Top 100 Business Processes Outsourcing (BPO) Companies in London

Need Help Selecting a Company?
Directory image
  1. Home
  2. BPO
  3. United Kingdom
  4. London

Top 100 Business Processes Outsourcing (BPO) Companies in London

December 2023

Looking for a top business process outsourcing company in London?

A BPO services firm provides expert services for particular business processes that many companies don't possess in-house. Finding the best one for your company, though, is challenging. 

Jump to Most Reviewed Companies

List of the Best London BPO Services

  • 1
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      5.0
    • NPS

      4.6
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    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.

    Clients

    • Just Park
    • American Express
    • Time Inc.
    • Quantcast

    Industries

    Notable Project

    Quantanite provides ongoing support for a recruitment platform. The team assists the finance and operations department, with tasks ranging from basic accounting to data entry.

    "Their analysts are like an extension of our full-time team."

    Visit Site
  • Get connected with a company for free

    Tell us about your project, and we'll match you with vetted companies that meet your requirements.

    Get Started
  • 2
    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom

    The Lead Gen Dept is a digital agency based in London that specializes in helping B2B companies generate and engage sales-ready leads with your ICP. Founded in 2019, The Lead Gen Dept has a specialized team helping clients to connect and book meetings with pre-approved target accounts. They have significant experience in the enterprise space and take care of all the top-of-funnel activities leading to a prospect requesting a call.

    Clients

    • WhosOn
    • ThinkAutomation
    • ArtuData
    • Grey Monarch

    Industries

    Notable Project

    Lead Gen Dept. provides lead generation services to a UX design agency. They define the client's target audience and set up and manage their outbound email marketing and telemarketing campaigns.

    "They guarantee that they will hit their target across a 3-month period."

    Visit Site
  • 3
    • $1,000+
    • 250 - 999 employees
    • Kingsbury Middlesex, United Kingdom

    Fusion Business Solutions Pvt Ltd is an outsourcing and offshoring company with over 300 employees founded in Udaipur, India. Founded in 2006, they work with mid-market and small businesses in the business services industry, among others, to provide non-voice BPO and back-office services. 

    Industries

    Notable Project

    Fusion Business Solutions (P) Limited provides back-office support to an insurance agency. Their work includes downloading transactions, renewing insurance policies, updating customer files, and filing claims.

    "They're highly motivated to create value for our business."

    Visit Site
  • 4
    • Undisclosed
    • 50 - 249 employees
    • London, United Kingdom

    Abacus Cambridge Partners is a tech consultancy and BPO company that was founded in 2017. The core London-based team of about 50 coordinates voice, ERP consulting and system integration, IT strategy consulting services for midmarket and enterprise-sized clients in the e-commerce space.

    Clients

    • Hafilat Industry LLC
    • Safaricom
    • Telenor

    Industries

    Notable Project

    Abacus Cambridge Partners performs API customization and integration for a telecommunications provider. The team uses Apigee as the main API gateway and product. 

    "They’re one of the best vendors I’ve ever worked with."

    Visit Site
  • 5
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 250 - 999 employees
    • London, United Kingdom
    Datapowerhub 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.

    Clients

    • IBM
    • HCL
    • cognizant

    Industries

    Notable Project

    Datapowerhub provided data entry services for a dental clinic. The team assists the client's in-house data entry team in recording all of their customers' information in the correct databases.

    "Their experience and expertise in data entry are very impressive."

    Visit Site
  • 6
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom

    Established in 2021, Growth Hub is an other marketing company. The agency offers other marketing and business consulting and has a small team.

    Industries

    Notable Project

    Growth Hub provided lead generation services for a technology company. The team was responsible for booking meetings with prospects within the client's ICP and building prospect data.

    "Growth Hub stood out with their approach to discovery; they understood our value proposition and customers."

    Visit Site
  • 7
    • Scheduling

      0.5
    • Quality

      0.5
    • Cost

      3.0
    • NPS

      0.5
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 250 - 999 employees
    • London, United Kingdom

    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.

    Industries

    Notable Project

    CALLCARE provided call answering services for a software company. They were hired to take out-of-hours calls from clients and either route the query to the client's engineers or email it for triage.

    "Most emails were ignored."

    Visit Site
  • 8
    • $1,000+
    • 10 - 49 employees
    • Fitzrovia, United Kingdom

    GLO - Generate Leads Online is a freelance digital marketing agency based in Ipswich, England. Founded in 2019, the company offers SEO, web design, and PPC services to small businesses. Their SEO services focus on on-site optimization, link earning, and local search.

    Clients

    • Fees Free Mortgages
    • Orwell Fitness
    • SMB Beauty
    • Bosch Auto Service

    Industries

    Notable Project

    GLO - Generate Leads Online provides SEO and digital marketing services for a bespoke garden room builder. The team works on keyword research and Google Ads management.

