Top BPO Companies in California, US
Goodfirms has reviewed 371 BPO Companies in California, US as of September 2026. The top-ranked firm is Hugo (4.9 stars, 16 verified reviews, < $25/hr, founded 2017, San Francisco). Across the category, the median hourly rate is $25, median client rating is 4.8, and 32% of firms employ 50+ members. Explore the vetted BPO Companies in California, US below, compare their strengths, and connect with the provider best suited to your requirements.
Do you want to focus more on the front office tasks of your business in California? Then you can partner with California BPO services and handover the back office tasks to them. Once you enter into a contract with the BPO service providers in California, they will take care of everything. The BPO companies in California are like your one-stop solution to handle your non-primary business activities. Do you need some assistance in hunting for the best names in the industry? We got you in that case! Quickly skim through the below-mentioned list of top-notch business process outsourcing companies in California.
Goodfirms has verified 371 BPO Companies in California, US - part of 6,164+ BPO Companies in the World, each passing Goodfirms' 4-step verification process (background check, client interviews, portfolio audit, ongoing quality review). Listings marked "Sponsored" are agencies that pay for premium placement - sponsorship does not affect star ratings or review content.
Top 10 at Glance
Compare the highest-ranked firms first side by side.
List of California BPO companies | BPO firms in California
Sponsored
Since its founding, Hugo has built a reputation as a top BPO company and trusted BPO services provider, partnering with disruptive startups and iconic brands worldwide on customer care, data, and community support. A 3,800+ strong, university-educated workforce spans SE Asia, Africa, and the Americas, ... read Hugo reviews & insights
< $25/hr1,000 - 9,9992017San Francisco, United StatesHugo is a good culture fit and has good value for cost
- Anonymous
AnswerForce is among the best BPO companies in the world, offering call and chat answering, virtual reception, live chat, and appointment scheduling for the service industry. As a trusted BPO solutions company, it delivers 24/7/365 support through real people—never bots—backed by seamless CRM integrations. Part ... read AnswerForce reviews & insights
NA250 - 9992003Acton, United StatesA wonderful service that keeps my company running smoothly and integrates seamlessly once set up.
- Jose Masso
MediBillMD ranks among the leading BPO service providers, delivering medical billing, coding, and revenue cycle management solutions to healthcare practices across 45+ specialties nationwide. Headquartered in Dallas, Texas, it stands out as one of the top outsourcing companies for accurate, fast reimbursements—backed by a 98% ... read MediBillMD reviews & insights
NA50 - 2492023San Francisco, United StatesWonderful. Overrall experience was GREAT!
- Lindsey Waldrop
Using AI Tools
Perplexity
Claude
Gemini
ChatGPT
Zapier
OBI Services stands among the best business process outsourcing companies, delivering virtual assistance, data entry, telemarketing, SaaS support, customer support, and chat support from the Philippines. As one of the trusted outsourcing BPO providers, it helps startups, solo entrepreneurs, and enterprises streamline operations while cutting ... read OBI Services LLC reviews & insights
< $25/hr50 - 2492017San Francisco, United StatesWorking with OBI Services was seamless, professional, and highly accurate.
- AnonymousWhy OBI Services LLC?
- Cost-effective outsourcing, flexible pricing model
- High accuracy and attention to detail.
- Strong communication and transparent workflow.
Transcure ranks among the trusted BPO companies for medical billing, serving practices of all sizes across 40+ specialties since 2002. As one of the leading BPO service providers in the U.S., it fields over 1,100 certified billers and coders from headquarters in Dallas, Texas, and ... read Transcure reviews & insights
$100 - $149/hr50 - 2492013San Francisco, United StatesTranscure has delivered excellent results with improved reimbursements, fewer denials, and consistently high-quality work.
- Wyatt Houck
RCM Matter is a leading company specializing in Medical Revenue Cycle Management. We provide a wide range of services including integrated clinical and revenue cycle solutions, credentialing, medical billing and coding, practice management solutions, coding transcription, and data management. Our audit service assists physicians in ... read RCM Matter reviews & insights
$25 - $49/hr250 - 9992017Glendale, United StatesOur experience with their team has been outstanding.
