Top 100 Call Center Services in California
The Best of December 2025Looking for a top voice service and call center company in California?
Voice services companies provide value to your company: automating your client communication allows your company the flexibility to devote resources to core firm-building activities.
To assist you in your search for a partner, we’ve compiled this list of the top voice and call center services in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
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List of the Best California Voice Services Providers
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$1,000+250 - 999 employeesHatboro, PARead More
HelpSquad, LLC is a midsize in Quakertown, Pennsylvania and Hatboro, Pennsylvania. They specialize in and were established in 2011.
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$1,000+1,000 - 9,999 employeesChicago, ILEstablished in 2017, Hugo Inc. Is a Customer Service Outsourcing company. The agency specializes in Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, Content Moderation Services, and more and has a large team. The agency is in Chicago, Illinois and Lagos, Nigeria.Read More
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$1,000+250 - 999 employeesOrlando, FLRead More
Answering service company XACT was founded in 1998. Their midsize team is in Orlando, Florida and Unity, Maine. XACT focuses on Call Center Services, Customer Service Outsourcing, Sales Outsourcing, Back Office Outsourcing, and more.
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181Undisclosed50 - 249 employeesBerkeley, CALaunched in 1979, Direct Line Tele Response is a call center. The midsize team offers Call Center Services and Customer Service Outsourcing.Read More
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182Undisclosed1,000 - 9,999 employeesLake Forest, CAImagenet LLC is a Back Office Outsourcing company. The team specializes in Back Office Outsourcing and Customer Service Outsourcing and is located in Tampa, Florida and Lake Forest, California.Read More
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183$1,000+50 - 249 employeesFoster City, CAFunnL, a Sales Outsourcing and Account-Based Marketing company, is located in Foster City, California and Hyderabad, India. Their services include Sales Outsourcing and Account-Based Marketing.Read More
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184Undisclosed10 - 49 employeesVisalia, CAAcclaim Credit Technologies, an answering service company, is located in Visalia, California. The team focuses on Call Center Services.Read More
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185Undisclosed2 - 9 employeesSan Diego, CABack Office Outsourcing company Summit Horizon Solutions is located in San Diego, California. Launched in 2014, the team offers Back Office Outsourcing and Call Center Services.Read More
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186Undisclosed2 - 9 employeesLivermore, CABack Office Outsourcing company A&H Billing Specialties is based in Livermore, California. They offer Back Office Outsourcing and Sales Outsourcing and were launched in 1999.Read More
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187Undisclosed2 - 9 employeesBakersfield, CACentral Valley Search Partners, LLC is a Finance & Accounting Outsourcing (FAO) company. Their services include Finance & Accounting Outsourcing (FAO).Read More
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188Undisclosed10 - 49 employeesGlendale, CAReliable Translations, Inc., a small Translation company, is headquartered in Glendale, California. The team provides Translation and Call Center Services.Read More
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189Undisclosed10 - 49 employeesLos Angeles, CAWeb Leads Inc is a small Advertising company. They specialize in Advertising and Mobile App Development and were established in 2010.Read More
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190Undisclosed10 - 49 employeesLos Angeles, CAOptimal Fusion is an Email Marketing company. Launched in 1996, the agency is based in Los Angeles, California. Their services include Email Marketing and Advertising.Read More
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191$1,000+50 - 249 employeesLos Angeles, CABusiness Consulting company SD&A Teleservices is based in Los Angeles, California. Their services include Business Consulting and Call Center Services.Read More
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192Undisclosed50 - 249 employeesSanta Barbara, CAInvoca, an Advertising company, is headquartered in Santa Barbara, California. The team offers Advertising and Call Center Services.Read More
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193Undisclosed50 - 249 employeesRedwood City, CACyara is an user experience agency. The Redwood City, California-based firm was launched in 2006. Their services include UX/UI Design and Artificial Intelligence.Read More
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194Undisclosed2 - 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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195Undisclosed50 - 249 employeesBrisbane, CAVOX Network Solutions is a software development firm. The team focuses on Custom Software Development and Customer Service Outsourcing and is located in Brisbane, California.Read More
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196$10,000+10 - 49 employeesLos Angeles, CALaunched in 2024, Customer First Solutions is a call center company. The small team focuses on Call Center Services and Customer Service Outsourcing.Read More
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197Undisclosed10 - 49 employeesFresno, CALaunched in 2015, Xobee Networks is a small call center in Fresno, California. Their team specializes in Call Center Services and cloud consulting & SI.Read More
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198$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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199Undisclosed50 - 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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200Undisclosed50 - 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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201Undisclosed50 - 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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202Undisclosed50 - 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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203$1,000+50 - 249 employeesLos Angeles, CANowcom is a Back Office Outsourcing company. Founded in 1996, their team provides Back Office Outsourcing and Custom Software Development.Read More
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204Undisclosed2 - 9 employeesRedondo Beach, CABack Office Outsourcing company Calibrated Solutions, LLC. Is in Redondo Beach, California. Launched in 2007, the team provides Back Office Outsourcing and Call Center Services.Read More
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205Undisclosed2 - 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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206$250,000+1,000 - 9,999 employeesSanta Clarita, CARead More
Human resources firm Tri Source International, LLC was established in 2007. They are based in Santa Clarita, California and have a large team. Their services include HR services, non-voice bpo/back office services, branding, voice services, and more.
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207$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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208Undisclosed10 - 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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209Undisclosed10 - 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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210Undisclosed10 - 49 employeesLos Angeles, CAAloola.io is a PPC agency. Established in 2019, the agency is located in Los Angeles, California. Their team focuses on Pay Per Click and Search Engine Optimization.Read More
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Check out a Call Centers in California with the most new reviews in the past 12 months.
Most Reviewed
Call Centers
California
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