Looking for a top inbound call center service?

Inbound marketing is necessary to replenish your sales pipeline with new leads. It can help your company attract customers by creating valuable content that's tailored to them. Finding an inbound agency to work with, however, can be challenging.

That's why we've created this list of the best inbound call center services for you to review. Read through company descriptions, former clients, and notable projects to find the best fit for your business. (And, if you want personalized recommendations, tell us about your project.)

List of the Best Inbound Call Center Companies

  • 1
    $1,000+
    10,000+ Employees
    Sofia Bulgaria

    TELUS International is a BPO contact center headquartered in Sofia, Bulgaria. They also have offices in Bucharest, Romania, and Old Trafford, United Kingdom. Founded in 2004, they have about 1,092 employees that serve clients in the financial, gaming, and IT industries. They specialize in voice services.

    Clients
    Workplace Safety and Insurance Board
    Industries
    Notable Project

    TELUS International provided custom development services for a workplace safety and insurance board. They built a healthcare billing system, handling end-to-end development. The solution is used by over 30,000 healthcare institutions and decreased payment processing time.

    "What sets them apart is the balance of both value of the functionalities they’ve brought on board together with their ability to connect and build a platform that was scalable to adapt to the e-health landscape." –Manager of Program Effectiveness, Workplace Safety and Insurance Board

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  • 2
    $5,000+
    250 - 999 Employees
    Lexington KY

    Helpware is a call center located in Los Angeles that was founded in 2015. Their team of around 135 employees specializes in voice services, non-voice BPO and back-office services, HR consulting and outsourcing, transcription, and more.

    Clients
    Zendesk
    Google
    Cisco
    Universal Studios
    Industries
    Notable Project

    Helpware delivers customer support services for a beauty, wellness, and lifestyle products company. The team handles incoming support ticket requests, tracks product defect data, and notifies relevant team members about necessary customer experience improvements. Frequent communication and rapid problem resolution have fostered a seamless engagement.

    "Their passion, integrity, and eagerness are infectious, and they’ve helped us build out a team with processes and roles." – Customer Experience Manager, Consumer Goods Company

  • 3
    $1,000+
    1,000 - 9,999 Employees
    Bengaluru India

    Flatworld Solutions is an outsourcing company headquartered in Princeton, N.J. Founded in 2006, they have a team of over 750 employees. The firm's international offices are based across India, the U.K, and the Philippines and has experience in nonvoice/ back office, transcription, and call center services. Their Clients mostly work in manufacturing, education, and healthcare industries. 

    Clients
    MSN
    Korchina
    Fujitsu
    Yale School of Management
    Industries
    Notable Project

    Flatworld Solutions partnered with a products business and assumed customer service and live calling duties organization-wide. The client's customers have reported 98% satisfaction rate when dealing with the team at Flatworld Solutions. The client estimates that the team at Flatworld Solutions has saved their organization over 40 hours of work. The team showed an impressive level of professionalism and customer service skills. 

    "They're dedicated to making their customers like us as successful as possible. Flatworld Solutions excels at communication and takes care to offer a pleasant customer experience." –Customer Service Director, Products Business 

  • 4
    $1,000+
    250 - 999 Employees
    Gilbert AZ

    Unity Communications, founded in 2009, is a BPO company headquartered in Tempe, Ariz., with additional offices in Global City, Philippines; Santo Domingo, Dominican Republic; and San Jose, Costa Rica. The team mainly provides non-voice BPO and back-office services, but they also do cloud consulting & SI, and IT strategy consulting. Equipped with 28 employees, they work with mid-market and small businesses in the telecommunications, business services, and GPS, navigation & GIS industries.
     

    Clients
    ATT
    RingCentral
    Wireless Watchdogs
    MSP's
    Industries
    Notable Project

    Unity Communications provided customer service support for a wireless company. The client needed a partner and realized that Unity Communications could expand its call center services to the Philippines. The company provides voicemail restarts, troubleshooting, and ordering services to the client’s customers. Since working with Unity Communications, business has gone more smoothly for the client, and the client wants to continue its partnership with the company. 

    “They add value to our company and have severely reduced the number of mistakes being made by our customer service representatives. They consistently receive positive feedback, and we want to hire more of them.” — Manager, Telecom Management Company
     

  • 5
    $1,000+
    250 - 999 Employees
    Noida India

    Go4Customer is a contact center outsourcing company that is based in Noida, India with other centers in Jaipur, Mumbai, Bengaluru, Chennai, Ahmedabad, and Bhopal, India, South Tiverton, UK, and Houston. Since 2004, their team of over 200 experts have been providing voice/call center services and BPO/back office services. Go4Customer works with different industries including information technology, financial services, and consumer products.