- Founder
Using AI Tools
- ChatGPT
- Claude
- Gemini
- Perplexity
Grammarly- + 1 More
Hire Live Support – ISO 18295 Certified Business Support Partner Since 2009 Established in 2009, Hire Live Support is an ISO 18295 certified Top Customer Support Service Provider delivering world-class business solutions for over 15 years. We are a trusted Business Process Outsourcing Partner helping ... read Hire Live Support Inc. reviews & insights
< $25/hr50 - 2492009Cerritos, United StatesFantastic support. Will definitely grow with this company as my company grows.
- CEO/ OwnerWhy Hire Live Support Inc.?
- 17 years and more than 100 businesses supported
- Dedicated assistant plus trained backup
- Month to month No setup fee
CallZent is at the forefront of transforming customer support through innovative, human-centric communication solutions. Our mission is to deliver unparalleled customer experiences that build loyalty and trust. Operating state-of-the-art contact centers in Tijuana and Hermosillo, Mexico. CallZent specializes in multilingual customer support, third-party verification, debt ... read CallZent reviews & insights
< $25/hr050 - 249San Diego, United StatesCallzent exceeded our expectations with their professionalism and responsivenes.
- Director at Collinson
LOAB Solutions is now ZAKFN Labs your premier Social Media Marketing Agency, specializing in SEO Search Optimization and Digital Marketing services. As a leading Lead Generation Agency what sets us apart: Proven Expertise: Years of driving measurable results. Tailored Strategies: Customized for your unique business ... read ZAKFN Labs reviews & insights
$25 - $49/hr10 - 492023Huntington Beach, United StatesProfessional, responsive, and delivered exactly what we needed—beyond expectations!
- Director at Morrison Foerster
Medrina Technology Management is a premier provider of medical billing, collections, and administrative support services specifically designed for healthcare providers handling workers’ compensation cases. With a strong focus on streamlining processes for medical professionals in California and Texas, Medrina’s mission is to alleviate the complexities ... read Medrina Technology Management Private Limited reviews & insights
< $25/hr050 - 249Los Angeles, United StatesMedrina Technology Management delivers reliable, efficient billing and collections, boosting revenue
- Entrepreneur
Using AI Tools
- ChatGPT
- Claude
EcomVA is for online sellers who don't need another tool they need an extra pair of hands. We connect you with virtual assistants who actually get eCommerce, so you can hand off the time-consuming stuff like product listings, inventory updates, customer queries, and order processing ... read EcomVA reviews & insights
< $25/hr50 - 2492006Fremont, United StatesVery Satisfied with Ecommerce Virtual Assiatant Services, Amazon Store Management
- DirectorWhy EcomVA?
- Expert VAs for Amazon, Shopify & Walmart stores
- Flexible hiring, no long-term contracts required
- Affordable rates with dedicated, vetted talent
Certified Healthcare Billing (CHB) is a trusted medical billing company located in Pasadena, California. We specialize in streamlining the complex world of medical billing for healthcare providers across various specialties. Our mission is simple: to help you get paid faster, more accurately, and with less ... read Certified Healthcare Billing reviews & insights
NA10 - 49Los Angeles, United StatesA reliable partner
- Office Manager
Zahoree helps its customers to scale by providing outsourced capacity and expertise to handle customer interactions throughout the customer journey. As part of our services, Zahoree provides the Zahoree Virtual Teams® platform, built to democratize customer support and help companies manage virtual teams of customer ... read Zahoree, formerly Infolink-exp reviews & insights
NA50 - 2492012San Jose, United StatesVery easy to work with, and has absolutely lived up to the expectations.
- 2nd line technician
Using AI Tools
- ChatGPT
R3source is an offshore staffing company that helps entrepreneurs, small businesses, and growing organizations build reliable remote teams through highly skilled professionals based in the Philippines. We specialize in virtual assistant services, administrative support, customer service, sales support, appointment setting, lead generation, and back-office operations.Our ... read R3source reviews & insights
< $25/hr50 - 2492025Valencia, United Statesculture fit, faster results, and hours of my time back. highly recommend.
- OwnerWhy R3source?
- Skilled professionals matched to your business.
- Onboarding, accountability, and ongoing support.
- Grow your team without traditional hiring costs.
