Company lists · Data refreshed September 2026

Top 25 Volunteer abroad operators based in the United Kingdom

Name: Volunteer abroad operators based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 93 companies tracked

RevenueBase identified 93 volunteer abroad operators headquartered in the United Kingdom as of September 2026 and tracks 3,322 professional contacts across them, including 252 with verified work emails. London is the largest hub.

This list covers volunteer abroad operators 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 22, 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 22, 2026 86% judged on-target in blind review

93Companies

3,322Contacts tracked

252Verified emails

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The 25 largest volunteer abroad operators based in the United Kingdom

Ranked by team size

Top 25 of 93 volunteer abroad operators based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to volunteer abroad operators: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	GVI	Indirect evidence	Exeter, United KingdomHQ checked Sep 22, 2026	51-200	278 contacts →
	Indirect evidence “GVI is an award-winning social enterprise that runs high-impact conservation and community development programs in extraordinary locations across the world.” Source: RevenueBase Database · checked Sep 22, 2026
2	Smaller Earth	Indirect evidence	Liverpool, United KingdomHQ checked Sep 22, 2026	51-200	71 contacts →
	Indirect evidence “At Smaller Earth, we are the work and travel experts.” Source: RevenueBase Database · checked Sep 22, 2026
3	Trutravels	Partial evidence	Kingston Upon Thames, United KingdomHQ checked Sep 22, 2026	51-200	63 contacts →
	Partial evidence “TruTravels are a social adventure specialist and tour operator offering life-changing group travel experiences in Europe, Asia, Africa & Latin America designed specifically for…” Source: RevenueBase Database · checked Sep 22, 2026
4	Project Trust	Partial evidence	Isle Of Coll, United KingdomHQ checked Sep 22, 2026	11-50	42 contacts →
	Partial evidence “Through a long-term international volunteering experience, Project Trust empowers young people aged 17-25 to develop their confidence, resilience, awareness and leadership skills.” Source: RevenueBase Database · checked Sep 22, 2026
5	African Adventures	Partial evidence	Whiteley, United KingdomHQ checked Sep 22, 2026	11-50	33 contacts →
	Partial evidence “African Adventures is an award-winning volunteer travel company providing meaningful volunteer experiences, from people all around the UK, with our partner projects in Ghana…” Source: RevenueBase Database · checked Sep 22, 2026
6	Challenges Abroad	Partial evidence	Newbury, United KingdomHQ checked Sep 22, 2026	11-50	25 contacts →
	Partial evidence “Challenges Abroad provides structured overseas programmes for young adults which support the goals and objectives of the international development charity the FutureSense…” Source: RevenueBase Database · checked Sep 22, 2026
7	Discover The World Education	Indirect evidence	Dorking, United KingdomHQ checked Sep 22, 2026	11-50	22 contacts →
	Indirect evidence “We have over 35 years' experience organising worldwide educational and adventure travel, you can trust Discover the World to supply safe quality tours that are informative and…” Source: RevenueBase Database · checked Sep 22, 2026
8	GAP 360	Indirect evidence	Tunbridge Wells Kent, United KingdomHQ checked Sep 22, 2026	11-50	17 contacts →
	Indirect evidence “Gap 360 are the UK's leading youth adventure travel company, where unforgettable journeys await!” Source: RevenueBase Database · checked Sep 22, 2026
9	Gapforce	Partial evidence	London, United KingdomHQ checked Sep 22, 2026	1-10	15 contacts →
	Partial evidence “Gapforce is an experienced tour operator specialising in student and youth travel programmes to some of the world’s most incredible locations.” Source: RevenueBase Database · checked Sep 22, 2026
10	Global Nomadic	Indirect evidence	London, United KingdomHQ checked Sep 22, 2026	11-50	15 contacts →
	Indirect evidence “Founded in 2009, Global Nomadic has connected thousands of students, interns, career-changers, and retirees with transformative projects in over 40 countries.” Source: RevenueBase Database · checked Sep 22, 2026
11	Lattitude Global Volunteering	Partial evidence	Reading, United KingdomHQ checked Sep 22, 2026	11-50	13 contacts →
	Partial evidence “Lattitude Global Volunteering (formerly GAP Activity Projects) is an international youth development charity that has been providing volunteering opportunities worldwide for over…” Source: RevenueBase Database · checked Sep 22, 2026
12	European Study Tours	Indirect evidence	Blackpool, United KingdomHQ checked Sep 22, 2026	11-50	12 contacts →
	Indirect evidence “Discover the world beyond your classroom.” Source: RevenueBase Database · checked Sep 22, 2026
13	Mission Direct	Indirect evidence	Hitchin, United KingdomHQ checked Sep 22, 2026	1-10	12 contacts →
	Indirect evidence “Mission IS Possible - For over 20 years, we've worked alongside communities across Africa, Asia and the Caribbean, supporting grassroots education projects that create lasting…” Source: RevenueBase Database · checked Sep 22, 2026
14	Adventure Alternative	Partial evidence	Portstewart, United KingdomHQ checked Sep 22, 2026	11-50	12 contacts →
	Partial evidence “Adventure travel company and independent tour operator offering a wide range of trips from high altitude mountaineering expeditions, treks around the world, safaris in east…” Source: RevenueBase Database · checked Sep 22, 2026
