Explore the top-rated call centers in California that offer a variety of telecommunication services for your business. Use our practical filter to select your ideal partner by budget, client reviews, team size and more.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
Hugo deploys dedicated inbound and outbound call center teams across 60+ languages, with 24/7 coverage and 99.9% uptime. Its university-educated agents deliver 88% first call resolution. The call center provider is ISO 27001, HIPAA, and SOC 2 certified...
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B2B Review from Greg Digneo
Best decision we made last year was partnering with this CX team for our customer support, billing, and sales assistance. We were drowning in client emails and chasing invoices late at night instead of focusing on SEO strategy. Results have been incredible: client response times dropped from hours to under an hour, payment collection improved 60%, landing page conversions up 28%, and client retention increased 35%. They integrated seamlessly with our systems and scaled with us as we grew. Now we have more time to focus on delivering SEO results instead of being stuck in support tickets all day. If you're an agency juggling client support with campaign management, this team is a game-changer.
BPO Review from Nimmit Shah
Collaborating with Hugo elevated our property management firm's performance. Their support solutions slashed response times by 40% and boosted tenant satisfaction by 30%. Hugo's seamless integration proved instrumental in propelling our business forward, setting new benchmarks in operational excellence.
Customer Support Review from Jambu Subramanian
Their team quickly integrated into our workflow, demonstrating a deep understanding of our business needs. We were impressed by their professionalism and the ease with which they handled complex customer inquiries. Hugo's technical support team showed exceptional problem-solving skills, significantly reducing resolution times for order issues.
Answering365 has been providing answering services for businesses since 1989, covering live call answering, virtual receptionist, appointment scheduling, and emergency dispatch. Its operators are bilingual in English and Spanish, HIPAA-compliant, and work from custom scripts...
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Call Centers Review from Eric Jones
Answer365 was the answer to our problems. We receive an insane amount of calls to our venue and Answer 365 was able to step in and save the day. Extremely professional and Agile, I would completely recommend this firm if you need some help with your call volume.
Call Centers Review from Paul Tennen
We have been using the services of Answering 365 for years now and we could not be happier. They have a friendly staff, are always attentive to our needs, and are very pleasant to speak to on the phone. We use them for our after hours call needs. They have always been reliable and friendly to the residents and clients that we service. We are very grateful for the help of the staff at Answering 365.
Call Centers Review from Amy Hendel
We have been using this service when it actually had another name - so for quite some time. Overall we are quite pleased. only issue is occasionally when we hand off coverage for the weekend - when the doctor is off call - all the operators somehow do not “get the message.” I do endorse them as a good service, their billing department is responsive - they just need a bit of a tweak in the training of their telephone operators with this “hnd off on weekends.” I would recommend them as reliable and responsive.
Ansafone operates US-based inbound and outbound contact centers with 50 years of experience, offering customer care, client retention, sales, telemarketing, IVR, bilingual support, live chat, and BPO services. The agency serves healthcare, government, retail, energy, property management, and law clients...
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Call Centers Review from Anonymous
Please extend our sincere thanks to the team for all they are doing on behalf of our patients, providers, and partners. Their efforts have given welcome bandwidth our clinic staff to focus on the people in front of them and on better health outcomes. Even from my start in June I have seen (and been told) the great improvement in the quality of our patient interactions and clinic communications. I have been so encouraged by the team's willingness to do the right thing, to constantly coach and improve, adapt to change, and treat the patients with empathy and respect. Thank you. I am looking forward to what next year brings as we bring on our remaining clinics, launch new or improved campaigns, and continue to build a foundation for success, growth, and patient care that sets a new benchmark!
Call Centers Review from Anonymous
I am highly impressed with the exceptional level of customer service, reporting and professionalism with Ansafone. I have worked with them for many years and found them to be action oriented and focused on quality performance.
Call Centers Review from Undisclosed
Ansafone always goes above and beyond! They are always professional and ensure all messages are properly handled. If I have any questions or concerns, I can always count on my representative Dave! Thank you for your excellent service.
Described as the largest answering service in Texas, TAS Unitedoffers live answering, automated answering, virtual receptionist, appointment scheduling, healthcare triage, help desk, and order entry, with HIPAA compliance and HITRUST certification across all platforms...
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Phone Answering Services Review from Cerena Schane
Partnering with TAS United not only helped save us money by outsourcing our call traffic, but enhanced our first impression with our customers. Beyond the ongoing and future savings, TAS United has allowed us to capitalize on more opportunities for new business. We have been able to eliminate significant time spent on the phones.