Closeloop Technologies is among the best BPO companies, a reliable USA-based provider delivering scalable business process outsourcing services to businesses across industries. Headquartered in Mountain View, California, with engineering centers in India, the company supports organizations with process management, customer support, data operations, and back-office ... read Closeloop Technologies reviews & insights
$25 - $49/hr50 - 2492011Mountain View, United StatesThey do a great job because they always do what they’re supposed to do.
- AnonymousWhy Closeloop Technologies?
- Small team agility , enterprise grade robustness
- US project management, Offshore engineering
- Full stack wide spectrum services. Not just coding
memoryBlue is a sales development consulting firm headquartered outside of Washington, D.C, with offices in Austin, TX, Boston, MA, Denver, CO, and Silicon Valley, CA. Since 2002, over 950 high-tech clients have trusted us to fuel their growth. Industry royalty – EMC, Symantec, McAfee, Quest ... read memoryBlue reviews & insights
< $25/hr50 - 2492002San Jose, United StatesBuyer beware - much too rigid to meet unique company needs
- Erik Smith
Indinero serves US and Canadian-registered businesses and organizations. By combining a full finance team of bookkeepers, accountants, CPAs, and CFOs, with real-time accounting software, we provide startups and growing businesses the knowledge they need to understand their company's financial health and make better decisions with ... read indinero reviews & insights
NA50 - 249Covina, United Statesindinero made managing our business finances easier with reliable support and intuitive tools.
- Marketing Manager
Providing top-notch Virtual Assistant services, Wing Assistant is one of the industry's best business process outsourcing (BPO) agencies. It caters to industry-wide requirements for virtual assistants from General and Admin VA to Sales, Outreach, and CSR VA. It can be the best growth partner for ... read Wing Assistant reviews & insights
< $25/hr10 - 492018Berkeley, United StatesGreat talent, highly recommend for staffing for assistants and content writers
- Founder
Bristol Healthcare Services is a premier medical billing, medical coding and revenue cycle management company. We are a national service provider with clients spread all over the country geographically. We are committed to helping our clients receive highest quality and optimal reimbursement. We are dedicated ... read Bristol Healthcare Services reviews & insights
NA50 - 249Orange County, United StatesGood Experience with the company..
- Donna Larsen
Virtual Assistant India provides businesses with skilled, specialized, and experienced virtual assistants to support various back-office or specialized tasks. By carefully evaluating the client’s needs, we offer, content writing, eCommerce store management, eBay support, Amazon store management, social media handling, image editing, and SEO-related tasks. ... read Virtual Assistant India reviews & insights
< $25/hr1,000 - 9,9991999Laguna Beach, United StatesVirtual Assistant India has transformed my alleviating concerns and fostering trust through excellent work ethics and regular communication.
- Handicrafts Retailer
Using AI Tools
- ChatGPT
Data-Entry-India.com is a global Data and AI operations partner established in 1999. With presence across 50+ countries, the company serves over 3,850 clients. We help organizations train machine learning models, streamline back-office workflows, and scale digital commerce through AI-enabled, expert-supervised processes. Our core offerings span ... read Data-Entry-India.com reviews & insights
< $25/hr250 - 9991999Laguna Beach, United StatesProvided high-quality labeled datasets quickly, significantly enhancing our object detection algorithm.
- PROJECT MANAGERWhy Data-Entry-India.com?
