Top 100 Inbound Call Centers

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Top 100 Inbound Call Centers

December 2022

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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. 

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List of the Best Inbound Call Center Companies

  • 1
    • $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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  • 2
    • Scheduling

      4.8
    • 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

    Helpware provided staffing services, including project management and client-facing interaction.

    "The service that they provided—and the support behind it—was extraordinary."

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  • 3
    • $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

    Helping an in-house team handle user requests, Unity Communications provided IT and help desk services. They used a ticketing system to address most of the user experience issues. 

    “They're very knowledgeable and they were always available to address the requests from our users.”

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  • 4
    • $50,000+
    • 250 - 999 employees
    • Fort Lauderdale, FL

    APEX Call Centers is a call center services company headquartered in Fort Lauderdale, FL, Founded in 2017, their team of over 6 strategic locations in US, Mexico and Philippines specializes in Customer Service, Technical Support, Lead Generation, Help Desk and Order Processing.

     

    Industries

    Notable Project

    APEX Call Centers works as the customer service center of a media company. Their team has been in charge of transitioning from the previous provider, developing scripts, handling calls, and making appointments.

    “APEX Call Centers’ biggest strength is their ability to adapt to our needs and scale their workforce when needed.”

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  • 5
    • $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 oversees the call lead generation efforts of a public adjusting company. At the same time, the team also provides back-office services.

    "They make it super easy for me to just walk in and have a good rapport with a customer."

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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
    • Denver, CO

    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 provided lead generation services for a lifestyle brand. The team searched for small merchandising shops for motorcycling and extreme sports. They then helped create partnerships with these shops.

    "Belkins was creative in approaching our potential customers."

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  • 7
    • Scheduling

      5.0
    • Quality

      4.9
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $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.

    Clients

    • Headline
    • Woodruff Sawyer
    • Rapid7
    • Graham Company

    Industries

    Notable Project

    Prialto provides administrative support for a real estate company. Their work includes data entry services, responding to customer inquiries, and other administrative tasks.

    "Their team’s biggest strength is their ability to be ready for any situation."

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  • 8
    • $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 offered customer service outsourcing for a digital tech company. The client wants a multilingual platform that is cost-effective and near-shore.

    "About 20 highly experienced customer service agents communicated with us quite smoothly."

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  • 9
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 250 - 999 employees
    • Angeles, Philippines

    Connext Global Solutions is a non-voice bpo/back office services company. The midsize Honolulu, Hawaii-based agency was launched in 2014. Their team focuses on non-voice bpo/back office services, finance & accounting outsourcing (FAO), voice services, and business consulting.

    Industries

    Notable Project

    Connext was hired by a real estate development firm to provide payroll, back office administration, and more accounting services. The client is being billed every month for the project.

    "We've found the provided resources to be very high quality and wonderful to work with."

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  • 10
    • $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 provided call center services for leading HR services and business process provider. The team handled the outbound calls and outbound activity such as rating the qualification of job seekers.

    "They’re not complacent and are always looking for additional things to do."

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  • 11
    • $1,000+
    • 250 - 999 employees
    • Beograd, Serbia

    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 call center services for a B2C nutritional product company. The team works 20 hours daily for five days as support agents who communicate with customers and document information.

    “I like their extensive expertise in the field of customer support.”

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  • 12
    • 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 reception services for a family law firm. The team acts as the initial point of contact for prospective customers, takes their information, and schedules meetings.

    "Smith.ai is excellent at providing feedback and making corrections when necessary."

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  • 13
    • 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

    • Bosch
    • Zoho
    • Halo
    • MicroFocus

    Industries

    Notable Project

    Helping a European company extend their reach in the U.S. market, Martal Group oversees direct marketing campaigns, works with clients to close contracts, and attends trade fairs.

    “They understand our market and our product. We've been impressed with the pipeline they’ve developed … .”

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  • 14
    • $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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  • 15
    • 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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  • 16
    • 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 ongoing call center services for an automated sales and marketing software solution. They respond to inbound leads who are currently using a free trial version, encouraging more subscriptions.

    "They have great communication and are a very experienced team."

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  • 17
    • $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 provided an outsourced call center team to provide customer support for an apparel company. Their team was tasked with speaking to customers via chat, email, and phone

    "They have a consistent grasp and awareness of metrics at all times."

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  • 18
    • 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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  • 19
    • $1,000+
    • 50 - 249 employees
    • Sugar Land, TX

    IdeasUnlimited is a support services provider based in the Philippines. They were founded in 2010 and have 68 employees. They specialize in voice services, HR services, and non-voice BPO for clients in the e-commerce, financial services, and healthcare fields.

    Clients

    • TravelWifi
    • PatPat
    • SMM Global
    • Dallas Maids

    Industries

    Notable Project

    IdeasUnlimited has provided a variety of services to support staffing and overall growth for an e-commerce company. They supply artists, writers, and developers amongst others to expand the business.

    "We’re long-time clients and are delighted with their innovative approach."

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  • 20
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.6
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • 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

    Intelemark provided call center support for a healthcare company’s lead generation efforts. They provided reps to perform outreach and gear their efforts toward demographics. 

    "Their ability to understand the objectives and metrics of our program was most impressive."