Call Centers Review from Viktoriia Bielkova
My experience using TAS United is very positive. Since TAS United is highly professional, responsive and client oriented. They provide a great service! I highly recommend TAS United as your business partner.
Phone Answering Services Review from Dr. Shiree Flume
I have been a customer of TAS United since 1989 and have been very satisfied with the service. The operators have helped many of my patients who were in mental health crisis over the years and their kindness and professionalism are much appreciated.
Hire Live Support is a full-scale BPO service provider and a digital marketing company with 10+ years clientele and preparedness. We specialize in providing the leading live support services and new-age digital marketing gigs to SMEs, Enterprises, and Startups to delegate, scale, and manage business...
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Alex Stone's Review Sourced from Google
Partnering with Hire Live Support has been one of the best decisions for Our Company. Over the past two years, they have consistently delivered exceptional service and have handled our operations seamlessly, allowing us to focus on growth without any operational worries.We currently have a team of 13 experienced agents working with us through Hire Live Support across multiple departments, including Customer Support Representatives, Go-High Level Tech Experts, and exceptional Customer Experience Agents. The level of professionalism, dedication, and reliability they bring is truly outstanding. They have ensured smooth day-to-day functioning, provided well-trained resources, and managed our processes with complete accountability.Finding an outsourcing agency as reliable as Hire Live Support is rare. They have been the most dependable and trustworthy partner I’ve worked with, and I continue to be impressed by their commitment to excellence.I highly recommend Hire Live Support to anyone looking for a reliable outsourcing partner.
Brit Wilbanks's Review Sourced from Google
Please don't apply to companies open jobs posing as a candidate. The job market is hard enough for people out here, without businesses getting flooded with other businesses slide decks trying to make sales connections.Sincerely,The recruiter who had to look at your stupid slide deck.
SignMore is a call center company committed to elevating client engagement through 24/7 live support, bilingual answering, and CRM integration. Our broad client portfolio is a reflection of our proficiency in lead qualification, emergency response, and appointment coordination within the niche...
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Nick Resto's Review Sourced from Google
We're 30 days into using SignMore service, and I'm happy with the way the call flow is set up, and their communication has been excellent.
Fred Paskell's Review Sourced from Google
Amazing customer service and great functionality! Seemless integration into setting appointments and they are always trying to make sure they are exceeding my expectations. Highly recommend! Raving Fan Here!! 👍🏼👍🏼
Stasia Creek 406 East Realty's Review Sourced from Google
Professional and consistent customer service and well trained responsive agents that manage phone calls. Setup was super easy and they went above and beyond to work with Google Voice. I highly recommended!
LevelUp Leads specializes in optimizing sales processes by overseeing every aspect of clients' outbound strategies, from acquiring relevant data to executing meticulously crafted campaigns. With a dedicated team managing outreach efforts, clients can confidently devote their time to closing deals and driving...
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Email Marketing Review from Atif Gagguturu
We are a document collection specializing in loan document gathering and invoice management software company. We hired LevelUp Leads to increase the amount of sales and demos we got.So we have been having trouble getting leads. As such we were searching for a marketing company to help us find more customers. We stumbled upon LevelUp Leads and found they came with a lot of good recommendations. It is benefiting us by giving us a better direction to get more leads. I like the weekly reviews where we can see what we are doing good. I also like being given reports of who is being responsive to our campaigns. I like how the LevelUp Leads explains what exactly the campaigns are doing and why they are doing the things they are doing and how it can get us out there. I especially like the recommendations given to our company for our other advertising projects.
Digital Strategy Review from Troy Deason
Levelup Leads provides various digital marketing services for our healthcare testing services company. The team's tasks range from paid media and reporting to email campaign optimization and landing page creation. We are pleased with Levelup Leads' services. What's been most impressive about the team is their project management skills, they execute tasks efficiently and hold weekly meetings to ensure everyone's in synchronization. Their problem-solving capabilities are commendable as well.
Jesse W's Review Sourced from Google
John and his team at LevelUp Leads were highly proficient at setting quality appointments. Their personalized approach and expertise drives growth and produces meaningful results. I'm very pleased I went with them and would be more than happy to work with LevelUp Leads again in the future.
Upcall is a conversation-driven marketing and sales platform that uses real people to gather insights over the phone. It’s scalable, efficient, and seamlessly integrated within your existing workflow...
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Tactical TeleSolutions (TTS) is a boutique lead generation agency in the Bay Area. TTS was established in 1991 and has developed innovative calling campaigns for Start Ups to Fortune 500 clients...
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Jumio uses AI and biometrics to deliver fast, accurate identity verification solutions, helping businesses to prevent fraud and ensure compliance...
