Top 100 Telemarketing Companies
The Best of December 2025Looking for a top telemarketing firm?
Telemarketing services are essential to finding a market for your goods or services. It can also help you acquire information on customers through a well-integrated pipeline.
That's why we've created this list of the best telemarketing agencies for you to review. Read through company descriptions, former clients, and notable projects to find the best fit for your business.
Jump to Most Reviewed Companies
List of the Best Telemarketing Services
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331Undisclosed2 - 9 employeesAdvance Mca Leads is a telephone answering service. Established in 2020, the team provides Call Center Services and Sales Outsourcing.Read More
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332$1,000+10,000+ employeesBengaluru, IndiaFounded in 2002, Infosys BPO is a call center company. The large team specializes in Call Center Services and Back Office Outsourcing.Read More
Clients
CiscoIndustries
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333$1,000+10,000+ employeesShinjuku City, JapanTMJ, Inc. Is a Business Consulting company. Founded in 1992, their team specializes in Business Consulting and Call Center Services.Read More
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334$1,000+50 - 249 employeesKolkata, IndiaBack office outsourcing company RFS Business Solutions Pvt Ltd is located in Kolkata, India. The agency specializes in back office outsourcing, customer service outsourcing, and call center services and is midsize.The agency was founded in 2019.Read More
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335$5,000+10 - 49 employeesEnschede, NetherlandsDe Leadopvolgers, an answering service company and Sales Outsourcing company, was founded in 2021. The agency offers Call Center Services and Sales Outsourcing.Read More
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336Undisclosed1,000 - 9,999 employeesDhaka, BangladeshDigicon Technologies Ltd is a call center service launched in 2010. Their large team is based in Dhaka, Bangladesh. The firm offers Call Center Services, Corporate Training & Coaching, and IT staff augmentation.Read More
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337$5,000+50 - 249 employeesBucurești, RomaniaWorld Performance Group Srl is a call center company. They were established in 2012 and provide Call Center Services and Customer Service Outsourcing.Read More
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338$1,000+250 - 999 employeesBradenton, FLRead More
Perfect Data Entry is a business process outsourcing firm based in Bradenton, Fla. Established in 2015, they have 38 employees, and provide a variety of database management and back-office solutions. Their services consist of mostly non-voice BPO/back office services.
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339Undisclosed1,000 - 9,999 employeesNoida, IndiaInsight Customer Call Solutions ltd. Is a Customer Service Outsourcing company. They were launched in 2004 and focus on Customer Service Outsourcing and Call Center Services.Read More
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340Undisclosed50 - 249 employeesLowestoft , EnglandEstablished in 2016, Pocket Receptionist is a midsize Lowestoft , England-based call center. Their services include Call Center Services and Customer Service Outsourcing.Read More
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341$10,000+1,000 - 9,999 employeesNewmarket, CanadaLarge Customer Service Outsourcing company Bill Gosling Outsourcing, is in Newmarket, Canada and Glasgow , Scotland. The team offers Customer Service Outsourcing and Call Center Services.Read More
Clients
Canada's Best Managed CompaniesIndustries
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342Undisclosed250 - 999 employeesNoida, IndiaAcadecarft Inc is a Translation company launched in 2010. The team focuses on Translation and Call Center Services.Read More
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343$1,000+10 - 49 employeesMCA Leads Gateway is a phone answering service. Their team is based in New York, New York. The company focuses on Call Center Services and Sales Outsourcing.Read More
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344$5,000+250 - 999 employeesMünchen, GermanyFounded in 2016, yoummday is a phone answering service. The firm provides Call Center Services and Customer Service Outsourcing.Read More
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345$250,000+1,000 - 9,999 employeesWest Perth, AustraliaTSA Group, a Customer Service Outsourcing company, was launched in 1997. The firm provides Customer Service Outsourcing and Call Center Services.Read More
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346Undisclosed50 - 249 employeesDhaka, BangladeshTeleConsult Group (TCG), a software development company, specializes in Custom Software Development and Back Office Outsourcing. The agency is based in Dhaka, Bangladesh.Read More
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347Undisclosed250 - 999 employeesSacramento, CATeleDirect Call Centers, a call center service and Customer Service Outsourcing company, was launched in 1961. The midsize team provides Call Center Services and Customer Service Outsourcing.Read More
Industries
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348$1,000+1,000 - 9,999 employeesHo Chi Minh, VietnamTHIENTU CO.,LTD is a large Ho Chi Minh, Vietnam-based phone answering service. The team provides Call Center Services and Customer Service Outsourcing.Read More
Industries
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349$10,000+1,000 - 9,999 employeesBogotá, ColombiaCall center Outsourcing S.A.S BIC specializes in Call Center Services and Customer Service Outsourcing. They are based in Bogotá, Colombia and Bogotá, Colombia.Read More
Industries
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350$1,000+1,000 - 9,999 employeesNacogdoches, TXIn Nacogdoches, Texas and Lufkin, Texas, Etech is a phone answering service. Their services include Call Center Services and Customer Service Outsourcing.Read More
Industries
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351Undisclosed1,000 - 9,999 employeesDublin, IrelandFounded in 1989, Covalen is a call center service. The team offers Call Center Services and Back Office Outsourcing and is based in Dublin, Ireland and Budapest, Hungary.Read More
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352$1,000+250 - 999 employeesVaughan, CanadaFounded in 2000, Miratel is a Back Office Outsourcing company. Their team offers Back Office Outsourcing and Call Center Services.Read More
Industries
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353Undisclosed1,000 - 9,999 employeesPCCI GROUP is a call center in Tanzania. Founded in 2001, the team specializes in Call Center Services and Back Office Outsourcing.Read More
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354Undisclosed10 - 49 employeesIstanbul, TürkiyeEstablished in 2016, Nolto Teknoloji Anonim Sirketi is a call center company. The team specializes in Call Center Services.Read More
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355Undisclosed10 - 49 employees1st Carpet Cleaning London is a call center company. The London, England-based agency was founded in 2004. Their team provides Call Center Services and Sales Outsourcing.Read More
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356Undisclosed1,000 - 9,999 employeesMarkham, CanadaCallnovo is a call center company founded in 2004. Their team focuses on Call Center Services and Customer Service Outsourcing.Read More
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357Undisclosed1,000 - 9,999 employeesIloilo City, PhilippinesOBPO is a call center. The large Iloilo City, Philippines-based team specializes in Call Center Services and Back Office Outsourcing. The firm was founded in 2000.Read More
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358Undisclosed10 - 49 employeesHorsham, EnglandFounded in 2017, Hero PA is an answering service company. The team focuses on Call Center Services and Customer Service Outsourcing.Read More
Industries
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359$1,000+250 - 999 employeesDhaka, BangladeshZesh Solutions is a midsize telephone answering service based in Queens Village, New York and Dhaka, Bangladesh. The team offers Call Center Services and Customer Service Outsourcing.Read More
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360$10,000+250 - 999 employeesWaltham, MAMarketOne International is an Email Marketing company founded in 1998. Their services include Email Marketing and Call Center Services.Read More
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