Company lists · Data refreshed September 2026
Top 25 Accounting and tax outsourcing companies based in the United Kingdom
RevenueBase identified 5,686 company matches for accounting and tax outsourcing companies associated with the United Kingdom as of September 2026 and tracks 42,215 professional contacts across them, including 16,341 with verified work emails and 1,724 with mobile numbers. London is the largest hub.
This list covers company matches for accounting and tax outsourcing 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 September 22, 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.
The 25 largest accounting and tax outsourcing companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,933 contacts → | ||||
Exact match “BDO LLP is an accountancy and business advisory firm that provides Audit, Tax, Deals, and Consulting, Risk & Outsourcing (CR & O) services to entrepreneurial, growing and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 2 | 1,125 contacts → | ||||
Exact match “We provide services that help businesses at every stage of the lifecycle.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 700 contacts → | ||||
Exact match “Any good accountancy firm can help with your finance, audit, and tax.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 655 contacts → | ||||
Exact match “HaysMac is an award‑winning accountancy, tax and advisory firm, known for delivering expert, partner‑led advice to ambitious organisations and individuals.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 579 contacts → | ||||
Exact match “Armstrong Watson has been advising and protecting clients across the North of England and Scotland since 1867.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 477 contacts → | ||||
Exact match “Outbooks is a leading provider of outsourcing services to accounting and bookkeeping firms.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 423 contacts → | ||||
Exact match “Corient is a specialist outsourced accounting and bookkeeping partner, built exclusively for UK accountancy practices.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 379 contacts → | ||||
Exact match “Welcome to the new era of accountancy.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 322 contacts → | ||||
Exact match “At SKS, we pride ourselves on being different.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 311 contacts → | ||||
Exact match “GI Outsourcing is a UK-based accountants outsourcing firm.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 296 contacts → | ||||
Exact match “Accounting services for sole traders and SME’s.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 203 contacts → | ||||
Exact match “Lubbock Fine is an independent accounting, tax, audit and advisory firm in the City of London.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 167 contacts → | ||||
Exact match “In 2023, EQ Accountants became part of Sumer – a collaboration of renowned regional accountancy practices with a shared vision to champion local small to medium-sized enterprises.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 157 contacts → | ||||
Exact match “Accounting - Tax - Corporate Finance To the entrepreneurs, business owners and investors who are the lifeblood of UK business.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 151 contacts → | ||||
Exact match “For 40 years, Ormerod Rutter have offered the specialist hands-on support that clients need to handle all of their tax, business and financial affairs.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 140 contacts → | ||||
Exact match “Burgess Hodgson are a Kent based accountancy firm with the skills and expertise to rival any other accountancy firm in the UK.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 134 contacts → | ||||
Exact match “Award winning accountants & tax advisors based in Newport, South Wales.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 133 contacts → | ||||
Exact match “Traditional accountants do a great job of the numbers, but that's often as far as the service goes.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 123 contacts → | ||||
Exact match “David Allen was established in 1997 and now has a team of over 150 dedicated professionals working from our offices based in Carlisle, Dalston, Dumfries, Penrith and Workington.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 120 contacts → | ||||
Exact match “Ellacotts is one of the largest independent accounting and business advisory firms in the UK and is ranked as a Top 100 Accountancy Firm by Accountancy Age.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 21 | 118 contacts → | ||||
Exact match “Intelligent Outsourcing (iO) is an offshoring company in the Philippines dedicated to supporting UK accounting practices.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 22 | 114 contacts → | ||||
Exact match “Alliotts LLP is based in London and Guildford.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 23 | 108 contacts → | ||||
Exact match “As attention turns to the new fiscal year, accountants across the UK are finalising plans to boost growth and productivity and improve profitability.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 24 | 104 contacts → | ||||
Exact match “Online Accounting Service | Bookkeeping | Payroll | Personal Tax Return Filing to HMRC | Corporation Tax Filing | HMRC ONLINE FILING: Our aim is to help small business owners` tax…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 25 | 102 contacts → | ||||
Exact match “SJD is now Caroola Accountancy!” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “accounting and tax outsourcing companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 5,686 accounting and tax outsourcing companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 16,341 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Accounting and tax outsourcing companies based in the United Kingdom at a glance
As of Sep 22, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 25.0dCompany record updated
Median 88.0dHow 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 “accounting and tax outsourcing 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 16,341 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 September 22, 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.
