Company lists · Data refreshed September 2026

Top 25 Insolvency accounting firms based in London, United Kingdom

Name: Insolvency accounting firms based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 125 companies tracked

RevenueBase identified 125 insolvency accounting firms headquartered in London, United Kingdom as of September 2026 and tracks 3,542 professional contacts across them, including 1,692 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers insolvency accounting firms headquartered in London, United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

125Companies

3,542Contacts tracked

1,692Verified emails

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The 25 largest insolvency accounting firms based in London, United Kingdom

Ranked by team size

Top 25 of 125 insolvency accounting firms based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to insolvency accounting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	FRP Advisory	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	501-1,000	731 contacts →
	Indirect evidence “FRP is a leading national business advisory firm.” Source: RevenueBase Database · checked Sep 28, 2026
2	PKF Littlejohn	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	501-1,000	702 contacts →
	Indirect evidence “We are a fast-growing firm of accountants and business advisers based in London’s Canary Wharf, Leeds and in Manchester.” Source: RevenueBase Database · checked Sep 28, 2026
3	Oury Clark	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	171 contacts →
	Indirect evidence “Our pioneering integrated approach to professional services cuts through the complicated layers of the legal and accountancy world to give you straightforward joined-up advice and…” Source: RevenueBase Database · checked Sep 28, 2026
4	Opus Business Advisory Group	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	144 contacts →
	Indirect evidence “Opus Business Advisory Group is an independent advisory firm that assists clients to achieve their objectives, enhance value and attain the best possible results.” Source: RevenueBase Database · checked Sep 28, 2026
5	Insol International	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	501-1,000	87 contacts →
	Partial evidence “INSOL International is a world-wide federation of national associations of accountants and lawyers who specialise in turnaround and insolvency.” Source: RevenueBase Database · checked Sep 28, 2026
6	Moorfields Advisory	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	51 contacts →
	Indirect evidence “Moorfields is one of the UK’s leading business advisory and restructuring firms, delivering clear, practical solutions to businesses and individuals facing financial, operational…” Source: RevenueBase Database · checked Sep 28, 2026
7	KSA Group LTD	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	48 contacts →
	Partial evidence “KSA Group Ltd provides a free and easy to use online support service for struggling, insolvent or fast growing businesses.” Source: RevenueBase Database · checked Sep 28, 2026
8	R3 Association Of Business Recovery Professionals	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	44 contacts →
	Partial evidence “R3 is the trade association for the UK’s insolvency, restructuring, advisory, and turnaround professionals.” Source: RevenueBase Database · checked Sep 28, 2026
9	BTG Advisory	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	41 contacts →
	Indirect evidence “BTG Advisory is a boutique practice providing commercial, strategic and partner-led advice, instructed by companies, investors, lenders and other stakeholders.” Source: RevenueBase Database · checked Sep 28, 2026
10	Warrener Stewart	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	40 contacts →
	Indirect evidence “Warrener Stewart is a firm of chartered accountants, chartered tax advisors and registered auditors based in Fulham.” Source: RevenueBase Database · checked Sep 28, 2026
11	Best4business Accountants & Company	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	37 contacts →
	Strong evidence “We are an independent and forward-thinking firm of accountants, consultants and practitioners, offering a full range of accounting, taxation, administration and insolvency…” Source: RevenueBase Database · checked Sep 28, 2026
12	Griffins	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	33 contacts →
	Partial evidence “Insolvency Businesses can encounter difficulties due to a variety of reasons – external pressures, changes in the underlying economic climate, events which cannot be anticipated…” Source: RevenueBase Database · checked Sep 28, 2026
13	Manolete Partners PLC	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	32 contacts →
	Partial evidence “MANOLETE PARTNERS PLC - Expert Finance for UK Insolvency Litigation.” Source: RevenueBase Database · checked Sep 28, 2026
14	WSM Partners LLP	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	32 contacts →
	Strong evidence “WSM Partners is a UK top 100 accountancy firm providing tax, accounting, audit, consulting and insolvency services to businesses in London, specialist UK real estate tax services…” Source: RevenueBase Database · checked Sep 28, 2026
15	C. Lewis & Company	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	32 contacts →
	Partial evidence “We are an independent specialist international forensic accounting firm focused on providing services to clients in the insurance industry and for litigation support / dispute…” Source: RevenueBase Database · checked Sep 28, 2026
16	PKF Littlejohn Advisory	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	31 contacts →
	Indirect evidence “We’re a pragmatic team of business advisors helping business owners, directors and investors in Leeds, London and Manchester.” Source: RevenueBase Database · checked Sep 28, 2026
17	AABRS	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	27 contacts →
	Partial evidence “AABRS is a well-established firm of corporate and personal insolvency specialists, providing a wide range of services to SME businesses and to individuals facing financial…” Source: RevenueBase Database · checked Sep 28, 2026
18	CIS	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	21 contacts →
	Indirect evidence “International Debt Collection Agency In fact, we are not just an outstanding international debt recovery agency.” Source: RevenueBase Database · checked Sep 28, 2026
19	Hudson Weir	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	17 contacts →
	Partial evidence “Hudson Weir are an established firm of Insolvency Practitioners who specialise in business recovery and corporate financial solutions.” Source: RevenueBase Database · checked Sep 28, 2026
20	Anstey Bond LLP	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	16 contacts →
	Indirect evidence “We are a London based accountancy and business advisory firm with personal services tailored to specific business needs.” Source: RevenueBase Database · checked Sep 28, 2026
21	Thorne Lancaster Parker	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	15 contacts →
	Indirect evidence “Established for over 100 years, Thorne Lancaster Parker is one of London’s leading independent accountancy practices.” Source: RevenueBase Database · checked Sep 28, 2026
22	Adpl LLP	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	15 contacts →
	Indirect evidence “ADPL is one of the leading accountancy firms in the country.” Source: RevenueBase Database · checked Sep 28, 2026
23	Kallis & Company	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	14 contacts →
	Indirect evidence “We are a progressive firm providing constructive advice to both companies and individuals with financial difficulties as well as to fellow professionals in order to enable them to…” Source: RevenueBase Database · checked Sep 28, 2026
24	Frenkels Forensics Chartered Accountants	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	9 contacts →
	Indirect evidence “For more than 40 years Frenkels Forensics has specialised in forensic accountancy.” Source: RevenueBase Database · checked Sep 28, 2026
25	Insolve Plus LTD	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	9 contacts →
	Partial evidence “About Insolve Plus Ltd Expert insolvency and restructuring advice for directors and stakeholders across the UK, Qatar, and key offshore jurisdictions.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: insolvency accounting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names insolvency accounting firms.
Partial evidence: Its own public description names part of insolvency accounting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name insolvency accounting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 125 insolvency accounting firms based in London, United Kingdom

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Insolvency accounting firms based in London, United Kingdom at a glance

As of Sep 28, 2026

47.8%Verified-email coverage

28.3Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 125 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among insolvency accounting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in London, United Kingdom whose own description of what they do matches “insolvency accounting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names insolvency accounting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among insolvency accounting firms, and records with no verified work email. Companies headquartered outside London are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,692 across the full list. 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 September 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Insolvency accounting firms by metro in the United Kingdom

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names insolvency accounting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many insolvency accounting firms are there based in London, United Kingdom?

RevenueBase identified 125 insolvency accounting firms headquartered in London, United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

FRP Advisory, headquartered in London, tops this list with the largest team on record.

Which city in the United Kingdom has the most insolvency accounting firms?

London leads the United Kingdom with 125 headquartered companies, followed by Manchester (40) and Birmingham (25).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,692 verified decision-maker contacts tracked across these 125 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.