Company lists · Data refreshed November 2026

Top 25 Stem mentoring nonprofits based in the United Kingdom

RevenueBase identified 150 company matches for stem mentoring nonprofits associated with the United Kingdom as of November 2026 and tracks 2,160 professional contacts across them, including 195 with verified work emails. London is the largest hub.

This list covers company matches for stem mentoring nonprofits 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 November 6, 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 Nov 6, 2026 How this list was built
150Companies
2,160Contacts tracked
195Verified emails
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The 25 largest stem mentoring nonprofits based in the United Kingdom

Ranked by team size
Top 25 of 150 company matches for stem mentoring nonprofits based in the United Kingdom, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLeamington Spa, United KingdomHQ recorded Nov 6, 202611-5099 contacts →

Exact match

“At The Smallpeice Trust, we help young people to see what’s possible.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 2026n/a97 contacts →

Exact match

“We're inspiring the next generation of females into Science, Technology, Engineering and Maths (STEM) fields by showing them the amazing women already in STEM via a series of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 2026n/a91 contacts →

Exact match

“Generating Genius has the vision of a thriving and diverse STEM (Science, Technology, Engineering and Mathematics) community in higher education and industry which is inclusive…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCambridge, United KingdomHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“We connect young people to a world of career possibilities, inspire them to dream big and empower them to fulfil their potential.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-1030 contacts →

Exact match

“Elevate is a pioneering, free mentoring programme that has been designed with a specific goal in mind – to inspire, inform and empower people within the event industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“BuildUp helps high school and undergraduate students build critical skills, gain real-world exposure, and identify meaningful career paths through mentored internships.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-1021 contacts →

Exact match

“The Catalyst Collective provides mentoring for the next generation of Black Women.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchGlasgow, United KingdomHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“SmartSTEMs is the glue between Tertiary Education, Industry and Schools.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchAberdeen, United KingdomHQ recorded Nov 6, 20261-1018 contacts →

Exact match

“TechFest is an Aberdeen-based charity with a mission to provide Science, Technology, Engineering and Mathematics (STEM) learning opportunities to children and people of all ages…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Carney's Community gets disadvantaged and excluded young people off the street and away from a life of crime and despair by giving them skills, discipline and self respect.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchEdinburgh, United KingdomHQ recorded Nov 6, 20261-1014 contacts →

Exact match

“Light Up Learning is a Scottish Charitable Incorporated Organisation providing one-to-one mentoring for high school students in Edinburgh and the Lothians.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLisburn, United KingdomHQ recorded Nov 6, 20261-1014 contacts →

Exact match

“Sentinus is a not for profit educational charity which works with schools and colleges throughout Northern Ireland to deliver programmes which promote engagement in Science…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchGlobal, United KingdomHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“We're Youth STEM 2030, a youth-led social enterprise on a mission to empower youth globally to use science, technology, engineering and maths (STEM), to tackle the world's biggest…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-1013 contacts →

Exact match

“Experts within mentoring and youth engagement, our mentors have worked in education and the youth sector for over 15 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchStevenage, United KingdomHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“STEMPOINT is an educational charity trusted by schools and community organisations for more than 40 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-109 contacts →

Exact match

“At The Elischer Foundation we provide mentoring and development opportunities for fundraising leaders with talent and a passion for our sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCambridge, United KingdomHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Camstart is a non-profit organisation based at the University of Cambridge.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLiverpool, United KingdomHQ recorded Nov 6, 20261-106 contacts →

Exact match

“All About Futures is here.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLoughborough, United KingdomHQ recorded Nov 6, 202651-2005 contacts →

Exact match

“We are Life Beacon.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Like 'Netflix' for Careers: Career advancement platform trusted by millennials 2.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-505 contacts →

Exact match

“OTC is a London-based charity attempting to bridge the gap between school and adult life.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Bridging the Future works with young people from disadvantaged backgrounds, mentoring and inspiring them towards their educational and career pursuits, improving social mobility…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNorwich, United KingdomHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Nelsonspirit is a leadership mentoring business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Genesis Impact is a charity dedicated to fostering social mobility within the local community.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-104 contacts →

Exact match

“On a mission to not only evoke change in the education system but to improve the aspirations and educational outcomes of disadvantaged young people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 150 stem mentoring nonprofits based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 195 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Stem mentoring nonprofits based in the United Kingdom at a glance

As of Nov 6, 2026
9.0%Verified-email coverage
14.4Average contacts per company
1-10Median size (employees)
44.0%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
107
11-50
35
51-200
8

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 150 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 “stem mentoring 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. 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 195 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.

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

How many stem mentoring nonprofits are there based in the United Kingdom?

RevenueBase identified 150 company matches for stem mentoring nonprofits associated with the United Kingdom 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?

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

Which city has the most stem mentoring nonprofits?

London leads with 66 company records, followed by Cambridge (5) and Liverpool (4).

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 195 professional contacts with verified work emails tracked across these 150 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.