    Clients
    MSME
    BSNL
    TIMEX
    HudCo
    Industries
    Notable Project

    An IT company wanted to smooth over how information enters and leaves the company, so they needed effective outbound services. Go4Customer improved the flow of calls, as well as provided lead generation services through telemarketing. The client is extremely confident in the work that Go4Customer has done.

    "They [Go4Customer] do their work quickly, safely, reliably, and they offer a good service despite the price." – Manager, IT Industry Company

  • 6
    $1,000+
    1,000 - 9,999 Employees
    New Delhi India

    SunTec India is a multi-process IT outsourcing company based in New Delhi, India with an additional office in Laguna Beach, Calif. Founded in 1999, SunTec India boasts a team of over 968 employees who provide non-voice BPO/back office services and voice/call center services.

    Clients
    Nielsen
    Bose
    Honda
    Pepsico
    Industries
    Notable Project

    SunTec India answered phones, offered filing services, and provided general paperwork help for an IT firm. Thanks to SunTec's efficient work, the client saves about $1500 monthly.

    "It’s easier to get things done for the day when using [their] service." — Customer Service Manager, IT Company

  • 7
    $1,000+
    50 - 249 Employees
    Kyiv Ukraine

    Wow24-7 is an omnichannel customer outsourcing company based in Kyiv, Ukraine. Founded in 2016, Wow24-7 provides non-voice BPO/back office services and voice services.

    Clients
    The App Solutions
    Gita Jewelry
    StudentShare
    Industries
    Notable Project

    Wow24-7 worked with this SaaS platform to provide outsourced support and lead qualification. Wow24-7 answers the phone, chat, and email communications from customers all day, every day. They even look for ways to help with lead generation for outbound calls.

    "Before our partnership with Wow24-7, we had no phones open for 16 of the 24 hours in a day. Now, we have 24/7 coverage." –Marketing Manager, SaaS Platform

  • 8
    Undisclosed
    250 - 999 Employees
    Tallahassee FL

    PATLive is a voice services provider based in Tallahassee, Fla. and founded in 1990. They specialize in voice services. They offer support in multiple languages, customizable scripts, video calls, and text messaging.

    Clients
    Brovil Associates LLC
    New England Hypnosis & Weightloss
    MZ Real Estate
    Industries
    Notable Project

    PATLive provided an answering service for a single employee MMA Academy. They screen all calls coming into the client’s business, and email them whenever they receive a call, allowing the client to focus on their work. The client was very happy with the service and said that it allowed them to operate on a tight budget. 

    “It's been working well, and every interaction with them is pleasant. It's been running smoothly, and they're doing exactly what I need.” – Owner, MMA Academy
     

  • 9
    Undisclosed
    50 - 249 Employees
    Phoenix AZ

    Nexa is a virtual assistant agency based in Phoenix. Founded in 1982, their team of around 440 employees focuses on voice services.

    Clients
    Whitehardt
    Skupin Law Group
    Triple A Plumbing & Jetting
    Baselayer
    Industries
    Notable Project

    Nexa provided virtual assistant services for an advertising agency. The team processed incoming calls for both local and national campaigns. They were responsible for intake services and lead generation as well. 

    "They are competent, confident, and compassionate for each call." – CFO, Advertising Agency

  • 10
    Undisclosed
    1,000 - 9,999 Employees
    Margate FL

    Global Response is a contact center company based in Margate, Fla., that was established in 1974. Their team of more than 450 employees offers contact center services, inbound sales processing, order processing, chat support, email response, and social media support.

    Clients
    Crate&Barrel
    Lacoste
    MoMA
    Anthropologie
    Industries
    Notable Project

    Global Response provided technological and billing services for a life sciences company. Their team processed 100 calls per day. and processed orders. Their work increased overall processing efficiency.

    "They act as a strategic partner that is crucial to our business success." – IT Director, Life Sciences Company

  • 11
    $1,000+
    250 - 999 Employees
    Ocala FL

    Ansafone 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.  

    Notable Project

    Ansafone provided customer service representatives for a government subcontractor. The client was happy with the quality of service they provided. 

    "Their agents were always able to accommodate our requests, despite dealing with a rapidly changing environment." – Project Manager, Emergency Service Company

  • 12
    $1,000+
    1,000 - 9,999 Employees
    Bengaluru India

    Invensis is an IT, BPO, and call center services company based in Bangalore, India, with an office in Wilmington, Del. Founded in 2000, Invensis's team of more than 350 employees offer non-voice BPO/back office services and call center services.

