Top 100 Call Center Services

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Top 100 Call Center Services

August 2022

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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. 

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List of the Best Voice Services Providers on the Market

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  • 6
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 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

    • Cisco
    • ITernal Group
    • FrontCore
    • Digital Knights

    Industries

    Notable Project

    Belkins handled lead generation services for a virtual data room (VDR) solutions company. The team led research efforts for leads and crafted an ideal customer profile (ICP).

    "They were tech-driven, always full of ideas, and ready to test various approaches."

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  • 7
    • Scheduling

      4.8
    • Quality

      4.7
    • Cost

      4.6
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • Oakville, Canada

    Martal Group is a sales agency based in Oakville, Canada and San Francisco. Founded in 2009, their team currently consists of 70 employees, who serve mostly technology companies in SaaS, Enterprise software and IT sectors. They offer services in outbound lead generation, appointment setting, account management, and sales.

    Clients

    • Fullscreen
    • Jedox
    • Clickworker
    • Quaenet

    Industries

    Notable Project

    A media services company hired Martal Group to come up with a sales plan and expand their business in North America and LATAM. They helped the firm secure strategic partnerships in the aforementioned markets.

    "We were satisfied with their professional communication frequency and quality."

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  • 8
    • Scheduling

      4.6
    • Quality

      4.5
    • Cost

      4.3
    • NPS

      4.6
    Read Full Reviews on Clutch Visit Site
    • 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

    • Alima Technologies
    • Intrepid Advisors
    • LexisNexis
    • LiQWID

    Industries

    Notable Project

    Callbox was tasked to generate leads for an IT-managed services provider. The services included creating content, call scripts, email copies, landing pages, and social media messaging.

    "Their marketing plan could be reassessed in order to obtain some results for their clients."

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  • 9
    • $1,000+
    • 1,000 - 9,999 employees
    • Hollywood, FL

    Remote CoWorker is a virtual assistant outsourcing company founded in 2013 and located in Hollywood, Fla. They have a team of about 10 employees who offer non-voice BPO/back office services, along with voice, finance and accounting outsourcing, and HR services. Their client base comprises small business in the real estate, business services, IT, and telecommunications industries.

    Clients

    • Amazon
    • Aavgo
    • TheDreamzTeam
    • Managed IT Solutions

    Industries

    Notable Project

    Remote CoWorker provides a cleaning company with customer support services. The client has walked them through the software they utilize, and Remote CoWorker optimized them using their expertise. 

    "I have tried 2-3 companies, and Remote CoWorker has worked out the best."

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  • 10
    • $1,000+
    • 10,000+ employees
    • Draper, UT

    Fusion BPO Services is a global business process outsourcing firm headquartered in Montreal, Canada, that was established in 2004. Their team of over 1000 employees offers voice BPO, non-voice BPO, and transcription services.

    Clients

    • PAYTM
    • TATA
    • SNAPDEAL
    • RELIANCE JIO

    Industries

    Notable Project

    Fusion BPO Services provides inbound and outbound calling services for a consulting company. They use MWP tools for agent access. 

    "There are almost everywhere, with such portfolios and clientele."

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  • 11
    • Scheduling

      5.0
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • 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 provides virtual receptionist services for an employment law firm. Their resources handle all incoming calls for the client and transmit the information that they gain from the callers to the company. 

    "Their services are flawless and affordable."

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  • 12
    • $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 is providing customer service support for a private equity group’s recently acquired companies. They’ve also helped the client migrate their CRM to HubSpot and their phone app to Ring4.

    "Everyone from Unity is cheerful, upbeat, and positive, on all levels."

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  • 13
    • Scheduling

      4.8
    • Quality

      4.7
    • Cost

      4.4
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $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

    EBQuickstart provided sales development representatives for a SaaS company. The team supported the client's cold calling and customer qualification pipelines and provided list-building services.

    "They provided high-end sales B2B services at a reasonable cost."

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  • 14
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 50 - 249 employees
    • New York City, NY

    CrewBloom is an outsourcing partner based in New York. Founded in 2016, their team of around 60 employees provides back-office services and voice services.