Accounting and tax outsourcing companies by metro
- Accounting and tax outsourcing companies in London1107
- Accounting and tax outsourcing companies in Manchester113
- Accounting and tax outsourcing companies in Birmingham86
- Accounting and tax outsourcing companies in Bristol69
- Accounting and tax outsourcing companies in Leeds53
- Accounting and tax outsourcing companies in Glasgow51
- Accounting and tax outsourcing companies in Leicester43
- Accounting and tax outsourcing companies in Harrow41
- Accounting and tax outsourcing companies in Liverpool41
- Accounting and tax outsourcing companies in Nottingham41
- Accounting and tax outsourcing companies in Milton Keynes38
- Accounting and tax outsourcing companies in Sheffield34
- Accounting and tax outsourcing companies in Edinburgh32
- Accounting and tax outsourcing companies in Coventry30
- Accounting and tax outsourcing companies in Norwich27
- Accounting and tax outsourcing companies in Croydon26
- Accounting and tax outsourcing companies in Southampton26
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 “accounting and tax outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many accounting and tax outsourcing companies are there based in the United Kingdom?
RevenueBase identified 5,686 company matches for accounting and tax outsourcing companies associated with the United Kingdom as of September 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?
BDO UK tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most accounting and tax outsourcing companies?
London leads with 1107 company records, followed by Manchester (113) and Birmingham (86).
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 16,341 professional contacts with verified work emails tracked across these 5,686 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 September 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 5,686 accounting and tax outsourcing companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Accounting and tax outsourcing companies by geography
- Accounting and tax outsourcing companies based in the United States
- Accounting and tax outsourcing companies based in Brazil
- Accounting and tax outsourcing companies based in Canada
- Accounting and tax outsourcing companies based in Germany
- Accounting and tax outsourcing companies based in Australia
- Accounting and tax outsourcing companies based in the Netherlands
- Accounting and tax outsourcing companies based in Italy
- Accounting and tax outsourcing companies based in France
- Accounting and tax outsourcing companies based in South Africa
- Accounting and tax outsourcing companies based in Poland
- Accounting and tax outsourcing companies based in Belgium
- Accounting and tax outsourcing companies based in Spain
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Accounting and tax outsourcing companies based in the United States
- Accounting and tax outsourcing companies based in Brazil
- Accounting and tax outsourcing companies based in Canada
- Accounting and tax outsourcing companies based in Germany
- Accounting and tax outsourcing companies based in Australia
- Accounting and tax outsourcing companies based in the Netherlands
Company intelligence · public preview
Top 25 accounting and tax outsourcing companies based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 5,686 matching company records for accounting and tax outsourcing companies based in the United Kingdom, with 42,215 tracked contacts and 16,341 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 accounting and tax outsourcing companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  BDO UKbdo.co.ukHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 6,933 contacts → |
“BDO LLP is an accountancy and business advisory firm that provides Audit, Tax, Deals, and Consulting, Risk & Outsourcing (CR & O) services to entrepreneurial, growing and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  AABaabgroup.comHQ: Uk And Ireland, United KingdomReported employees: 1,001-5,000 | Uk And Ireland, United Kingdom | 1,001-5,000 | Exact match | 1,125 contacts → |
“We provide services that help businesses at every stage of the lifecycle.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Pkf-Francis Clark Chartered Accountants & Business Adviserspkf-francisclark.co.ukHQ: Exeter, United KingdomReported employees: 501-1,000 | Exeter, United Kingdom | 501-1,000 | Exact match | 700 contacts → |
“Any good accountancy firm can help with your finance, audit, and tax.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Haysmachaysmac.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 655 contacts → |
“HaysMac is an award‑winning accountancy, tax and advisory firm, known for delivering expert, partner‑led advice to ambitious organisations and individuals.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Armstrong Watsonarmstrongwatson.co.ukHQ: Carlisle, United KingdomReported employees: 501-1,000 | Carlisle, United Kingdom | 501-1,000 | Exact match | 579 contacts → |
“Armstrong Watson has been advising and protecting clients across the North of England and Scotland since 1867.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Outbooksoutbooks.co.ukHQ: Harrow, United KingdomReported employees: 201-500 | Harrow, United Kingdom | 201-500 | Exact match | 477 contacts → |
“Outbooks is a leading provider of outsourcing services to accounting and bookkeeping firms.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Corient Business Solutions Limitedcorientbs.co.ukHQ: Coventry, United KingdomReported employees: 501-1,000 | Coventry, United Kingdom | 501-1,000 | Exact match | 423 contacts → |