    Clients
    Groupon
    Sprint
    Web2Carz
    Wyndham
    Industries
    Notable Project

    A marketing firm wanted to handle more inbound phone calls. It hired Invensis to answer phone calls, process orders, and provide customer service. Invensis helped the firm's efficiency improve by 37%. The firm appreciated Invensis' customer service and time management, among other qualities.

    "They [Invensis] have turned our company around and helped make it the best it can be!" – HR Manager, Marketing Firm

  • 13
    $1,000+
    250 - 999 Employees
    Dnipro Ukraine

    Simply Contact is an outsourcing contact center based in Dnipro, Ukraine. The contact center, founded in 2015, has more than 400 employees and provides non-voice BPO/back office services and voice services. Simply Contact serves mid-market and other-sized companies in various industries that include hospitality & leisure; supply chain, logistics, and transport; and e-commerce.

    Clients
    Wizz Air
    Metro Cash&Carry
    Bolt
    Yves Rocher
    Industries
    Notable Project

    An IT marketing agency hired Simply Contact to build a customer support team of dedicated agents who cover live chat requests, emails, and inbound calls. Simply Contact also provided a team on short notice when the agency required an outbound call center for a limited period of time. They now provide support in English and Spanish languages, 24/7. Because of the engagement, the agency saw an improvement in customer satisfaction.

    "I find impressive their ability to adapt to the project requirements. Also, they were able to start quickly." - Founder & CEO, IT Marketing Agency

  • 14
    $1,000+
    250 - 999 Employees
    Kyiv Ukraine

    SupportYourApp is a customer support outsourcing company based in Kiev, Ukraine. Founded in 2010, SupportYourApp's team of more than 400 employees provides non-voice BPO/back office services and voice services. 

    Clients
    Mastercard
    Amazon
    HERE Technologies
    MacPaw
    Industries
    Notable Project

    SupportYourApp worked with this software development company to assist with technical customer support. Their wide range of service entails taking charge of all general, pre-sales, and technical questions about the client's Windows and Mac software products.

    "Our website is featured on Shopper Approved, where around 85% of feedback is more than satisfied with support." – Marketing Director, Software Development Company

  • 15
    $50,000+
    250 - 999 Employees
    Salisbury NC

    GCS Agents is a contact center firm in Salisbury, N.C., founded in 2001. The team of 300 specializes in voice services, consulting, and BPO services for its majority midmarket clients across multiple industries. 

    Industries
    Notable Project

    GCS Agents provided security consulting and analytics for an energy company's database servers. As a result, the client's security services and communication vastly improved, reducing its hours and money spent on the task.  

    "The data security and communications outside of my internal database was and is very excellent. I would love to give their name but I don't do that for security reasons." – IT Executive, Energy Company

  • 16
    Undisclosed
    250 - 999 Employees
    Los Altos CA

    Smith.ai is a virtual receptionist and lead intake services company located in Palo Alto, Calif. Founded in 2015, they employ over 100 staff specializing in live calls and website chat for small and mid-market companies, typically in legal, hospitality, finance, e-commerce, healthcare, and real estate. Services include AI chatbots, live chat, conversion optimization, and virtual receptionists.

    Clients
    Hacking Law Practice
    Wondermint
    Fagan Fagan & Davis
    Merchbar
    Industries
    Notable Project

    Smith.ai provided ongoing call services for a law firm. They handled inbound and outbound calls, and also managed website chat and scheduled any consultations or calls. Working with Smith.ai enabled the client to scale its client base and revenue. 

    “When a call is transferred to me, people always give very positive feedback about their experience speaking with the Smith.ai team. People have spoken about how accommodating and nice they are, which makes me feel good. It’s been very helpful in our scaling efforts.” – CEO, Law Firm

  • 17
    $1,000+
    50 - 249 Employees
    Portland OR
    Prialto is a midsize non-voice bpo/back office services company. Headquartered in Portland, Oregon; Guatemala City, Guatemala and Manila, Philippines, the company was launched in 2008. Their services include non-voice bpo/back office services and voice services.
    Industries
    Notable Project

    Prialto provides virtual assistance to a nonprofit organization management company. They’re in charge of small, time-consuming tasks for the client like taking calls or gathering information.

    “They’ve worked around things for me, and they’ve shown up when they didn’t have to. Overall, they’re great partners.”

  • 18
    $250,000+
    250 - 999 Employees
    Miramar FL

    Arise is a business process outsourcing company headquartered in Miramar, Florida, with offices in Atlanta, Orlando, and Canada. Established in 1994, they have a team of about 2,000 that provides both voice and non-voice BPO/back office services.

