Top 100 Call Center Services

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Top 100 Call Center Services

June 2023

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. 

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List of the Best Voice Services Providers on the Market

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  • 5
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.7
    • 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

    • Bosch
    • Zoho
    • Halo
    • MicroFocus

    Industries

    Notable Project

    Martal Group helps an LED company with their prospecting and new business development. The project is a collaboration with the internal team.

    "The team members are professional and very knowledgeable."

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  • 6
    • $5,000+
    • 1,000 - 9,999 employees
    • Denver, CO

    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

    • Nasdaq
    • US Bank
    • Salesforce
    • Google

    Industries

    Notable Project

    CIENCE Technologies provided appointment-setting and cold-calling services for an IT services and solutions company. This also involved outreach campaigns, cold emailing, and cold messaging on LinkedIn.

    "The appointment generation process was impressive." 

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  • 7
    • Scheduling

      4.9
    • Quality

      4.8
    • Cost

      4.7
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 1,000 - 9,999 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

    • DoorDash
    • Headspace
    • Jam City
    • Bittrex

    Industries

    Notable Project

    An IoT company hired Helpware to handle their video labeling efforts.

    “Helpware excels at project management.”

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  • 8
    • Scheduling

      4.9
    • Quality

      4.9
    • 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 provided sales outsourcing services for an insurance nonprofit. They created a target list and script, made cold calls, and set appointments to attract companies as sponsors and partners.

    “The quality of contacts was like no other, so we had to do less work with SalesRoads than with other solutions.”

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  • 9
    • $1,000+
    • 10 - 49 employees
    • Horsham , United Kingdom

    Small direct marketing company Virtual Sales Limited, is in Horsham , United Kingdom. They specialize in direct marketing and market research and were launched in 2001.

    Industries

    Notable Project

    Virtual Sales Limited provides sales outsourcing services for a cloud and data analytics company. The team is responsible for identifying and cold-calling potential customers and scheduling meetings with them.

    "They take the time to fully understand their domain and hone the messaging."

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  • 10
    • $5,000+
    • 2 - 9 employees
    • London, United Kingdom

    The Lead Gen Dept is a digital agency based in London that specializes in helping B2B companies generate and engage sales-ready leads with your ICP. Founded in 2019, The Lead Gen Dept has a specialized team helping clients to connect and book meetings with pre-approved target accounts. They have significant experience in the enterprise space and take care of all the top-of-funnel activities leading to a prospect requesting a call.

    Clients

    • WhosOn
    • ThinkAutomation
    • ArtuData
    • Grey Monarch

    Industries

    Notable Project

    Lead Gen Dept. provides lead generation services for a geospatial tech company. After a brainstorming session, they help review potential customers, launch campaigns, and monitor progress.

    "Seeing how well they respond to the challenge is inspiring."

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  • 11
    • Scheduling

      4.6
    • Quality

      4.6
    • Cost

      4.3
    • NPS

      4.6
    Read Full Reviews on Clutch Visit Site
    • Undisclosed
    • 250 - 999 employees
    • Los Angeles, 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 spearheaded a global trade and service provider's lead generation efforts to get active leads from Europe and USA. They leveraged the integrated marketing plan to target potential clients.

    "We were impressed by their long-time experience and willingness to bring value to both sides."

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  • 12
    • $10,000+
    • 10,000+ employees
    • Kolkata, India

    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 is providing call center services for a hospitality company. They consider the client’s technical and commercial needs when hiring resources.  

    "Fusion has always exceeded our expectations."

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  • 13
    • Scheduling

      4.8
    • Quality

      4.6
    • Cost

      4.1
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 250 - 999 employees
    • Nashville, TN

    JumpCrew is a midsize advertising company. They focus on advertising, digital strategy, marketing strategy, content marketing, and more and were launched in 2016. The company is based in Nashville, Tennessee.

    Clients

    • Alibaba
    • AT&T
    • Bosch
    • Experian

    Industries

    Notable Project

    An academic portal wanted to engage with the K12 environment. JumpCrew provided outsourced sales services and developed a strategy to engage prospects, leveraging collateral materials and setting appointments.

    “They knew their craft, and we always got a call back from them.”

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  • 14
    • $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 outsourcing services for a financial services company. They have searched for qualified candidates to build, update, and promote websites and rewrite content.

    "Their technical skill level and communication are excellent."

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  • 15
    • $1,000+
    • 250 - 999 employees
    • Warszawa, Poland

    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

    A wheelchair rental system has hired Simply Contact to manage their inbound customer support. The team handles inquiries and troubleshooting and provides guidance in both English and German.

    "We are extremely satisfied with Simply Contact's services."

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  • 16
    • $1,000+
    • 50 - 249 employees
    • Farmington, CT

    Strategic Sales & Marketing (SSM) is a lead generation company based in Farmington, Conn. Founded in 1989, SSM helps companies with lead generation and appointment setting services focused on B2B major accounts.  Typical clients are looking to reach the Owner, Director, VP or C level of contact, have a sales cycle that requires multiple touch-points, and uses a "solution sell process." 

    Clients

    • CT Technology Council
    • FFF Associates
    • Gerber Scientific
    • Karen Spencer Design

    Industries

    Notable Project

    Strategic Sales & Marketing launches sales campaigns for a laboratory service provider with cold calling. Their main audience was set to be physicians and scientists.

    "Their project manager understands sales and marketing incredibly thoroughly and pays attention to every small detail."

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  • 17
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.9
    • NPS

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

    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

    • Akridata
    • Accelerist
    • Arineta
    • Vector Software

    Industries

    Notable Project

    SalesAR helps a cannabis marketplace company find leads in their industry. They also perform pre-sale management tasks.