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  • 21
    • $10,000+
    • 250 - 999 employees
    • Kuala Lumpur, Malaysia

    SRG ASIA PACIFIC is a midsize call center service. Located in Kuala Lumpur, Malaysia, the firm was launched in 1996. Their team offers voice services, market research, business consulting, HR services, and more.

    Clients

    • Telco
    • Media Broadcast
    • Insurance
    • Energy

    Industries

    Notable Project

    SRG ASIA PACIFIC has been the primary telemarketing partner by a telecommunications company since 1999, providing them with inbound and outbound calling, upsell and cross-sell, and recruitment services.

    "They have a sustainable performance YOY, and their strong effort enables them to reach our targets."

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  • 22
    • Scheduling

      4.6
    • Quality

      4.7
    • Cost

      4.8
    • NPS

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

    Enshored is an outsourcing firm headquartered in Long Beach, Calif. with an office in Pasig City, Philippines. They are run by a team of 840 professionals who provide non-voice BPO/back-office, voice, and social media marketing services to businesses ranging from startups to enterprises. Their voice/call center services focus on customer support/experience, order processing, and other outbound services.

    Clients

    • LevelUp
    • Rocksbox
    • Peloton
    • Paddle.com

    Industries

    Notable Project

    Enshored provides a SaaS company with customer support services, communicating with self-serve and enterprise customers via a chatbox. Their team is retrained by their leads whenever the software is updated.

    “I can’t recommend them enough — their team is patient with our customers.”

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  • 23
    • Scheduling

      4.5
    • Quality

      4.5
    • Cost

      4.5
    • NPS

      4.5
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 250 - 999 employees
    • London, United Kingdom

    Oworkers is a data entry outsourcing company based in London, with offices in Bulgaria, Madagascar, Cairo, and Hong Kong. The company, founded in 2012, has a staff of more than 200 that enables them to provide multi-lingual data entry and categorization, data annotation, and content moderation services to various companies. 

    Clients

    • BACK MARKET, Inc.
    • Appen
    • Xerox
    • University of Geneva

    Industries

    Notable Project

    OWORKERS provides BPO services for a regulatory technology company. They've helped the client set up a BPO team consisting of 15 people. Their task is to process various types of documents on a 24/7 basis.

    "We're satisfied with their current service so far."

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  • 24
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.7
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 250 - 999 employees
    • Kyiv, Ukraine

    Founded in 2017, Limitless Technology Consultants (LimTC) is a tech consultancy based in Kiev, Ukraine. Their team of 50 provide voice services and non-voice back office services for clients. 

    Clients

    • eKomi Ltd
    • OneLook
    • NectarDesk

    Industries

    Notable Project

    LimTC offers agents to help a SaaS company provide 24-hour customer support. The team is fluent in English and uses the client's CRM and other software. Their goal is to help users utilize the client's product.

    "The project has been very successful — LimTC truly feels like an extension of our company."

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  • 25
    • $1,000+
    • 1,000 - 9,999 employees
    • Princeton, NJ

    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 redeveloped a website for a house management consultancy. They developed a new domain that matched the firm's capabilities and aesthetics.

    "Flatworld Solutions is a very good company to work with."

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  • 26
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 10 - 49 employees
    • Manila, Philippines

    Aidey is a business process outsourcing company based in Tel Aviv, Israel and founded in 2017. Managed by more than 10 people, they offer IT managed services, IT consulting and SI, and voice services for small and medium-sized businesses alike.

    Clients

    • MyCheck
    • Loginn
    • Cyber-Duck

    Industries

    Notable Project

    Aidey provided customer service. This included email support and phone support. 

    "We were always able to communicate with the team."

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  • 27
    • Scheduling

      4.8
    • Quality

      4.7
    • Cost

      4.4
    • 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 provides social media marketing services for a market research firm. They are utilizing LinkedIn to reach out to users to complete an online survey.

    "With the results they provide, they know what they’re doing, so I won't suggest a change. Keep it up!"

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  • 28
    • Undisclosed
    • 50 - 249 employees
    • Torreón, Mexico

    Founded in 2014, Remote Team Solutions is an HR services company headquartered in La Laguna, Mexico, with a secondary location in Las Vegas. Their team of around 10 focuses on HR consulting and non-voice BPO/back office services.

    Clients

    • Now Prop Preservation LLC
    • ASI Inc.

    Industries

    Notable Project

    Remote Team Solutions developed an e-commerce website and app for a winery. Their team also assisted with the client’s brand identity, videos, marketing, and trademarking.

    “While we’ve been working with them for a short time, I’ve seen more results in 6 months than in the past 3 years.”

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  • 29
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      5.0
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 10,000+ employees
    • Wei Fang Shi, China

    Welsend Telecom Co., Ltd. Is a CRM consulting and SI company. Their large team is in Weifang, China; Chengdu, China; Mianyang, China and Rizhao, China. Their services include CRM consulting and SI, voice services, and non-voice bpo/back office services. The firm was founded in 1999.

    Industries

    Notable Project

    A government hotline team has collaborated with Welsend for call center services. The team provides 24-hour customer service support and is responsible for a particular hotline to professionally handle traffic. 

    "These are a team of lovely, tireless, brave, patient, and passionate agents!"

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  • 30
    • 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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