“Corient is a specialist outsourced accounting and bookkeeping partner, built exclusively for UK accountancy practices.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Gravitagravita.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 379 contacts → |
“Welcome to the new era of accountancy.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  SKS Business Servicessksbusinessservices.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 322 contacts → |
“At SKS, we pride ourselves on being different.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  GI Outsourcinggioutsourcing.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 311 contacts → |
“GI Outsourcing is a UK-based accountants outsourcing firm.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Looking For NEW Opportunitiesspringboardaccounting.co.uk HQ: Stapleford, United KingdomReported employees: Not recorded | Stapleford, United Kingdom | Not recorded | Exact match | 296 contacts → |
“Accounting services for sole traders and SME’s.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Lubbock Finelubbockfine.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 203 contacts → |
“Lubbock Fine is an independent accounting, tax, audit and advisory firm in the City of London.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  EQ Accountants, Part Of The Sumer Groupeqaccountants.co.ukHQ: Dundee, United KingdomReported employees: 201-500 | Dundee, United Kingdom | 201-500 | Exact match | 167 contacts → |
“In 2023, EQ Accountants became part of Sumer – a collaboration of renowned regional accountancy practices with a shared vision to champion local small to medium-sized enterprises.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Wilson Partnerswilson-partners.co.ukHQ: Maidenhead, United KingdomReported employees: 201-500 | Maidenhead, United Kingdom | 201-500 | Exact match | 157 contacts → |
“Accounting - Tax - Corporate Finance To the entrepreneurs, business owners and investors who are the lifeblood of UK business.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Ormerod Rutter Chartered Accountantsormerodrutter.co.ukHQ: Droitwich, United KingdomReported employees: 51-200 | Droitwich, United Kingdom | 51-200 | Exact match | 151 contacts → |
“For 40 years, Ormerod Rutter have offered the specialist hands-on support that clients need to handle all of their tax, business and financial affairs.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Burgess Hodgsonburgesshodgson.co.ukHQ: Canterbury, United KingdomReported employees: 51-200 | Canterbury, United Kingdom | 51-200 | Exact match | 140 contacts → |
“Burgess Hodgson are a Kent based accountancy firm with the skills and expertise to rival any other accountancy firm in the UK.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  HSJ Accountants, Business & TAX Advisorshsjaccountants.co.ukHQ: Newport, United KingdomReported employees: 51-200 | Newport, United Kingdom | 51-200 | Exact match | 134 contacts → |
“Award winning accountants & tax advisors based in Newport, South Wales.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Accounts And Legalaccountsandlegal.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 133 contacts → |
“Traditional accountants do a great job of the numbers, but that's often as far as the service goes.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  David Allendavid-allen.co.ukHQ: Carlisle, United KingdomReported employees: 51-200 | Carlisle, United Kingdom | 51-200 | Exact match | 123 contacts → |
“David Allen was established in 1997 and now has a team of over 150 dedicated professionals working from our offices based in Carlisle, Dalston, Dumfries, Penrith and Workington.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Ellacotts Accountantsellacotts.co.ukHQ: Banbury, United KingdomReported employees: 51-200 | Banbury, United Kingdom | 51-200 | Exact match | 120 contacts → |
“Ellacotts is one of the largest independent accounting and business advisory firms in the UK and is ranked as a Top 100 Accountancy Firm by Accountancy Age.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Intelligent Outsourcingintelligentoutsourcing.co.uk HQ: Tunbridge Wells, United KingdomReported employees: 51-200 | Tunbridge Wells, United Kingdom | 51-200 | Exact match | 118 contacts → |
“Intelligent Outsourcing (iO) is an offshoring company in the Philippines dedicated to supporting UK accounting practices.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Alliotts LLPalliotts.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 114 contacts → |
“Alliotts LLP is based in London and Guildford.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Initor Global UKinitor-global.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 108 contacts → |
“As attention turns to the new fiscal year, accountants across the UK are finalising plans to boost growth and productivity and improve profitability.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Debitamdebitam.comHQ: 42-44 Bishopsgate, United KingdomReported employees: 51-200 | 42-44 Bishopsgate, United Kingdom | 51-200 | Exact match | 104 contacts → |
“Online Accounting Service | Bookkeeping | Payroll | Personal Tax Return Filing to HMRC | Corporation Tax Filing | HMRC ONLINE FILING: Our aim is to help small business owners` tax…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  SJD Accountancycaroola.comHQ: Hemel Hempstead, United KingdomReported employees: 501-1,000 | Hemel Hempstead, United Kingdom | 501-1,000 | Exact match | 102 contacts → |
“SJD is now Caroola Accountancy!” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,686 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Accounting and tax outsourcing companies: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
5,621 records in the displayed employee bands.