    Clients

    • WebFX
    • Pfizer
    • Allstate
    • Asurea

    Industries

    Notable Project

    CrewBloom provides customer support outsourcing services for a container manufacturing company. They've provided three sales development representatives to answer calls and respond to inquiries and requests.

    “CrewBloom has been a good partner in helping us grow our business quickly."

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  • 15
    • $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

    A health monitoring platform was looking for a vendor that could deal with technical issues that were reported by their users. They chose to partner with SupportYourApp because of their experience.

    "We were very impressed with everything."

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  • 16
    • Scheduling

      5.0
    • Quality

      4.9
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $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

    • Comviva
    • Flytxt
    • Tecnotree
    • Algoworks

    Industries

    Notable Project

    SalesAladin is providing Salesforce consulting for an IT services company. They’re integrating the client’s systems and processes into Salesforce. 

    "Everything has been completed on time."

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  • 17
    • $1,000+
    • 50 - 249 employees
    • Durrës, Albania

    Dalerio Consulting is a consultancy founded in 2017 in Durres, Albania with no more than 10 experts. They specialize in social media marketing, email marketing, and SEO solutions for small and mid-market agencies in the industries of advertising and business services.

    Clients

    • KlimaTek
    • Korrieri

    Industries

    Notable Project

    Dalerio Consulting provides ongoing web design and digital marketing services. They built the website in WordPress and are currently promoting it on social media.

    "Everything I have asked for so far in terms of design they’ve delivered." 

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  • 18
    • Scheduling

      4.7
    • Quality

      4.7
    • Cost

      4.5
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 250 - 999 employees
    • Miami Beach, FL

    Uassist.ME is a virtual assistance services firm founded in 2009. Based in El Salvador, the team of over 150 employees specializes in non-voice BPO/back office services, voice services, and HR services.

    Clients

    • Facebook
    • Twitter
    • Uber
    • Instagram

    Notable Project

    Uassist.ME was a real estate management company’s lead management partner. Their team of 15 resources worked closely with the client to qualify, nurture, and prime leads. 

    "Together, we built a sustainable and efficient lead management process."

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  • 19
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 2 - 9 employees
    • Walnut, CA

    Upcall is an outbound call service based in San Francisco. It was founded in 2016 and now has a team of around 20 that is exclusively dedicated to providing voice services. 

    Clients

    • LG
    • Hotel Tonight
    • Munchery
    • 99designs

    Industries

    Notable Project

    Upcall was hired to generate more leads for a golf course software startup. Their current task is to continuously find great fits for the client's accounts through outbound marketing calls.

    "The transparency they provide is second to none. They are also always open to feedback and getting better."

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  • 20
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • London, United Kingdom

    SalesAR is a B2B lead generation company from Kyiv, Ukraine. Since 2019, their team of 25 employees provides email marketing and content marketing mostly to small businesses in the advertising, IT, and business services industries.

    Clients

    • Vedamo
    • SoftServe Business Systems
    • Pharmax
    • Tricent

    Industries

    Notable Project

    An IT consulting services company hired SalesAR  for digital marketing services. They are tasked with establishing a stronger connection and increasing lead generation through email and LinkedIn outreach.

    "We can rely on what the team is doing and do our job without wasting time."

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  • 21
    • Scheduling

      4.8
    • Quality

      4.7
    • Cost

      4.5
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 10 - 49 employees
    • Los Angeles, CA

    Founded in 2016, Cleverly is a marketing agency that offers lead generation and LinkedIn Ads to their clients. Their 50 employees are based out of Los Angeles.

    Clients

    • LeaseLock
    • Bambee
    • MeMD
    • Kustomer

    Industries

    Notable Project

    Cleverly was hired by an e-learning platform for customer outreach campaigns. After the initial kick-off meeting, the team set up a LinkedIn campaign where they reached out to the client's target audience.

    "They really took into consideration our target audience and tailored everything accordingly."

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  • 22
    • Scheduling

      4.8
    • Quality

      4.7
    • Cost

      4.1
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • Evanston, IL

    Founded in 2004, Acquirent is a telephone answering service. The small Evanston, Illinois-based team specializes in voice services and CRM consulting and SI.

