Top 100 Call Center Services in Berkeley
The Best of December 2025Looking for a top voice service and call center company in Berkeley?
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 Berkeley. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Berkeley 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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31$1,000+2 - 9 employeesSan Francisco, CASales Outsourcing company Lavendo was founded in 2021. The team specializes in Sales Outsourcing and Staffing and is based in San Francisco, California.Read More
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32Undisclosed10 - 49 employeesOakland, CALaunched in 2009, WHM Creative is a small Advertising company based in Oakland, California. Their team offers Advertising and Branding.Read More
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33Undisclosed10 - 49 employeesSan Francisco, CASeal and Scale is a social media marketing firm. Launched in 2025, the agency provides Social Media Marketing and Search Engine Optimization.Read More
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34$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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35$5,000+10 - 49 employeesMenlo Park, CARead More
Rising Tides, an Email Marketing company, was established in 2024. They are headquartered in Menlo Park, California and have a small team. Their services include Email Marketing, Sales Outsourcing, Content Marketing, Social Media Marketing, and more.
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36$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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37$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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38Undisclosed250 - 999 employeesSan Ramon, CARead More
Five9 is a cloud-based call center software provider. Their team of about 1,000 employees is based in San Ramon, Calif. Services include CRM, ERP, and IT consulting, as well as voice services. They were founded in 2001.
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DebtCleanseIndustries
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39Undisclosed250 - 999 employeesPleasanton, CAMidsize answering service Packet Fusion, is in Pleasanton, California and Pleasanton, California. Their services include Call Center Services.Read More
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40Undisclosed250 - 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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41Undisclosed250 - 999 employeesSan Francisco, CALaunched in 2012, S2W Media is a Business Consulting company. The team specializes in Business Consulting and Email Marketing and is located in New York, New York and San Francisco, California.Read More
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42Undisclosed10 - 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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43$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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44$1,000+1,000 - 9,999 employeesSan Mateo, CAMotif is a large answering service company headquartered in San Mateo, California and Ahmedabad, India. The team specializes in Call Center Services.Read More
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45Undisclosed50 - 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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46Undisclosed10 - 49 employeesTiburon, CAMarketing Strategy company Rise25 focuses on Marketing Strategy and Corporate Training & Coaching. They were established in 2015.Read More
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47Undisclosed50 - 249 employeesSan Francisco, CABuzzBoard is a CRM consulting and SI company. The team is in San Francisco, California and Lyndhurst, New Jersey, and their services include CRM consulting and SI and Sales Outsourcing.Read More
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48Undisclosed50 - 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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49$1,000+1,000 - 9,999 employeesSan Jose, CARead More
LiveHelpIndia is a back office outsourcing company founded in 2006. They are headquartered in San Jose, California and have a midsize team. Their services include back office outsourcing, customer service outsourcing, and sales outsourcing.
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50$250,000+1,000 - 9,999 employeesSouth San Francisco, CAIntelassist is a Quezon City, Philippines-based telephone answering service. Founded in 2007, the team provides Call Center Services and Back Office Outsourcing.Read More
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51Undisclosed50 - 249 employeesFairfield, CATelegenisys Inc is a Fairfield, California-based Back Office Outsourcing company. They focus on Back Office Outsourcing and Customer Service Outsourcing.Read More
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52$1,000+50 - 249 employeesFremont, CALaunched in 2023, My Care International is a call center. Their team offers Call Center Services and Back Office Outsourcing.Read More
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53Undisclosed10 - 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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54Undisclosed10 - 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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55Undisclosed10 - 49 employeesWalnut Creek, CAPIVOT Agency is a branding company. The Walnut Creek, California-based firm was established in 2013. Their team specializes in Branding and Market Research.Read More
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56Undisclosed2 - 9 employeesBrisbane, CAMagellan USA is a small Brisbane, California-based IT managed services company. Their services include IT managed services and HR Consulting.Read More
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57$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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58Undisclosed50 - 249 employeesSan Ramon, CAEzyteams is a Back Office Outsourcing company. They are headquartered in San Ramon, California and have midsize team. They focus on Back Office Outsourcing and Finance & Accounting Outsourcing (FAO).Read More
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59Undisclosed2 - 9 employeesSan Francisco, CAResource Fast is a Back Office Outsourcing company located in San Francisco, California. Founded in 2018, the team focuses on Back Office Outsourcing and Call Center Services.Read More
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60$1,000+1,000 - 9,999 employeesSan Jose, CACall center company 8x8 was founded in 1987. The team offers Call Center Services.Read More
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