15	The Mighty Roar	Partial evidence	Ashford, United KingdomHQ checked Sep 22, 2026	1-10	10 contacts →
	Partial evidence “The Mighty Roar provides affordable, structured and safe volunteer programmes overseas that allow individuals to help research, conserve and protect wild animals.Make a positive…” Source: RevenueBase Database · checked Sep 22, 2026
16	Futuresense Group	Partial evidence	Newbury, United KingdomHQ checked Sep 22, 2026	11-50	9 contacts →
	Partial evidence “FutureSense is an ethical business with a strong social motive, we are committed to promoting the development of local communities and individuals through ethically run volunteer…” Source: RevenueBase Database · checked Sep 22, 2026
17	Blue Stamp Travel	Partial evidence	Nottingham, United KingdomHQ checked Sep 22, 2026	11-50	8 contacts →
	Partial evidence “Specialising in work experience and language courses abroad, Blue Stamp Travel provide packages to suit your needs, meaning you can focus on enjoying your travel; absorbing the…” Source: RevenueBase Database · checked Sep 22, 2026
18	GAP Africa Projects	Indirect evidence	Alton, United KingdomHQ checked Sep 22, 2026	1-10	8 contacts →
	Indirect evidence “GAP AFRICA PROJECTS LIMITED is a leisure, travel & tourism company based out of 15B HIGH STREET, ALTON, HAMPSHIRE, United Kingdom.” Source: RevenueBase Database · checked Sep 22, 2026
19	Inter-Cultural Youth Exchange Icye UK	Partial evidence	London, United KingdomHQ checked Sep 22, 2026	1-10	8 contacts →
	Partial evidence “ICYE is a unique international volunteering charity.” Source: RevenueBase Database · checked Sep 22, 2026
20	Kaya Responsible Travel	Strong evidence	Manchester, United KingdomHQ checked Sep 22, 2026	1-10	8 contacts →
	Strong evidence “Kaya Responsible Travel is an ethical travel company with a focus on volunteering abroad.” Source: RevenueBase Database · checked Sep 22, 2026
21	The School Travel Company	Partial evidence	Stourbridge, United KingdomHQ checked Sep 22, 2026	11-50	7 contacts →
	Partial evidence “Acorn Travel Group Ltd.(formerly The School Travel Company Ltd.) is a specialist tour operator for school and youth group travel to the UK, Europe and beyond.” Source: RevenueBase Database · checked Sep 22, 2026
22	STC Expeditions Certified B Corp	Partial evidence	Exeter, United KingdomHQ checked Sep 22, 2026	1-10	6 contacts →
	Partial evidence “A niche tour operator.” Source: RevenueBase Database · checked Sep 22, 2026
23	Workingabroad	Partial evidence	Lewes, United KingdomHQ checked Sep 22, 2026	1-10	6 contacts →
	Partial evidence “WorkingAbroad Projects is a not-for-profit company, established in March 2002, in order to provide small scale organisations with support from volunteers.” Source: RevenueBase Database · checked Sep 22, 2026
24	The Great Projects	Indirect evidence	Ware, United KingdomHQ checked Sep 22, 2026	11-50	4 contacts →
	Indirect evidence “The Great Projects is a multi-award-winning provider of wildlife conservation projects worldwide.” Source: RevenueBase Database · checked Sep 22, 2026
25	Time For GOD	Partial evidence	Harrogate, United KingdomHQ checked Sep 22, 2026	1-10	3 contacts →
	Partial evidence “Time for God is an international volunteering charity with over 50 years experience of community and personal transformation.” Source: RevenueBase Database · checked Sep 22, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: volunteer abroad operators. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names volunteer abroad operators.
Partial evidence: Its own public description names part of volunteer abroad operators, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name volunteer abroad operators. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 93 volunteer abroad operators based in the United Kingdom

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Volunteer abroad operators based in the United Kingdom at a glance

As of Sep 22, 2026

7.6%Verified-email coverage

35.7Average contacts per company

1-10Median size (employees)

23.7%Largest-city concentration · London

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 93 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 volunteer abroad operators, 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 “volunteer abroad operators”. 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 volunteer abroad operators), 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 volunteer abroad operators, 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, 252 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 22, 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.

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 volunteer abroad operators, 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 volunteer abroad operators are there based in the United Kingdom?

RevenueBase identified 93 volunteer abroad operators 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?

GVI, headquartered in Exeter, tops this list with the largest team on record.

Which city has the most volunteer abroad operators?

London leads with 22 headquartered companies, followed by Nottingham (3) and Birmingham (2).

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 252 verified decision-maker contacts tracked across these 93 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 22, 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.