65 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 25.0dCompany record updated
Median 88.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Accounting and tax outsourcing companies by metro
- Accounting and tax outsourcing companies in London1107
- Accounting and tax outsourcing companies in Manchester113
- Accounting and tax outsourcing companies in Birmingham86
- Accounting and tax outsourcing companies in Bristol69
- Accounting and tax outsourcing companies in Leeds53
- Accounting and tax outsourcing companies in Glasgow51
- Accounting and tax outsourcing companies in Leicester43
- Accounting and tax outsourcing companies in Harrow41
- Accounting and tax outsourcing companies in Liverpool41
- Accounting and tax outsourcing companies in Nottingham41
- Accounting and tax outsourcing companies in Milton Keynes38
- Accounting and tax outsourcing companies in Sheffield34
- Accounting and tax outsourcing companies in Edinburgh32
- Accounting and tax outsourcing companies in Coventry30
- Accounting and tax outsourcing companies in Norwich27
- Accounting and tax outsourcing companies in Croydon26
- Accounting and tax outsourcing companies in Southampton26
Questions about this company list
What does Exact match mean for accounting and tax outsourcing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many accounting and tax outsourcing companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 5,686 matching company records, 42,215 tracked contacts and 16,341 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Accounting and tax outsourcing companies by geography
- Accounting and tax outsourcing companies based in the United States
- Accounting and tax outsourcing companies based in Brazil
- Accounting and tax outsourcing companies based in Canada
- Accounting and tax outsourcing companies based in Germany
- Accounting and tax outsourcing companies based in Australia
- Accounting and tax outsourcing companies based in the Netherlands
- Accounting and tax outsourcing companies based in Italy
- Accounting and tax outsourcing companies based in France
- Accounting and tax outsourcing companies based in South Africa
- Accounting and tax outsourcing companies based in Poland
- Accounting and tax outsourcing companies based in Belgium
- Accounting and tax outsourcing companies based in Spain
Cite this list
RevenueBase Data Team. Top 25 accounting and tax outsourcing companies based in the United Kingdom. Snapshot: September 22, 2026. https://revenuebase.ai/companies/accounting-and-tax-outsourcing-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Accounting and tax outsourcing companies based in the United States
- Accounting and tax outsourcing companies based in Brazil
- Accounting and tax outsourcing companies based in Canada
- Accounting and tax outsourcing companies based in Germany
- Accounting and tax outsourcing companies based in Australia
- Accounting and tax outsourcing companies based in the Netherlands
Company intelligence · public preview
Top 25 accounting and tax outsourcing companies based in the United Kingdom
RevenueBase records 5,686 matching company records for accounting and tax outsourcing companies based in the United Kingdom, with 42,215 tracked contacts and 16,341 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 accounting and tax outsourcing companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | BDO UKbdo.co.uk HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 6,933 contacts → |
“BDO LLP is an accountancy and business advisory firm that provides Audit, Tax, Deals, and Consulting, Risk & Outsourcing (CR & O) services to entrepreneurial, growing and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | AABaabgroup.com HQ: Uk And Ireland, United KingdomReported employees: 1,001-5,000 | Uk And Ireland, United Kingdom | 1,001-5,000 | Exact match | 1,125 contacts → |
“We provide services that help businesses at every stage of the lifecycle.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Pkf-Francis Clark Chartered Accountants & Business Adviserspkf-francisclark.co.uk HQ: Exeter, United KingdomReported employees: 501-1,000 | Exeter, United Kingdom | 501-1,000 | Exact match | 700 contacts → |
“Any good accountancy firm can help with your finance, audit, and tax.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Haysmachaysmac.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 655 contacts → |
“HaysMac is an award‑winning accountancy, tax and advisory firm, known for delivering expert, partner‑led advice to ambitious organisations and individuals.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Armstrong Watsonarmstrongwatson.co.uk HQ: Carlisle, United KingdomReported employees: 501-1,000 | Carlisle, United Kingdom | 501-1,000 | Exact match | 579 contacts → |
