Top 100 Business Processes Outsourcing (BPO) Companies in California
The Best of December 2024
Looking for a top business process outsourcing company in California?
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 California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California BPO Services
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Featured provider
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1
- Undisclosed
- 250 - 999 employees
- Los Angeles, CA
Read MoreCallbox is a business process outsourcing company based in Encino, Calif., with offices in Singapore, Ultimo, Australia, and the Philippines. Founded in 2004, Callbox's team of 174 provides voice services and non-voice BPO/back office services.
Clients
- Alima Technologies
Industries
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2
- $1,000+
- 250 - 999 employees
- San Francisco, CA
Read MoreMartal Group is a sales agency based in Oakville, Canada and San Francisco. Founded in 2009, their team currently consists of 70 employees, who serve mostly technology companies in SaaS, Enterprise software and IT sectors. They offer services in outbound lead generation, appointment setting, account management, and sales.
Clients
- Bosch
Industries
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3
- $1,000+
- 50 - 249 employees
- Berkeley, CA
Read MoreWing 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.
Industries
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4
- $1,000+
- 250 - 999 employees
- Newport Beach, CA
Read MoreVA Support Now is an answering service company. The midsize Los Angeles, California-based agency was established in 2022. Their services include call center services and back office outsourcing.
Clients
- Unite A Nation, BRC LLC (Boston Residential Concierge), Home Improvement NTX, James Capital, LLC, Dental CPA, TCG Prop Inc., Estate Entertainment, Young Sharks, Destiny Property Management, Scine Associates
Industries
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5
- $1,000+
- 50 - 249 employees
- Oakland, CA
Read MoreLocated 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.
Industries
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6
- $25,000+
- 250 - 999 employees
- Simi Valley, CA
Read MoreBeyond Codes Inc. is a lead generation and appointment setting company based in Simi Valley, Calif., with an office in Hammersmith, U.K. The company, founded in 2008, has almost 300 employees and provides voice services, event marketing & planning, market research, email marketing, social media marketing, and non-voice BPO/back office services. Beyond Codes Inc. serves enterprise and smaller-sized companies in IT and other industries.
Clients
- EXL
Industries
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7
- $1,000+
- 50 - 249 employees
- Riverbank, CA
Read MoreTeleContact is an outsourced telemarketing solutions company headquartered in Riverbank, Calif. with another office in Modesto, Calif. The company was founded in 1994 and now employs a team of around 50 that is entirely dedicated to voice services.
Clients
- Wells Fargo
Industries
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8
- Undisclosed
- 250 - 999 employees
- West Hollywood, CA
Virtual Coworker is a midsize business consulting and back office outsourcing company. Located in West Hollywood, California and Sydney, Australia, the company was founded in 2011. Their services include business consulting and back office outsourcing.Read More -
9
- $5,000+
- 10 - 49 employees
- Laguna Beach, CA
Read MoreLevelUp Leads is a Lafayette, California-based social media marketing firm. The firm offers social media marketing, email marketing, call center services, and back office outsourcing and is small.The firm was founded in 2021.
Industries
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10
- Undisclosed
- 1,000 - 9,999 employees
- Sacramento, CA
Read MoreMyOutDesk is a virtual assistant staffing company founded in 2008 in Sacramento, Calif. With over 1000 employees, they offer voice, HR, and back-office services for small and mid-market businesses in the fields of real estate, business services, and healthcare.
Clients
- Kaizen Accommodations
Industries
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11
- $1,000+
- 250 - 999 employees
- Santa Ana, CA
Read MoreAnsafone is a voice services provider based in Ocala, Fla. with an additional office in Santa Ana, Calif. They were founded in 1970 and have a team of over 250 employees.
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12
- $1,000+
- 1,000 - 9,999 employees
- Encinitas, CA
Read MoreCC Capital Group is an outsourcing agency based in La Jolla, Calif with a team of 25. Founded in 2012, the company offers direct marketing, business consulting, and HR services. Their direct marketing services are focused on telemarketing, among other forms.
Clients
- Xerox Corporation
Industries
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13
- $1,000+
- 10 - 49 employees
- Los Angeles, CA
Read MoreFounded in 2016, Cleverly is a marketing agency that offers lead generation and LinkedIn Ads to their clients. Their 50 employees are based out of Los Angeles.
Clients
- LeaseLock
Industries
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14
- $1,000+
- 250 - 999 employees
- Camarillo, CA
Read MoreAlert Communications is an answering service. Their midsize team is located in Camarillo, California. Their services include voice services. The firm was established in 1965.
