Top 100 Outbound Call Centers Services
The Best of August 2026Looking for a top outbound call center services company?
Review our list to find the best outbound call centers for your company's needs. Searching for and vetting potential partners is an exhausting process.
That's why we've created this list of the best outbound call centers for you to review. Read through company descriptions, former clients, and notable projects to find the best fit for your business.
List of the Best Outbound Call Centers
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241$1,000+250 - 999 employeesJefferson City, MORead More
GroupOne Health Source is a full service medical billing and consulting firm based in Jefferson City, Mo. Since 1991, their current team of 108 has been specializing in non-voice BPO services, voice services, and transcription for clients in the medical field.
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Sunshine PediatricsIndustries
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242$1,000+250 - 999 employeesOcala, FLRead More
Ansafone is a voice services provider based in Ocala, Fla. with an additional office in Santa Ana, Calif. They were founded in 1970 and have a team of over 250 employees.
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243$5,000+10 - 49 employeesPhoenix, AZRead More
B2B is a Phoenix-based B2B service firm. They were founded in 2016 and their team has fewer than 10 employees. They provide clients voice services, event marketing, and direct marketing. They primarily work with enterprise and midmarket companies in the business services, IT, and financial services sectors.
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delivery.comIndustries
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244$5,000+10 - 49 employeesTallinn, EstoniaLialoom, a sales outsourcing company, is located in London, United Kingdom and Warszawa, Poland. The small team provides sales outsourcing, business consulting, public relations, marketing strategy, and more. The company was established in 2023.Read More
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245$1,000+10 - 49 employeesNew York, NYLaunched in 2024, Growleads is a small Demand Generation Marketing company. Their services include Demand Generation Marketing, Pay Per Click, Email Marketing, Marketing Strategy, and more. The firm is headquartered in New York, New York.Read More
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246$5,000+2 - 9 employeesLondon, EnglandEstablished in 2023, Spring Drive is a Sales Outsourcing company. The firm focuses on Sales Outsourcing and has a small team. The firm is in London, England.Read More
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247$1,000+50 - 249 employeesKarachi, PakistanAtDesk is a midsize Karachi, Pakistan-based telephone answering service. Established in 2020, the team offers Call Center Services, Customer Service Outsourcing, and Back Office Outsourcing.Read More
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Designer Sofas 4UIndustries
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248$1,000+50 - 249 employeesPune, IndiaAcquirex is an IT strategy consulting company. The midsize team is based in Pune, India. Their services include IT strategy consulting, Sales Outsourcing, Business Consulting, Back Office Outsourcing, and more.Read More
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Hardware CompanyIndustries
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249$1,000+2 - 9 employeesLos Angeles, CAEstablished in 2015, ThinkAlike Media is an email marketing company. Their small team is located in Los Angeles, California. Their services include email marketing, sales outsourcing, demand generation marketing, public relations, and more.Read More
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250$1,000+50 - 249 employeesSheridan, WYScalemill, a Sales Outsourcing company, is located in Sheridan, Wyoming; Berlin, Germany and Karachi, Pakistan. The midsize agency was established in 2015. Their services include Sales Outsourcing, Call Center Services, and Customer Service Outsourcing.Read More
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CoeusIndustries
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251$5,000+10 - 49 employeesLead Gen Dept. Is a Sales Outsourcing company. Their small team is based in London, England. Their services include Sales Outsourcing, Social Media Marketing, Email Marketing, and Call Center Services. The agency was launched in 2019.Read More
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WhosOnIndustries
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252$5,000+2 - 9 employeesScottsdale, AZRead More
Founded in 2022, Core Conversions is a small email marketing company. Their services include email marketing, other digital marketing, direct marketing, marketing strategy, and more. The company is in Scottsdale, Arizona.
Clients
eAccountable, Coast Digital, Giant Propeller, Scube Marketing, Fuel Made, JRB Media, LTM Digital, Marketing by Data, AskMom, MoreInfluenceIndustries
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253$250,000+1,000 - 9,999 employeesSanta Clarita, CARead More
Human resources firm Tri Source International, LLC was established in 2007. They are based in Santa Clarita, California and have a large team. Their services include HR services, non-voice bpo/back office services, branding, voice services, and more.
