Company lists · Data refreshed November 2026

Top 15 Operational auditors based in the United Kingdom

RevenueBase identified 30 company matches for operational auditors associated with the United Kingdom as of November 2026 and tracks 250 professional contacts across them, including 129 with verified work emails. London is the largest hub.

This list covers company matches for operational auditors 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
30Companies
250Contacts tracked
129Verified emails
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The 15 largest operational auditors based in the United Kingdom

Ranked by team size
Top 15 of 30 company matches for operational auditors 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 matchTaunton, United KingdomHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“SWAP is a well established not for profit organisation that focuses on internal audit but also offers a variety of independent business improvement and assurance services designed…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchDurham, United KingdomHQ recorded Nov 6, 202651-20029 contacts →

Exact match

“Providing internal audit, technology risk assurance and counter fraud services in the North of England.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Verita is the leading independent consultancy for regulated organisations in the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Independent Audit are leading specialists in governance, risk and assurance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBurntwood, United KingdomHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Specialist internal audit, governance, risk and compliance services provider; helping our clients Improve, Comply and Optimise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCity Of London, United KingdomHQ recorded Nov 6, 2026201-50014 contacts →

Exact match

“Parker Russell is a leading audit firm offering comprehensive services to medium to large corporations, specialising in FCA-regulated environments and stock exchange-listed…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“At Xcina Consulting we leverage a deep and experienced pool of skilled consultants to deliver all our assurance and advisory services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLeeds, United KingdomHQ recorded Nov 6, 202651-2007 contacts →

Exact match

“Murray Harcourt is an independent firm of audit, tax and risk management specialists with a passion for being a commercial, proactive and forward-thinking client resource.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchGlasgow City, United KingdomHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Independent Audit, Niche Consultancy, Efficiency Reviews, Procurement and Business Intelligence across the print, postal and courier categories.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSydney, United KingdomHQ recorded Nov 6, 20261-105 contacts →

Exact match

“With offices in Australia and the UK, the Omnia Audit Team conduct market leading audit review services on behalf of the Lloyd’s and company markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchCardiff, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“We help organisations manage risks to success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAlderholt, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Established in 2021, Elsiarc was created to develop a more personal approach to internal audit, regulatory compliance and risk management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Calmsulting Limited is an ICAEW-registered boutique consultancy providing tailored advisory and independent reviews to Finance, Risk, and Operations leaders.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSunderland, United KingdomHQ recorded Nov 6, 202611-501 contacts →

Exact match

“From conducting independent business evaluations, creating powerful data insight and analysis, managing data compliance risks, and developing your future strategy, everything we…”

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

Exact match

“We can help minimise the compliance burden on audit registered firms by carrying out the Audit Compliance Review function.”

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

Showing 15 of 30 operational auditors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 129 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Operational auditors based in the United Kingdom at a glance

As of Nov 6, 2026
51.6%Verified-email coverage
8.3Average contacts per company
1-10Median size (employees)
36.7%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
18
11-50
8
51-200
3
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 30 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 “operational auditors” 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 129 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 “operational auditors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many operational auditors are there based in the United Kingdom?

RevenueBase identified 30 company matches for operational auditors 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?

Swap Internal Audit Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most operational auditors?

London leads with 11 company records, followed by Alderholt (1) and Blackpool (1).

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 129 professional contacts with verified work emails tracked across these 30 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.