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.
Jump to Most Reviewed Companies
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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