Top 100 Back Office BPO Services in Orange County

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Top 100 Back Office BPO Services in Orange County

The Best of October 2026

Looking for a top non-voice BPO service provider in Orange County?

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. 

List of the Best Orange County Back Office BPO Firms

  • 121
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Beverly Hills, CA
    Positify is a Back Office Outsourcing company. The Beverly Hills, California-based company offers Back Office Outsourcing and Finance & Accounting Outsourcing (FAO).
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  • 122
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Los Angeles, CA
    FlowFi, an Accounting company, was founded in 2020. The midsize team focuses on Accounting and Back Office Outsourcing.
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  • 123
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Upland, CA
    Southland Data Processing, a Back Office Outsourcing company, was founded in 1986. The small team provides Back Office Outsourcing and Corporate Training & Coaching.
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  • 124
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Los Angeles, CA
    DRM, Document Scanning and Shredding Services is a midsize Back Office Outsourcing company. Founded in 2001, the team specializes in Back Office Outsourcing and Document Digitization & Management.
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    Industries

  • 125
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Los Angeles, CA
    MedPOINT Management is a Back Office Outsourcing company located in Los Angeles, California. Founded in 1987, the team focuses on Back Office Outsourcing and Call Center Services.
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  • 126
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $250,000+
    1,000 - 9,999 employees
    Santa Clarita, CA

    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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    Industries

  • 127
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Los Angeles, CA
    Suryavanshi Ventures is a small software development company based in Jabalpur, India and Los Angeles, California. The team provides Custom Software Development and Web Development.
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  • 128
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    El Segundo, CA
    Empaxis Data Management, Inc. Is an Accounting company. The El Segundo, California-based firm was established in 2004. Their services include Accounting and Back Office Outsourcing.
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  • 129
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Redondo Beach, CA
    Back Office Outsourcing company Calibrated Solutions, LLC. Is in Redondo Beach, California. Launched in 2007, the team provides Back Office Outsourcing and Call Center Services.
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  • 130
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Calabasas, CA
    Remote Scouts is a Calabasas, California-based Back Office Outsourcing company. They specialize in Back Office Outsourcing and Business Consulting and were founded in 2022.
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    Industries

  • 131
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Culver City, CA
    Codebusters, Inc. Is a Business Consulting company established in 2000. Their services include Business Consulting and Staffing.
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  • 132
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Los Angeles, CA
    Pinscreen is a small AR/VR development company. Founded in 2015, the team specializes in AR/VR development and Back Office Outsourcing.
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  • 133
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    San Clemente, CA
    Pactx, Inc is an Email Marketing company. The San Clemente, California-based firm specializes in Email Marketing and Conversion Optimization.
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  • 134
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Los Angeles, CA
    Based 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.
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  • 135
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Simi Valley, CA
    Xassure by eDesk is a Simi Valley, California-based Back Office Outsourcing company. They specialize in Back Office Outsourcing and were launched in 2010.
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    Industries

  • 136
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    250 - 999 employees
    Los Angeles, CA
    Back Office Outsourcing company Rust Omni was launched in 1970. Located in Los Angeles, California, the team focuses on Back Office Outsourcing and Web Design.
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  • 137
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Los Angeles, CA
    Locksmith & Lock Store is a Los Angeles, California-based Business Consulting company. Launched in 1980, the team offers Business Consulting and Back Office Outsourcing.
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  • 138
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Calabasas, CA
    Cedar Financial, a telephone answering service, was founded in 1991. The team offers Call Center Services and Back Office Outsourcing and is in Calabasas, California.
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  • 139
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Los Angeles, CA
    Pioneer Lists is a midsize Sales Outsourcing company. They focus on Sales Outsourcing and Marketing Strategy and were founded in 1997.
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  • 140
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    Palmdale, CA
    Phone 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.
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    Industries

  • 141
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Riverside, CA
    EXtéres Corporation is a Riverside, California-based SEO services firm. Launched in 2007, the team focuses on Search Engine Optimization and Pay Per Click.
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    Industries

  • 142
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Los Angeles, CA
    Elite 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.
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  • 143
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Los Angeles, CA
    Hire Highs is a SEO agency. Launched in 2024, the team offers Search Engine Optimization and Social Media Marketing.
    Read More

    Industries

  • 144
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    Victorville, CA
    Majestic Medical Billing, LLC, a Back Office Outsourcing company, is headquartered in Victorville, California. They provide Back Office Outsourcing.
    Read More

    Industries

  • 145
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Los Angeles, CA
    HighPower is a midsize Customer Service Outsourcing company. Founded in 2015, the team provides Customer Service Outsourcing and Call Center Services.
    Read More
  • 146
    (1 Reviews) 4.5

    Timeliness

    4.0

    Service Excellence

    4.5

    Value

    4.5

    Would Recommend

    5.0
    Undisclosed
    1,000 - 9,999 employees
    Culver City, CA

    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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  • 147
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Los Angeles, CA
    Human 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

  • 148
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Irvine, CA
    Founded in 2002, Altos Incorporated is a midsize Back Office Outsourcing company. Their services include Back Office Outsourcing and Transcription.
    Read More
  • 149
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10,000+ employees
    Gardena, CA
    Established in 1966, transcosmos is a Customer Service Outsourcing company. Their team provides Customer Service Outsourcing and Call Center Services.
    Read More

    Industries

  • 150
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees
    Mission Viejo, CA
    Call 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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