Top 100 Back Office BPO Services in Irvine
The Best of April 2026Looking for a top non-voice BPO service provider in Irvine?
Business process outsourcing (BPO) is growing globally, with a growth rate of about 4%. Back office BPO services make it easier for businesses to tackle core back office activities such as accounting or record maintenance while prioritizing core business processes and operations.
To assist you in your search for a partner, we’ve compiled this list of the top back office BPO companies in Irvine. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Irvine Back Office BPO Firms
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121Undisclosed250 - 999 employeesCalabasas, CARemote Scouts is a Calabasas, California-based Back Office Outsourcing company. They specialize in Back Office Outsourcing and Business Consulting and were founded in 2022.Read More
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122Undisclosed10 - 49 employeesRiverside, CAEXtéres Corporation is a Riverside, California-based SEO services firm. Launched in 2007, the team focuses on Search Engine Optimization and Pay Per Click.Read More
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123$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.
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124Undisclosed10 - 49 employeesLos Angeles, CABased in Los Angeles, California, Lock & Locksmith Services is a Business Consulting company. They offer Business Consulting and Back Office Outsourcing and were established in 1997.Read More
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125$1,000+250 - 999 employeesLos Angeles, CABack Office Outsourcing company Rust Omni was launched in 1970. Located in Los Angeles, California, the team focuses on Back Office Outsourcing and Web Design.Read More
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126Undisclosed50 - 249 employeesSimi Valley, CAXassure by eDesk is a Simi Valley, California-based Back Office Outsourcing company. They specialize in Back Office Outsourcing and were launched in 2010.Read More
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127Undisclosed10 - 49 employeesLos Angeles, CALocksmith & Lock Store is a Los Angeles, California-based Business Consulting company. Launched in 1980, the team offers Business Consulting and Back Office Outsourcing.Read More
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128Undisclosed50 - 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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129$1,000+50 - 249 employeesSan Diego, CATLK Medical Group is a Back Office Outsourcing company. They are headquartered in San Diego, California and have midsize team. Their services include Back Office Outsourcing.Read More
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130Undisclosed50 - 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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131$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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132$5,000+2 - 9 employeesVictorville, CAMajestic Medical Billing, LLC, a Back Office Outsourcing company, is headquartered in Victorville, California. They provide Back Office Outsourcing.Read More
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133$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
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134Undisclosed2 - 9 employeesLos Angeles, CAHire Highs is a SEO agency. Launched in 2024, the team offers Search Engine Optimization and Social Media Marketing.Read More
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135Undisclosed2 - 9 employeesLos Angeles, CAElite Focus is a social media marketing firm. They are in Los Angeles, California and have small team. Their services include Social Media Marketing and Content Marketing.Read More
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136Undisclosed2 - 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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137$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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138$1,000+50 - 249 employeesSan Diego, CAPro Back Office is a Back Office Outsourcing company. Launched in 2012, the team offers Back Office Outsourcing and Finance & Accounting Outsourcing (FAO).Read More
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139Undisclosed2 - 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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140Undisclosed1,000 - 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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141$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
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142$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
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143Undisclosed50 - 249 employeesIrvine, CAFounded in 2002, Altos Incorporated is a midsize Back Office Outsourcing company. Their services include Back Office Outsourcing and Transcription.Read More
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144Undisclosed10 - 49 employeesMission Viejo, CACall center company and back office outsourcing company Support Associates, Inc. Is located in Mission Viejo, California. The small company was launched in 1992. Their team specializes in call center services and back office outsourcing.Read More
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145Undisclosed250 - 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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146Undisclosed250 - 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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147Undisclosed10 - 49 employeesSanta Monica, CASmall Back Office Outsourcing company Mystic River Consulting, is headquartered in Santa Monica, California. The team provides Back Office Outsourcing and IT managed services.Read More
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148Undisclosed10 - 49 employeesLos Angeles, CADAK IT HUB GROUP Pvt. Ltd. Is a Direct Marketing company. Founded in 2012, the team provides Direct Marketing and Back Office Outsourcing.Read More
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149$1,000+2 - 9 employeesPoway, CAPro Outsourcing is a phone answering service launched in 2015. Based in Poway, California, the team focuses on Call Center Services and Back Office Outsourcing.Read More
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150Undisclosed10 - 49 employeesSanta Clarita, CADIGITAL TELECOMMUNICATION CORP (DTC) is a small Cybersecurity company. They specialize in Cybersecurity and IT managed services and were founded in 1982.Read More
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