Top 100 Inbound Call Centers in the United Kingdom
The Best of December 2025Looking for a top inbound call center in the United Kingdom?
Inbound call centers can make all the difference to your business.
To assist you in your search for a partner, we’ve compiled this list of the top inbound call centers in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom Inbound Call Center Companies
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1$1,000+1,000 - 9,999 employeesAuckland, New ZealandAppointment Setter Online is a large Sales Outsourcing company. Launched in 2010, the company is in London, England; Brooklyn, New York; Dubai, United Arab Emirates and Independence, Missouri. Their services include Sales Outsourcing, Call Center Services, Customer Service Outsourcing, and Back Office Outsourcing.Read More
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Trainual 15Five electrIQ marketing YChartsIndustries
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2$1,000+50 - 249 employeesEd, SwedenA-SALES AB, a midsize Sales Outsourcing company, is in Ed, Sweden; Göteborg, Sweden; Sheridan, Wyoming and London, England. They provide Sales Outsourcing, Email Marketing, and Call Center Services and were launched in 2023.Read More
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Svea SolarIndustries
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3$1,000+50 - 249 employeesLondon, EnglandSalesAR is a midsize Sales Outsourcing company. Headquartered in Dover, Delaware; London, England and Kyiv, Ukraine, the firm was launched in 2019. Their services include Sales Outsourcing, Call Center Services, Content Marketing, and Email Marketing.Read More
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AkridataIndustries
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4$1,000+10 - 49 employeesThatcham , EnglandRead More
Verbatim Virtual Receptionists is a call answering service company that was founded in 1997. Based in Thatcham, U.K., the team of about 10 employees does voice services and non-voice BPO and back-office services, including virtual receptionist, inbound appointment scheduling, B2B lead generation and qualification, and online customer support.
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Knight FrankIndustries
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5$1,000+250 - 999 employeesBrooklyn, NYEstablished in 2010, Top Customer Service is a Customer Service Outsourcing company. Headquartered in Brooklyn, New York; Dubai, United Arab Emirates; Independence, Missouri and Southbank, Australia, their midsize team focuses on Customer Service Outsourcing, Back Office Outsourcing, Call Center Services, and Sales Outsourcing.Read More
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Wyze Shippo Duolingo ZocdocIndustries
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6Undisclosed1,000 - 9,999 employeesEdinburgh, ScotlandRead More
AnswerForce is an answering services provider from Tualatin, Ore. It was founded in 1998 and currently has a team of 11 employees. AnswerForce specializes in voice services, but also provides non-voice BPO/back office services to clients from a variety of industries.
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GPS TechnologiesIndustries
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7$1,000+1,000 - 9,999 employeesNew Delhi, IndiaSunTec India, a software development company, was launched in 1999. Their large team is in New Delhi, India; Laguna Beach, California and London, England. Their services include Custom Software Development, Digital Engineering, Social Media Marketing, Search Engine Optimization, and more.Read More
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NielsenIndustries
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8$1,000+1,000 - 9,999 employeesLondon, EnglandRead More
Quantanite is a professional services company based in London and has offices in Johannesburg and Dhaka, Bangladesh. The company, founded in 2014, has more than 1,000 employees and provides non-voice BPO/back office services, voice services, transcription, AI, and email marketing services. Quantanite serves small and larger-sized companies in various industries that include automotive, business services, and consumer products & services.
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Just ParkIndustries
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9Undisclosed50 - 249 employeesLondon, EnglandAbacus Cambridge Partners, an ERP consulting and SI company, is based in London, England; Dubai, United Arab Emirates; Riyadh, Saudi Arabia and New York, New York. They focus on ERP consulting and SI, BI & big data consulting & SI, Custom Software Development, Call Center Services, and more and were founded in 2017.Read More
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Hafilat Industry LLCIndustries
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10$1,000+10 - 49 employeesCountesthorpe, EnglandLocated in Countesthorpe, England, Paragon Sales Solutions is a social media marketing firm. The small team provides Social Media Marketing, Call Center Services, Sales Outsourcing, Other Marketing, and more and was established in 2018.Read More
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App SapiensIndustries
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11Undisclosed1,000 - 9,999 employeesEdinburgh, ScotlandRead 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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12Undisclosed1,000 - 9,999 employeesBirkenhead , EnglandRead More
The Contact Company is an outsourcing firm based in Birkenhead, U.K. Founded in 2006, it has more than 250 employees who specialize in non-voice BPO/back office services and voice services. The team primarily partners with enterprise and midmarket clients in the business services, financial services, retail, telecommunications, and e-commerce sectors.
