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.
Jump to Most Reviewed Companies
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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91Undisclosed10 - 49 employeesLaguna Hills, CAPhysicians management network inc is a Finance & Accounting Outsourcing (FAO) company. Established in 2000, the team provides Finance & Accounting Outsourcing (FAO) and Call Center Services.Read More
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92Undisclosed10 - 49 employeesCarlsbad, CALa Costa Telecom, an IT managed services company, was established in 2025. The company focuses on IT managed services and Call Center Services, and is small.Read More
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93Undisclosed2 - 9 employeesGlendale, CALaunched in 2021, Freeform PR & Branding is a PR company. The team specializes in Public Relations and Social Media Marketing.Read More
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94$5,000+2 - 9 employeesHermosa Beach, CAFounded in 2014, Panoptic Group is a Sales Outsourcing company. The small team focuses on Sales Outsourcing and Marketing Strategy.Read More
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95$1,000+10 - 49 employeesAnaheim, CAQuadra Digital Solutions is a small social media marketing firm. Established in 2018, the agency is based in München, Germany and Anaheim, California. Their team provides social media marketing, content marketing, email marketing, conversion optimization, and more.Read More
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96$1,000+2 - 9 employeesSan Diego, CAWAVE.BAND is an other IT consulting and SI company based in San Diego, California. Launched in 2016, the team offers other IT consulting and SI and Call Center Services.Read More
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97Undisclosed2 - 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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98$5,000+10 - 49 employeesSan Diego, CABased in San Diego, California, Wave Representatives is a small Direct Marketing company. Their services include Direct Marketing and Marketing Strategy.Read More
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99Undisclosed10 - 49 employeesSanta Clara, CAAuto Car Dealers is an Advertising company launched in 2007. The firm provides Advertising and Sales Outsourcing.Read More
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100$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.
Clients
The County of SonomaIndustries
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101Undisclosed50 - 249 employeesRoseville, CALevel 9 Virtual is a graphic design agency. The midsize Roseville, California-based firm was founded in 2017. Their services include Graphic Design, Social Media Marketing, Web Development, Customer Service Outsourcing, and more.Read More
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102$1,000+50 - 249 employeesSouth Melbourne, AustraliaBGF - B2B Growth with AI Agents is an AI Agents company located in Bengaluru, India; mumbai, India; Singapore, Singapore and South Melbourne, Australia. They focus on AI Agents, Sales Outsourcing, and Demand Generation Marketing and were launched in 2011.Read More
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EasyEcomIndustries
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103$1,000+50 - 249 employeesTorrance, CATGS Trans Global Services is a midsize IT strategy consulting company founded in 2016. Their services include IT strategy consulting and Web Development.Read More
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104$1,000+10 - 49 employeesCastaic, CAHuman Medical Billing is a Back Office Outsourcing company. Headquartered in Castaic, California and Los Angeles, California, the firm provides Back Office Outsourcing and Call Center Services.Read More
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105$1,000+2 - 9 employeesLos Angeles, CACall center company AWESOME OS was launched in 2006. The small team focuses on Call Center Services and Back Office Outsourcing.Read More
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106$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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107Undisclosed10 - 49 employeesTiburon, CAMarketing Strategy company Rise25 focuses on Marketing Strategy and Corporate Training & Coaching. They were established in 2015.Read More
Industries
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108$10,000+50 - 249 employeesRiverside, CAIn Riverside, California, Q-vantage is a midsize social media marketing company. Their services include Social Media Marketing and IT strategy consulting.Read More
Clients
The Salvation Army -
109$5,000+2 - 9 employeesLos Angeles, CACommercial Brokerage Services company The Valley Business Broker was founded in 2010. Located in Los Angeles, California, the team offers Commercial Brokerage Services and Business Consulting.Read More
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110$1,000+10 - 49 employeesSan Francisco, CARevGen Genius is a CRM consulting and SI company established in 2022. The company specializes in CRM consulting and SI and Back Office Outsourcing.Read More
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111$1,000+10 - 49 employeesIrvine, CALaunched in 2013, Chrysalis Communications is a small branding company. Their team focuses on Branding and Digital Strategy.Read More
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112Undisclosed250 - 999 employeesCerritos, CABristol Healthcare Services is an other IT consulting and SI company. Based in Cerritos, California, their team provides other IT consulting and SI and Back Office Outsourcing.Read More
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113$1,000+250 - 999 employeesLivermore, CAPerformant is an answering service launched in 1976. The team focuses on Call Center Services and Accounting.Read More
Industries
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114$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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115$1,000+50 - 249 employeesPleasant Hill, CACall24 Communications, an answering service, is located in Pleasant Hill, California. Founded in 1985, the team focuses on Call Center Services and Customer Service Outsourcing.Read More
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116$1,000+50 - 249 employeesSan Francisco, CATactical TeleSolutions is a telephone answering service. Founded in 1991, the agency is located in San Francisco, California. Their services include Call Center Services and Sales Outsourcing.Read More
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117$1,000+10 - 49 employeesOakland, CATopaz Services, a phone answering service, is in Oakland, California. They offer Call Center Services and Customer Service Outsourcing and were founded in 1986.Read More
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118$1,000+50 - 249 employeesBerkeley, CADirect Line is a call center company. They are located in Berkeley, California and have midsize team. They specialize in Call Center Services and Customer Service Outsourcing.Read More
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119$1,000+2 - 9 employeesSanta Ana, CASmall telephone answering service LaBell Exchange, is located in Santa Ana, California. The team focuses on Call Center Services.Read More
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120$1,000+50 - 249 employeesLos Angeles, CACallCentersNow, a call center, was established in 2015. They focuses on Call Center Services and Sales Outsourcing.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
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