Top 100 Call Center Services
The Best of October 2026
Outsourced call center services refer to handling incoming and outgoing calls on behalf of businesses to support functions such as customer service, lead generation, and appointment setting. Call center services are crucial to ensuring customers have a positive experience with their business before, during, and after purchasing. Investing in quality call center solutions is important for timely responses to key stakeholders, gathering feedback, and understanding customer preferences.
Call centers are a type of BPO that focuses on training and hiring dedicated agents who can handle customer inquiries, resolve customer issues and complaints, and provide technical support. They contribute to businesses' productivity and long-term success, allowing them to focus on core functions while managing customers professionally and efficiently.
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List of the Best Voice Services Providers on the Market
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$1,000+250 - 999 employeesOrlando, FLXACT, an answering service company, was founded in 1996. Their midsize team is in Orlando, Florida and Unity, Maine. The agency specializes in Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and Staffing.Read More
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$1,000+1,000 - 9,999 employeesChicago, ILEstablished in 2017, Hugo Inc. Is a Customer Service Outsourcing company. The agency specializes in Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, Content Moderation Services, and more and has a large team. The agency is in Chicago, Illinois and Lagos, Nigeria.Read More
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2551Undisclosed50 - 249 employeesOfficepros is a telephone answering service located in Los Angeles, California. Their services include Call Center Services and Back Office Outsourcing.Read More
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2552$100,000+50 - 249 employeesRoma, ItalyAttitude Group is a branding company. In Roma, Italy, the company was launched in 2007. Their services include Branding and Digital Strategy.Read More
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2553$5,000+50 - 249 employeesPune, IndiaEstablished in 2025, Capernaum Solutions Pvt. Ltd is a social media marketing firm. The team specializes in Social Media Marketing and Search Engine Optimization and is based in Pune, India.Read More
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2554$1,000+50 - 249 employeesZhytomyr, UkraineLets call is a Conversion Optimization company. They were launched in 2020, and their services include Conversion Optimization and Call Center Services.Read More
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2555$5,000+50 - 249 employeesIslamabad, PakistanLead Incorporation, a midsize call center service, is located in Islamabad, Pakistan. The team provides Call Center Services and Back Office Outsourcing.Read More
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2556Undisclosed50 - 249 employeesBisani Brothers Pvt Ltd is a phone answering service. The Lucknow, India-based company was founded in 2016. Their services include Call Center Services and Corporate Training & Coaching.Read More
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2557Undisclosed50 - 249 employeesLaunched in 2015, Blue Matrix Connect is a midsize answering service company in Bengaluru, India. Their team offers Call Center Services and Back Office Outsourcing.Read More
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2558Undisclosed50 - 249 employeesAltiam CX is a Davie, Florida-based answering service company. Their services include Call Center Services and Back Office Outsourcing.Read More
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2559$1,000+50 - 249 employeesNewark, DE99 Crews is a Sales Outsourcing company. Established in 2021, the company is based in Newark, Delaware. Their services include Sales Outsourcing and Demand Generation Marketing.Read More
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2560$5,000+50 - 249 employeesBack Office Outsourcing company MADAGASCAR CALL CENTER is in Antananarivo, Madagascar. They provide Back Office Outsourcing and Customer Service Outsourcing.Read More
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2561$10,000+250 - 999 employeesSantiago de los Caballeros, Dominican RepublicTN Outsourcing is a midsize Employer of Record (EOR) Services company launched in 2002. Their team focuses on Employer of Record (EOR) Services and Call Center Services.Read More
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2562Undisclosed10 - 49 employeesHiston, EnglandBioStrata is a public relations agency. Located in Histon, England and Boston, Massachusetts, the agency was founded in 2014. Their services include Public Relations and Content Marketing.Read More
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2563$1,000+50 - 249 employeesMandaluyong, PhilippinesAxiem Corp., a Finance & Accounting Outsourcing (FAO) company, was established in 2013. They offers Finance & Accounting Outsourcing (FAO) and Sales Outsourcing.Read More