    "GLO - Generate Leads Online gets the job done; they’re definitely worth the money."

    Visit Site
  • 9
    • $5,000+
    • 50 - 249 employees
    • London, United Kingdom

    Sales outsourcing company SalesCaptain was launched in 2021. Their small team is located in London, United Kingdom. SalesCaptain provides sales outsourcing, direct marketing, CRM consulting and SI, call center services, and more.

    Clients

    • WorkReduce
    • The C2 Group
    • Location3
    • AdLib DSP

    Industries

    Notable Project

    SalesCaptain handled an SEO agency's lead generation efforts. They were tasked with managing the client's outbound sales solution to streamline their sales processes.

    "They had a proactive approach."

    Visit Site
  • 10
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    Founded in 2014, Deeper Insights is a London based machine learning and data science consultancy. With another office in Portugal, their team of 10 specialize in artificial intelligence, big data consulting, custom software development, and business consulting. Their mid market and enterprise clients are primarily in the advertising, consumer products, financial services, and health care industries. 

    Clients

    • Smith and Nephew
    • Deloitte
    • Breast Cancer Now
    • IAC

    Industries

    Notable Project

    Deeper Insights developed an AI-powered matching algorithm to pair statements of work with optimal contractors and freelancers. They also built a frontend chatbot to aid users in developing their scope of work.

    "On the personal side, I loved their team. They were on time or ahead of time. I can’t fault them for anything."

    Visit Site
  • 11
    • $5,000+
    • 250 - 999 employees
    • London, United Kingdom

    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

    • Audiocodes
    • Brompton
    • Motor Fuel Group
    • Hiddentec

    Industries

    Notable Project

    Flat Rock Technology managed a translation company's cloud infrastructure on Azure. They deployed a virtual desktop monthly, migrated physical to cloud-based machines, did maintenance, and reviewed performance.

    "They understood what we needed without a lot of communication and always delivered exactly what we had in mind."

    Visit Site
  • 12
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom

    AMD is a business consulting company. The small London, United Kingdom-based agency was established in 2019. Their services include business consulting, email marketing, advertising, voice services, and more.

    Clients

    • Mind Future Gaming
    • Fluuid
    • The PR Genius
    • Vendekin

    Industries

    Notable Project

    AMD Digital has launched marketing campaigns for a petroleum distribution and marketing company. They develop strategies to help improve the company's engagement with audiences and drive sales.

    "They are extremely data-driven, and most of their decisions are based on the numbers they have shown us."

    Visit Site
  • 13
    • $1,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    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.

    Industries

    Notable Project

    NICE inContact provides seasonal call center services for a media company. Their team oversees order processing and handles inbound calls. Their services save the client up to $1000 a month.

    "They are very responsive." — Marketing Director, Media Company

    Visit Site
  • 14
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.5
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom

    Pearl Lemon is a London based digital strategy agency that was founded in 2016. Their team of 13 employees specializes in SEO, email marketing, and social media marketing. 

    Clients

    • Asteria Diamonds
    • AJ Smart
    • Go International
    • Elevano

    Industries

    Notable Project

    A marketing and advertising company collaborated with Pearl Lemon for cold calling services. The team handled multiple outbound calls according to the agreed target number and ensured qualified booked calls.

    "Pearl Lemon was a one-stop shop for all our marketing needs, especially outbound efforts."

    Visit Site
  • 15
    • Scheduling

      4.5
    • Quality

      4.5
    • Cost

      4.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • Undisclosed
    • 10 - 49 employees
    • Harlow, United Kingdom
    Answering 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.

    Industries

    Notable Project

    A podiatry office hired Medical PA for call center services. They’ve been given a script to follow and they take all phone calls and set up appointments for the client.

    “Our patients love them and compliment how professional they are.”

    Visit Site
  • 16
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.6
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 10 - 49 employees
    • Kingston Upon Thames, United Kingdom

    incite is a growth marketing and lead generation agency in Kingston Upon Thames, United Kingdom. Founded in 2003, they have about 7 employees that serve mostly small businesses in the advertising, IT, and business sectors. Services include business consulting, content marketing, and digital strategy.

    Clients

    • CPA
    • HPE
    • Intel
    • Adobe

    Industries

    Notable Project

    incite provides lead generation and qualification, targeting large companies with difficult-to-reach decision-makers. Their digital and analog outreach and follow-up ensure a constantly full pipeline.

    "It's absolutely unrealistic to expect a small company to do everything we ask of them, but incite does it very well."

    Visit Site
  • 17
    • $1,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    Human resources firm Sourcefit Philippines was launched in 2006. The firm offers HR services, non-voice bpo/back office services, and voice services and has a midsize team. The firm is located in Quezon City, Metro Manila, Philippines.

    Visit Site
  • 18
    • $1,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    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.

