Looking for a top contact center?

Review this list of best call services on the market to determine the best fit for your company. Voice services companies provide value to your company: automating your client communication allows your company the flexibility to devote resources to core firm-building activities.

That's why we've created this list of the best call centers 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 Voice Services Providers on the Market

  • 1
    Undisclosed
    50 - 249 Employees
    Scottsdale AZ

    Intelemark is an appointment setting and B2B lead generation company based in Scottsdale, Ariz. The company, founded in 1999, has more than 25 employees who provide voice and other marketing services to various companies.

    Clients
    Dow Jones
    FedEx
    Amazon
    Pfizer
    Industries
    Notable Project

    A hospital consulting firm hired Intelemark to connect the firm with decision-makers within hospitals to let them know about the firm's new services link that could help cut hospital supply chain costs. This involved cold outreach and scheduling services and mailing of collateral materials. Through this engagement, Intelemark has generated millions for the firm through lead and appointment generation. 

    "The vast majority of the time, we’re able to move forward with the leads they found." - VP of Business Development, Hospital Consultancy Firm

     

  • 2
    $1,000+
    1,000 - 9,999 Employees
    Solana Beach CA

    Cience is a PaaS (People as a Service) company based in Los Angeles. It has offices in Ukraine and Manila and was established in 2015. Their team of more than 550 employees offers voice services, conversion optimization, and CRM consulting and SI services. 

    Clients
    SAP
    Microsoft
    Okta
    Bambora
    Industries
    Notable Project

    Cience provided market research and outbound marketing for a language services provider to increase leads and sales. Their team sent out 500–1,000 emails a week. Their work produced two to three leads a week.

    "They were extremely diligent in their data gathering process, and we had access to all conversations they had with any prospects or any research they’ve done." – Sales Operations Manager, Language Services Provider

  • 3
    $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
    Google
    Cisco
    Mindbody
    Zendesk
    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

  • 4
    $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

  • 5
    $1,000+
    50 - 249 Employees
    Dover DE

    Belkins is a technology company that leverages proprietary technology and a unique methodology to set appointments with target client prospects for revenue leaders in a variety of industries. Our award-winning, blended SAAS and Service model has been fine-tuned over the last 5 years and has supported hundreds of clients globally.

    Clients
    MyDutyFree
    CC-Interactive
    AddCPM
    Prof.Estate
    Industries
    Notable Project

    Belkins completed market research for a digital marketing agency to help the agency generate more sales and increase productivity. The client felt that Belkins delivered everything they needed.

    "We were most impressed by the responsive of the research team. They were always available for questions and feedback." — Chief Commericial Officer, Digital Marketing Agency 

  • 6
    Undisclosed
    250 - 999 Employees
    Orlando FL

    XACT is a telecommunications company, founded in 1998 and located in Orlando, Fla. They have 69 employees specializing in custom-designed contact center solutions for companies in business services, finance, and consumer products and services. They offer voice services, help desk and web support, marketing, and virtual receptionist services.

    Clients
    MediaWorks 360
    Industries
    Notable Project

    XACT provided call center services for a hospitality and health care company. They offered reporting services and created a dental practice information directory for the agents. XACT leveraged a comprehensive training process to deliver excellent abandon rates, conversion rates, and QA scores for the client.

    “The abandon rate was exceptional, basically zero. We didn’t have any issues with missed calls, and the agents were always polite. The conversion rates and QA scores were also impressive. We carried about a 35-percent conversion rate, from seeing a TV commercial to making a call and setting an appointment, and they maintained that.” – Former Manager, Hospitality & Health Care Company

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  • 7
    $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

  • 8
    Undisclosed
    250 - 999 Employees
    Encino CA

    Callbox 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
    TaxMatrix
    dcBLOX Inc.
    Malvern Panalytical
    Spruce Technology
    Industries
    Notable Project

    Callbox was hired by an advertising company to take charge of its telemarketing and lead generation through its outbound calls. Previously the client was handling around 85 calls per day, which saves the client around 40 hours and $50 per month.

    "Their strongest point is their infinity call tracking...Their service is perfect for me." – Marketing Manager, Advertising Company

  • 9
    $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.

    Clients
    Introel Communications Inc,
    iPipeline
    OKI Data
    BigCommerce
    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

  • 10
    $5,000+
    10 - 49 Employees
    Oakville Canada

    Martal Group is a sales agency based in Oakville, Canada and San Francisco. Founded in 2009, their team currently consists of 34 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
    Uber Freight
    Clickworker
    Berger-Levrault
    Jedox
    Industries
    Notable Project

    A Freight Digital Platform hired Martal Group to grow its North American client base. They assisted with campaigns targeting 3 different customer segments owning research / prospecting, messaging (email, call scripts), and outreach (email, calls) to schedule meetings before handing off to in-house sales team. The client landed some new logos and is nurturing others, he noted that compared to the client's other provider, Martal Group performed exceptionally. 

    "Their quickness at learning our product and industry as well as their ability to pivot impressed us." – Business Development Manager, Freight Digital Platform

  • 11
    $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
    Yale School of Management
    The Loomis Company
    Data Infinity
    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 

  • 12
    $5,000+
    50 - 249 Employees
    Coral Springs FL

    SalesRoads is a B2B appointment setting and lead generation provider based in Coral Springs, Fla. that was established in 2006. Their team of more than 30 employees offers sales outsourcing and telemarketing services.

    Industries
    Notable Project

    SalesRoads provided outbound call services for a marketing agency to generate more leads and increase sales. Their team conducted a discovery period to garner information about the business and created a custom script. Their work provided a significant ROI.