    Clients

    • HomeAdvisor
    • Weight Watchers
    • Logistyx Technologies
    • Greenlight Medical

    Industries

    Notable Project

    Acquirent provides call center services for an omnichannel multimedia company. They use approved scripts to apply surveys via email and phone calls to provide leads.

    “We feel comfortable bringing on anything and throwing it to them because they adapt easily.”

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  • 23
    • $10,000+
    • 1,000 - 9,999 employees
    • Cambridge, MA

    Founded in 2015, Peak Support is a Boston-based business process outsourcing (BPO) provider. Their approximately 250 employees provide both voice services like inbound appointment scheduling and B2C telemarketing. They also provide email- and chat-focused customer support.

    Clients

    • Ministry of Supply
    • Public Rec
    • BloomNation

    Notable Project

    Peak Support provides customer support through Facebook and Zendesk for a wholesale and manufacturing company. They also are working on a customer feedback loop, collecting data from several funnels.

    “Their passion and energy in listening to, and solving, people’s issues, sets them apart from the competition.”

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  • 24
    • $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

    Simply Contact offers email support to German, English, and Japanese clients of a customer service provider. They provide eight hours of service a day using an internal tool called EmanageCRM.

    "They are easy to talk to. Scheduling meetings or training are hassle-free."

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  • 25
    • Scheduling

      4.9
    • Quality

      5.0
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • Boca Raton, 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 generates leads and makes over a thousand calls per month on behalf of their client. They’re involved in the entire sales process. They even send out samples to potential buyers and record orders.

    “What matters to us is sales, and because of them, our business is growing every month.”

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  • 26
    • Scheduling

      5.0
    • Quality

      4.5
    • Cost

      4.5
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $250,000+
    • 1,000 - 9,999 employees
    • București, Romania

    Conectys is a București, Romania-based call center. The large team offers voice services, non-voice bpo/back office services, and enterprise app modernization and was launched in 2004.

    Industries

    Notable Project

    An AI computing company hired Conectys for call center services. They aim to provide support on European technical services in seven new languages for their consumer product line.

    "They provide frequent and proactive communication."

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  • 27
    • Scheduling

      4.5
    • Quality

      4.8
    • Cost

      4.6
    • NPS

      4.6
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 1,000 - 9,999 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

    VSynergize offered sales and marketing support, including creating messaging for an email campaign, researching a target market, as well as conducting calls and scheduling appointments with a list of contacts.

    "They have an outstanding workflow — the process I have been through with this team has been seamless."

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  • 28
    • $1,000+
    • 1,000 - 9,999 employees
    • The Woodlands, TX

    Solvo Global is a voice service company with a team of over 250 people and founded in 2014. Headquartered in The Woodlands, Texas, they not only offer voice services but also various back-office services for clients.

    Clients

    • CenCal Insurance Services
    • Liquid Global Company

    Notable Project

    Solvo Global handles BPO services for a management consulting firm that caters to the legal industry. This involves conducting call center services, setting appointments, nurturing leads, and other admin tasks.

    "I've been very pleased with their services."

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  • 29
    • $1,000+
    • 250 - 999 employees
    • Los Angeles, CA

    Outsource and Save, a call center company, was launched in 2019. Based in Los Angeles, California, their midsize team offers call center services, back office outsourcing, customer service outsourcing, sales outsourcing, and more.

    Industries

    Notable Project

    Outsource and Save provided recruiting and sales services for a staffing and recruiting company. They presented a service agreement that outlined logistics and assisted the client's in reopening the business.

    "I appreciated how thorough the intake call was."

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  • 30
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 50 - 249 employees
    • Las Vegas, NV

    Leadium is a voice services firm based in Alexandria, Va., with an additional office in Kiev, Ukraine. Founded in 2016, the team of 100 specializes in email marketing, market research and CRM consulting and SI. They work primarily with small business clients, mostly in the IT industry.

    Clients

    • Segment
    • Art.com
    • Microsoft
    • Rockbot

    Industries

    Notable Project

    Leadium performs sales prospecting activities to help a SaaS company find more leads and expand their customer base.

    "The team is super easy to work with."

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