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254$1,000+1,000 - 9,999 employeesCebu City, PhilippinesStaff Outsourcing Solutions is a large IT staff augmentation company. Established in 2010, the company is in Cebu City, Philippines. Their services include IT staff augmentation, Business Consulting, Call Center Services, Back Office Outsourcing, and more.Read More
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255$10,000+250 - 999 employeesNorth Charleston, SCLaunched in 1998, Sales Focus Inc. Is a Sales Outsourcing company. Their midsize team is in North Charleston, South Carolina. Their services include Sales Outsourcing, Call Center Services, Account-Based Marketing, and Recruiting.Read More
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256$1,000+10 - 49 employeesKyiv, UkraineVDVOKH Digital Agency is a social media marketing agency. Launched in 2020, the small company is headquartered in Kyiv, Ukraine. Their services include social media marketing, pay per click, advertising, digital strategy, and more.Read More
Clients
Kärcher Hörmann Come Back Alive FoundationIndustries
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257Undisclosed10 - 49 employeesRead More
Conversational is a voice services company founded in 2003. Located in Fredericksburg, Virginia, the mid-sized team of experienced professional receptionists provides the best possible support for clients in the legal and medical industries, among others.
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258$1,000+10 - 49 employeesSeamless Virtual Assistant, a back office outsourcing company, is headquartered in Brampton, Canada and Tagum, Philippines. The company focuses on back office outsourcing, call center services, and customer service outsourcing and has a small team.The company was launched in 2023.Read More
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259Undisclosed1,000 - 9,999 employeesPortland, ORRead More
AnswerConnect is a contact center solutions firm based in Portland, Ore. Established in 2002, they have 38 employees, and offer a wide variety of voice-oriented customer service options. Their solutions include voice and non-voice BPO/back office services.
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UCLAIndustries
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260Undisclosed1,000 - 9,999 employeesFort Lauderdale, FLRead More
Non-voice bpo/back office services company OutPLEX was launched in 2001. Their small team is in Santo Domingo, Dominican Republic. OutPLEX specializes in non-voice bpo/back office services.
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261$1,000+10 - 49 employeesNorth Miami Beach, FLRead More
CloudTask is a phone answering service established in 2014. Headquartered in North Miami Beach, Florida and Medellín, Colombia, their midsize team specializes in voice services, non-voice bpo/back office services, finance & accounting outsourcing (FAO), transcription, and more.
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262$10,000+10 - 49 employeesDublin, IrelandRead More
Leadable is a digital advertising agency founded in 2019 in Dublin. With a team of 10+ members, they provide voice services as well as direct marketing and content marketing to small businesses in the IT and advertising industries.
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Havas PeopleIndustries
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263Undisclosed10 - 49 employeesDelray Beach, FLRead More
Answering service Global Call Forwarding was established in 1996. The agency specializes in voice services and has a small team.
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264$1,000+10 - 49 employeesVilnius, LithuaniaRead More
Growtech is a Vilnius, Lithuania-based sales outsourcing company. The small firm was launched in 2021. Their team focuses on sales outsourcing, email marketing, and business consulting.
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265$1,000+50 - 249 employeesPhiladelphia, PAMidsize Back Office Outsourcing company Top Virtual Assistant, is located in Brooklyn, New York; Philadelphia, Pennsylvania; Toronto, Canada and Berlin, Germany. They focus on Back Office Outsourcing, Content Writing Services, Call Center Services, Search Engine Optimization, and more and were founded in 2020.Read More
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Veridex Legal Solutions ShopEase Provida Family Medicine Cyvanta Security TripledIndustries
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266$5,000+50 - 249 employeesBucurești, RomaniaHKR.TEAM (Bespoke Global Teams), a Customer Service Outsourcing company, is located in București, Romania; New York, New York and Cluj-Napoca, Romania. The company offers Customer Service Outsourcing, Back Office Outsourcing, and Sales Outsourcing and has a midsize team.The company was established in 2016.Read More
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TeePublic.comIndustries
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267$5,000+10 - 49 employeesRead More
Darwinian Ventures is a growth advisory firm founded in San Francisco in 2017 with no more than 50 members. They provide CRM consulting, voice services, and business consulting solutions for small businesses in various fields, including business services and education.
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SiFiveIndustries
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268$1,000+50 - 249 employeesCape Town, South AfricaThe Agentsy BPO is a Cape Town, South Africa-based customer service outsourcing company. The midsize team offers customer service outsourcing, sales outsourcing, and finance & accounting outsourcing (FAO) and was launched in 2018.Read More
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269$1,000+250 - 999 employeesLagos, NigeriaRead More
DelonApps is an IT staff augmentation company. The small Lagos, Nigeria-based company was founded in 2018. Their services include IT staff augmentation, voice services, HR services, non-voice bpo/back office services, and more.
Clients
First Bank Access Bank Wema Bank Sterling BankIndustries
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270$1,000+2 - 9 employeesChicago, ILRead More
Treetop Growth Strategy is a content marketing company launched in 2016. Their small team is in Chicago, Illinois and , and focuses on content marketing, conversion optimization, search engine optimization, other digital marketing, and more.
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