“Armstrong Watson has been advising and protecting clients across the North of England and Scotland since 1867.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Outbooksoutbooks.co.uk HQ: Harrow, United KingdomReported employees: 201-500 | Harrow, United Kingdom | 201-500 | Exact match | 477 contacts → |
“Outbooks is a leading provider of outsourcing services to accounting and bookkeeping firms.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Corient Business Solutions Limitedcorientbs.co.uk HQ: Coventry, United KingdomReported employees: 501-1,000 | Coventry, United Kingdom | 501-1,000 | Exact match | 423 contacts → |
“Corient is a specialist outsourced accounting and bookkeeping partner, built exclusively for UK accountancy practices.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Gravitagravita.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 379 contacts → |
“Welcome to the new era of accountancy.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | SKS Business Servicessksbusinessservices.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 322 contacts → |
“At SKS, we pride ourselves on being different.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | GI Outsourcinggioutsourcing.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 311 contacts → |
“GI Outsourcing is a UK-based accountants outsourcing firm.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Looking For NEW Opportunitiesspringboardaccounting.co.uk HQ: Stapleford, United KingdomReported employees: Not recorded | Stapleford, United Kingdom | Not recorded | Exact match | 296 contacts → |
“Accounting services for sole traders and SME’s.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Lubbock Finelubbockfine.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 203 contacts → |
“Lubbock Fine is an independent accounting, tax, audit and advisory firm in the City of London.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | EQ Accountants, Part Of The Sumer Groupeqaccountants.co.uk HQ: Dundee, United KingdomReported employees: 201-500 | Dundee, United Kingdom | 201-500 | Exact match | 167 contacts → |
“In 2023, EQ Accountants became part of Sumer – a collaboration of renowned regional accountancy practices with a shared vision to champion local small to medium-sized enterprises.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Wilson Partnerswilson-partners.co.uk HQ: Maidenhead, United KingdomReported employees: 201-500 | Maidenhead, United Kingdom | 201-500 | Exact match | 157 contacts → |
“Accounting - Tax - Corporate Finance To the entrepreneurs, business owners and investors who are the lifeblood of UK business.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ormerod Rutter Chartered Accountantsormerodrutter.co.uk HQ: Droitwich, United KingdomReported employees: 51-200 | Droitwich, United Kingdom | 51-200 | Exact match | 151 contacts → |
“For 40 years, Ormerod Rutter have offered the specialist hands-on support that clients need to handle all of their tax, business and financial affairs.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Burgess Hodgsonburgesshodgson.co.uk HQ: Canterbury, United KingdomReported employees: 51-200 | Canterbury, United Kingdom | 51-200 | Exact match | 140 contacts → |
“Burgess Hodgson are a Kent based accountancy firm with the skills and expertise to rival any other accountancy firm in the UK.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HSJ Accountants, Business & TAX Advisorshsjaccountants.co.uk HQ: Newport, United KingdomReported employees: 51-200 | Newport, United Kingdom | 51-200 | Exact match | 134 contacts → |
“Award winning accountants & tax advisors based in Newport, South Wales.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Accounts And Legalaccountsandlegal.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 133 contacts → |
“Traditional accountants do a great job of the numbers, but that's often as far as the service goes.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | David Allendavid-allen.co.uk HQ: Carlisle, United KingdomReported employees: 51-200 | Carlisle, United Kingdom | 51-200 | Exact match | 123 contacts → |
“David Allen was established in 1997 and now has a team of over 150 dedicated professionals working from our offices based in Carlisle, Dalston, Dumfries, Penrith and Workington.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Ellacotts Accountantsellacotts.co.uk HQ: Banbury, United KingdomReported employees: 51-200 | Banbury, United Kingdom | 51-200 | Exact match | 120 contacts → |
