Top 100 Back Office BPO Services in the United Kingdom
The Best of December 2025Looking 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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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+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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3$10,000+250 - 999 employeesدبي, United Arab EmiratesDatapowerhub is a midsize back office outsourcing company founded in 2010. Their services include back office outsourcing and transcription. The agency is headquartered in New York, New York; دبي, United Arab Emirates; San Francisco, California and London, United Kingdom.Read More
Clients
IBMIndustries
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4$25,000+250 - 999 employeesLondon, EnglandRead More
Flat Rock Technology is a development agency headquartered in London, with an office in Varna, Bulgaria. Since 2008, their team of 88 has been specializing in custom software development, mobile app development, UX/UI design, and more for mainly midmarket-size clients. They primarily serve clients in the IT, consumer products & services and media industries.
Clients
AudiocodesIndustries
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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
Clients
Wyze Shippo Duolingo ZocdocIndustries
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6$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.
Clients
Knight FrankIndustries
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7$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.
Clients
Krispy KremeIndustries
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8$1,000+250 - 999 employeesManchester, EnglandRead More
PREMIUMHELP is a small non-voice bpo/back office services company launched in 2010. Their services include non-voice bpo/back office services, social media marketing, and graphic design. The agency is located in New York, New York.
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9Undisclosed1,000 - 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.
Clients
PlusnetIndustries
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10$5,000+50 - 249 employeesLondon, EnglandVersich, a cloud consulting & SI company, is located in London, United Kingdom. The company provides cloud consulting & SI, IT staff augmentation, call center services, commercial financing, funding, & investment, and more and has a midsize team.The company was established in 2023.Read More
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11$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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12$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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13$10,000+1,000 - 9,999 employeesBourne End, EnglandRead More
Pomeroy is an IT infrastructure solutions company based in Hebron, KY, with offices in Bourne End, UK, Pittsburgh, PA, and New York. Since it was founded in 1982, the team has grown to over 3,00 employees. Pomeroy provides IT managed services, non-voice BPO/back office services, and cybersecurity capabilities.
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14$1,000+1,000 - 9,999 employeesSan Jose, CARead More
LiveHelpIndia is a back office outsourcing company founded in 2006. They are headquartered in San Jose, California and have a midsize team. Their services include back office outsourcing, customer service outsourcing, and sales outsourcing.
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15$1,000+10 - 49 employeesBanbury, EnglandRead More
Oneresource Virtual Assistants Ltd is a virtual assistant services company based in Banbury, U.K. The company, founded in 2009, has a core team of around ten that provides, among others, non-voice BPO/back office services, marketing strategy and bookkeeping services to small companies.
Clients
James's Place Wealth Management -
16$5,000+10 - 49 employeesLondon, EnglandRead More
Legalytech LLC, a corporate law company, is in Sheridan, Wyoming; London, United Kingdom and Port of Spain, Trinidad and Tobago. The small team offers corporate law, internet & technology law, intellectual property law, IT strategy consulting, and more and was launched in 2017.
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17$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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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$75,000+10 - 49 employeesBath, EnglandRead More
Atheva Services is an HR company based in Ahmedabad, India with more than 10 employees. Founded in 2020, they specialize in back-office services, HR services, and voice services for small and mid-market firms in the fields of health care and IT.
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20Undisclosed50 - 249 employeesBirmingham, EnglandVirtalent is a Back Office Outsourcing company. Their midsize team of employees is located in Birmingham, England. Their team provides Back Office Outsourcing and Customer Service Outsourcing.Read More
Clients
CountrywideIndustries
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21$50,000+250 - 999 employeesLondon, EnglandData Annotation Services company DataEntryIndia.in was established in 1999. The firm provides Data Annotation Services, Market Research, BI & big data consulting & SI, Back Office Outsourcing, and more and has a midsize team.Read More
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22$5,000+10,000+ employeesLondon Office, EnglandEClerx is a large custom software development firm founded in 2000. Their team offers Custom Software Development and Back Office Outsourcing.Read More
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23$1,000+2 - 9 employeesExeter, EnglandJoanne Manville Virtual Assistance is a Back Office Outsourcing company. They focus on Back Office Outsourcing and were launched in 2015.Read More
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24Undisclosed10 - 49 employeesLane End, EnglandData Alike is a Staffing company. Established in 2022, the small agency is headquartered in Lane End, England; Ho Chi Minh City, Vietnam and Taguig, Philippines. Their team provides Staffing, Recruiting, Back Office Outsourcing, Accounting, and more.Read More
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25$5,000+1,000 - 9,999 employeesLondon, EnglandRead More
Hi-Tech BPO is a BPO company founded in 1992. Based in Ahmedabad, India, they have additional offices in Santa Clara, Calif., New York and London. The team of 5 employees specializes in non-voice BPO/Back office services, market research and BI & Big data consulting & SI.
Clients
Siemens Pfizer Westfield TIBCOIndustries
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26$1,000+10 - 49 employeesGriffith, AustraliaAsk Datatech, a Back Office Outsourcing company, is in Surrey, Canada and Chicago, Illinois. Their services include Back Office Outsourcing and Market Research.Read More
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27$1,000+250 - 999 employeesLondon, EnglandRead More
Morae Global is a legal consulting and solution providing firm that has offices in Hong Kong, Switzerland, Banglore, India, London, Washington, DC, and New York City. Founded in 2005, Morae Global's team of 133 employees offers non-voice BPO/ back office services, and voice/call center solutions to their clients.
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28$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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29$1,000+10 - 49 employeesBirmingham, EnglandFounded in 2007, Time etc is a Back Office Outsourcing company. The team offers Back Office Outsourcing.Read More
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30$1,000+50 - 249 employeesHants, EnglandProcessFlows, a Back Office Outsourcing company, focus on Back Office Outsourcing and Custom Software Development. They were launched in 1987.Read More
Industries
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