    Industries

    Visit Site
  • 19
    • $1,000+
    • 250 - 999 employees
    • London, United Kingdom
    Located in London, United Kingdom, Online Giants is a midsize call center. They focus on voice services and were established in 2013.
    Visit Site
  • 20
    • Undisclosed
    • 10,000+ employees
    • London, United Kingdom

    Webhelp, a call center company, is located in Rīga, Latvia. The small firm was founded in 2000. Their team offers voice services and non-voice bpo/back office services.

    Industries

    Visit Site
  • 21
    • $5,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    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
    • Volkswagen
    • Domino's Pizza
    • Dow

    Industries

    Visit Site
  • 22
    • Scheduling

      5.0
    • Quality

      4.8
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 2 - 9 employees
    • London, United Kingdom
    Callpalooza is a sales outsourcing company based in London, United Kingdom. The small team provides sales outsourcing, social media marketing, and search engine optimization. The company was founded in 2020.

    Clients

    • All Services 4 U
    • Ingram Micro
    • ConvrtX
    • Zizo Technologies

    Notable Project

    A digital performance platform hired Callpalooza to handle their appointment setting and email marketing efforts. This involved researching and reaching out to potential clients through email.

    "They were very responsive, and they delivered work on time."

    Visit Site
  • 23
    • $1,000+
    • 1,000 - 9,999 employees
    • Buckinghamshire, United Kingdom
    8x8 is a telephone answering service. Headquartered in San Jose, California; San Jose, California; New York, New York and Buckinghamshire, United Kingdom, their large team offers voice services. The agency was founded in 1987.

    Industries

    Visit Site
  • 24
    • $100,000+
    • 1,000 - 9,999 employees
    • London , United Kingdom
    Firstsource Solutions is a large call center company headquartered in London , United Kingdom; Louisville, Kentucky; Mumbai, India and Muntinlupa City, Philippines. The team offers voice services, non-voice bpo/back office services, finance & accounting outsourcing (FAO), and business consulting.

    Industries

    Visit Site
  • 25
    • $1,000+
    • 1,000 - 9,999 employees
    • London , United Kingdom

    Integreon is a legal services company founded in 1998. Their headquarters is in New York, with multiple offices worldwide in Mumbai, India, Beijing, China, Johannesburg, South Africa, Makati, Philippines and London. Their team of over 1,000 employees offers non-voice BPO/back office services, voice services, and transcription. They primarily work with clients in the financial, business, and legal industries.

    Clients

    • Microsoft
    • Cognizant Technology Solutions

    Industries

    Notable Project

    Integreon helped a global financial services firm to comply with new regulatory requirements. They led the adoption and implementation of new data visualization tools. This reduced the time and resources spent on the client.

    Visit Site
  • 26
    • $5,000+
    • 250 - 999 employees
    • London, United Kingdom
    HabileData, a non-voice bpo/back office services company, was established in 1992. They are located in Ahmedabad, India and have a midsize team. HabileData focuses on non-voice bpo/back office services and graphic design.

    Clients

    • pfizer
    • Monash University
    • Siemens
    • DHL

    Industries

    Visit Site
  • 27
    • $250,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom
    Established in 1987, Abacus Global is a answering service. Based in Lahore, Pakistan; London, United Kingdom; New York, New York and Dubai, United Arab Emirates, their large team offers call center services, business consulting, sales outsourcing, IT staff augmentation, and more.

    Industries

    Visit Site
  • 28
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 2 - 9 employees
    • London, United Kingdom

    Scaled is a business consulting company. The small team is headquartered in London, United Kingdom. Their services include business consulting, corporate training, commercial financing, funding, & investment, and sales outsourcing.

    Industries

    Notable Project

    Scaled provides business consulting services to a digital marketing agency. They offer coaching, board advisory, M&A advisory, growth planning, financial planning, and mentorship at an executive level.

    "They have various frameworks, methodologies, and processes to help any business overcome growth challenges."

    Visit Site
  • 29
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom

    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.

    Industries

    Notable Project

    Legalytech was hired by a B2B lead generation agency to help them write up contracts. The team created various employee and master service agreements.

    "They delivered all contracts on time."

    Visit Site
  • 30
    • $1,000+
    • 50 - 249 employees
    • London, United Kingdom

    Commversion UK is a  live chat service firm that provides conversion optimization and back office services to their small business, mid-market, and enterprise clients in the real estate, hospitality and leisure, and automotive industries. Their London office is made up of 250 employees.

    Clients

    • JLL
    • Douglas & Gordon
    • Marsh & Parsons
    • Sotheby's International Realty

    Industries

    Notable Project

    Commversion UK operates a 24-hour live chat service that handles bookings and answers questions. 

    "Clients think we have a chat center dedicated only to us!"

    Visit Site

Get connected with the right company for you

We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.

Schedule Consultation