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Top Accounting Firms in the UK

135 of 402 accounting firms ranked on evidence in the Q4 2026 edition.

TrustList ranking

Q4 2026 edition

135 of 402 accounting firms ranked on evidence held on 9 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

How this is ranked About this edition

All accounting firms 135 ranked SMEs 132 ranked

The SME ranking on this page lists 396 small and medium-sized firms, and 77 of them earned a rank number. Five businesses known to be large are left out. The SME order does not reward age, so newer practices compete on evidence alone. See the SME ranking

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BEC
BEC is a profit-for-purpose property developer working in West Cumbria, where it has been active for more than 35 years.
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Why #48 (shared): Based in West Cumbria, England · In business 35+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Contract Scotland
Contract Scotland is a technical and professional recruitment consultancy that has spent more than three decades filling roles in Scotland.
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Why #48 (shared): Based in Scotland · In business 35+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Legal Maxims Group
Legal Maxims Group is a law and corporate services firm founded in India in 1992, with direct offices in the UAE, the UK and India.
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Why #51 (shared): Office in United Kingdom · Founded 1992, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Helen Nicholas Accounting Solutions
Helen Nicolas Accounting Solutions, known as HNAS, is an accountancy firm in Potters Bar.
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Why #51 (shared): Based in Potters Bar, Hertfordshire, England · Founded 1992, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Accountability
Tax · Legal
Accountability is an accounting firm based in Southampton, set up in 1992 to give small and medium businesses close personal attention.
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Why #51 (shared): Based in Southampton, UK · Founded 1992, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Green & Peter
Tax · Accounting · Property · Also in Whetstone
Green & Peter is a firm of chartered accountants in Whetstone, north London. It was set up in 1993 when Robert Green and Derek Peter joined forces after years in industry.
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Why #54: Based in Whetstone, London · Founded 1993, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Alex Parker
Tax · Insurance
Alex Parker is an accountancy and tax practice led by its founder, who qualified as a Chartered Certified Accountant in 1988 and a Chartered Tax Advisor in 1990.
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Why #55: Based in Lymm, Cheshire, United Kingdom · Founded 1994 · Family-run, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Diacron Group Switzerland
Partnership · Outsourcing · Also in Pierre
Diacron Group Switzerland belongs to Diacron, an international group that helps Italian businesses set up and run operations abroad.
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Why #56 (shared): Address in United Kingdom · Founded 1995, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
K2 Management Solutions
Nottingham accountancy group offering bookkeeping, payroll, management accounting, tax and virtual finance director support
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Why #56 (shared): Based in Nottingham · Founded 1995 · Owner-managed, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Brookson One
Brookson One provides accounting, payroll, legal and financial services built around UK contractors.
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Why #58 (shared): Based in United Kingdom · In business 30+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
HA
Hanley and Co Chartered Accountants Blackpool
Self Assessment · Business Services · Tax
Hanley and Co Chartered Accountants Blackpool is an accountancy practice serving Blackpool, the Fylde Coast and wider Lancashire.
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Why #58 (shared): Based in Blackpool, Lancashire · In business 30+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Butlers Chartered Accountants
Accounting
Butlers Chartered Accountants is a small practice in Knaphill, near Woking in Surrey, run by John Butler FCA.
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Why #58 (shared): Based in Knaphill, Woking, UK · In business 30+ years · Small practice, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Elkingtons Certified Accountants
Accounting · Also in Mansfield and Nottingham
Elkingtons Certified Accountants is a family-run accountancy practice in Hucknall, Nottinghamshire.
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Why #58 (shared): Based in Hucknall, Nottinghamshire · In business 30+ years · Family-run, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Guest & Co
Tax · Accounting · Creative · Also in China
Guest & Co is a firm of tax advisers, accountants and business advisers in Manchester's Chinatown.
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Why #58 (shared): Based in Manchester city centre · In business 30+ years, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Gore and Company
Video · Administration · Also in England and Reading
Gore and Company is a firm of chartered accountants and licensed insolvency practitioners.
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Why #58 (shared): Office in United Kingdom · In business 30+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
A & N Chartered Accountants
A & N Chartered Accountants is a firm of chartered accountants and registered auditors in Haslemere, Surrey.
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Why #58 (shared): Based in Haslemere, Surrey, England · In business 30+ years · Owner-managed, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
HJP Chartered Accountants
Tax · Accounting
HJP Chartered Accountants is an accountancy practice serving independent businesses in Hertfordshire and further afield.
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Why #58 (shared): Based in Hertfordshire · In business 30+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Holdsworth Accountants
Holdsworth Accountants is an accountancy practice in Sheffield, England, and a member firm of the Association of Chartered Certified Accountants.
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Why #58 (shared): Based in Sheffield, England · Founded 1996, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Black Mountain
Cloud · Outsourcing · Security · Also in Hong Kong
Black Mountain runs payroll, HR and employee-benefits services for companies that employ people in more than one country.
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Why #58 (shared): Office in United Kingdom · In business 30+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Goers & Maunder
Tax · Accounting · Video · Also in Epsom
Goers & Maunder is an accounting and taxation practice in central Victoria, founded in 1998 by Eckhard Goers and Jeffrey Maunder.
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Why #68: Based in Epsom, Bendigo and Castlemaine, Victoria · Founded 1998, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Connies Financial Services Ltd
Connies Financial Services Ltd is an accounting firm in Oxford, NS, run by professional accountants with 27 years of experience.
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Why #69: Based in Oxford, NS · In business 27+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Leenane Templeton
Tax · Accounting · simple · Also in Brisbane and Newcastle
Leenane Templeton is an accounting and financial advisory firm based in Newcastle. It combines tax and accounting work with financial planning, superannuation and business advice.
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Why #70 (shared): Based in Newcastle · In business 25+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Caldwell Penn Chartered Accountants
Tax · Accounting · Queries · Also in Farnham and Guildford
Caldwell Penn Chartered Accountants is a firm of chartered accountants and tax advisers with offices in Central London, Guildford and Farnham.
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Why #70 (shared): Based in Central London, Guildford and Farnham · In business 25+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
AACSL Accountants
Tax · Accounting · Legal
AACSL Accountants is a UK accounting practice that looks after the bookkeeping, payroll and statutory paperwork of small and medium-sized organisations.
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Why #70 (shared): Based in Harlow, Essex · In business 25+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

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Top Accounting Firms in the UK

BEC

Contract Scotland

Legal Maxims Group

Helen Nicholas Accounting Solutions

Accountability

Green & Peter

Alex Parker

Diacron Group Switzerland

K2 Management Solutions

Brookson One

Hanley and Co Chartered Accountants Blackpool

Butlers Chartered Accountants

Elkingtons Certified Accountants

Guest & Co

Gore and Company

A & N Chartered Accountants

HJP Chartered Accountants

Holdsworth Accountants

Black Mountain

Goers & Maunder

Connies Financial Services Ltd

Leenane Templeton

Caldwell Penn Chartered Accountants

AACSL Accountants

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