Top 100 Business Processes Outsourcing (BPO) Companies in Berkeley
The Best of December 2025Looking for a top business process outsourcing company in Berkeley?
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 Berkeley. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Berkeley BPO Services
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1$1,000+250 - 999 employeesSan Francisco, CARead More
Martal Group is a Sales Outsourcing company launched in 2009. The midsize team focuses on Sales Outsourcing, Email Marketing, and Call Center Services. The agency is in Oakville, Canada; San Francisco, California and Uniondale, New York.
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BoschIndustries
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2$1,000+50 - 249 employeesBerkeley, CARead More
Wing Assistant, a back office outsourcing company, was established in 2018. Their midsize team is located in Berkeley, California. Their services include back office outsourcing, customer service outsourcing, sales outsourcing, call center services, and more.
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3$1,000+50 - 249 employeesOakland, CARead More
Located in Oakland, California, Telecom, Inc. Is an answering service. The midsize agency was established in 1993. Their services include voice services and non-voice bpo/back office services.
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4$1,000+50 - 249 employeesSan Francisco, CAWrrk is a Customer Service Outsourcing company based in San Francisco, California. Founded in 2016, the midsize team offers Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, and Document Digitization & Management.Read More
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5$1,000+50 - 249 employeesSan Francisco, CALaunched in 2017, Start Up And Fly Inc. Is a midsize Sales Outsourcing company. Their services include Sales Outsourcing, Market Research, and Recruiting. The company is in Middletown, Delaware; San Francisco, California and San Francisco, California.Read More
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6$1,000+50 - 249 employeesSan Francisco, CARead More
AI Bees is a digital agency in San Francisco. Founded in 2018, they have about 161 employees that serve mostly small-business and midmarket clients in the IT, business, and advertising industries. Services include digital strategy, email marketing, and digital marketing.
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COPADOIndustries
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7$5,000+10 - 49 employeesSan Francisco, CARead More
Green Leads LLC is a telephone answering service located in Hampstead, New Hampshire. The agency offers voice services, email marketing, and content marketing and has a small team.The agency was founded in 2007.
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8Undisclosed10 - 49 employeesOakland, CARead More
Numa is an answering service based in Oakland, Calif., and founded in 2016. Their team of fewer than 50 specializes in voice services for clients ranging from small firms to large corporations in the fields of real estate, hospitality, and retail.
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Emblush BeauteIndustries
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9$1,000+250 - 999 employeesSan Francisco, CARead More
Kareo is a cloud-based medical technology platform based in Irvine, Calif., with offices in San Francisco, Las Vegas, Los Angeles, and Costa Rica. Founded in 2004, Kareo's team of 597 employees provides non-voice BPO/back office services and voice services to healthcare and medical related businesses.
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CapterraIndustries
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10Undisclosed50 - 249 employeesSan Francisco, CADemand Inc., a market research company, was founded in 2017. Their midsize team is headquartered in San Francisco, California and provides market research, sales outsourcing, digital strategy, email marketing, and more.Read More
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11$1,000+250 - 999 employeesSan Francisco, CARead More
DataBees is a market research company established in 2017. They are based in San Francisco, California and have a midsize team. The firm offers market research, sales outsourcing, digital strategy, and CRM consulting and SI.
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12$1,000+250 - 999 employeesBerkeley, CAScale Support, a Customer Service Outsourcing company, is based in Berkeley, California. They provide Customer Service Outsourcing and Call Center Services.Read More
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13$1,000+50 - 249 employeesSan Francisco, CAEmerge natural sales solutions is a midsize Customer Service Outsourcing company in San Francisco, California. The team provides Customer Service Outsourcing and Sales Outsourcing.Read More
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14$1,000+50 - 249 employeesSan Francisco, CAHeadquartered in San Francisco, California, 31West Global Services is a Customer Service Outsourcing company. They specialize in Customer Service Outsourcing and cloud consulting & SI.Read More
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15$1,000+1,000 - 9,999 employeesSan Francisco, CAAthenaHealth is a Back Office Outsourcing company established in 1997. Their team focuses on Back Office Outsourcing and Customer Service Outsourcing.Read More
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16$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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17Undisclosed250 - 999 employeesSan Francisco, CAZenith American Solutions is a Back Office Outsourcing company in Tampa, Florida and San Francisco, California. The team specializes in Back Office Outsourcing and Accounting.Read More
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18$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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19$100,000+10,000+ employeesSan Francisco, CAEstablished in 1999, SalesForsaas is a Data Annotation Services company. Their services include Data Annotation Services and CRM consulting and SI.Read More
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20$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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21Undisclosed10 - 49 employeesSan Francisco, CAAiSDR is a Sales Outsourcing and AI Agents company. They were established in 2023, and their services include Sales Outsourcing and AI Agents.Read More
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22Undisclosed10 - 49 employeesSan Francisco, CACloudVO, a call center company, was founded in 2010. The small team provides Call Center Services.Read More
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23$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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24$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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25$1,000+2 - 9 employeesWalnut Creek, CAReliable Receptionist is an answering service. The Walnut Creek, California-based team offers Call Center Services.Read More
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26Undisclosed50 - 249 employeesSan Francisco, CARead More
Gong is a revenue intelligence platform based in San Francisco. The platform has more than 200 employees and provides direct marketing, email marketing, market research, and non-voice BPO/back office services to midmarket and other-sized companies in various industries.
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27$10,000+2 - 9 employeesConcord, CAFounded in 2019, Gadgetsick is a call center company and IT managed services company. Their services include Call Center Services and IT managed services.Read More
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28Undisclosed50 - 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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29Undisclosed2 - 9 employeesSausalito, CADonna Digital Receptionists is a phone answering service. The Sausalito, California-based agency was launched in 2020. Their services include Call Center Services and Customer Service Outsourcing.Read More
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30$100,000+2 - 9 employeesSan Francisco, CABe Up Outsourcing is a San Francisco, California-based Advertising company. Founded in 2021, the team provides Advertising and Search Engine Optimization.Read More
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