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PlusnetIndustries
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13$1,000+50 - 249 employeesLondon, EnglandTask Virtual is a SEO company. The midsize Kolkata, India-based firm was founded in 2016. Their services include Search Engine Optimization, Back Office Outsourcing, Social Media Marketing, Content Marketing, and more.Read More
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14$1,000+250 - 999 employeesEdinburgh , ScotlandRead More
SmartPA is the leading UK virtual assistant company, based in Edinburgh. Founded in 2008, they have over 300 employees that serve businesses of all sizes. Let SmartPA’s virtual assistants handle your and PA tasks remotely for a flexible monthly package.
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Krispy KremeIndustries
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15$1,000+250 - 999 employeesLondon, EnglandRead More
CALLCARE is a midsize call center service launched in 1998. Their services include voice services and non-voice bpo/back office services. The company is based in London, United Kingdom.
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16$250,000+250 - 999 employeesLeeds, EnglandRead More
Arise is a business process outsourcing company headquartered in Miramar, Florida, with offices in Atlanta, Orlando, and Canada. Established in 1994, they have a team of about 2,000 that provides both voice and non-voice BPO/back office services.
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17Undisclosed10 - 49 employeesBurscough, EnglandRead More
Established in 2011, Face for Business is a customer service outsourcing company. The small team provides customer service outsourcing. The company is in Burscough, United Kingdom.
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18Undisclosed10 - 49 employeesHarlow, EnglandAnswering service Medical PA was launched in 2005. The small team offers call center services, customer service outsourcing, and back office outsourcing. The company is in Harlow, United Kingdom.Read More
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19$1,000+1,000 - 9,999 employeesSandy, UTRead More
NICE inContact is a call center software and voice services provider based in Sandy, Utah, that was established in1997. Their team of more than 1200 employees offers voice call services, inbound lead resolution, customer support, and a customer interaction cloud software.
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20$1,000+10 - 49 employeesCrewe, EnglandReveGro, a sales outsourcing company, was founded in 2020. In Arrecife, Spain and Crewe, United Kingdom, their small team provides sales outsourcing, call center services, social media marketing, business consulting, and more.Read More
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21$1,000+2 - 9 employeesRoyal Wootton Bassett, EnglandCall center Double Tap Marketing Ltd is located in Royal Wootton Bassett, United Kingdom. Launched in 2017, the small team focuses on call center services, email marketing, and sales outsourcing.Read More
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22Undisclosed50 - 249 employeesBirmingham, EnglandLuminaVest LTD is a midsize Direct Marketing company headquartered in Birmingham, England; Miami, Florida and Miami, Florida. They provide Direct Marketing, Custom Software Development, Artificial Intelligence, Application Testing, and more and were established in 2019.Read More
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23Undisclosed10 - 49 employeesChester, EnglandCall center company Daktela UK is located in Chester, England and Winnersh, England. Founded in 2005, the team specializes in Call Center Services.Read More
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24$10,000+50 - 249 employeesBrighton, EnglandAnswering service company The Telemarketing Company is based in Brighton, England. The team focuses on Call Center Services and Sales Outsourcing.Read More
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25$1,000+10 - 49 employeesNorth Walsham, EnglandOrigin Client Acquisition LTD is a call center company based in North Walsham, England. The team specializes in Call Center Services and Sales Outsourcing.Read More
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26$1,000+50 - 249 employeesNottingham , EnglandAnswer4u is a call center service. The company is based in Nottingham , England. Their services include Call Center Services and Customer Service Outsourcing.Read More
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27$1,000+250 - 999 employeesLondon, EnglandOnline Giants is a call center founded in 2013. The company offers Call Center Services and Customer Service Outsourcing.Read More
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28$250,000+1,000 - 9,999 employeesLondon, EnglandAbacus Outsourcing is a call center company. Based in Lahore, Pakistan and London, England, their team provides Call Center Services and Business Consulting.Read More
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29Undisclosed10 - 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
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30$1,000+10 - 49 employeesLondon, England3C Online, a Customer Service Outsourcing company, was launched in 2015. The team specializes in Customer Service Outsourcing and Sales Outsourcing.Read More
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OxehealthIndustries
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