Company lists · Data refreshed September 2026

Top 25 Financial reporting consulting firms based in London, United Kingdom

Name: Financial reporting consulting 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 158 companies tracked

RevenueBase identified 158 financial reporting consulting firms headquartered in London, United Kingdom as of September 2026 and tracks 3,595 professional contacts across them, including 950 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers financial reporting consulting 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

158Companies

3,595Contacts tracked

950Verified emails

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The 25 largest financial reporting consulting firms based in London, United Kingdom

Ranked by team size

Top 25 of 158 financial reporting consulting 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 financial reporting consulting 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	Crowe UK	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1,001-5,000	1,395 contacts →
	Partial evidence “Crowe UK is a leading audit, tax, advisory and consulting firm with a national presence to complement our international reach.” 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	Mazars In The UK	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1,001-5,000	505 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
4	Harris & Trotter LLP	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	116 contacts →
	Indirect evidence “At Harris & Trotter, we believe your accountant should do a lot more than just report on how your business is doing – he or she should help you identify opportunities to improve…” Source: RevenueBase Database · checked Sep 28, 2026
5	Adroit Accountax LTD	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	51 contacts →
	Partial evidence “Empowering Businesses to Thrive Through Financial Clarity \| Adroit Accountax We're a team of passionate and experienced accountants dedicated to your business success.” Source: RevenueBase Database · checked Sep 28, 2026
6	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
7	Pathlight Associates	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	22 contacts →
	Strong evidence “What we do We are a specialist professional services firm providing consulting and assurance services, particularly to the Financial Services sector.” Source: RevenueBase Database · checked Sep 28, 2026
8	Walden WAY & CO	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	20 contacts →
	Indirect evidence “We are a firm of Chartered Certified Accountants and Registered Auditors.” Source: RevenueBase Database · checked Sep 28, 2026
9	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
10	Chariot House LTD	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	12 contacts →
	Indirect evidence “At Chariot House, we specialize in supporting small to medium-sized organisations in managing their finances more efficiently and with greater simplicity.” Source: RevenueBase Database · checked Sep 28, 2026
11	Avant Advisory	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	11 contacts →
	Indirect evidence “Avant Advisory is a firm of Chartered Certified Accountants and Business Advisors.” Source: RevenueBase Database · checked Sep 28, 2026
12	Xpact Financial Accountants And Management Consultants	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	11 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
13	Cfpro LTD	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	10 contacts →
	Indirect evidence “In December 2023, CFPro merged with BKL, enabling us to maintain the high quality of our services while providing a greater breadth of client offering.” Source: RevenueBase Database · checked Sep 28, 2026
14	Xcina Consulting	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	9 contacts →
	Partial evidence “At Xcina Consulting we leverage a deep and experienced pool of skilled consultants to deliver all our assurance and advisory services.” Source: RevenueBase Database · checked Sep 28, 2026
15	Exsus Audit	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	9 contacts →
	Partial evidence “EXSUS AUDITis offering a comprehensive range of accounting, auditing, tax planning and business consulting services to Cypriot and offshore companies and high net worth…” Source: RevenueBase Database · checked Sep 28, 2026
16	Viewpoint	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	8 contacts →
	Indirect evidence “We're Viewpoint Partners, accountants and consultants specialising in the restaurant and hospitality industry.” Source: RevenueBase Database · checked Sep 28, 2026
17	Osterwald Rathbone & Partners	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	8 contacts →
	Partial evidence “Osterwald Rathbone & Partners focuses on providing industry-led professional consulting advice to corporate entities & their legal representatives in a variety of situations…” Source: RevenueBase Database · checked Sep 28, 2026
18	ASK Accountants UK LTD	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Indirect evidence “ASK Accountants based in Wimbledon is a firm of Chartered Certified Accountants, Registered Auditors and Qualified Tax Consultants, committed to providing you with accurate and…” Source: RevenueBase Database · checked Sep 28, 2026
19	MFP Services LTD	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	6 contacts →
	Partial evidence “MFP Services Ltd is a finance and management consulting company based in Central London, England, United Kingdom.” Source: RevenueBase Database · checked Sep 28, 2026
20	Alan Patient & CO Limited	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	5 contacts →
	Indirect evidence “Alan Patient & Co are a firm of well established chartered accountants and registered auditors in Wanstead We believe in advising business owners on how to best arrange their…” Source: RevenueBase Database · checked Sep 28, 2026
21	Casa Bookkeeping	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	5 contacts →
	Partial evidence “Naturally, accurate and timely reporting is paramount – but at CASA we don’t stop there.” Source: RevenueBase Database · checked Sep 28, 2026
22	Finomatic Consulting	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	5 contacts →
	Partial evidence “We build and optimise financial data foundations, from financial models to data warehouses to company wide data cubes, that give PE-backed software and MSP businesses…” Source: RevenueBase Database · checked Sep 28, 2026
23	Thornton Springer	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	5 contacts →
	Indirect evidence “Thornton Springer LLP is a firm of chartered accountants and business advisers with a history of delivering results for our clients.” Source: RevenueBase Database · checked Sep 28, 2026
24	Smith & Johnson	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	5 contacts →
	Partial evidence “Smith & Johnson is an experienced accounting firm specializing in providing comprehensive financial solutions to businesses and individuals.” Source: RevenueBase Database · checked Sep 28, 2026
25	Fast Growth Consulting Limited	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	5 contacts →
	Indirect evidence “Most early-stage and fast-growing companies start out with lean finance teams, good at keeping things ticking: paying bills, raising invoices, submitting VAT returns.” 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: financial reporting consulting 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 financial reporting consulting firms.
Partial evidence: Its own public description names part of financial reporting consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name financial reporting consulting 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 158 financial reporting consulting firms based in London, United Kingdom

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Financial reporting consulting firms based in London, United Kingdom at a glance

As of Sep 28, 2026

26.4%Verified-email coverage

22.8Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

108

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 158 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 financial reporting consulting 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 “financial reporting consulting 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 financial reporting consulting 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 financial reporting consulting 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, 950 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.

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 financial reporting consulting 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 financial reporting consulting firms are there based in London, United Kingdom?

RevenueBase identified 158 financial reporting consulting 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?

Crowe UK, headquartered in London, tops this list with the largest team on record.

Which city in the United Kingdom has the most financial reporting consulting firms?

London leads the United Kingdom with 158 headquartered companies, followed by Manchester (12) and Birmingham (9).

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 950 verified decision-maker contacts tracked across these 158 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.