Top 50 B2B Staffing Companies in California
The Best of December 2025Looking for a top B2B staffing service in California?
Staffing firms help fill gaps that can plague your growing business – short-term resources are almost always better than being short-staffed.
To assist you in your search for a partner, we’ve compiled this list of the top Business Services staffing companies in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Business Services Staffing Services in California
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1$75,000+250 - 999 employeesMenlo Park, CARead More
Based in Menlo Park, California, TurnKey Labs is a midsize software development firm. Founded in 2019, the team focuses on custom software development, product design, and HR services.
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Headspace, R1, ResNet, Diib, Salad, MiResourceIndustries
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2$5,000+10 - 49 employeesSan Francisco, CARead More
Located in San Francisco, California, Remotesome is an IT staff augmentation and HR firm. The small team focuses on IT staff augmentation and HR services. The company was launched in 2019.
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Meroxa, Looped, Mana Interactive, 42 Technologies, Harbour,Industries
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3Undisclosed2 - 9 employeesLos Angeles, CAHeadquartered in Los Angeles, California, DevSignal is an IT staff augmentation company. The small firm was founded in 2023. Their team offers IT staff augmentation, Staffing, Recruiting, IT managed services, and more.Read More
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4$10,000+10 - 49 employeesLafayette, CARead More
Forshay is an HR agency based in Lafayette, Calif., and founded in 2011. With more than 10 members, they specialize in HR services for mid-market and enterprise-level clients that work in the fields of health care, advertising, and gaming.
Clients
AirbnbIndustries
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5$1,000+250 - 999 employeesGardena, CARevaya is a HR Outsourcing company. They are based in Gardena, California and have a midsize team. The company provides HR Outsourcing, Staffing, and Recruiting.Read More
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6$1,000+50 - 249 employeesRolling Hills Estates, CAKIN Logistic Solutions is a Back Office Outsourcing company founded in 2020. The midsize Rolling Hills Estates, California-based team focuses on Back Office Outsourcing, Customs brokerage, Logistics & Supply Chain Consulting, Ocean Freight, and more.Read More
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7$1,000+10 - 49 employeesPetaluma, CARead More
Star Staffing is a staffing agency based in Petaluma, California, that was established in 1998. Their team of 143 offers HR consulting and outsourcing services.
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8$1,000+10,000+ employeesSan Francisco, CABased in San Francisco, California; New York, New York; Los Angeles, California and Mississauga, Canada, Robert Half is a Staffing company. The large team provides Staffing. The agency was established in 1948.Read More
Clients
Graphic Design USAIndustries
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9$10,000+50 - 249 employeesSan Jose, CAMackin Talent is a Business Consulting company. The company is based in San Jose, California and Cork, Ireland. Their team focuses on Business Consulting and Recruiting.Read More
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10$1,000+250 - 999 employeesRancho Cordova, CAAtlas Labor Force is a Staffing company established in 2019. The team provides Staffing and Recruiting and is based in Rancho Cordova, California.Read More
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11$1,000+2 - 9 employeesSan Diego, CARead More
The HR Innovator Group is a Staffing company in San Diego, California; Knoxville, Tennessee; Dallas, Texas and Phoenix, Arizona. The small team offers Staffing, Recruiting, HR Outsourcing, HR Consulting, and more and was launched in 2024.
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12$1,000+1,000 - 9,999 employeesDublin, CAHR Consulting company TriNet is based in Dublin, California and Irvine, California. Their services include HR Consulting and PEO/Employee Leasing.Read More
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13$1,000+250 - 999 employeesLos Angeles, CASecurity Guards in Los Angeles County - AM PM NATIONWIDE SECURITY INC. Is a Staffing and Recruiting company. They specialize in Staffing and Recruiting and are located in Los Angeles, California.Read More
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14Undisclosed10 - 49 employeesLos Angeles, CAStaffing For Doctors is a Staffing and Recruiting company established in 2025. The firm offers Staffing and Recruiting, and is small.Read More
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15Undisclosed10 - 49 employeesSan Jose, CASlingshot Connections is a small Accounting company headquartered in San Jose, California. Their services include Accounting and Staffing.Read More
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16Undisclosed10 - 49 employeesFremont, CAThe Staffing Hub is a Recruitment Process Outsourcing company. The agency is located in Fremont, California. Their services include Recruitment Process Outsourcing and Staffing.Read More
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17Undisclosed50 - 249 employeesNewark, CANVISH Solutions is an Other Digital Marketing company established in 2006. The firm provides Other Digital Marketing and Web Development, and is midsize.Read More
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18Undisclosed50 - 249 employeesManhattan Beach, CATalentoHC is an Executive Search company launched in 2017. Their team specializes in Executive Search and Recruiting.Read More
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19Undisclosed10 - 49 employeesIrvine, CAHeadquartered in Irvine, California and Irvine, California, Artemis is an IT staff augmentation company. Their services include IT staff augmentation and Executive Search.Read More
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20Undisclosed10 - 49 employeesBerkeley, CAImmigration Law company Courtpals was launched in 2018. The team specializes in Immigration Law and Staffing and is based in Berkeley, California.Read More
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21Undisclosed2 - 9 employeesPasadena, CATotal Quality Consulting is a Pasadena, California-based Recruiting company. They offer Recruiting and Business Consulting and were established in 1994.Read More
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22Undisclosed50 - 249 employeesIrvine, CATranscend Digital is a custom software development firm founded in 2017. The agency focuses on Custom Software Development and Web Development, and is midsize.Read More
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23$10,000+10 - 49 employeesGlendale, CAHR Outsourcing company Employee Relations is located in Glendale, California. They offer HR Outsourcing and Recruiting and were founded in 1995.Read More
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24$5,000+2 - 9 employeesRedondo Beach, CAJumpSmartTalent, a Recruiting company, was established in 2015. The company provides Recruiting and BI & big data consulting & SI, and is small.Read More
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25Undisclosed50 - 249 employeesSan Ramon, CAEzyteams is a Back Office Outsourcing company. They are headquartered in San Ramon, California and have midsize team. They focus on Back Office Outsourcing and Finance & Accounting Outsourcing (FAO).Read More
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26$1,000+10 - 49 employeesLos Angeles, CAThe Help Company is a small Staffing company located in Los Angeles, California and San Francisco, California. Their services include Staffing and HR Outsourcing.Read More
Clients
2016 Red Tricycle AwardIndustries
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27Undisclosed10 - 49 employeesRiverside, CACloudPersonnel is a Staffing and Recruiting company. They are located in Riverside, California and Long Beach, California and have small team. Their team offers Staffing and Recruiting.Read More
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28Undisclosed10 - 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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29$10,000+50 - 249 employeesSan Francisco, CASquareboat, an IT staff augmentation company, is in Gurugram, India and San Francisco, California. The midsize company was established in 2013. Their team provides IT staff augmentation, Staffing, UX/UI Design, Web Development, and more.Read More
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30Undisclosed50 - 249 employeesFremont, CAAdroit Resources, Inc. Is a Staffing and Recruiting company. Established in 2011, the agency offers Staffing and Recruiting.Read More
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