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Lukas Bayer's Review Sourced from Google
Great office and people. Definitely a good place to visit and to try out their products
Dirk Kinley's Review Sourced from Google
I have reviewed the industry in late 2021 both from technical and non-technical viewpoints. The Jumio solution, a platform hosting a full suite of KYC & Identity Verification, AML and more, offers well documented API on github and user support channels. The KYC is consistent and accurate and importantly the solution integrates well with your internal company systems regardless of tech stack.
CIENCE Technologies is a B2B Lead Generation and Sales Acceleration Company...
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Lead Generation Review from Josh Kaye
Complete Scam.Hired them for lead generation.Delivered bogus made up leads.Beat us for 10,000$.Zero return.Avoid at all costs.
Email Marketing Review from Josh Kaye
I recently engaged Cience Lead Generation, paying $10,000 for 250 qualified leads, expecting a professional service and solid prospects. Unfortunately, what I received was far from that. The leads they presented were completely fabricatednone of the individuals or businesses had requested information about my company. In fact, we obtained sworn affidavits from many of these so-called "leads" affirming they had never heard of us or requested any information.This is a blatant scam, and we're now in the process of pursuing legal action against Cience to recover our full payment. If you are considering working with them for lead generation, I strongly urge you to reconsider. Their practices are fraudulent, and you risk losing a significant amount of money without getting anything of value in return. We were misled, and now we're facing the consequences of trusting this company. Dont make the same mistake.
Financial Review from Joel Mantecon
I have worked with with the CIENCE team for over two years already. They provided my company with a team of SDRs that helped us with our lead generation efforts. Overall, we feel satisfied with our investment, as we have seen an increase in sales and organization.
With a legacy dating back to 2016, HiredSupport stands as a true trailblazer in the outsourced customer support realm...
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In business since 1979, Tel-Us Call Center offers a variety of inbound call center services customized to suit the needs of its clients. Our well-trained staff of bilingual agents is available 24/7/365...
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Anna Schmick's Review Sourced from Google
⭐️⭐️⭐️⭐️⭐️Outstanding Service and Results!My customers have had a fantastic experience working withTel-Us Call Center Inc. The team is consistently professional, responsive, and genuinely committed to delivering top-tier customer service. They manage call flow efficiently while ensuring every caller is treated with care and attention.Clients often mention how smooth the onboarding process was and how seamless communication has been with the Tel-Us staff. Since partnering with Tel-Us, many have seen a clear improvement in their own customer satisfaction.Highly recommended!
Mr Lue's Review Sourced from Google
We've been working with Tel-Us for years and they are some of the most professional and accomodating agents I have ever dealt with.
Erin Choi's Review Sourced from Google
We’ve had a great experience working with Tel-US over the past year. Their team is responsive, easy to communicate with, and consistently delivers excellent service to both us and our patients. We feel confident knowing our patients are well cared for after hours. Thank you Stacy, Cheryl, and team for all that you do!
FLINK Business Solutions is an outsourcing company specialized in back-office operations for insurance providers. We serve Insurance Carriers, MGAs, Brokers, & wholesale brokers. We’ve founded FLINK as an answer to the globally growing business demand for outsourcing and to provide business solutions to...
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Signius Communications has 12 locations across the United States, providing expert call center solutions...
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Flatworld Solutions (FWS) is a global company offering IT, Data Science, Data Mining, business consulting, and outsourcing solutions since 2002...
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Grow Your Sales Pipeline executes high-standard sales development, coaching, and recruiting programs to drive profitable revenue growth for our client partners...
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Nationwide medical billing & revenue cycle management for healthcare providers billing, coding, credentialing, and HIPAA-compliant claims support...
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Kara Brock's Review Sourced from Google
Sam has been excellent for my podiatry practice. He responds quickly and follows through on any concerns. My reimbursement has gone up significantly since transitioning to Docs medical. They also provide credentialing services and have been very helpful
Hema Majeno's Review Sourced from Google
Docs Medical Billing has been helping my practice since I started last year. They get things done on time. They help my front and back staff to check eligibility, they help me set up.portals for insurances, and do their diligence on claims. They also help me find a web designer.I highly recommend them 👌
Catherine Abbaa's Review Sourced from Google
My experience with Peter and his team and the entire Docs Medical Billing LLC in handling my complex billing was very professional, reliable and smooth. The quality of their services far exceeded my expectations. The services was outstanding. I will continue to work with them and recommend them to anyone
WC Call Center excels in business-to-business (B2B) appointment setting and telemarketing, focusing on generating high-quality appointments with C-level executives. Its experienced professionals ensure each appointment meets rigorous qualification standards and drives new sales opportunities. The firm acts as...
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