Company lists · Data refreshed September 2026

Top 25 Arlington business process outsourcing companies based in the United Kingdom

RevenueBase identified 138 arlington business process outsourcing companies headquartered in the United Kingdom as of September 2026 and tracks 24,881 professional contacts across them, including 4,975 with verified work emails. London is the largest hub.

This list covers arlington business process outsourcing companies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
138Companies
24,881Contacts tracked
4,975Verified emails
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The 25 largest arlington business process outsourcing companies based in the United Kingdom

Ranked by team size
Top 25 of 138 arlington business process outsourcing companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to arlington business process outsourcing companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceLondon, United KingdomHQ checked Sep 27, 202610001+20,824 contacts →

Partial evidence

“Capita is an outsourcer, helping clients across the public and private sectors run complex business processes more efficiently, creating better consumer experiences.”

Source: RevenueBase Database · checked Sep 27, 2026
2Indirect evidenceAltrincham, United KingdomHQ checked Sep 27, 202610001+873 contacts →

Indirect evidence

“At Convergys Intelligent Contact, we build sustainable revenue streams for our clients.”

Source: RevenueBase Database · checked Sep 27, 2026
3Partial evidenceLondon, United KingdomHQ checked Sep 27, 202651-200569 contacts →

Partial evidence

“Vertex is a leader in BPO and Customer Management Outsourcing, serving over 200 clients worldwide across many sectors.”

Source: RevenueBase Database · checked Sep 27, 2026
4Strong evidenceLondon, United KingdomHQ checked Sep 27, 2026201-500103 contacts →

Strong evidence

“we redefine business process outsourcing, empowering companies to broaden their horizons.”

Source: RevenueBase Database · checked Sep 27, 2026
5Partial evidenceLondon, United KingdomHQ checked Sep 27, 202651-20090 contacts →

Partial evidence

“A world class offshore outsourcing agency, with offices in London and Harare, we have access to some of the best educated, best spoken graduates you will find anywhere in the…”

Source: RevenueBase Database · checked Sep 27, 2026
6Indirect evidenceGlasgow, United KingdomHQ checked Sep 27, 202651-20074 contacts →

Indirect evidence

“Streamline your business with our bespoke support services.”

Source: RevenueBase Database · checked Sep 27, 2026
7Strong evidenceLondon, United KingdomHQ checked Sep 27, 2026201-50070 contacts →

Strong evidence

“We are a 400 member strong, specialist business process outsourcing (BPO) provider that caters to the diverse and complex information processing needs of todays corporation.”

Source: RevenueBase Database · checked Sep 27, 2026
8Partial evidenceLondon, United KingdomHQ checked Sep 27, 202651-20062 contacts →

Partial evidence

“Support Adventure is an outsourcing company that specializes in customer service and support.”

Source: RevenueBase Database · checked Sep 27, 2026
9Partial evidenceLondon, United KingdomHQ checked Sep 27, 202651-20046 contacts →

Partial evidence

“Direct Response can provide outsourcing of voice, data and contact centre services for organisation from a global business to a one-man operation, delivering outstanding service…”

Source: RevenueBase Database · checked Sep 27, 2026
10Indirect evidenceLondon, United KingdomHQ checked Sep 27, 202611-5040 contacts →

Indirect evidence

“Kingdom Vision is a medium to take your business from good to great.”

Source: RevenueBase Database · checked Sep 27, 2026
11Indirect evidenceManchester, United KingdomHQ checked Sep 27, 2026201-50036 contacts →

Indirect evidence

“BPO & Technology Solutions | Contact Center Optimization | Scalable Operations As a leader at Sensible Group, I specialize in delivering high-performance BPO solutions tailored…”

Source: RevenueBase Database · checked Sep 27, 2026
12Strong evidenceUk, United KingdomHQ checked Sep 27, 202651-20035 contacts →

Strong evidence

“Taskaler is a business process outsourcing (BPO) provider specialising in customer services and back-office support for retail and eCommerce.”

Source: RevenueBase Database · checked Sep 27, 2026
13Indirect evidenceEastbourne, United KingdomHQ checked Sep 27, 202651-20031 contacts →

Indirect evidence

“Started operations in the UK in the year 1990 and incorporated as “KINDCARE LIMITED”.”

