Company lists · Data refreshed November 2026

Top 25 Interim executive services based in London, United Kingdom

RevenueBase identified 132 company matches for interim executive services associated with London, United Kingdom as of November 2026 and tracks 835 professional contacts across them, including 262 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for interim executive 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 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
132Companies
835Contacts tracked
262Verified emails
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The 25 largest interim executive services based in London, United Kingdom

Ranked by team size
Top 25 of 132 company matches for interim executive services based in London, 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, 202651-200183 contacts →

Exact match

“We’re a leading people advisory consultancy that partners with you to source great executives, assess and develop leadership capabilities and expedite change and transformation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“Community Partners isn’t your typical recruitment firm We’re a quality-led consultancy, specialising in Change & Transformation, with a trusted Community of SMEs spanning 8…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5066 contacts →

Exact match

“Award-winning Interim, Executive and Board recruitment for the public sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5056 contacts →

Exact match

“We are a leading executive search, interim and leadership advisory firm supporting business owners, investors, and leaders.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5050 contacts →

Exact match

“We’re Essenta With offices in London and New York, we empower our clients to hire, lead and grow with confidence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“Three practice areas built for the demands of PE, family offices, asset managers, investors and portfolio businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-1029 contacts →

Exact match

“Siena Partnership is a boutique consultancy providing executive search, interim management, delivery teams and advisory services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Your business can't afford a leadership gap.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-50010 contacts →

Exact match

“WIL Group (Worldwide Interim Leadership Group) is the first global alliance of leading professional services companies offering interim management and transition management…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Chief Officers Group is a well-connected board level executive search firm specialising in private equity, growth companies, strategic or ownership change and other dynamic…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-507 contacts →

Exact match

“CTR Partners specialises in placing elite interim leaders, executives, and transformation teams to deliver business-critical change across multiple sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Green Lions is a strategic advisory firm working with CEOs, leadership teams and investors to navigate complex leadership and transformation challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-507 contacts →

Exact match

“McSherry Brown is a global executive search and interim firm that specialises in identifying, recruiting and developing executive and board-level leaders who have the ability to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Helping leadership teams and trustees navigate change with confidence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Vantage Recruitment services are a new refreshing provider of Interim solutions to organisations in the Private and Public sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Sanderson King partners with our clients across Executive Search, Interim & Consulting, and Recruitment Project Management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Consult Technology, Consult Finance, Consult Tax, Consult Engineer, Executive Searching and Consult RPM are one of the UK's most trusted supplier's of Executive, Senior and highly…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-2006 contacts →

Exact match

“ECP is unlike other advisory & consulting firms that may rely on theoretical knowledge or recommend solutions without having direct experience in implementing them.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Valtus is the leading reference point for Executive Interim Management worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Since 2008, Marble Hill Partners has been succesfully delivering Executive Search services and Interim Management solutions to PE-backed portfolio businesses owned and their…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Davidson & Partners works across the private, public, not for profit and community sectors, delivering senior level recruitment; senior level interims…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-104 contacts →

Exact match

“We deliver senior leadership and interim search to build and enhance highly effective, diverse leadership teams, in order to support Corporate Growth Strategy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“For over 30 years, Osprey Clarke has been recognised as one of the leading players in Executive Search, Interim Management and Strategy Consulting services supporting the growth…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-2003 contacts →

Exact match

“EIM delivers business breakthrough differently.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Adastrum Consulting (ltn: Ad: to, Astrum: the stars) delivers Executive Search, Interim Management and Leadership Advisory services to businesses.”

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

Showing 25 of 132 interim executive services based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 262 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Interim executive services based in London, United Kingdom at a glance

As of Nov 6, 2026
31.4%Verified-email coverage
6.3Average contacts per company
1-10Median size (employees)
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
99
11-50
24
51-200
6
201-500
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 132 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 “interim executive 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 262 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.

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

How many interim executive services are there based in London, United Kingdom?

RevenueBase identified 132 company matches for interim executive services associated with London, 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?

NEW Street Consulting Group Nscg 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 interim executive services?

London leads the United Kingdom with 132 company records, followed by Manchester (10) and Birmingham (8).

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 262 professional contacts with verified work emails tracked across these 132 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.