Top 100 HR Service Providers in California
The Best of October 2026Looking for a top Human Resources companies in California?
HR is pivotal when it comes to managing people and the workplace environment. If effective, it can greatly strengthen your company.
To assist you in your search for a partner, we’ve compiled this list of the top HR services in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
Jump to Most Reviewed Companies
List of the Best California Human Resources Services
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721$25,000+1,000 - 9,999 employeesSan Francisco, CAALLSTARSIT is an IT staff augmentation company based in San Francisco, California; Kyiv, Ukraine; Ramat Gan, Israel and Warszawa, Poland. The company provides IT staff augmentation, IT managed services, Staffing, Recruiting, and more and has a large team.The company was launched in 2004.Read More
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722Undisclosed10 - 49 employeesLos Angeles, CASmall Business Consulting and HR Consulting company CultureSync, is located in Los Angeles, California. Their services include Business Consulting and HR Consulting.Read More
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723Undisclosed10 - 49 employeesLos Angeles, CAEstablished in 1993, HRCS is a HR Consulting company. The small team provides HR Consulting and Business Consulting.Read More
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724Undisclosed10 - 49 employeesOntario, CAArena Staffing is an Ontario, California-based Accounting and Recruiting company. Their services include Accounting and Recruiting.Read More
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725Undisclosed10 - 49 employeesSan Francisco, CAPacific Placement Group, LLC. Is an IT staff augmentation and HR Consulting company. They are based in San Francisco, California, and their services include IT staff augmentation and HR Consulting.Read More
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726Undisclosed10 - 49 employeesSan Francisco, CAAdvanced Employment Services, Inc., a Business Consulting and HR Consulting company, was established in 1998. The team specializes in Business Consulting and HR Consulting.Read More
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727Undisclosed10 - 49 employeesLos Angeles, CAMKM Consulting, Inc is a Business Consulting and HR Consulting company established in 2008. The firm specializes in Business Consulting and HR Consulting.Read More
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728Undisclosed10 - 49 employeesLos Angeles, CARGEB, Inc., a Business Consulting and HR Consulting company, offers Business Consulting and HR Consulting. The firm is located in Los Angeles, California.Read More
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729Undisclosed10 - 49 employeesIrvine, CAFounded in 1995, Emplicity is an Accounting company. Their services include Accounting and Recruiting.Read More
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730Undisclosed10 - 49 employeesSan Marcos, CAEmployers Resource is an Accounting and HR Consulting company. Their small team is based in San Marcos, California. Their team specializes in Accounting and HR Consulting.Read More
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731Undisclosed10 - 49 employeesSan Juan Capistrano, CADiamond Peo Page is a small Accounting and HR Consulting company based in San Juan Capistrano, California and Gardena, California. The team offers Accounting and HR Consulting.Read More
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732Undisclosed10 - 49 employeesVisalia, CASinglePoint Outsourcing is an Accounting company. The Visalia, California-based team offers Accounting and HR Outsourcing.Read More
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733Undisclosed10 - 49 employeesSan Rafael, CAABD SharedHR is an Accounting company located in San Rafael, California. Their services include Accounting and HR Consulting.Read More
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734Undisclosed10 - 49 employeesNovato, CAAccounting and HR Outsourcing company Accuchex Payroll Management Services is headquartered in Novato, California. The team provides Accounting and HR Outsourcing.Read More
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735Undisclosed10 - 49 employeesNewark, CALocated in Newark, California, Woxforce Inc. Is a Customer Service Outsourcing company. Their services include Customer Service Outsourcing and Staffing.Read More
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736Undisclosed10 - 49 employeesTemecula, CACommon Sense Events Inc., a small Event Marketing and Staffing company, is headquartered in Temecula, California. Their services include Event Marketing and Staffing.Read More
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737Undisclosed10 - 49 employeesSan Francisco, CABranding agency RevelOne (Revel Talent) was established in 2014. The team specializes in Branding and Marketing Strategy and is in San Francisco, California.Read More
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738Undisclosed10 - 49 employeesCulver City, CACodebusters, Inc. Is a Business Consulting company established in 2000. Their services include Business Consulting and Staffing.Read More
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739Undisclosed10 - 49 employeesFontana, CAAjobStaff is an Accounting and Staffing company launched in 2000. The team offers Accounting and Staffing and is located in Fontana, California.Read More
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740Undisclosed10 - 49 employeesBrea, CALaunched in 2012, Orion Solutions Group is a Business Consulting company. Their team offers Business Consulting and Staffing.Read More
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741Undisclosed50 - 249 employeesSan Francisco, CACollaboration Business Consulting is a Business Consulting company located in San Francisco, California. They specialize in Business Consulting and HR Consulting and were founded in 1995.Read More
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742Undisclosed50 - 249 employeesEl Segundo, CALogin Consulting is a Staffing company. The El Segundo, California-based firm focuses on Staffing and IT managed services.Read More
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743Undisclosed50 - 249 employeesTorrance, CACMTC, an IT managed services company, is headquartered in Torrance, California. They specialize in IT managed services and IT strategy consulting.Read More
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744Undisclosed1,000 - 9,999 employeesSan Francisco, CARead More
Business consulting company EPIC Insurance Brokers & Consultants was founded in 2007. They are located in San Francisco, California and have a large team. EPIC Insurance Brokers & Consultants offers business consulting, insurance services & brokers, and HR services.
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745Undisclosed50 - 249 employeesSan Francisco, CARecruitment Process Outsourcing company bbg talent acquisitions provides Recruitment Process Outsourcing and Staffing. They were launched in 2000.Read More
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746Undisclosed50 - 249 employeesCampbell, CAIT managed services company OSI Engineering, Inc. Was founded in 2010. Based in Campbell, California, the team specializes in IT managed services and Accounting.Read More
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747$1,000+10 - 49 employeesLake Forest, CAThe Good CFO, a Fractional CFO Services company, was established in 2024. The company focuses on Fractional CFO Services and Accounting.Read More
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748Undisclosed10 - 49 employeesNapa, CABalanced Business Group is an Accounting company. Their small team is in Napa, California. Their services include Accounting and Business Consulting.Read More
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749$1,000+2 - 9 employeesSan Jose, CATalented Recruitment Group is an Executive Search company. The team offers Executive Search and Staffing, and the agency is based in Bournemouth, England and San Jose, California.Read More
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750Undisclosed250 - 999 employeesAgoura Hills, CACorporate Training & Coaching company Cydcor is in Agoura Hills, California. They focus on Corporate Training & Coaching and Business Consulting.Read More
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Check out a Human Resources Company in California with the most new reviews in the past 12 months.
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