Industries
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15
- $1,000+
- 250 - 999 employees
- Newport Beach, CA
Read MoreIn Las Vegas, Nevada, Insurance Telemarketer is a small non-voice bpo/back office services and phone answering service. The team focuses on non-voice bpo/back office services and voice services.
Industries
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16
- Undisclosed
- 10 - 49 employees
- Oakland, CA
Read MoreNuma 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.
Clients
- Emblush Beaute
Industries
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17
- Undisclosed
- 50 - 249 employees
- San Diego, CA
Read MoreNon-voice bpo/back office services company Freedom Makers was launched in 2015. Their midsize team is in Piedmont, California and offers non-voice bpo/back office services, content marketing, and email marketing.
Industries
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18
- $1,000+
- 50 - 249 employees
- San Francisco, CA
Wrrk is a customer service outsourcing company. They are based in San Francisco, California and have a midsize team. Their services include customer service outsourcing, call center services, and back office outsourcing.Read MoreIndustries
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19
- Undisclosed
- 50 - 249 employees
- Marina del Rey, CA
Read MoreXync Inc. Is a sales outsourcing company. The Marina del Rey, California-based company was founded in 2017. The midsize team offers sales outsourcing, call center services, back office outsourcing, and customer service outsourcing.
Industries
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20
- $1,000+
- 250 - 999 employees
- Irvine, CA
Read MoreKareo 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.
Clients
- Capterra
Industries
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21
- $1,000+
- 10 - 49 employees
- West Hollywood, CA
Read MoreBasis 365 Accounting is a cloud-based accounting and financial management firm based in Irvine, Calif. Founded in 2012, they have fewer than 10 employees and work with mainly small businesses in the business services, consumer products, and advertising and marketing industries. They specialize in financial accounting, bookkeeping, and tax preparation.
Clients
- B2B CFO
Industries
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22
- $1,000+
- 1,000 - 9,999 employees
- Laguna Beach, CA
SunTec Data is a Laguna Beach, California-based Back Office Outsourcing company. Their services include Back Office Outsourcing and Data Annotation Services.Read MoreIndustries
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23
- $1,000+
- 10 - 49 employees
- Ceres, CA
Read MoreFounded in 2011, WC Call Center is a telemarketing agency based in Carlsbad, Calif. With fewer than 50 employees, the agency specializes in voice services and primarily works with clients in the financial services industry.
Clients
- Payroll Select Services
Industries
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24
- $5,000+
- 2 - 9 employees
- Los Angeles, CA
Read MoreLaunched in 2013, Clarke Executive Services Group LLC is a business consulting and HR firm. The small Los Angeles, California-based team specializes in business consulting and HR services.
Industries
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25
- Undisclosed
- 50 - 249 employees
- Santa Clarita, CA
Read MoreNETbilling is a non-voice bpo/back office services company. Their small team is located in Santa Clarita, California. Their services include non-voice bpo/back office services. The firm was launched in 1998.
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26
- $1,000+
- 50 - 249 employees
- Diamond Bar, CA
Read MoreBillingParadise is a medical billing company based in Diamond Bar, Calif., with offices in Grand Rapids, Minn., North Brunswick, NJ, Mount Dora, Fla., Taylor, Texas, and New York City. Founded in 2004, BillingParadise's team of 31 provides non-voice BPO/back office services and voice services.
Clients
- NextGen Healthcare
Industries
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27
- $1,000+
- 50 - 249 employees
- Sacramento, CA
Read MoreSoftfile is a BPO services corporation founded in 1988. Based in Sacramento, Calif., their team of about 20 employees specializes in Non-Voice BPO/Back Office Services and voice services. The industries they focus on are financial services, legal, healthcare, and medical.
Clients
- The County of Sonoma
Industries
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28
- $5,000+
- 10 - 49 employees
- San Diego, CA
Video production agency NANOBOT Group is in San Diego, California and Tallinn, Estonia. The small team provides Video Production, Digital Strategy, Email Marketing, Search Engine Optimization, and more and was established in 2010.Read MoreClients
- Novartis
Industries
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29
- $1,000+
- 50 - 249 employees
- San Francisco, CA
Read MoreAI 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.
Clients
- COPADO
Industries
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30
- $1,000+
- 50 - 249 employees
- Ontario, CA
Read MoreP3 Healthcare Solutions is a revenue cycle management service based in Ontario, Calif. and founded in 2015. Their team of 30 employees specializes in non-voice BPO and back office services.
Industries
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