expertise in navigating the state's complex employment regulations. Strong nonprofit sector experience.
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.
New England HR
IRS CPEO ✓RegionalHQ: Boston, MA · Est. 1998
A Boston-based PEO with deep expertise in Massachusetts and New England employment law. Known for strong healthcare benefit networks and technology sector support.
ArmHR
IRS CPEO ✓RegionalHQ: East Syracuse, NY · Est. 2010
ArmHR is an IRS CPEO certified Professional Employer Organization that delivers customized HR solutions with a focus on payroll, benefits management, and compliance.
Aspen HR
IRS CPEO ✓RegionalHQ: Boston, MA · Est. 2015
Aspen HR is a Walnut Creek, California-based IRS CPEO certified Professional Employer Organization founded in 2017.
Genesis HR Solutions
IRS CPEO ✓RegionalHQ: Burlington, MA · Est. 1993
Genesis HR Solutions is a Burlington, Massachusetts-based IRS CPEO certified and ESAC accredited Professional Employer Organization founded in 1991.
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…
Advantage Personnel Resources
IRS CPEO ✓RegionalHQ: Melville, NY · Est. 2015
Advantage Personnel Resources is a Melville, New York-based IRS CPEO certified Professional Employer Organization serving businesses across the Northeast and nationally.
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.
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…
Employer Services Corporation
RegionalHQ: Amherst, NY · Est. 1994
Employer Services Corporation (ESC) is an Amherst, New York-based PEO founded in 1994, providing payroll processing, employee benefits administration, HR outsourcing, workers' compensation, and compliance services to sma…
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.
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…
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.
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.
Emplova
RegionalHQ: Melville, NY · Est. 2015
Emplova is a Melville, New York-based PEO providing co-employment services including payroll processing, employee benefits, HR administration, and compliance support to businesses in the Northeast United States.
Genesis HR
IRS CPEO ✓NationwideHQ: Burlington, MA · Est. 1991
Genesis HR Solutions is a Burlington, Massachusetts-based IRS CPEO certified PEO founded in 1991, providing co-employment services to businesses across New England and nationally.
Trion Group
RegionalHQ: Wayne, PA · Est. 1990
Trion Group is a Wayne, Pennsylvania-based PEO and benefits administration company founded in 1990, providing co-employment services, employee benefits, payroll, HR consulting, and compliance support to businesses in the…
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 Massachusetts
Massachusetts has a minimum wage of $15.00 per hour as of 2026, with a robust set of employee protections that go well beyond federal standards. Massachusetts is not a right-to-work state, and its labor market — particularly in the Boston metropolitan area — is highly competitive across technology, life sciences, financial services, and healthcare. Pay transparency requirements have been expanding in Massachusetts, with employers now expected to include salary ranges in job postings.
Massachusetts has a comprehensive Paid Family and Medical Leave (PFML) program providing employees with up to 12 weeks of paid family leave and up to 20 weeks of paid medical leave per year. The maximum weekly benefit in 2026 is $1,230.39. The program is funded through employee and employer payroll contributions. Massachusetts also requires most employers to provide up to 40 hours of paid sick leave per year, accruing at 1 hour per 30 hours worked.
Massachusetts follows the federal WARN Act for mass layoff notifications, requiring 60 days advance notice for layoffs affecting 50 or more employees. The state's anti-discrimination law (Chapter 151B) provides broader protections than federal law and applies to employers with 6 or more employees. Massachusetts has strict requirements around non-compete agreements, limiting them to 1 year in duration and requiring garden leave pay or other consideration — an important consideration for businesses in competitive industries.
Massachusetts's economy is driven by life sciences, technology, financial services, healthcare, and education. The Boston area in particular has one of the most competitive labor markets in the country, where strong benefits packages and competitive compensation are essential for talent recruitment and retention. A PEO with Massachusetts expertise can help businesses manage PFML administration, paid sick leave, non-compete compliance, and the full range of state-specific HR requirements. Use the form on this page to connect with qualified PEOs serving Massachusetts businesses.
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Frequently Asked Questions
What is the minimum wage in Massachusetts in 2026?
Massachusetts's minimum wage is $15.00 per hour as of 2026. Massachusetts law requires the state minimum wage to remain at least $0.50 higher than the federal minimum wage. Tipped employees may be paid a lower cash wage, provided tips bring total compensation to at least the minimum wage. Some Massachusetts cities and towns may have additional local requirements.
How does Massachusetts Paid Family and Medical Leave work?
Massachusetts PFML provides employees with up to 12 weeks of paid family leave and up to 20 weeks of paid medical leave per year, with a maximum weekly benefit of $1,230.39 in 2026. The program is funded through employer and employee payroll contributions. A PEO can manage PFML premium collection, employee notices, and leave coordination on behalf of client businesses.
Does Massachusetts require paid sick leave?
Yes. Massachusetts requires most employers to provide paid sick leave accruing at 1 hour per 30 hours worked, up to 40 hours per year. Employees can use paid sick leave for their own illness, a family member's illness, or reasons related to domestic violence. Employers with fewer than 11 employees must provide unpaid sick leave under the same accrual rules.
What are Massachusetts's rules on non-compete agreements?
Massachusetts limits non-compete agreements to a maximum of 1 year in duration and requires employers to provide either garden leave pay of at least 50% of the employee's base salary during the restricted period, or other mutually agreed-upon consideration. Non-competes cannot be used for non-exempt hourly workers, students, or employees terminated without cause. A PEO can help ensure employment agreements comply with Massachusetts non-compete law.