“Ellacotts is one of the largest independent accounting and business advisory firms in the UK and is ranked as a Top 100 Accountancy Firm by Accountancy Age.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Intelligent Outsourcingintelligentoutsourcing.co.uk HQ: Tunbridge Wells, United KingdomReported employees: 51-200 | Tunbridge Wells, United Kingdom | 51-200 | Exact match | 118 contacts → |
“Intelligent Outsourcing (iO) is an offshoring company in the Philippines dedicated to supporting UK accounting practices.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Alliotts LLPalliotts.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 114 contacts → |
“Alliotts LLP is based in London and Guildford.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Initor Global UKinitor-global.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 108 contacts → |
“As attention turns to the new fiscal year, accountants across the UK are finalising plans to boost growth and productivity and improve profitability.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Debitamdebitam.com HQ: 42-44 Bishopsgate, United KingdomReported employees: 51-200 | 42-44 Bishopsgate, United Kingdom | 51-200 | Exact match | 104 contacts → |
“Online Accounting Service | Bookkeeping | Payroll | Personal Tax Return Filing to HMRC | Corporation Tax Filing | HMRC ONLINE FILING: Our aim is to help small business owners` tax…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | SJD Accountancycaroola.com HQ: Hemel Hempstead, United KingdomReported employees: 501-1,000 | Hemel Hempstead, United Kingdom | 501-1,000 | Exact match | 102 contacts → |
“SJD is now Caroola Accountancy!” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,686 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Accounting and tax outsourcing companies: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
5,621 records in the displayed employee bands.
65 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 25.0dCompany record updated
Median 88.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Accounting and tax outsourcing companies by metro
- Accounting and tax outsourcing companies in London1107
- Accounting and tax outsourcing companies in Manchester113
- Accounting and tax outsourcing companies in Birmingham86
- Accounting and tax outsourcing companies in Bristol69
- Accounting and tax outsourcing companies in Leeds53
- Accounting and tax outsourcing companies in Glasgow51
- Accounting and tax outsourcing companies in Leicester43
- Accounting and tax outsourcing companies in Harrow41
- Accounting and tax outsourcing companies in Liverpool41
- Accounting and tax outsourcing companies in Nottingham41
- Accounting and tax outsourcing companies in Milton Keynes38
- Accounting and tax outsourcing companies in Sheffield34
- Accounting and tax outsourcing companies in Edinburgh32
- Accounting and tax outsourcing companies in Coventry30
- Accounting and tax outsourcing companies in Norwich27
- Accounting and tax outsourcing companies in Croydon26
- Accounting and tax outsourcing companies in Southampton26
Questions about this company list
What does Exact match mean for accounting and tax outsourcing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many accounting and tax outsourcing companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 5,686 matching company records, 42,215 tracked contacts and 16,341 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Accounting and tax outsourcing companies by geography
- Accounting and tax outsourcing companies based in the United States
- Accounting and tax outsourcing companies based in Brazil
- Accounting and tax outsourcing companies based in Canada
- Accounting and tax outsourcing companies based in Germany
- Accounting and tax outsourcing companies based in Australia
- Accounting and tax outsourcing companies based in the Netherlands
- Accounting and tax outsourcing companies based in Italy
- Accounting and tax outsourcing companies based in France
- Accounting and tax outsourcing companies based in South Africa
- Accounting and tax outsourcing companies based in Poland
- Accounting and tax outsourcing companies based in Belgium
- Accounting and tax outsourcing companies based in Spain
Cite this list
RevenueBase Data Team. Top 25 accounting and tax outsourcing companies based in the United Kingdom. Snapshot: September 22, 2026. https://revenuebase.ai/companies/accounting-and-tax-outsourcing-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Accounting and tax outsourcing companies based in the United States
- Accounting and tax outsourcing companies based in Brazil
- Accounting and tax outsourcing companies based in Canada
- Accounting and tax outsourcing companies based in Germany
- Accounting and tax outsourcing companies based in Australia
- Accounting and tax outsourcing companies based in the Netherlands