Company lists · Data refreshed September 2026

Top 25 Offshore sales outsourcing companies based in the United Kingdom

RevenueBase identified 420 company matches for offshore sales outsourcing companies associated with the United Kingdom as of September 2026 and tracks 4,454 professional contacts across them, including 801 with verified work emails. London is the largest hub.

This list covers company matches for offshore sales outsourcing companies associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
420Companies
4,454Contacts tracked
801Verified emails
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The 25 largest offshore sales outsourcing companies based in the United Kingdom

Ranked by team size
Top 25 of 420 company matches for offshore sales outsourcing companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchThame, United KingdomHQ recorded Sep 29, 202610001+777 contacts →

Exact match

“CPM is an international sales outsourcing and customer experience agency.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchLiverpool, United KingdomHQ recorded Sep 29, 202651-200164 contacts →

Exact match

“Inside is a global agency dedicated to delivering growth and revenue opportunities for B2B tech companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchMilton Keynes, United KingdomHQ recorded Sep 29, 202651-200146 contacts →

Exact match

“At The Dot HQ, we empower businesses with a full spectrum of offshore resource solutions, ensuring efficiency, compliance and growth.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchExeter, United KingdomHQ recorded Sep 29, 202651-200116 contacts →

Exact match

“Since 2016, Air Marketing has been the trusted outsourced sales and lead generation agency in the UK for ambitious B2B businesses.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Sep 29, 202651-200115 contacts →

Exact match

“More than SDR Outsourcing.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchDoxford International Business Park, United KingdomHQ recorded Sep 29, 20261,001-5,000114 contacts →

Exact match

“EC Outsourcing is one of the UK's leading outsourced contact centres.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 29, 2026201-500103 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-20090 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchTunbridge Wells, United KingdomHQ recorded Sep 29, 202651-20082 contacts →

Exact match

“Alliance Sales Support Services provides effective and sustainable sales solutions for your business.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchHitchin, United KingdomHQ recorded Sep 29, 202651-20065 contacts →

Exact match

“Excelerate360 offers business development and sales outsourcing services for B2B software and technology companies in the UK, Europe, and North America.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-20062 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchEssex, United KingdomHQ recorded Sep 29, 202651-20061 contacts →

Exact match

“Based in Europe, Everett Sky specializes in helping businesses scale their teams for growth through transformative solutions and exceptional customer service.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-20058 contacts →

Exact match

“We are on a mission to help accountants to grow their accountancy practice and become more profitable.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchHitchin, United KingdomHQ recorded Sep 29, 202651-20054 contacts →

Exact match

“European Sales Outsourcing, B2B Lead Generation, European Business Development.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-20053 contacts →

Exact match

“Most UK SMEs hit the same two walls.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-20048 contacts →

Exact match

“At Fly Pie, sales outsourcing isn’t a “done-for-you” service, it’s a growth engine we build with you.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchTavistock, United KingdomHQ recorded Sep 29, 202611-5044 contacts →

Exact match

“With over three decades of experience, we partner with B2B sales and marketing teams to drive and nurture new customer acquisition - securing conversations with the right…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchLeeds, United KingdomHQ recorded Sep 29, 202651-20043 contacts →

Exact match

“B2B and B2C outsourced Telemarketing agency.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5043 contacts →

Exact match

“Pipeline is a collective of sales professionals, united in our passion and drive for commercial success.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchLeeds, United KingdomHQ recorded Sep 29, 202651-20041 contacts →

Exact match

“The problem with B2B growth isn't a lack of activity.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 29, 2026201-50039 contacts →

Exact match

“At Stack Solutions Group, we help ambitious brands grow faster, smarter, and more efficiently - across any market.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchEwell, United KingdomHQ recorded Sep 29, 202651-20035 contacts →

Exact match

“1 Stop Data offers the best of breed Marketing, Lead Generation and Call Centre services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5035 contacts →

Exact match

“Auxilium Digital helps businesses with limited resources, higher operational costs achieve utmost customer satisfaction through providing customized offshore development teams…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchLeeds, United KingdomHQ recorded Sep 29, 202651-20032 contacts →

Exact match

“Telu is the complete business solution for generating leads and revenue for your business.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchBromsgrove, United KingdomHQ recorded Sep 29, 202611-5032 contacts →

Exact match

“Almost every business can save time and money with smart outsourcing from Go-To - how much depends on you.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 420 offshore sales outsourcing companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 801 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore sales outsourcing companies based in the United Kingdom at a glance

As of Sep 29, 2026
18.0%Verified-email coverage
10.6Average contacts per company
1-10Median size (employees)
32.9%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
239
11-50
125
51-200
44
201-500
6
501-1,000
2
1,001-5,000
1
10001+
2

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 420 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “offshore sales outsourcing companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 801 professional contacts with verified work emails across the full matched dataset. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Offshore sales outsourcing companies by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “offshore sales outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore sales outsourcing companies are there based in the United Kingdom?

RevenueBase identified 420 company matches for offshore sales outsourcing companies associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

CPM International tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most offshore sales outsourcing companies?

London leads with 138 company records, followed by Manchester (20) and Birmingham (10).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 801 professional contacts with verified work emails tracked across these 420 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 SmartSearch, 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.