Company lists · Data refreshed November 2026

Top 25 Startup mentorship networks based in the United Kingdom

RevenueBase identified 393 company matches for startup mentorship networks associated with the United Kingdom as of November 2026 and tracks 4,170 professional contacts across them, including 358 with verified work emails. London is the largest hub.

This list covers company matches for startup mentorship networks 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
393Companies
4,170Contacts tracked
358Verified emails
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The 25 largest startup mentorship networks based in the United Kingdom

Ranked by team size
Top 25 of 393 company matches for startup mentorship networks 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 matchEdinburgh, United KingdomHQ recorded Nov 6, 202651-20096 contacts →

Exact match

“CodeBase is the growth platform for tech ecosystems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 2026n/a91 contacts →

Exact match

“E2E’s vision is to enable extraordinary entrepreneurship.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5058 contacts →

Exact match

“The Family nurtures Entrepreneurs through Education, Unfair Advantages & Capital.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“EquityMatch is the global all-in-one ecosystem for startups, investors, mentors, and service providers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“London Venture Capital Network (LVCN) connects founders, venture investors, operators, and institutional partners across the startup lifecycle, from early stage through scale and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLeeds, United KingdomHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“We work with young, ambitious businesses that change the world and are focused on helping them to build the elite teams that will allow them to fly.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchManchester, United KingdomHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“We are Accelerate ME.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Our mission is to help individuals turn their ideas into successful startups.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Your company is as much the problem as your competition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Prime Advantage Capital Partners deliver comprehensive solutions to their founders, helping them unlock rapid growth, scale and maximise value through direct, hands on, practical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Scale Space: The scale up community for innovative businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Mountside Ventures is Europe's leading startup & VC accelerator, and early-stage advisory firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchGlasgow, United KingdomHQ recorded Nov 6, 20261-1018 contacts →

Exact match

“Scaling smart, deep, and bio tech.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSheffield, United KingdomHQ recorded Nov 6, 20261-1014 contacts →

Exact match

“Designed to address the specific needs of early-stage academic founders and their teams, the Northern Triangle Mentor Network offers a variety of support from focused guidance to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchScarborough, United KingdomHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“We aim to help people build their business idea into a successful business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“The ICE Network is a vetted global community of more than 470 tech founders and investors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLiverpool, United KingdomHQ recorded Nov 6, 20261-1012 contacts →

Exact match

“We are a tech accelerator on a mission to support game-changing founders who are building the solutions and businesses of tomorrow.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“Angels Partners helps company founders at every stage along their entrepreneurial journey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-109 contacts →

Exact match

“TechItaliaLAB accelerates pre-Seed to Series A stage tech companies in London, with at least 1 Italian Co-Founder; in 2-3 cohorts every year.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBirmingham, United KingdomHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Scaling a business is tough - prioritisation, sustainable growth, and confidence-building can feel overwhelming.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Here you’re joining a global community of founders who believe performance isn’t about pushing harder - it’s about fuelling yourself to lead, decide and deliver better.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-108 contacts →

Exact match

“You’re all busy people so let’s start with the short answer.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Seed Capital.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-107 contacts →

Exact match

“MassChallenge connects startups, experts, corporations, and communities to grow and transform businesses and economies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-107 contacts →

Exact match

“With over 30 years in business advice and same experience owning businesses our founder has a deity of knowledge.”

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

Showing 25 of 393 startup mentorship networks based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 358 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Startup mentorship networks based in the United Kingdom at a glance

As of Nov 6, 2026
8.6%Verified-email coverage
10.6Average contacts per company
1-10Median size (employees)
51.7%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
313
11-50
65
51-200
8
201-500
4
1,001-5,000
1

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 393 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 “startup mentorship networks” 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 358 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.

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

How many startup mentorship networks are there based in the United Kingdom?

RevenueBase identified 393 company matches for startup mentorship networks 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?

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

Which city has the most startup mentorship networks?

London leads with 203 company records, followed by Cambridge (10) and Birmingham (9).

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 358 professional contacts with verified work emails tracked across these 393 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.