Top 50 Telemarketing Companies in Irvine
The Best of December 2025Looking for a top telemarketing service in Irvine?
With so many companies telemarketing in today’s world, it can be difficult for your company’s calls to stand out amongst the competition. Partnering with a telemarketing service can help your company reach the maximum amount of customers.
To assist you in your search for a partner, we’ve compiled this list of the top telemarketing companies in Irvine. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Irvine Telemarketing Services
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31Undisclosed10 - 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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32Undisclosed2 - 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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33$1,000+50 - 249 employeesLos Angeles, CAZventus is an answering service. The midsize Los Angeles, California-based team specializes in Call Center Services and Sales Outsourcing. The firm was established in 2016.Read More
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34$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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35Undisclosed50 - 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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36Undisclosed10 - 49 employeesLos Angeles, CACall center Convoso is based in Los Angeles, California. The team provides Call Center Services and Sales Outsourcing.Read More
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37$5,000+50 - 249 employeesLos Angeles, CAHighPower is a midsize Customer Service Outsourcing company. Founded in 2015, the team provides Customer Service Outsourcing and Call Center Services.Read More
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38Undisclosed2 - 9 employeesLos Angeles, CAVirtunect BPO is a Sales Outsourcing company. Headquartered in Los Angeles, California, their team offers Sales Outsourcing and Back Office Outsourcing.Read More
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39Undisclosed2 - 9 employeesGlendale, CACall center Universal Contact Centers is headquartered in Tijuana, Mexico and Glendale, California. They focus on Call Center Services and Finance & Accounting Outsourcing (FAO).Read More
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40$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.
Industries
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41$1,000+50 - 249 employeesSan Diego, CAPhone answering service Phone Net is located in San Diego, California. They focus on Call Center Services and Customer Service Outsourcing.Read More
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42$10,000+250 - 999 employeesSan Diego, CAValoroo, an IT staff augmentation company, is headquartered in San Diego, California. Established in 2019, the team provides IT staff augmentation and Call Center Services.Read More
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43$100,000+1,000 - 9,999 employeesSan Diego, CACall Center Services International, a telephone answering service, is based in San Diego, California and Tijuana, Mexico. They focus on Call Center Services and Customer Service Outsourcing.Read More
Industries
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44$25,000+50 - 249 employeesSan Diego, CAPhone Ware is a telephone answering service based in San Diego, California. Launched in 1977, the team provides Call Center Services and Customer Service Outsourcing.Read More
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45$1,000+2 - 9 employeesPalmdale, CAPhone answering service Z4 Tech Medical Solutions is located in Palmdale, California and Muharraq, Bahrain. The small team offers call center services and back office outsourcing and was founded in 2022.Read More
Industries
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46$1,000+10,000+ employeesGardena, CAEstablished in 1966, transcosmos is a Customer Service Outsourcing company. Their team provides Customer Service Outsourcing and Call Center Services.Read More
Industries
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47$1,000+10 - 49 employeesLos Angeles, 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
Industries
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48$1,000+50 - 249 employeesSan Bernardino, CAFounded in 2017, Information Process Solutions is a social media marketing firm. The team offers Social Media Marketing and Search Engine Optimization and is located in San Bernardino, California and.Read More
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49Undisclosed250 - 999 employeesJurupa Valley, CATelephone answering service One World Direct was founded in 1994. The team specializes in Call Center Services and Back Office Outsourcing.Read More
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50Undisclosed250 - 999 employeesIrvine, CATech-Synergy is a Business Consulting company. The team offers Business Consulting and Call Center Services and is in Irvine, California and Dumaguete, Philippines.Read More
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51$1,000+50 - 249 employeesSan Marcos, CAIT managed services company Tri-Community Answering Service was launched in 1968. The midsize team offers IT managed services and Call Center Services.Read More
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