Company lists · Data refreshed October 2026

Top 25 Business exit planning services based in London, United Kingdom

RevenueBase identified 195 company matches for business exit planning services associated with London, United Kingdom as of October 2026 and tracks 1,334 professional contacts across them, including 635 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for business exit planning services associated with London, 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 October 23, 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 Oct 23, 2026 How this list was built
195Companies
1,334Contacts tracked
635Verified emails
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The 25 largest business exit planning services based in London, United Kingdom

Ranked by team size
Top 25 of 195 company matches for business exit planning services based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 23, 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 matchLondon, United KingdomHQ recorded Oct 23, 2026201-500261 contacts →

Exact match

“Quantuma is a leading business advisory firm which works with businesses at the key milestones.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Oct 23, 202651-200152 contacts →

Exact match

“Opus Business Advisory Group is an independent advisory firm that assists clients to achieve their objectives, enhance value and attain the best possible results.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Oct 23, 202611-5078 contacts →

Exact match

“We are SI Global.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Oct 23, 202611-5065 contacts →

Exact match

“Collingwood is the only growth, value creation, and M&A advisory that is purpose-built to help information, media, and events businesses create and realise shareholder value.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Oct 23, 202611-5049 contacts →

Exact match

“At EOS Deal Advisory, our focus is to provide our clients with targeted advice that focusses on driving future value, leverages evolving technologies, and ensures operational…”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Oct 23, 202611-5033 contacts →

Exact match

“We are an award-winning strategic management consultancy, which exists to create value for its clients by helping them grow profitable sales and complete successful mergers and…”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Oct 23, 20261-1030 contacts →

Exact match

“DD Consulting is a boutique consulting house specialising in M&A, integration and separation, taking all those skills into day-to-day business operations.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Oct 23, 202611-5027 contacts →

Exact match

“Avondale is a leading business advisor that helps ambitious owners buy and sell companies, set up employee ownership trusts, secure investment, grow and create shareholder value.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Oct 23, 202611-5021 contacts →

Exact match

“K3 Advantage is a trusted advisor focusing on Transactions, Tax Advisory and Strategy.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Oct 23, 202611-5017 contacts →

Exact match

“We deliver superior transaction outcomes for business owners and private equity by combining practical insights with deep market intelligence.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Oct 23, 202611-5016 contacts →

Exact match

“LAVA is an M&A advisory firm with a difference.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Oct 23, 202611-5013 contacts →

Exact match

“We tell you where your business is now, what it could be in the future and we’ll help you get there.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Oct 23, 202611-5012 contacts →

Exact match

“FCA regulated sell-side M&A Advisory”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Oct 23, 202611-5011 contacts →

Exact match

“We advise investment funds and portfolio companies on strategy, content and delivery to raise capital, increase investor engagement and boost valuation.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Oct 23, 202611-5011 contacts →

Exact match

“At AEL Markhams we give real world advice in a way you can understand.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Oct 23, 202611-5010 contacts →

Exact match

“Starling Corporate Limited offer a sell-side brokerage service that ensures confidentiality at all stages, providing business owners with the best possible solution to exit a…”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Oct 23, 202611-5010 contacts →

Exact match

“Welcome to Insite M&A, your strategic partner in the dynamic world of Mergers and Acquisitions.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Oct 23, 20261-109 contacts →

Exact match

“Every founder’s journey is shaped by defining moments, pivotal points where timing, judgement and direction determine what comes next.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Oct 23, 20261-109 contacts →

Exact match

“You've grafted for years.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Oct 23, 20261-107 contacts →

Exact match

“H & Hendricks help business owners to increase the value of their companies and prepare for sale.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Oct 23, 20261-107 contacts →

Exact match

“Stewart Lambert and Ian Finlay are friends and highly skilled business leaders with over five decades of experience in travel and leisure.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Oct 23, 20261-107 contacts →

Exact match

“Osterwald Rathbone & Partners focuses on providing industry-led professional consulting advice to corporate entities & their legal representatives in a variety of situations…”

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

Exact match

“Capital A is a disruptive business media and services company focused on the marketing and communications industry.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Oct 23, 20261-107 contacts →

Exact match

“We advise UK owner-managed businesses on buying, selling, valuing and funding companies in the £500k to £10m deal range.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Oct 23, 202611-506 contacts →

Exact match

“We are a team of M&A and strategy consultants focused on the accounting (CPA), legal, trust and corporate service and wealth management industries.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase

Showing 25 of 195 business exit planning services based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 635 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Business exit planning services based in London, United Kingdom at a glance

As of Oct 23, 2026
47.6%Verified-email coverage
6.8Average contacts per company
1-10Median size (employees)
Oct 23, 2026Page data refreshed

Companies by employee count

1-10
157
11-50
32
51-200
2
201-500
2
1,001-5,000
1
10001+
1

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 195 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 London, United Kingdom whose business descriptions match “business exit planning services” 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 635 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 October 23, 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.

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 “business exit planning services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many business exit planning services are there based in London, United Kingdom?

RevenueBase identified 195 company matches for business exit planning services associated with London, United Kingdom as of October 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?

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

Which city in the United Kingdom has the most business exit planning services?

London leads the United Kingdom with 195 company records, followed by Manchester (17) and Leeds (12).

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 635 professional contacts with verified work emails tracked across these 195 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 October 23, 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.