Top 100 Business Processes Outsourcing (BPO) Companies in California
The Best of February 2026Looking 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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331$1,000+50 - 249 employeesManhattan Beach, CARead More
Omnie Integrated Services Inc., a non-voice bpo/back office services company, was established in 2020. The company specializes in non-voice bpo/back office services and voice services and has a small team.
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332Undisclosed2 - 9 employeesSan Diego, CAEstablished in 2024, Starry Solutions is a phone answering service. The agency offers Call Center Services.Read More
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333$1,000+50 - 249 employeesLos Angeles, CAMidsize telephone answering service Medallion, is in Los Angeles, California. The team provides voice services.Read More
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334$1,000+10 - 49 employeesSan Diego, CACall Pros Call Center is a call center. Their small team is headquartered in San Diego, California. Their services include Call Center Services and Customer Service Outsourcing.Read More
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335Undisclosed50 - 249 employeesCalabasas, CADavis Research is a midsize Calabasas, California-based Market Research company. Their services include Market Research and Call Center Services.Read More
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336Undisclosed50 - 249 employeesLos Angeles, CACalifornia Survey Research Services is a Market Research company. Their team is in Los Angeles, California and offers Market Research and Call Center Services.Read More
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337Undisclosed50 - 249 employeesSan Jose, CARed Oak Technologies is a Business Consulting company. Their midsize team is in San Jose, California and focuses on Business Consulting and HR Outsourcing. The company was founded in 1995.Read More
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338Undisclosed50 - 249 employeesEl Segundo, CAEmpaxis Data Management, Inc. Is an Accounting company. The El Segundo, California-based firm was established in 2004. Their services include Accounting and Back Office Outsourcing.Read More
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339Undisclosed50 - 249 employeesSanta Clara, CAMarrina Decisions is a Santa Clara, California-based CRM consulting and SI company. They specialize in CRM consulting and SI and Email Marketing and were founded in 2013.Read More
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340Undisclosed50 - 249 employeesRedwood City, CASplit Software, Inc. Is an Application Testing company. They offer Application Testing and Custom Software Development and were launched in 2015.Read More
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341Undisclosed50 - 249 employeesSan Francisco, CAChef Robotics is an artificial intelligence development company. The firm is in San Francisco, California. Their team specializes in Artificial Intelligence and Application Testing.Read More
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342Undisclosed50 - 249 employeesSan Francisco, CAOdetta, Inc. Is a social media marketing agency located in San Francisco, California. They provide Social Media Marketing and Search Engine Optimization.Read More
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343$1,000+2 - 9 employeesSan Jose, CASmall call center company San Jose Answering Service, is based in San Jose, California. The team offers Call Center Services and Sales Outsourcing.Read More
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344$1,000+2 - 9 employeesSacramento, CAGolden Goose Marketing is a SEO services firm based in Sacramento, California. Their services include Search Engine Optimization and Pay Per Click.Read More
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345Undisclosed10 - 49 employeesCalabasas, CASmall call center Community Answering Service, is based in Calabasas, California. Their services include Call Center Services and Customer Service Outsourcing.Read More
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346Undisclosed10 - 49 employeesLos Angeles, CATCC ANSWERING SERVICE is a telephone answering service. They are based in Los Angeles, California and have small team. Their services include Call Center Services and Customer Service Outsourcing.Read More
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347Undisclosed2 - 9 employeesRedding, CAObsidian IT is a small Back Office Outsourcing company based in Redding, California. Their services include Back Office Outsourcing and cloud consulting & SI.Read More
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348Undisclosed2 - 9 employeesWalnut Creek, CALennon BPO is an Accounting company. The company is in Walnut Creek, California. Their services include Accounting and Back Office Outsourcing.Read More
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349Undisclosed2 - 9 employeesRoseville, CABack Office Outsourcing company Halldin Public Relations is headquartered in Roseville, California. The team focuses on Back Office Outsourcing and Event Marketing.Read More
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350Undisclosed2 - 9 employeesCarlsbad, CASkyblue is a cloud consulting & SI company. Established in 2010, the company specializes in cloud consulting & SI and CRM consulting and SI.Read More
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351Undisclosed10 - 49 employeesBeverly Hills, CAHeadquartered in Beverly Hills, California, A1 GILBERT ANSWERING SERVICE is a small call center. Their services include Call Center Services and Customer Service Outsourcing.Read More
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352Undisclosed10 - 49 employeesLos Angeles, CACall center Constant Link was launched in 2009. The team focuses on Call Center Services and Customer Service Outsourcing.Read More
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353Undisclosed10 - 49 employeesSanta Rosa, CAFounded in 1979, Hartley and Associates is a small Santa Rosa, California-based call center. Their services include Call Center Services and Customer Service Outsourcing.Read More
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354$10,000+50 - 249 employeesSan Jose, CAOzonetel Communications is a San Jose, California-based phone answering service. Their services include Call Center Services and CRM consulting and SI.Read More
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355$5,000+10 - 49 employeesLos Angeles, CAArmi Technologies is a web development company. Their team is headquartered in Los Angeles, California. The company focuses on Web Development and Social Media Marketing.Read More
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356Undisclosed10 - 49 employeesNewport Beach, CAPrivate Club Marketing, a Back Office Outsourcing company, was launched in 2009. The team offers Back Office Outsourcing and Branding.Read More
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357Undisclosed10 - 49 employeesLos Angeles, CAGM Realty Advisors, a small Commercial Brokerage Services company, is based in Los Angeles, California. Their services include Commercial Brokerage Services and Commercial Financing.Read More
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358Undisclosed10 - 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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359Undisclosed10 - 49 employeesConcord, CACRM consulting and SI company SaaScend is based in Concord, California. The team specializes in CRM consulting and SI and Application Management & Support.Read More
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360Undisclosed10 - 49 employeesSan Francisco, CAJumpClick is a social media marketing agency. They are headquartered in San Francisco, California and have small team. Their services include Social Media Marketing and Email Marketing.Read More
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