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2564$1,000+10 - 49 employeesAlpha Global Team is a Back Office Outsourcing company established in 2018. The team specializes in Back Office Outsourcing and Call Center Services and is in Surrey, Canada and Seattle, Washington.Read More
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2565$1,000+250 - 999 employeesPasig, PhilippinesOneTRUgroup (1TRU Group) is an Employer of Record (EOR) Services company. Founded in 2020, the team specializes in Employer of Record (EOR) Services, Call Center Services, Back Office Outsourcing, HR Outsourcing, and more. Their midsize firm is in Pasig, Philippines and Biñan, Philippines.Read More
Clients
Confidia Ltd Geely Aldi JaicomIndustries
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2566$1,000+10 - 49 employeesLaunched in 2019, Resolvio is a small Customer Service Outsourcing company. Their team offers Customer Service Outsourcing and Call Center Services.Read More
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2567$25,000+50 - 249 employeesCallerDesk is a Business Continuity Management company. The agency is headquartered in Noida, India. Their team focuses on Business Continuity Management and IT strategy consulting.Read More
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2568$10,000+2 - 9 employeesFort Worth, TXPanther City Marketing, a SEO company, was launched in 2018. The team specializes in Search Engine Optimization and Web Design.Read More
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2569$1,000+50 - 249 employeesGorakhpur, IndiaRead More
Zrima Edutech Pvt Ltd is a technology-based business solutions company based in Gorakhpur, India, with an office in Kushinagar, India. The company, founded in 2018, has more than 250 employees and provides, among others, social media marketing, voice, and non-voice BPO/back office services to small and midmarket companies and institutions in the financial services, manufacturing, health care & medical, real estate, and retail industries.
Clients
Ziva IndustriesIndustries
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2570$25,000+10 - 49 employeesLondon, EnglandAnswering service FX Digital was launched in 2011. The firm focuses on Call Center Services and Web Design, and is small.Read More
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2571$1,000+2 - 9 employeesFimago D.O.O is a small Sales Outsourcing company. They specialize in Sales Outsourcing and Market Research and were established in 1996.Read More
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2572Undisclosed250 - 999 employeesAmman, JordanNon-voice bpo/back office services and phone answering service CsMena is based in Amman, Jordan. The midsize company was launched in 2018. Their services include non-voice bpo/back office services and voice services.Read More
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2573$1,000+250 - 999 employeesLas Vegas, NVFounded in 2015, InTouch Medical Marketing is an Advertising company. The midsize team offers Advertising and Call Center Services.Read More
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2574$5,000+250 - 999 employeesBhubaneswar, IndiaBack Office Outsourcing company Computer Lab Pvt Ltd is based in Bhubaneswar, India and Cuttack, India. Their services include Back Office Outsourcing and Sales Outsourcing.Read More
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2575$250,000+250 - 999 employeesMidsize Other Marketing company Qatar Waste Collection Company, is headquartered in Doha, Qatar. Their services include Other Marketing and Warehousing & Distribution.Read More
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2576Undisclosed250 - 999 employeesMakati, PhilippinesIn Makati, Philippines and Batangas, Philippines, LGK Solutions Philippines is a midsize answering service. The team specializes in Call Center Services and Back Office Outsourcing.Read More
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2577$5,000+250 - 999 employeesLaunched in 2016, XMC BPO is a midsize Customer Service Outsourcing company. Their team offers Customer Service Outsourcing and Back Office Outsourcing.Read More
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2578Undisclosed250 - 999 employeesFounded in 2014, HG Communications is a midsize Employer of Record (EOR) Services company. Their team provides Employer of Record (EOR) Services and Sales Outsourcing.Read More
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2579$1,000+50 - 249 employeesGaithersburg, MDTransparent BPO is a Gaithersburg, Maryland-based Customer Service Outsourcing company. Founded in 2009, the team provides Customer Service Outsourcing and Back Office Outsourcing.Read More
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2580$5,000+10 - 49 employeesBaghdad, IraqCall Me - خابرني is an answering service. The Baghdad, Iraq-based firm specializes in Call Center Services and Customer Service Outsourcing.Read More
Industries
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