- ISO 9001
- ISO 27001
- HIPPA Compliant
At PCN, we know that you trust your customers to us. We take that responsibility very seriously, and that is what drives us to provide world class customer service. How do we do that? It’s simple really. We hire great operators, provide them with excellent ... read Professional Communications Network reviews & insights
< $25/hr10 - 49Riverside, United StatesThey Make My Job Easier
- Kurt Abel
V$ynergize is a highly experienced and ISO 27001-certified AI-driven Automation Enabled Outsourcing company. With a track record of serving 30+ Fortune 500 companies in over 15 countries, our diverse customer portfolio spans various industries such as BFSI, Healthcare, Telecommunication, E-commerce, and more. We specialize in ... read vsynergize reviews & insights
< $25/hr2 - 9San Francisco, United StatesA Collaborative Journey with VSYNEGIZE
- Managing Director
Insurance Support World is a leading name in insurance back office service providers. The team of experts provides end to end insurance back office management services to the clients across the globe. Our strategic vision unlocks business value across the insurance sector and enables us to address the business challenges of our clients. With our ... read Insurance Support World reviews & insights
NA50 - 2492008Victorville, United States
31West is the leading Inbound and Call Center Outsourcing Services in the United States offering tech support and customer services that will help you to reduce the cost. Contact now! https://www.31west.net/
NAFreelancerSan Francisco, United States
Transpeed Communications is your link to a successful business, thriving in a globally competitive marketplace through professional outsourcing relationship. Transpeed Communications delivers quality strategic staffing services to different companies, major industries and agencies through dedicated staffing partnerships and workforce management solutions. Our company focuses on excellent performance in providing resources and systems to keep your ... read Transpeed Communications reviews & insights
$100 - $149/hr250 - 9992012Los Angeles, United States
We are a boutique BPO with nearshore sites in San Pedro Sula, Honduras and Sandy Bay Jamaica and one offshore site in Quezon City, Philippines. Our 3 sites consists of awesome family members that have a lot of talent and passion for what they do and we LOVE that. Collective Solution is about providing outstanding ... read Collective Solution reviews & insights
$150 - $199/hr250 - 9992010Los Angeles, United States
Most leaders feel overwhelmed when the unexpected impacts the customer experience. With Simplr customer service, you'll always have on-demand staffing to answer every online customer question - so you can be in control and stay focused on growing the business.
< $25/hr50 - 2492017San Francisco, United States
Award Winning Excellence – Our history of award-winning, 24 hour live call center services is due to our commitment to excellence in everything we do, every message we deliver, every call we take because EVERY CALL COUNTS. Since 1979, our reputation has been built upon the quality of work we deliver. Our strong attention to ... read Direct Line Tele Response reviews & insights
$100 - $149/hr50 - 2491979San Francisco, United States
Now, more than ever before you need a proactive, fast, and efficient way to open the door to prospects; that's what we provide. Our core competency is direct marketing to your prime prospect. West Coast Call Center was founded by three professionals with over 40 years of combined industry experience; and backgrounds covering all aspects ... read West Coast Call Center Inc. reviews & insights
$50 - $99/hr10 - 492011Ceres, United States
CallCenterLead.net can help your call center thrive by connecting you directly with businesses who desire inbound or outbound call center services. We offer call center service leads such as inbound calls, answering service, appointment setting, customer and technical services, as well as telemarketing service leads (sales calls, lead generation, research and survey calls). Our core ... read Call Center Lead reviews & insights
$25 - $49/hr10 - 49Burbank, United States
HIghPower call center is world renown near shore call center located in the heart of Tijuana minutes from the U.S border. Our team is bilingual, professional, and driven by performance goals. Our Call Center is second to none complete with a corporate structure and professional work environment. Our core business model is targeting expanding company’s ... read HighPower Call Center reviews & insights
$50 - $99/hr50 - 249Sherman Oaks, United States
Central Communications is a family owned nationwide provider of call center services. With over 50 years experience from two locations in Riverside, and San Clemente, California. Central Communications is not your grandfather's answering service. Central Communications leverages the concept of live answering into innovative solutions for the business communications needs of today's business person providing ... read Central Communications reviews & insights
$50 - $99/hr50 - 2491950Riverside, United States
Medical Billing Strategies specializes in providing Medical Billing, Coding and Practice Management Services for single and multi-specialty medical groups, as well as facilities and solo practices. With over 20 years of experience, we offer the most comprehensive solutions for your practice needs. MBS services and strategies give medical practices the additional tools necessary to successfully ... read Med Billng Strategies reviews & insights
$25 - $49/hr10 - 492009San Diego, United States
Tri-Community Answering Service has been serving the greater San Diego area since 1963, providing help to a multitude of businesses. We are the local answering service that understands your business, how to answer your customer's calls, and make all the necessary connections required to keep your business running smoothly. Our service is backed by the ... read Tri-Community Answering Service reviews & insights
$50 - $99/hr10 - 491963San Marcos, United States
Phone Ware® is a full-service, 24/7, state-of-the-art, integrated call center; we offer a blended suite of solutions for programs that involve outbound and inbound calling, email, sales generation, and customer care interaction. With several decades of experience handling call center needs for clients just like you, we know what works to drive customer response, build ... read Phone Ware Inc reviews & insights
$100 - $149/hr250 - 9991977San Diego, United States
8x8, Inc. (NYSE:EGHT) communication solutions help businesses transform their customer and employee experience. With one system of engagement for cloud voice, video, collaboration and contact center and one system of intelligence on one cloud communications platform, businesses can now communicate faster and smarter to exceed the speed of customer expectations.
