Company lists · Data refreshed November 2026

Top 25 Post-merger integration advisors based in the United Kingdom

RevenueBase identified 145 company matches for post-merger integration advisors associated with the United Kingdom as of November 2026 and tracks 1,428 professional contacts across them, including 715 with verified work emails. London is the largest hub.

This list covers company matches for post-merger integration advisors 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
145Companies
1,428Contacts tracked
715Verified emails
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The 25 largest post-merger integration advisors based in the United Kingdom

Ranked by team size
Top 25 of 145 company matches for post-merger integration advisors 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 matchLondon, United KingdomHQ recorded Nov 6, 202611-5078 contacts →

Exact match

“We are SI Global.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5052 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBerkshire, United KingdomHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“Kingsbrook was founded in 2015 by the Rebbettes family, the award-winning entrepreneurs behind M&A advisor BCMS, a former Coutts Family Business Of The Year.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Wharton Business Consulting advises leaders on maximising value from their organisations, whether that be through post-merger integration, acquisition or transformation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-1029 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Ciesco is a London-based leading international M&A advisory firm specialising in the technology, media, healthcare and sustainability sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5018 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-1018 contacts →

Exact match

“Steen Associates is an independent mergers and acquisitions advisory firm specialising in cross-border transactions in the aerospace & defence and industrials sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20017 contacts →

Exact match

“Release the full power of your business Are you preparing for a sale, modernising core systems or building capabilities to make your strategy stick?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“No one should question that success in M&A is about making the optimal deal.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20012 contacts →

Exact match

“Namaste Management – Accelerating Strategic Outcomes We help corporate leaders and private equity professionals deliver exceptional business results through proven strategy, M&A…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“We are specialists in technology merger and acquisition (M&A) and business advisory services working from offices in London and Montreal.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchOxfordshire, United KingdomHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“Epion Consulting - enabling change, empowering those impacted by change.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBristol, United KingdomHQ recorded Nov 6, 202651-20010 contacts →

Exact match

“The GS Verde Group are business-focused experts in getting deals done Law - Finance - Tax - Communications We support business owners with mergers & acquisitions, raising…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-508 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 · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-508 contacts →

Exact match

“We are a consultancy-led professional services firm helping businesses evolve through insight, execution, and technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-507 contacts →

Exact match

“BTD are your trusted partner in M&A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Quayle Munro is an independent mergers and acquisitions advisory firm.”

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

“We are a global M&A consultancy group exclusively focused on the Advertising, Digital & Creative Services sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchCobham, United KingdomHQ recorded Nov 6, 20261-105 contacts →

Exact match

“BF Consultancy are independent Mergers and Acquisitions specialists working with both buy-side and sell-side clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Since its inception in 1998, MELCOFIN & Co.”

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

Exact match

“Achieving ambitious strategic goals and maximising enterprise value requires more than theoretical frameworks – it demands hands-on experience and proven execution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Branue operates as an architect.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-105 contacts →

Exact match

“We are a team of 3 M&A professionals with over 90 years of experience in delivering M&A consulting services to deliver the value of your deal.”

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

Showing 25 of 145 post-merger integration advisors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 715 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Post-merger integration advisors based in the United Kingdom at a glance

As of Nov 6, 2026
50.1%Verified-email coverage
9.8Average contacts per company
1-10Median size (employees)
59.3%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
99
11-50
35
51-200
9
201-500
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 145 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 “post-merger integration advisors” 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 715 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.

Post-merger integration advisors 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 “post-merger integration advisors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many post-merger integration advisors are there based in the United Kingdom?

RevenueBase identified 145 company matches for post-merger integration advisors 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?

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

Which city has the most post-merger integration advisors?

London leads with 86 company records, followed by Bristol (3) and Manchester (3).

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 715 professional contacts with verified work emails tracked across these 145 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.

Ready to reach these companies? Verified emails and direct dials for all 145 post-merger integration advisors based in the United Kingdom. Start with a free account, no credit card.

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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.