Source: RevenueBase Database · checked Sep 27, 2026
14Indirect evidenceLeeds, United KingdomHQ checked Sep 27, 202651-20026 contacts →

Indirect evidence

“SNT Group is a service led business, providing our clients with best of breed technologies and services.”

Source: RevenueBase Database · checked Sep 27, 2026
15Strong evidenceSutton Coldfield, United KingdomHQ checked Sep 27, 202611-5025 contacts →

Strong evidence

“At Freedom Outsourcing, we specialise in Business Process Outsourcing (BPO) to help businesses save money and grow faster with UK managed outsourcing solutions.”

Source: RevenueBase Database · checked Sep 27, 2026
16Indirect evidenceBorehamwood, United KingdomHQ checked Sep 27, 2026201-50025 contacts →

Indirect evidence

“Businesses today are under more pressure than ever before to reduce risk, drive efficiency and create consistency.”

Source: RevenueBase Database · checked Sep 27, 2026
17Partial evidencePreston, United KingdomHQ checked Sep 27, 202611-5022 contacts →

Partial evidence

“Top Resource Group is your one-stop ally for all business outsourcing needs.”

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceManchester, United KingdomHQ checked Sep 27, 2026201-50022 contacts →

Indirect evidence

“Aegis Global: Aegis is a Global BPO & Customer Experience Management services provider founded almost 30 years ago.”

Source: RevenueBase Database · checked Sep 27, 2026
19Partial evidenceEast Kilbride, United KingdomHQ checked Sep 27, 202651-20019 contacts →

Partial evidence

“AGO Outsourcing is a leading provider of outsourced business services, including inbound and outbound customer service and outbound sales as well as social media engagement…”

Source: RevenueBase Database · checked Sep 27, 2026
20Indirect evidenceLeeds, United KingdomHQ checked Sep 27, 20261-1017 contacts →

Indirect evidence

“We combine the perfect mix of industry-leading technology and personnel to support you in managing your workforce with greater efficiency than ever before.”

Source: RevenueBase Database · checked Sep 27, 2026
21Indirect evidenceHessle, United KingdomHQ checked Sep 27, 202611-5016 contacts →

Indirect evidence

“At VIP, we are committed to providing brilliant customer service, always putting our clients first.”

Source: RevenueBase Database · checked Sep 27, 2026
22Partial evidenceLondon, United KingdomHQ checked Sep 27, 2026n/a13 contacts →

Partial evidence

“Capita is the UK's leading FTSE100 outsourcing company.”

Source: RevenueBase Database · checked Sep 27, 2026
23Strong evidenceLondon, United KingdomHQ checked Sep 27, 202651-20010 contacts →

Strong evidence

“Indigo 21: Pioneering IT business process outsourcing since 2003.”

Source: RevenueBase Database · checked Sep 27, 2026
24Partial evidenceWorksop, United KingdomHQ checked Sep 27, 2026201-5008 contacts →

Partial evidence

“We are a global provider of customer experience and business processing solutions.”

Source: RevenueBase Database · checked Sep 27, 2026
25Partial evidenceLeeds, United KingdomHQ checked Sep 27, 20261-106 contacts →

Partial evidence

“At Archipelago BPO, we make outsourcing to the Philippines simple.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 138 arlington business process outsourcing companies based in the United Kingdom

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Arlington business process outsourcing companies based in the United Kingdom at a glance

As of Sep 27, 2026
20.0%Verified-email coverage
180.3Average contacts per company
11-50Median size (employees)
33.3%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
41
11-50
40
51-200
27
201-500
17
501-1,000
5
1,001-5,000
3
10001+
3

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 138 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among arlington business process outsourcing companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “arlington business process outsourcing companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names arlington business process outsourcing companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among arlington business process outsourcing companies, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 4,975 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Arlington business process outsourcing companies by metro

  • Arlington business process outsourcing companies in London46

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names arlington business process outsourcing companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many arlington business process outsourcing companies are there based in the United Kingdom?

RevenueBase identified 138 arlington business process outsourcing companies headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Capita, headquartered in London, tops this list with the largest team on record.

Which city has the most arlington business process outsourcing companies?

London leads with 46 headquartered companies, followed by Manchester (6) and Leeds (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 4,975 verified decision-maker contacts tracked across these 138 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.