Top 100 Telemarketing Companies in the United Kingdom
The Best of December 2025Looking for a top telemarketing service in the United Kingdom?
With so many companies telemarketing in today’s world, it can be difficult for your company’s calls to stand out amongst the competition. Partnering with a telemarketing service can help your company reach the maximum amount of customers.
To assist you in your search for a partner, we’ve compiled this list of the top telemarketing companies in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom Telemarketing Services
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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
Clients
Trainual 15Five electrIQ marketing YChartsIndustries
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2$1,000+10 - 49 employeesHorsham , EnglandRead More
Small direct marketing company Virtual Sales Limited, is in Horsham , United Kingdom. They specialize in direct marketing and market research and were launched in 2001.
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3$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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4Undisclosed50 - 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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5$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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6$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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7$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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8$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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9$1,000+10 - 49 employeesCrewe, EnglandRevOps Finder is a Crewe, England-based Sales Outsourcing company. Launched in 2008, the small team provides Sales Outsourcing, Call Center Services, and Social Media Marketing.Read More
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10Undisclosed10 - 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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11$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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12$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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13$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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14$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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15$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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16Undisclosed10,000+ employeesLondon, EnglandWebhelp, a Customer Service Outsourcing company, was established in 2000. The large team provides Customer Service Outsourcing and Call Center Services.Read More
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17Undisclosed10 - 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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18$10,000+1,000 - 9,999 employeesBridgnorth, EnglandUnity4 is a call center. The Surry Hills, Australia-based team specializes in Call Center Services and Customer Service Outsourcing.Read More
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19Undisclosed50 - 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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20$10,000+1,000 - 9,999 employeesGlasgow , ScotlandLarge 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
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Canada's Best Managed CompaniesIndustries
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21Undisclosed10 - 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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22$10,000+250 - 999 employeesLondon, EnglandMarketOne International is an Email Marketing company founded in 1998. Their services include Email Marketing and Call Center Services.Read More
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23$1,000+10 - 49 employeesPortchester, EnglandAnswering service Ultracomms was founded in 2004. The firm provides Call Center Services, and is small.Read More
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24$1,000+50 - 249 employeesLondon , EnglandTelemarketingPower.com is an answering service company. Their midsize team is located in Surry Hills, Australia and Los Angeles, California. Their services include Call Center Services.Read More
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25$5,000+1,000 - 9,999 employeesLondon , EnglandIntegreon, a large Back Office Outsourcing company, is headquartered in New York, New York and Makati, Philippines. Their services include Back Office Outsourcing and Transcription.Read More
Clients
MicrosoftIndustries
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26Undisclosed2 - 9 employeesPenryn, EnglandSentics Customer Care Ltd, a call center, is based in Penryn, United Kingdom. The firm offers voice services and non-voice bpo/back office services and has a small team.The firm was founded in 2021.Read More
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27$1,000+50 - 249 employeesStockton-on-Tees , EnglandLemon Contact Centre, a telephone answering service, is located in Stockton-on-Tees , England. Their services include Call Center Services and Customer Service Outsourcing.Read More
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28$1,000+10 - 49 employeesNorwich, EnglandCompare Telemarketing Agency, a content moderation services company, was founded in 2024. The firm focuses on content moderation services, data annotation services, advertising, branding, and more and has a small team. The firm is in Norwich, England.Read More
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29$1,000+2 - 9 employeesAndover, EnglandAngel Call Handling is a small telephone answering service. Launched in 2017, the team offers Call Center Services and Customer Service Outsourcing.Read More
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30$5,000+50 - 249 employeesPort glasgow, ScotlandRMACC Group, an answering service, is headquartered in Port glasgow, Scotland. Established in 2019, the team offers Call Center Services and Sales Outsourcing.Read More
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