    Industries
    Notable Project

    Arise handles the outbound marketing, consisting mainly of calling services for a business manufacturing company that was looking for the right company to improve their business processes.

    "They are helpful...It's been a very good experience." — Sales Manager, Manufacturing Company

  • 19
    Undisclosed
    50 - 249 Employees
    Las Vegas NV

    Abby Connect is a virtual receptionist firm in Las Vegas. Established in 2005, the team now has 40+ employees. They provide virtual receptionist and answering services for small businesses and mid-market companies in the financial, legal, and business services industries. 

    Industries
    Notable Project

    A law firm wanted to have a service to answer the phone when they weren't there and provide great customer service as well. They hired Abby Connect handles phone services and helps the law firm facilitate customer communication. 

    "I appreciate the consistency of their agents. It makes it feel like they’re in the office as opposed to being a call center." – Senior Attorney, Law Firm

  • 20
    Undisclosed
    50 - 249 Employees
    Buford GA

    VoiceNation is a live answering service company based in Buford, Ga. It was established in 2003 and now employs a team of 50. VoiceNation provides voice and non-voice BPO and back-office services.

    Clients
    Adobe
    McDonalds
    Dell
    Hyundai
    Industries
    Notable Project

    A marketing company had a voice answering service that customers didn't like and often meant that the company missed out on clients because of it. VoiceNation now handles all their phone services. Their support has which improved client relations and increased the quality and number of leads.

    " When we first pushed to Voice Nation, I was shocked at how many phone calls we were getting. It turned out that we had been getting them all along, but people simply didn’t want to leave a message...I would say that we’re reclaiming about 60% of the opportunities which were lost before." — CEO, Marketing Company

  • 21
    Undisclosed
    250 - 999 Employees
    Portland OR

    AnswerConnect is a contact center solutions firm based in Portland, Ore. Established in 2002, they have 38 employees, and offer a wide variety of voice-oriented customer service options. Their solutions include voice and non-voice BPO/back office services.

    Clients
    UCLA
    Verizon
    Bank of America
    Early Impact
    Industries
    Notable Project

    AnswerConnect provides security-oriented customer support for an IT Services firm in Florida. The client needed a provider that could handle both high volume and sophisticated customer issues, as well as save them money on operations. AnswerConnect provides contract-based consistent support, and has helped the client focus on their internal management and growth.

    "They have the ability to handle a high capacity of work. I save an estimate of 40% of time and money." — CEO, IT Firm

  • 22
    $5,000+
    250 - 999 Employees
    Austin TX

    Located in Austin, EBQ has a team of around 250 working with clients in the IT, advertising, and business industries. They provide voice services, CRM consulting, and email marketing expertise to clients looking for B2B lead generation and appointment setting.

    Industries
    Notable Project

    A software company was eager to work with EBQ to increase the opportunities to make sales and earn new business by calling clients who have expiring contracts with the client’s competitors. They generated a steady increase of lead generation and new business opportunities for the client.

    “I find their eagerness most impressive. For example, we have given them multiple lists of more than 1,000 people, and they seem to always get through them with a positive attitude and are asking for more people to call. Also, their attention to detail and deadlines is notable. We have a very complex product, and they do a good job of explaining it and getting people interested.” – Marketing Coordinator, Software Company

  • 23
    Undisclosed
    50 - 249 Employees
    Jackson MI

    AMBS Call Center provides voice services from its Jackson, Mich. headquarters and additional locations in Grand Rapids, Mich. and Tampa, Fla. Founded in 1932, they have about 27 employees that serve a variety of clients in a range of sectors. 

    Clients
    Cadillac
    Federal Mogul
    Michigan State University
    Henry Ford Health System
    Industries
    Notable Project

    AMBS provides 24/7 customer support for a commercial flooring company in Michigan. The client needs to maintain an emergency line for customers with water damage or other urgent matters, and saves money with AMBS answering calls. The AMBS team worked with the client to establish a workflow for responding to emergencies and make sure they could provide adequate service. The partnership has helped the client earn several jobs they otherwise may have missed after hours.

    "The level of training for each employee is remarkable. Everyone that we speak to seems to have been briefed on our business, which is important for serving our needs. Their price is also impressive." – Vice President, Commercial Flooring Company

  • 24
    Undisclosed
    250 - 999 Employees
    Denver

    Intelligent Office is a business process outsourcing firm based in Denver with offices in Washington, DC, London, and Canada. Established in 2010, their team has grown to 300 employees. Intelligent Office offers a wide range of outsourced operations solutions. The bulk of their services consists of voice BPO, including inbound calls and customer support; they also offer non-voice services, such as live chat and virtual assistant solutions.

