Top 100 Business Processes Outsourcing (BPO) Companies in California
The Best of December 2025Looking for a top business process outsourcing company in California?
A BPO services firm provides expert services for particular business processes that many companies don't possess in-house. Finding the best one for your company, though, is challenging.
To assist you in your search for a partner, we’ve compiled this list of the top BPO companies in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California BPO Services
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61$1,000+50 - 249 employeesLos Angeles, CAZventus is an answering service. The midsize Los Angeles, California-based team specializes in Call Center Services and Sales Outsourcing. The firm was established in 2016.Read More
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62Undisclosed10 - 49 employeesLos Angeles, CABased in Los Angeles, California, Tel-Us Call Center is a small call center. The team specializes in Call Center Services and Customer Service Outsourcing.Read More
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63$1,000+50 - 249 employeesSacramento, CARead More
Softfile is a BPO services corporation founded in 1988. Based in Sacramento, Calif., their team of about 20 employees specializes in Non-Voice BPO/Back Office Services and voice services. The industries they focus on are financial services, legal, healthcare, and medical.
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The County of SonomaIndustries
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64Undisclosed50 - 249 employeesFairfield, CATelegenisys Inc is a Fairfield, California-based Back Office Outsourcing company. They focus on Back Office Outsourcing and Customer Service Outsourcing.Read More
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65$1,000+50 - 249 employeesSan Francisco, CAHeadquartered in San Francisco, California, 31West Global Services is a Customer Service Outsourcing company. They specialize in Customer Service Outsourcing and cloud consulting & SI.Read More
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66$5,000+10 - 49 employeesBakersfield, CAFounded in 2018, Call Vidia is a Customer Service Outsourcing company. The company offers Customer Service Outsourcing and Back Office Outsourcing, and is small.Read More
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67$1,000+50 - 249 employeesSan Jose, CARCM Centric is an IT managed services company established in 2016. The company focuses on IT managed services and Call Center Services, and is midsize.Read More
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Frederick Bodie, M.D - DermatologistIndustries
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68$1,000+10 - 49 employeesEl Cajon, CARead More
Answer California is a voice support outsourcing firm based in El Cajon, Calif., just outside of San Diego. Founded in 1998, Answer California has just under 13 employees. They exclusively provide voice service outsourcing. Their specific call center services include automatic answering, order processing, and customer service.
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69Undisclosed250 - 999 employeesPleasanton, CAMidsize answering service Packet Fusion, is in Pleasanton, California and Pleasanton, California. Their services include Call Center Services.Read More
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70$25,000+10 - 49 employeesLos Angeles, CAStat Medical Consulting, Inc. Is a Los Angeles, California-based Back Office Outsourcing and Customer Service Outsourcing company. They offer Back Office Outsourcing and Customer Service Outsourcing.Read More
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71Undisclosed1,000 - 9,999 employeesChula Vista, CACall Center Services International is a large Chula Vista, California-based call center company. Their services include Call Center Services and Accounting.Read More
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72Undisclosed10 - 49 employeesLos Angeles, CALaunched in 1989, Answering365 is a phone answering service. In Los Angeles, California, the team specializes in Call Center Services and Customer Service Outsourcing.Read More
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Cedars Sinai HospitalIndustries
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73$10,000+2 - 9 employeesLos Angeles, CARead More
VargasAndrews is a professional services company in Los Angeles and Brisbane, Australia. Founded in 2016, they have about 8 employees that serve clients in a variety of industries. Services include commercial financing, ERP consulting, and accounting.
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74$1,000+2 - 9 employeesPalmdale, CAPhone answering service Z4 Tech Medical Solutions is located in Palmdale, California and Muharraq, Bahrain. The small team offers call center services and back office outsourcing and was founded in 2022.Read More
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75$1,000+2 - 9 employeesManhattan Beach, CARead More
89Bots.com is a Messenger marketing automation studio founded in Los Angeles with no more than 10 professionals. They offer conversion optimization, web development, and AI solutions to small and medium-sized companies alike.
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edTechBaseIndustries
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76$1,000+50 - 249 employeesSan Diego, CAPhone answering service Phone Net is located in San Diego, California. They focus on Call Center Services and Customer Service Outsourcing.Read More
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77$10,000+250 - 999 employeesThousand Oaks, CALaunched in 2017, Advatix is a Logistics & Supply Chain Consulting and Customer Service Outsourcing company. The agency focuses on Logistics & Supply Chain Consulting and Customer Service Outsourcing.Read More
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78$1,000+50 - 249 employeesSanta Monica, CACalltastic is a Business Consulting company located in Santa Monica, California. The team specializes in Business Consulting and Call Center Services.Read More
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79$50,000+250 - 999 employeesIrvine, CAMedbilling rcm is a Back Office Outsourcing company founded in 2014. The firm offers Back Office Outsourcing, and is midsize.Read More
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80$1,000+50 - 249 employeesFremont, CALaunched in 2023, My Care International is a call center. Their team offers Call Center Services and Back Office Outsourcing.Read More
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81$1,000+10 - 49 employeesModesto, CADoctor Billing Experts, a Customer Service Outsourcing company, was established in 2023. Headquartered in Modesto, California, the team provides Customer Service Outsourcing and Call Center Services.Read More
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82Undisclosed50 - 249 employeesBurlingame, CAEstablished in 2023, HHRG Services is a Back Office Outsourcing company. The team specializes in Back Office Outsourcing and Document Digitization & Management.Read More
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83$5,000+10 - 49 employeesSan Diego, CATelephone answering service Manifest Direct Marketing, LLC is in San Diego, California. They specialize in Call Center Services and Sales Outsourcing and were established in 2018.Read More
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84$1,000+2 - 9 employeesLaguna Beach, CARead More
Established in 2022, Salesautomators is a CRM consulting and SI company. They are headquartered in Laguna Beach, California and have a small team. The company offers CRM consulting and SI, IT strategy consulting, other IT consulting and SI, business consulting, and more.
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85Undisclosed50 - 249 employeesGilroy, CARush Order, a Fulfillment company, was launched in 1989. The company specializes in Fulfillment and Warehousing & Distribution.Read More
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86Undisclosed2 - 9 employeesSan Diego, CAInteliKinect is a Back Office Outsourcing company. The team offers Back Office Outsourcing and Call Center Services, and the company is based in San Diego, California.Read More
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87$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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88$250,000+50 - 249 employeesLos Angeles, CAMidsize call center service Global Voxe Inc., is headquartered in Los Angeles, California. The team provides Call Center Services and Customer Service Outsourcing.Read More
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89$1,000+250 - 999 employeesLos Angeles, CAAllzone Management Solutions is a Back Office Outsourcing company. Headquartered in Los Angeles, California, their team offers Back Office Outsourcing and Call Center Services.Read More
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90$1,000+10,000+ employeesIrvine, CARead More
Founded in 1999, Alorica is a large non-voice bpo/back office services and call center. Their services include non-voice bpo/back office services and voice services. The firm is headquartered in Irvine, California.
Industries
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