Company lists · Data refreshed November 2026

Top 25 Mentorship nonprofits worldwide

Name: Mentorship nonprofits worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 76,846 companies tracked

RevenueBase identified 76,846 company matches for mentorship nonprofits worldwide as of November 2026 and tracks 817,565 professional contacts across them, including 121,674 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for mentorship nonprofits worldwide, 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 November 6, 2026. Country and city lists for mentorship nonprofits follow the table.

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 Nov 6, 2026 How this list was built

76,846Companies

817,565Contacts tracked

121,674Verified emails

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The 25 largest mentorship nonprofits worldwide

Ranked by team size

Top 25 of 76,846 company matches for mentorship nonprofits worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Aiesec	Exact match	Montreal, QC, CanadaHQ recorded Nov 6, 2026	10001+	11,648 contacts →
	Exact match “AIESEC develops leadership among youth aged 18 to 30 and contributes to strengthening the global employability market by providing an end-to-end international talent recruitment…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	CIEE	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	1,001-5,000	10,485 contacts →
	Exact match “Somos uma organização brasileira sem fins lucrativos que conquistou destaque nacional em assistência social e processos de seleção, contratação, inclusão, gestão e desenvolvimento…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Self Enhancement, INC	Exact match	Portland, OR, United StatesHQ recorded Nov 6, 2026	n/a	5,696 contacts →
	Exact match “Self Enhancement, Inc.(SEI) was established in 1981, by Tony Hopson, Sr, a lifelong North Portland resident and community leader.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	SEO Sponsors For Educational Opportunity	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	n/a	3,581 contacts →
	Exact match “Founded in 1963 during the Civil Rights Movement, SEO closes educational and career opportunity gaps for ambitious young people annually.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Deca INC	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	n/a	3,133 contacts →
	Exact match “With over a 75-year history, DECA has impacted the lives of more than 10 million students, educators, school administrators and business professionals since it was founded in 1946.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Extern	Exact match	United StatesHQ recorded Nov 6, 2026	n/a	2,904 contacts →
	Exact match “At Extern, we’re solving the experience gap.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Magic BUS India Foundation	Exact match	Navi Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	2,716 contacts →
	Exact match “Founded in by Matthew Spacie, Magic Bus is building a world where young people break out of poverty to lead fulfilling, rewarding lives and contribute positively to their…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	SEO London	Exact match	London, United KingdomHQ recorded Nov 6, 2026	n/a	2,509 contacts →
	Exact match “Sponsors for Educational Opportunity, Ltd.(SEO London) is a UK-registered charity delivering superior educational, training, and mentoring support to young people from…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Piramal Foundation	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	2,448 contacts →
	Exact match “Piramal Foundation is committed to improving the lives of marginalized communities, by leveraging the power of youth and strengthening Government systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	180 Degrees Consulting	Exact match	Sydney, AustraliaHQ recorded Nov 6, 2026	10001+	2,407 contacts →
	Exact match “180 Degrees Consulting (180DC) is the world's largest youth led consultancy for non-profits, governments and social-conscious organisations, with over 200 branches in 38+…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Management Leadership For Tomorrow	Exact match	Bethesda, MD, United StatesHQ recorded Nov 6, 2026	n/a	2,345 contacts →
	Exact match “Management Leadership for Tomorrow (MLT) is a non-profit organization that is changing the face of leadership across sectors and driving breakthrough results for individuals and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Aspire Institute	Exact match	Cambridge, MA, United StatesHQ recorded Nov 6, 2026	n/a	2,317 contacts →
	Exact match “Aspire Institute, a non-profit organization, was founded at Harvard University in 2017.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	FIRST	Exact match	Manchester, NH, United StatesHQ recorded Nov 6, 2026	n/a	2,306 contacts →
	Exact match “FIRST was founded in 1989 to inspire young people's interest and participation in science and technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	The Sparks Foundation	Exact match	SingaporeHQ recorded Nov 6, 2026	n/a	2,286 contacts →
	Exact match “Our Vision Statement A world of enabled and connected little minds, building future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Enactus	Exact match	United StatesHQ recorded Nov 6, 2026	n/a	2,266 contacts →
	Exact match “We are an international non-profit organization that believes investing in students who take ENTrepreneurial ACTion for others creates a better world for US all.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Unis-Cite	Exact match	Paris, FranceHQ recorded Nov 6, 2026	501-1,000	2,261 contacts →
	Exact match “L’association Unis-Cité est née de ce rêve : qu’un jour tous les jeunes en France consacrent une étape de leur vie à la collectivité, et que cette expérience citoyenne soit un…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Amal Academy	Exact match	Lahore, PakistanHQ recorded Nov 6, 2026	n/a	2,037 contacts →
	Exact match “Amal Academy is a Stanford University-funded startup launched by a team of Acumen Fund and Stanford MBA/MA alums.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Vistage Worldwide, INC	Exact match	San Diego, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	1,956 contacts →
	Exact match “Vistage is the world’s largest executive coaching and peer advisory organization for small and midsize businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	BIG Brothers BIG Sisters Of America	Exact match	Tampa, FL, United StatesHQ recorded Nov 6, 2026	n/a	1,914 contacts →
	Exact match “Our mission is to create and support one-to-one mentoring relationships that ignite the power and promise of youth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Latinos In Action	Exact match	Sandy, UT, United StatesHQ recorded Nov 6, 2026	n/a	1,882 contacts →
	Exact match “Empowering Latino youth to lead and strengthen their communities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	The King's Trust	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,826 contacts →
	Exact match “For 50 years, The King’s Trust has been working for young people across the UK.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	E-Cell, IIT Bombay	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,797 contacts →
	Exact match “The Entrepreneurship Cell (E-Cell) is a non-profit organization run by students of IIT Bombay.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	ESPRO	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	501-1,000	1,662 contacts →
	Exact match “O Espro – Ensino Social Profissionalizante é uma organização sem fins lucrativos que atua na capacitação profissional para inclusão de jovens no mercado de trabalho.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Springboard	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	n/a	1,653 contacts →
	Exact match “The new economy needs a new approach to education.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Yetkin Gençler	Exact match	Istanbul, TürkiyeHQ recorded Nov 6, 2026	n/a	1,652 contacts →
	Exact match “Öğrenme kültürü yaratan topluluk Gençlerle yan yana, 21.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “mentorship nonprofits”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 76,846 mentorship nonprofits worldwide

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Mentorship nonprofits worldwide at a glance

As of Nov 6, 2026

14.9%Verified-email coverage

10.6Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

51,288

11-50

18,308

51-200

4,984

201-500

1,094

501-1,000

413

1,001-5,000

314

5,001-10,000

10001+

190

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for mentorship nonprofits are linked below.
What qualifies: Company records worldwide whose business descriptions match “mentorship nonprofits” 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. 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 121,674 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 November 6, 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.

Mentorship nonprofits by location

303 lists · largest first

Every Mentorship nonprofits list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “mentorship nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mentorship nonprofits are there worldwide?

RevenueBase identified 76,846 company matches for mentorship nonprofits worldwide as of November 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?

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

Which country has the most mentorship nonprofits?

The United States leads with 25,088 companies, followed by India (5,693) and the United Kingdom (3,341). Every mentorship nonprofits list by country and city is linked on this page.

Which city has the most mentorship nonprofits?

London leads with 1537 company records, followed by New York (1349) and Los Angeles (778).

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 121,674 professional contacts with verified work emails tracked across these 76,846 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 November 6, 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.