    Clients
    Oddyssey Health Services
    Skillstat
    Era 303 Services
    Notable Project

    Intelligent Office provides inbound call support for a manufacturing firm in Pennsylvania. The client's business benefits considerably from having inbound support, but they do not have the scale for such resources in-house. Intelligent Office provides a flexible pricing mechanism based on the client's needs. The team has been quick to adapt to shifting requirements.

    "Intelligent Office is very good at response time, as well as correctly finding ways to meet your needs in a pinch." – IT Director, Manufacturing Firm

  • 25
    Undisclosed
    50 - 249 Employees
    Margate FL

    Based out of Margate, Florida, Answering Service Care offers voice services to small businesses. This includes answering a variety of phone call inquiries from stakeholders. The telecommunications vendor has fewer than 50 employees serving industries spanning from real estate to legal and medical. The company was founded in 1974.

    Industries
    Notable Project

    Answering Service Care offers ongoing call center services for an IT technology and consulting company. This involves responding to both general inquiries and third-party clients. The team continues to excel at building a positive rapport with the client and external stakeholders.

    "They have maintained a very effective workflow." – CEO, IT Tech & Consulting Company

  • 26
    Undisclosed
    10 - 49 Employees
    Spokane WA

    Sound Telecom is an answering services provider based in Spokane, Wash., with a team of 25. Founded in 1986, the team provides voice and transcription services for clients in a variety of industry.

    Clients
    Boeing
    Microsoft
    Starbucks
    Industries
    Notable Project

    Sound Telecom provided answering services with voicemail and call forwarding features for a healthcare company. The team recorded names and numbers to ease their return call process. All of these services were delivered on time.

    “They are prompt and answer in a personal and professional manner. They offer many benefits with their service. They are affordable and trustworthy.” — Manager, Healthcare Company

  • 27
    $1,000+
    250 - 999 Employees
    Irvine CA

    Kareo 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
    Software Advice
    C Net
    Industries
    Notable Project

    Kareo was hired by a transportation company to assist with its medical billing needs, specifically the client's 401ks. Kareo's work enables the client to save 23 hours per month, while simultaneously allowing the client to offer for benefits to its employees.

    "Their service is very good." — Administration Manager, Transportation Company

  • 28
    $5,000+
    1,000 - 9,999 Employees
    Miami FL

    Triniter is a BPO service company based in Miami, with offices in Chatrapatti, India and Davao City, Philippines. The company, founded in 2015, has more than 500 employees and provides voice services and non-voice BPO/back office services to small and midmarket companies.

    Clients
    WoodBows
    TheUKApps
    Runway Designer Wear
    TrinityWired
    Industries
    Notable Project

    An online sales platform hired Triniter to provide email and chat customer support services. Despite a challenging start, Triniter provided services that met all expectations.

    "They were really approachable, flexible, and added a lot of value to us." - COO, Online Sales Platform

  • 29
    $5,000+
    250 - 999 Employees
    Beverly MA

    OnBrand24 is a call center services company from Beverly, Mass. with offices in Savannah, Ga., Portsmouth, N.H., and Boston. It was founded in 1980 and has grown to a team of about 225 employees. OnBrand24 offers both voice services and non-voice/BPO back office services to mid-size and large enterprise clients.

    Clients
    Southwest Indian Foundation
    Alpha Software
    Enservio
    Industries
    Notable Project

    A real estate company needed to hire a business services team for call services to improve their debt collection rates. OnBrand24 provides cold calling, telemarketing, lead generation, and appointment setting services.

    "Their strengths are their customer service and flexibility...They have helped my company save over $10,000. I have an 80% success rate of collections." – CEO, Real Estate Company

  • 30
    Undisclosed
    10 - 49 Employees
    Scottsdale AZ

    Back Office Betties is a virtual receptionist agency based n Scottsdale, Ariz. Founded in 2014, this company has 13 employees. Services provided by Back Office Betties are focused on voice services and receptionist work for legal firms and small businesses.

    Clients
    Various Law Firms
    Industries
    Notable Project

    Back Office Betties provides ongoing call center services for a law firm. They take messages from callers, as well as conducting warm transfers, providing information to prospective clients, and scheduling follow-up calls. The law firm has continued working with Back Office Betties for several years due to the quality of their work.

    "Back Office Betties is the face of my company: they’re the first people that a new client talks to. People think their team is a receptionist in my office. I’ve never had an issue where someone didn’t end up hiring me because of their communication with the Back Office Betties team." - Attorney, Law Firm

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Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with a Manifest Analyst.

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