    "Overall, sales have increased in triple digits since the start of our collaboration.​" – Sales Director, Marketing Agency

  • 13
    $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
    AT&T
    T-Mobile
    RingCentral
    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
     

  • 14
    $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

  • 15
    $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

  • 16
    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
     

  • 17
    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

  • 18
    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

  • 19
    $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

  • 20
    $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

  • 21
    $10,000+
    50 - 249 Employees
    Haddon Township NJ

    VSA, Inc. is a B2B telesales company headquartered in Haddon Township, N.J. They also have an office in Philadelphia. The company, founded in 2001, has a team of 100 people who specialize in voice services. They mostly work with mid-market businesses, but also have small and enterprise clients. Working across industries, they have built expertise in the health care, education and manufacturing and logistics industries.

    Clients
    Healthcare Administrative Partners
    Care Logistics
    Edwards Life Sciences
    School Wise Press
    Industries
    Notable Project

    VSA, Inc. provided lead generation and appointment setting services for a software company. The client wanted to identify business owners that they could potentially partner with. VSA, Inc. conducted research and developed a list of potential companies, and set up meetings for the client with the C-Suite individuals of those companies. After working with the company, the client received new business. 

    “VSA exceeded our expectations, successfully delivering qualified leads that led to new business.” — Director of Business Development, Software Company 
     

  • 22
    $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
    METRO
    WIZZ AIR
    Yves Rocher
    Ukrainian International Airlines (UIA)
    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

  • 23
    $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
    Sogro
    Coppertino, Inc.
    Petcube
    Macphun
    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

  • 24
    $10,000+
    2 - 9 Employees
    Burnaby Canada

    Lead Generators International is a business-to-business telemarketing firm that was founded in 1992. Based in Burnaby, Canada, this team of 11 provides telephone lead generation, appointment setting, telephone market research, database updating, mail list procurement services.

    Clients
    Microsoft Dynamics
    Healthways
    The Yellow Pages Group
    IBM
    Industries
    Notable Project

    Lead Generators International provided lead generation services for an engineering and IT firm. The team conducted market research before cold calling and writing letters to potential customers. Their services drove a significant increase in sales.

    "They have an excellent account manager who took time to get to know the product in order to better engage with our potential clients. He was able to answer their questions and even came on sales calls with me to introduce me to the leads. The entire team was engaged in and enthusiastic about our project." – Sales Manager, Industrial Automation Company

  • 25
    $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. 

    Clients
    Bank of America
    AOL
    Verizon
    JCPenney
    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

  • 26
    $1,000+
    50 - 249 Employees
    Stafford TX

    Unee Solutions is a business process outsourcing firm based in Stafford, Texas with additional assets in India and Israel. They were founded in 2007 and currently have a staff of 125 employees. Unee Solutions' solutions focus on lead generation and include both voice outsourcing and non-voice back office services.

    Clients
    Kern
    Krohne
    Cimatron Group
    Jurat
    Industries
    Notable Project

    Unee Solutions provides voice lead generation for a luxury bed and breakfast in Colorado. The client wanted to stand out from crowded search results that prioritize large brands and partnered with Unee for a more distinct lead generation strategy. Unee's voice support agents provide outbound calls and booking over the phone. The team has considerably outperformed the client's original in-house efforts.

    "I was paying a couple of people roughly $1,500 per month to do it previously and they were only spending maybe 10 hours in total a week to produce 2 to 4 leads. Now I pay roughly $2,000 for unknown hours with 15 to 20 leads. Invaluable!" — Owner, Colorado Bed and Breakfast

  • 27
    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
    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

  • 28
    $1,000+
    250 - 999 Employees
    San Francisco CA

    Vsynergize is a global sales and marketing service provider that has offices in San Francisco, Westborough, Mass., and Pune, India. Founded in 2001, Vsynergize's team of about 300 employees has nearly two decades of experience specializing in call center services. The firm also extends back-office services to its clients in the financial services, telecommunications, and healthcare industries. 

    Industries
    Notable Project

    The team at Vsynergize partnered with a telecommunications company to provide telemarketing solutions that would improve customer relations while recording data on customer needs and wants. They provided call center services on behalf of the client in order to interact with customers and used the resulting data to make telemarketing recommendations to the client. The client was impressed with the teamwork and organization that Vsynergize displayed throughout the project. 

    "I find them very stable and very good with great teamwork. I really like this company." —Business Development Executive, Telecommunications Company 

  • 29
    $1,000+
    10 - 49 Employees
    Ghaziabad India

    SalesAladin is a customer acquisition firm founded in 2016 in Ghaziabad, India. With a team of more than 40 employees, SalesAladin supplies clients in the IT, business services, and healthcare industries with content marketing, voice/call center services, and non-voice BPO/back office services.

    Clients
    In2IT Technologies
    Celebal
    Xebia
    Wave Labs
    Industries
    Notable Project

    SalesAladin built a campaign to increase the customer base of a software development firm. SalesAladin spent many hours on the phone calling potential clients to schedule appointments, and they were instrumental in closing contract deals to increase the client list.

    "They were very attentive and proactive in asking relevant questions and figuring out how they could do better." – Director, Software Development Firm

  • 30
    Undisclosed
    10 - 49 Employees
    Minsk Belarus

    Universal Media is a media agency founded in Minsk, Belarus in 2015 with more than 10 employees. They offer voice services, translation, and video production solutions for clients that work in the fields of advertising, financial services, and gaming.

    Clients
    Apple Airpods
    UBS
    The International Committee of the Red Cross
    Industries
    Notable Project

    Universal Media provided video voiceover and translation services for a travel agency. The agency was looking to dub one of their videos in Russian. Both the English and Russian versions of the videos ended up being a success.

    “You can immediately notice that the company has an excellent working process, the interaction was clear and efficient.” - Travel Agent, Travel Agency

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NEED HELP SELECTING A COMPANY?

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.

TELL US ABOUT YOUR PROJECT