Top 100 HR Service Providers in California
The Best of December 2025Looking 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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781Undisclosed10 - 49 employeesSacramento, CABased in Sacramento, California, Graviton Consulting Services is a Staffing company. They provide Staffing and Custom Software Development.Read More
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782Undisclosed10 - 49 employeesModesto, CALocated in Modesto, California, Opportunity Stanislaus is a small Corporate Training & Coaching company. The team specializes in Corporate Training & Coaching and Business Consulting.Read More
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783Undisclosed10 - 49 employeesIrvine, CALink Consulting Services (LinkCS) is a CRM consulting and SI company located in Irvine, California. The team provides CRM consulting and SI and Cybersecurity.Read More
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784Undisclosed10 - 49 employeesSan Francisco, CASakonnet Systems, Inc. Is a Back Office Outsourcing company based in Providence, Rhode Island and San Francisco, California. Their services include Back Office Outsourcing and Staffing.Read More
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785Undisclosed50 - 249 employeesWalnut Creek, CAAspen HR is an Accounting company. Their midsize team is located in Walnut Creek, California and Chicago, Illinois. Their services include Accounting and PEO/Employee Leasing.Read More
Industries
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786Undisclosed250 - 999 employeesSan Francisco, CARead More
Human resources company Gusto was established in 2011. They are in San Francisco, California and have a midsize team. Their services include HR services and custom software development.
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787Undisclosed250 - 999 employeesLos Angeles, CAMarket Research company Plaza Research was launched in 1982. The company offers Market Research and Call Center Services.Read More
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788Undisclosed250 - 999 employeesCarmichael, CALanguage World Services, Inc. Is a midsize Translation company founded in 2000. Their services include Translation and Staffing.Read More
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789$1,000+50 - 249 employeesSan Diego, CAPro Back Office is a Back Office Outsourcing company. Launched in 2012, the team offers Back Office Outsourcing and Finance & Accounting Outsourcing (FAO).Read More
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790Undisclosed50 - 249 employeesNewport Beach, CAHarvey & Company LLC is a Newport Beach, California-based Commercial Financing company. Their services include Commercial Financing and Funding & Investment.Read More
Industries
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791Undisclosed2 - 9 employeesSan Francisco, CANimble Consulting Inc. Is a Business Consulting company launched in 2010. Their services include Business Consulting and HR Consulting.Read More
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792Undisclosed2 - 9 employeesSan Francisco, CAEskalera is an artificial intelligence firm. Their team is located in San Francisco, California. The firm provides Artificial Intelligence and HR Consulting.Read More
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793Undisclosed2 - 9 employeesSan Diego, CANexus Talent Connect, LLC is a Corporate Training & Coaching company. The San Diego, California-based team focuses on Corporate Training & Coaching and Accounting.Read More
Industries
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794Undisclosed2 - 9 employeesBerkeley, CAProTechno Solutions, a Recruitment Process Outsourcing company, was established in 2021. The team offers Recruitment Process Outsourcing and Executive Search.Read More
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795Undisclosed2 - 9 employeesSan Francisco, CACoreus is a Business Consulting company founded in 2020. Their services include Business Consulting and Corporate Training & Coaching.Read More
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796Undisclosed50 - 249 employeesCupertino, CAWalkWater Talent Advisors Pvt. Ltd. Is an Executive Search company located in Bengaluru, India and Mumbai, India. They specialize in Executive Search and HR Consulting.Read More
Industries
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797$1,000+1,000 - 9,999 employeesLos Angeles, CARead More
HUB International is a network of global insurance brokerage firms headquartered in Chicago, Illinois. Established in 1998 by the merger of 11 privately held firms, HUB currently has over 11,000 employees worldwide. Their services include business insurance for nearly any sector, benefits consulting, risk strategy, and more for a global and well-established client base.
Industries
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798Undisclosed250 - 999 employeesSan Jose, CAStaffing company Taos is in San Jose, California. The team specializes in Staffing.Read More
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799Undisclosed50 - 249 employeesFresno, CAMidsize Staffing and Recruiting company America Works of California, is in Fresno, California. The team offers Staffing and Recruiting.Read More
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800Undisclosed50 - 249 employeesSanta Monica, CAECA is a Business Consulting company. They are located in Santa Monica, California and New York, New York and have midsize team. Their services include Business Consulting and Staffing.Read More
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801Undisclosed50 - 249 employeesFremont, CAAdroit Resources, Inc. Is a Staffing and Recruiting company. Established in 2011, the agency offers Staffing and Recruiting.Read More
Industries
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802$5,000+50 - 249 employeesLos Angeles, CAMMC HR, a midsize HR Consulting company, is based in Los Angeles, California. The team specializes in HR Consulting and Accounting.Read More
Clients
California Physicians AssociationIndustries
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803Undisclosed2 - 9 employeesSan Diego, CAPlaza Personnel Service Medical Staffing Agency, a Staffing and Recruiting company, is located in San Diego, California. Launched in 1991, the team focuses on Staffing and Recruiting.Read More
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804Undisclosed50 - 249 employeesSan Ramon, CABloom Consulting Services, Inc. Is a Staffing company. The San Ramon, California-based firm offers Staffing.Read More
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805Undisclosed10 - 49 employeesSan Francisco, CACadre is a Staffing and Recruiting company. Their team is based in San Francisco, California. The agency specializes in Staffing and Recruiting.Read More
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806Undisclosed10 - 49 employeesSan Francisco, CAAndrew Freeman & Co. Is a Business Consulting company. Located in San Francisco, California, the agency focuses on Business Consulting and Marketing Strategy.Read More
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807Undisclosed10 - 49 employeesLake Forest, CAAlmich & Associates is an Accounting company. The Lake Forest, California-based firm was launched in 1992. Their services include Accounting and HR Consulting.Read More
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808Undisclosed10 - 49 employeesCulver City, CASmall Business Consulting company Netzel Grigsby Associates, is based in Culver City, California. The team provides Business Consulting and Corporate Training & Coaching.Read More
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809Undisclosed10 - 49 employeesSunnyvale, CAFounded in 2005, Rapid Eagle Inc, a small custom software development company, is located in Sunnyvale, California. Their services include Custom Software Development and Business Consulting.Read More
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810Undisclosed10 - 49 employeesSan Francisco, CAMathys+Potestio / The Creative Party® is a small Staffing and Recruiting company founded in 2010. Their services include Staffing and Recruiting.Read More
Industries
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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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