Top 100 Call Center Services in California
The Best of September 2026Looking 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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$10,000+50 - 249 employeesBoca Raton, FLRead More
SalesRoads is a Sales Outsourcing company. Their midsize team is based in Boca Raton, Florida; Haddonfield, New Jersey and Philadelphia, Pennsylvania. The agency focuses on Sales Outsourcing, Email Marketing, and Call Center Services. The agency was founded in 2007.
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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, FLXACT, an answering service company, was founded in 1996. Their midsize team is in Orlando, Florida and Unity, Maine. The agency specializes in Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and Staffing.Read More
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241Undisclosed10 - 49 employeesBurlingame, CAAdveraTech LLC is an AI firm. They were founded in 2026 and provide Artificial Intelligence and Advertising.Read More
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242Undisclosed50 - 249 employeesLos Angeles, CAPioneer Lists is a midsize Sales Outsourcing company. They focus on Sales Outsourcing and Marketing Strategy and were founded in 1997.Read More
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243Undisclosed50 - 249 employeesCalabasas, CACedar Financial, a telephone answering service, was founded in 1991. The team offers Call Center Services and Back Office Outsourcing and is in Calabasas, California.Read More
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244Undisclosed50 - 249 employeesBurlingame, CAEFlexervices, Inc., a call center company, was launched in 2001. The firm specializes in Call Center Services and Customer Service Outsourcing.Read More
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245Undisclosed2 - 9 employeesMill Valley, CAEstablished in 2024, Fluents.ai is a phone answering service. The company focuses on Call Center Services, AI Agents, IT staff augmentation, AI Consulting, and more and has a small team. The company is located in Mill Valley, California.Read More
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246$10,000+2 - 9 employeesSan Francisco, CAMoulton Digital is a social media marketing agency. They focus on Social Media Marketing and Content Marketing and were established in 2016.Read More
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247Undisclosed2 - 9 employeesIrvine, CAAccumulated, Inc. Is a small Application Management & Support company founded in 2023. Their team focuses on Application Management & Support and Marketing Strategy.Read More
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248$1,000+10 - 49 employeesSan Francisco, CAHireAthena is an Accounting company. They are located in San Francisco, California and have small team. Their services include Accounting and Call Center Services.Read More
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249$1,000+10 - 49 employeesLos Angeles, CABack Office Outsourcing company VirtuHire US is located in Los Angeles, California. The small team offers Back Office Outsourcing, Call Center Services, HR Outsourcing, and Sales Outsourcing. The company was established in 2019.Read More
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250$5,000+2 - 9 employeesSan Francisco, CARevSculpt, an Email Marketing company, was launched in 2026. The agency offers Email Marketing, CRM consulting and SI, Demand Generation Marketing, Account-Based Marketing, and more and has a small team.Read More
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251Undisclosed250 - 999 employeesLos Angeles, CAMarket Research company Plaza Research was launched in 1982. The company offers Market Research and Call Center Services.Read More
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252Undisclosed250 - 999 employeesSan Francisco, CADemandbase, a branding firm, is headquartered in San Francisco, California and St Albans, England. They focus on Branding and Marketing Strategy.Read More
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253Undisclosed250 - 999 employeesSan Mateo, CABrightEdge is a SEO company. Launched in 2007, the firm is in San Mateo, California. Their team provides Search Engine Optimization and Content Marketing.Read More
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254Undisclosed50 - 249 employeesTorrance, CAWalker Advertising is a media planning & buying agency. The midsize Torrance, California-based team focuses on Media Planning & Buying and Call Center Services. The firm was established in 1984.Read More
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255Undisclosed1,000 - 9,999 employeesCulver City, CARead More
GeBBS Healthcare Solutions, a call center service, is in Culver City, California. The large team provides Call Center Services, Customer Service Outsourcing, and Back Office Outsourcing and was established in 2005.
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256Undisclosed10 - 49 employeesTiburon, CATiburon Media Group, a PPC company, was launched in 2023. The team specializes in Pay Per Click and Sales Outsourcing.Read More
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257Undisclosed50 - 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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258Undisclosed1,000 - 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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259$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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260Undisclosed10 - 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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261Undisclosed2 - 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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262Undisclosed2 - 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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263Undisclosed10 - 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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264Undisclosed10 - 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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265Undisclosed10 - 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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266$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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267Undisclosed50 - 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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268Undisclosed50 - 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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269Undisclosed2 - 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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270UndisclosedFreelancer employeesNewport Beach, CAAmerican Harvest Group is a Sales Outsourcing company. The team focuses on Sales Outsourcing and is in Newport Beach, California.Read More
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Check out a Call Centers in California with the most new reviews in the past 12 months.
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