Top 100 Back Office BPO Services in the United Kingdom
The Best of November 2026Looking for a top non-voice BPO service provider in the United Kingdom?
Business process outsourcing (BPO) is growing globally, with a growth rate of about 4%. Back office BPO services make it easier for businesses to tackle core back office activities such as accounting or record maintenance while prioritizing core business processes and operations.
To assist you in your search for a partner, we’ve compiled this list of the top back office BPO 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 Back Office BPO Firms
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181$10,000+2 - 9 employeesWallington, EnglandLaunched in 2020, Amplio Technologies, a small Business Consulting company, is in Wallington, England. Their team specializes in Business Consulting and Digital Strategy.Read More
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182$1,000+50 - 249 employeesNorwich, EnglandOpenContact, a telephone answering service, was launched in 2000. The team offers Call Center Services and Back Office Outsourcing and is based in Norwich, England.Read More
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183$1,000+50 - 249 employeesWillesborough, EnglandOrbital Response is a Customer Service Outsourcing company. Their team is based in Willesborough, England and provides Customer Service Outsourcing and Back Office Outsourcing.Read More
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184Undisclosed50 - 249 employeesStockport, EnglandKtech is a call center. They specialize in Call Center Services and Sales Outsourcing and were founded in 2023.Read More
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185UndisclosedFreelancer employeesLawford, EnglandBSAH Consultancy Ltd is a Compliance Consulting company founded in 2025. The firm provides Compliance Consulting and Business Consulting.Read More
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186$25,000+50 - 249 employeesLondon, EnglandBuzz CX Global is a Sales Outsourcing company founded in 2023. The team focuses on Sales Outsourcing and Customer Service Outsourcing and is headquartered in London, England.Read More
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187$1,000+Freelancer employeesBelfast, Northern IrelandBusiness Aide is a Belfast, Northern Ireland-based Direct Marketing company. The team focuses on Direct Marketing and Public Relations.Read More
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188Undisclosed10 - 49 employeesSoham, EnglandIn Soham, England, Blue Donkey Ltd is a call center service. Their services include Call Center Services and Back Office Outsourcing.Read More
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189$1,000+2 - 9 employeesLondon, EnglandBack Office Outsourcing company The Business Outsourcing Company is based in London, England and Ripon, England. They provide Back Office Outsourcing and Call Center Services.Read More
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190$10,000+2 - 9 employeesLinton, EnglandBased in Linton, England, Win The Crowd is a Back Office Outsourcing company. Their services include Back Office Outsourcing and Branding.Read More
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191$1,000+10 - 49 employeesRugby, EnglandAccounts Bytes - Accounting Outsourcing is an Accounting company. They are located in Rugby, England and have small team of experts. Their services include Accounting and Back Office Outsourcing.Read More
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192Undisclosed10 - 49 employeesLondon, EnglandSmall Recruiting company Borderless Talent Hub, is based in London, England. The team offers Recruiting and HR Outsourcing.Read More
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193UndisclosedFreelancer employeesWhitburn, EnglandOutlaw Girl Services is a Whitburn, England-based social media marketing firm. Established in 2023, the team focuses on Social Media Marketing and Email Marketing.Read More
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194Undisclosed2 - 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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195Undisclosed2 - 9 employeesLondon, EnglandCirca Core Ltd is a small answering service company. Founded in 2025, the team focuses on Call Center Services and CRM consulting and SI.Read More
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196$5,000+2 - 9 employeesBolton, EnglandBack Office Outsourcing company PJ Web Solutions Ltd was launched in 2000. The firm specializes in Back Office Outsourcing and Web Development.Read More
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197UndisclosedFreelancer employeesNorthampton, EnglandNorthampton Portal is an Advertising company. Launched in 2008, the firm provides Advertising and Branding.Read More
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198Undisclosed50 - 249 employeesMiddlesbrough, EnglandCloud consulting & SI company String Services is headquartered in Boston, Massachusetts and Middlesbrough, England. The team focuses on cloud consulting & SI and Cybersecurity.Read More
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199$1,000+250 - 999 employeesSalford, EnglandCall center service AlldayPA focuses on Call Center Services and Customer Service Outsourcing. They are based in Salford, England.Read More
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200$1,000+2 - 9 employeesWells, EnglandPhone answering service TelePA was launched in 2004. Based in Wells, England, the team offers Call Center Services and Back Office Outsourcing.Read More
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201$10,000+2 - 9 employeesBanchory , ScotlandSilverdot is a small Digital Strategy company located in Banchory , Scotland. Their services include Digital Strategy and Graphic Design.Read More
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202$10,000+2 - 9 employeesLondon, EnglandAlchemis, a small Business Consulting company, is in London, England. Their services include Business Consulting and Back Office Outsourcing.Read More
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203$1,000+10 - 49 employeesBarnstaple, EnglandLocated in Barnstaple, England, PressPlayCalls is a small Customer Service Outsourcing company. The team provides Customer Service Outsourcing and Call Center Services.Read More
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204$1,000+10 - 49 employeesLondon, EnglandRSVP is a Customer Service Outsourcing company. Their small team is located in London, England. Their services include Customer Service Outsourcing and Back Office Outsourcing.Read More
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205$1,000+10 - 49 employeesGlasgow, ScotlandZinc Group LTD is a Back Office Outsourcing company. The Glasgow, Scotland-based company offers Back Office Outsourcing and Call Center Services.Read More
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206$10,000+10 - 49 employeesLondon, EnglandMediasterling is a Back Office Outsourcing company founded in 1999. Their team focuses on Back Office Outsourcing and Branding.Read More
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207Undisclosed10 - 49 employeesManchester, EnglandConsultantCare, a Back Office Outsourcing company, focuses on Back Office Outsourcing and Public Relations. The agency is headquartered in Manchester, England.Read More
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208Undisclosed50 - 249 employeesRoss on Wye, EnglandDawleys is a Ross on Wye, England-based answering service company. Their services include Call Center Services and Back Office Outsourcing.Read More
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209Undisclosed50 - 249 employeesStoke-on-Trent, EnglandAdvantis Credit Limited is a Customer Service Outsourcing company. Located in Stoke-on-Trent, England, the team specializes in Customer Service Outsourcing and Call Center Services.Read More
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210Undisclosed50 - 249 employeesLondon, EnglandContent Writing Services company Hudson Outsourcing is based in Durham, England and London, England. Founded in 2015, the team offers Content Writing Services and Back Office Outsourcing.Read More
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