Company lists · Data refreshed November 2026

Top 17 Interim controller services companies based in the United Kingdom

RevenueBase identified 61 company matches for interim controller services companies associated with the United Kingdom as of November 2026 and tracks 244 professional contacts across them, including 55 with verified work emails. London is the largest hub.

This list covers company matches for interim controller services companies 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
61Companies
244Contacts tracked
55Verified emails
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The 17 largest interim controller services companies based in the United Kingdom

Ranked by team size
Top 17 of 61 company matches for interim controller services companies 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 matchHarpenden, United KingdomHQ recorded Nov 6, 2026n/a56 contacts →

Exact match

“Finance Director/Chief Financial Officer for 22 years and an Interim Manager for 13, combined with an enthusiastic results driven personality, ensures the key issues are…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHertford, United KingdomHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“Playfair Partnerships provides financial management and control, combined with strategic business advice, to owner-managed organisations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-107 contacts →

Exact match

“We Are Not Your Traditional Interim Management Firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHenley-on-thames, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Nominated for Professional Services Start-up of the Year award in the Southeast region of the UK Start-up Awards 2024.** Mettryx provide on demand Finance leadership to support…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchBristol, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“We base ourselves where you are!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Holdsway is an award-winning and top-rated interim management firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-502 contacts →

Exact match

“The idea of Zuizz came about a few years ago when our director got tired of giving his best in unfulfilling roles across the practice environment and realised that not many in the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Osprey Clarke Interim Executives have been providing Interim Managers globally for over 25 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchConsett, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“We work with businesses providing them with accountancy and financial management support as they grow.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLeicestershire, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Why use Argentum Consultants?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchGuildford, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Providing Interim Management to Engineering, Manufacturing and IT Achieving lasting results by applying a combination of broad technical understanding and strong leadership skills…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchWestbury, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Ewoud Gerrits - Financial Consultancy en Interim Management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Independent consulting vehicle used for interim and advisory engagements across finance, operations, and reporting.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchDerby, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Provider of Interim CFO services including as a Non Exec Director.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchChelmsford, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Horus Consulting is an owner managed limited company specialising in the provision of interim management services as Finance Director / Advisor /commercial support to SMEs and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“At Rocket Accounts, we’re all about transforming how you handle your business finances.”

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

Showing 17 of 61 interim controller services companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 55 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Interim controller services companies based in the United Kingdom at a glance

As of Nov 6, 2026
22.5%Verified-email coverage
4.0Average contacts per company
1-10Median size (employees)
27.9%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
54
11-50
4
51-200
2
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 61 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 “interim controller services companies” 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 55 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 controller services companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many interim controller services companies are there based in the United Kingdom?

RevenueBase identified 61 company matches for interim controller services companies 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?

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

Which city has the most interim controller services companies?

London leads with 17 company records, followed by Guildford (2) and Henley-On-Thames (2).

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 55 professional contacts with verified work emails tracked across these 61 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.