Company lists · Data refreshed September 2026
Top 25 Contract accounting firms based in the United Kingdom
RevenueBase identified 1,314 contract accounting firms headquartered in the United Kingdom as of September 2026 and tracks 6,660 professional contacts across them, including 2,492 with verified work emails. London is the largest hub.
This list covers contract accounting firms headquartered in the 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 27, 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.
The 25 largest contract accounting firms based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 107 contacts → | ||||
Partial evidence “FLB is a firm of accountants providing core accounting services to a range of clients from start-ups, owner-managed businesses and private clients, to large corporates and…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 102 contacts → | ||||
Indirect evidence “SJD is now Caroola Accountancy!” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 99 contacts → | ||||
Indirect evidence “Cottons was established in 1983 and has since grown to become one of the leading independent chartered accountancy firms in the UK, with offices in Rugby, Northampton, Daventry…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 91 contacts → | ||||
Indirect evidence “We focus on understanding your individual business needs.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 68 contacts → | ||||
Indirect evidence “As the leading independent firm of Chartered Accountants in south Wales, Kilsby & Williams LLP is able to provide advice on all aspects of accountancy and taxation such as…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 65 contacts → | ||||
Indirect evidence “At Nordens, we get it - we really do.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 64 contacts → | ||||
Indirect evidence “Meralis Chartered Accountants and Registered Auditors were set up by Mahmud Merali to provide accountancy, auditing and consultancy services to clients both at national and…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 63 contacts → | ||||
Indirect evidence “Prime Accountants Group is an independent firm of chartered accountants, forensic accountants, business and financial advisors.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 62 contacts → | ||||
Partial evidence “We offer online accounting services which simplify tax and finances for small businesses, by providing a fresh alternative to old-school high street accountants.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 58 contacts → | ||||
Partial evidence “Legal Cashiering Services Payroll Services Management Accounting Statutory Accounts Credit Control Consultancy Projects The Cashroom understands that you just want to get on with…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 53 contacts → | ||||
Indirect evidence “Bright Grahame Murray is a medium-sized firm of Chartered Accountants based in Kensington, London, SW7.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 53 contacts → | ||||
Partial evidence “We are a firm of Chartered Accountants dedicated to providing our clients with a professional, solution to their day to day accounting needs.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 52 contacts → | ||||
Partial evidence “Now part of acumon UK the UK arm of acumon a fiercely independent global audit, accounting and tax firm.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 49 contacts → | ||||
Indirect evidence “Brown McLeod Limited are Chartered Accountants with offices in London and Sheffield.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 41 contacts → | ||||
Indirect evidence “Myers Clark is a firm of chartered accountants with over 100 year history of providing excellence to all its clients.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 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 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 35 contacts → | ||||
Indirect evidence “THP Chartered Accountants have five offices covering London, Surrey and Essex.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 33 contacts → | ||||
Indirect evidence “Welcome to Spurling Cannon, Chartered Certified Accountants & Registered Auditors based in Kent.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 33 contacts → | ||||
Indirect evidence “BNW is one of the UK’s fast growing low cost, fixed fee accountancy and taxation firm based in Surrey, offering services across London, all over UK and Europe.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 32 contacts → | ||||
Indirect evidence “Morris Owen - chartered accountants, business advisers and tax advisers.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 32 contacts → | ||||
Indirect evidence “Chartered Accountants + Business Advisers As one of Staffordshire's longest established accountancy firms, Deans has built up a reputation for providing high quality accountancy…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 30 contacts → | ||||
Indirect evidence “Are you struggling with tax issues- Need to fund a business but are unsure how and where to obtain the funds- Starting a business and looking for a firm of accountants with the…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 28 contacts → | ||||
Indirect evidence “James Todd & Co Ltd is a chartered accountancy firm and registered auditors serving clients across the South, South East, and London.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 28 contacts → | ||||
Indirect evidence “GLX is an independent firm of chartered accountants based in East Anglia, servicing clients throughout the country.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 28 contacts → | ||||
Indirect evidence “We are Philip Barnes & Co, Tamworth accountants who can help you to run your business profitably and successfully.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
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: contract 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 contract accounting firms.
- Partial evidence
- Its own public description names part of contract accounting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name contract 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 1,314 contract accounting firms based in the United Kingdom
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Contract accounting firms based in the United Kingdom at a glance
As of Sep 27, 2026Companies by employee count
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 1,314 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 contract 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 the United Kingdom whose own description of what they do matches “contract 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 contract 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 contract accounting firms, and records with no verified work email. Companies headquartered outside United Kingdom 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, 2,492 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 27, 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.
Contract accounting firms by metro
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 contract 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 contract accounting firms are there based in the United Kingdom?
RevenueBase identified 1,314 contract accounting firms headquartered in the 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?
FLB Accountants LLP, headquartered in Winnersh Triangle, tops this list with the largest team on record.
Which city has the most contract accounting firms?
London leads with 230 headquartered companies, followed by Birmingham (34) and Manchester (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 2,492 verified decision-maker contacts tracked across these 1,314 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 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,314 contract accounting firms based in the United Kingdom. Start with a free account, no credit card.
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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.
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