    "They do their best to achieve success with their customers!"

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  • 18
    • Scheduling

      5.0
    • Quality

      5.0
    • 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 provided call center services to a law firm. They answered calls, took messages, and routed calls.

    "Their professionalism and ability to manage stressful and difficult callers were impressive."

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  • 19
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 2 - 9 employees
    • Calgary, Canada

    Established in 2022, Alphoric is a sales outsourcing company. They are located in Calgary, Canada and have a small team. The agency offers sales outsourcing.

    Industries

    Notable Project

    Alphoric helped a PR firm with the appointment-setting process via LinkedIn and email. Following ICP research, they created lead lists and scripts and helped turn the company's cold replies into booked calls.

    They truly cared, and their results were miles ahead of any other firm we had in the past.

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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+
    • 10 - 49 employees
    • Covina, 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 provides sales appointment-setting services for a computer science curriculum company. The team handles outbound calls across 50 states to key decision-makers in public and private K-12 education sector.

    "They act as a true extension of our team!"

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  • 21
    • $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

    An online medical supplies retailer has engaged with Unity Communications for BPO services. They handle incoming orders process, prescriptions evaluation, pending orders follow-ups, and email management.

    "The talent they bring is unmatched."

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  • 22
    • $1,000+
    • 1,000 - 9,999 employees
    • Wilmington, DE

    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 provides ongoing customer support for an e-commerce company. The team is responsible for external support to the client's customers via chat, email, and phone in two languages.

    "They are always very responsive and ready to help."

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  • 23
    • $25,000+
    • 1,000 - 9,999 employees
    • Sofia, Bulgaria

    Out2Bound is a marketing agency headquartered in Sofia, Bulgaria, that was established in 2016. Their team of 20 employees offers business consulting, voice services, direct marketing, on-demand lead generation services.

    Clients

    • Progress Software
    • Telelink Group
    • Sirma Group
    • Pryv

    Industries

    Notable Project

    Out2Bound assisted a software development company's marketing team in generating leads and managing their LinkedIn account. They handled email automation, database update, cold calling, and arranging meetings.

    "They demonstrated excellent communication and collaboration."

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  • 24
    • Scheduling

      1.9
    • Quality

      4.3
    • Cost

      1.8
    • NPS

      4.4
    Read Full Reviews on Clutch Visit Site
    • Undisclosed
    • 10 - 49 employees
    • Garden City, NY

    Go Answer is a leading bilingual contact center, providing 24/7 voice, web-chat, email, and ticketing services for large and small businesses. They serve multiple industries such as home services, property management, e-commerce, healthcare, transportation, and fintech. Go Answer also has a bilingual dedicated legal division that strictly handles legal intake and retainer services for law firms across the United States. Go Answer was founded in 2012 and is based in New York, with additional state-of-the-art call centers in St. Lucia and Florida. Go Answer understands the importance of being a true extension of their clients brand. They provide friendly, professional and expert answering services, virtual reception services, and custom contact center solutions that reflect the values and reputation of your company

    Clients

    • Century21
    • New York Daily News
    • LensDirect.com
    • Parker & Waichman

    Industries

    Notable Project

    Go Answer was hired by an e-commerce retailer as their primary call center for their business. The team provides about 120 agents during peak hours and handles 75% of their customers' calls.

    "We have a great relationship with them and we love their service."

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  • 25
    • Scheduling

      3.0
    • Quality

      4.7
    • Cost

      3.0
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • Undisclosed
    • 250 - 999 employees
    • Duluth, GA

    Moneypenny is a call answering and managed live chat firm based in Duluth, Georgia, that was established in 2000. Their team of over 1000 employees answers calls and live chats for mid-market and large companies looking for more personalized service.

    Clients

    • Eagle Bioscience
    • BMW
    • The Federal Saving Bank
    • Keller Williams

    Industries

    Notable Project

    A kickboxing fitness facility engages Moneypenny to provide answering services. In addition to answering phone calls, the team records and forwards messages for the client to later address.  

    "They’re friendly, timely, and receptive to my requests."

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  • 26
    • $1,000+
    • 50 - 249 employees
    • Berkeley, CA

    Wing Assistant, a back office outsourcing company, was established in 2018. Their midsize team is located in Berkeley, California. Their services include back office outsourcing, customer service outsourcing, sales outsourcing, call center services, and more.

    Industries

    Notable Project

    Luminary Leaders hired Wing Assistant for a variety of tasks including research, preparing spreadsheets, graphic design, outbound emails and follow-up, appointment scheduling, and website maintenance.

    "I love working with Wing and plan to have a long-term working relationship."

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  • 27
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 50 - 249 employees
    • Alexandria, VA

    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

    • DirecTV
    • Minted
    • Segment
    • Zadara

    Industries

    Notable Project

    Leadium spearheaded a telecommunications firm's outbound marketing efforts, including outbound messaging, outbound targeting, and appointment booking.

    "Not only did they deliver results, but they also shared strategies that we benefited from during the engagement."

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  • 28
    • $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 provided organic SEO, PPC management, and call center services to an HVAC company.

    "They were reliable and good communicators."

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  • 29
    • Scheduling

      4.8
    • Quality

      4.8
    • 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

    EBQ is a digital marketing agency's outsourced sales team. They collaborate with the client on the processes and use HubSpot to make cold calls for prospecting and also work on closing deals with end customers.

    "They've helped us mature our sales department a lot."

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  • 30
    • 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, 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 augmented a customer service team for a SaaS marketing company. They also managed and supported the client's troubleshoot queue.

    "They're not just a vendor—they're like an extension of our business, and they're great coworkers to have!"

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