$100 - $149/hr1,000 - 9,9991987San Jose, United States
Telecom, Inc. was founded in February 1993 and is a privately-held California corporation. We are a full service, Omni-Channel outsourced contact center offering a fully integrated program of today’s most efficient and effective customer service and sales solutions, customized to meet our client’s individual needs.
$50 - $99/hr50 - 2491993Oakland, United States
TeleDirect provides on-demand software solutions unsurpassed in the contact center industry. Being the only on-demand contact center in the world, TeleDirect provides online scripting, reporting and lead delivery tools that incorporate your latest business needs in real time. We can help with your call script design, work flow and all the key pieces of information ... read TeleDirect Communications reviews & insights
$50 - $99/hr50 - 2491961Sacramento, United States
At Hartley and Associates, we understand how important your business communications are; so we continuously invest in our people, and our technology, to provide you with the best service possible.
$25 - $49/hr50 - 2491979Santa Rosa, United States
Callbox helps businesses connect with high-value prospects who are actively seeking solutions. More than just a traditional lead generation agency, we offer a subscription-based service where your team collaborates with ours to build and execute a data-driven sales outreach strategy. How It Works: Data-Driven Prospecting – We work with you to gather and analyze relevant ... read Callbox reviews & insights
NA1,000 - 9,9992004Los Angeles, United StatesWhy Callbox?
- High-intent leads from data-driven lists.
- Proven multi-touch strategy boosts ROI.
- Trusted by tech giants like Google and AWS.
Renown system is a Professional Virtual Assistants Service Provider. Renown system is a top-ranked Virtual assistant company that offers online virtual assistants services across the world. Dedicated virtual assistant services trusted by entrepreneurs and busy peoples from all over the world! Uncompromising quality at affordable price.
NA02 - 9Beverly Hills, United States
Choose LEADS JANITORIAL as your B2B marketing partner and get the best commercial cleaning lead generation and appointment setting results delivered to you by the industry’s most trusted sales and marketing company. With years of experience and extensive research in the commercial cleaning industry, LEADS JANITORIAL is here to help you tap into the vast ... read Leads Janitorial reviews & insights
$150 - $199/hr250 - 9992004Encino, United States
For over 16 years, we've been leaders in B2B lead generation & appointment setting, connecting businesses with key decision-makers and influencers through targeted SMART-calling and personalized email campaigns. Today, we work with 9 of the Top 12 IT companies, 32 of the Top 50 Tier-2 IT/BPS Companies, and 70+ SMEs and Product Companies globally, assisting ... read Beyond Codes reviews & insights
$150 - $199/hr250 - 9992008Simi Valley, United States
NetLine Corporation operates the largest B2B-specific content syndication lead generation network offering content syndication, lead generation, account-based marketing, lead nurture, and more. Run performance-based campaigns to ensure your success today! NetLine is an online B2B multi-channel content marketing network providing targeted branding and high quality lead generation. As proven experts in B2B online demand generation ... read NetLine Corporation reviews & insights
$100 - $149/hr50 - 2491994Los Gatos, United States
Fuel Lead was founded in 2013 and has become the premier lead generation company. We give you access to the most targeted leads in the industry. We leverage our marketing strategies and knowledge to find leads that are actively seeking your services while you focus on your business and increase your revenue.We’re confident that our ... read Fuel Lead reviews & insights
< $25/hr2 - 9Orange County, United States
Since 1997, Real X Software, Inc., and its marketing division – Real X Marketing – have been helping small, medium, and large companies in developing custom software solutions and marketing strategies. With a strong background in engineering AND business (our founder has an MBA from a top business school in the USA), the marriage of ... read Real X Marketing reviews & insights
< $25/hr2 - 9Mountain View, United States
Our core values set the tone for everything we do at Admail West. They are comprised of the behaviors, policies and philosophy that together constitute the unique style of our company. We are committed to maintaining a company culture that is connected with our core values.
< $25/hr2 - 9Sacramento, United States
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San Francisco · $0-24/hr