Professional & Regulatory Bodies
A curated directory of the professional institutes, tax authorities and regulators that shape accountancy, audit and taxation in the UK — with official links and a plain-English note on what each one does.
Professional Accountancy Bodies — UK & Ireland
7 bodiesThe institutes that qualify and regulate accountants across the UK and Ireland.
Institute of Chartered Accountants in England and Wales
ICAEW
A leading global chartered accountancy body — awarding the ACA qualification and regulating chartered accountants and audit firms in England and Wales.
Official websiteAssociation of Chartered Certified Accountants
ACCA
A global professional accountancy body offering the ACCA qualification in accounting, audit and finance, with a large UK membership.
Official websiteChartered Institute of Management Accountants
CIMA
Awards the CGMA designation and specialises in management accounting, business strategy and financial management.
Official websiteInstitute of Chartered Accountants of Scotland
ICAS
The professional body for chartered accountants (CA) in Scotland — the world's first professional accountancy body.
Official websiteChartered Institute of Public Finance and Accountancy
CIPFA
The professional body for people in public finance — accountancy and financial management across the public sector.
Official websiteAssociation of Accounting Technicians
AAT
The UK's leading qualification and membership body for accounting technicians and bookkeepers.
Official websiteChartered Accountants Ireland
CAI
The largest professional accountancy body on the island of Ireland, operating across the Republic of Ireland and Northern Ireland.
Official websiteTaxation Bodies
2 bodiesThe professional bodies for tax advisers and technicians.
Chartered Institute of Taxation
CIOT
The leading professional body for chartered tax advisers (CTA) in the UK, setting standards across tax advice and compliance.
Official websiteAssociation of Taxation Technicians
ATT
The UK body for tax compliance professionals, awarding the ATT qualification in personal and business taxation.
Official websiteTax & Revenue
2 bodiesThe UK's tax administration and tax appeals.
HM Revenue & Customs
HMRC
The UK's tax authority — administering income tax, VAT, corporation tax, PAYE and National Insurance, and running Making Tax Digital.
Official websiteFirst-tier Tribunal (Tax Chamber)
FTT Tax
The independent tribunal that hears appeals against HMRC decisions on income tax, VAT, corporation tax and other taxes.
Official websiteCorporate, Company & Financial Reporting
3 bodiesCompany registration, accounting standards and insolvency.
Companies House
Companies House
The UK registrar of companies — incorporating and dissolving companies and holding the public register of accounts and filings.
Official websiteFinancial Reporting Council
FRC
The UK regulator for auditors, accountants and actuaries — setting accounting, auditing and corporate-governance standards (successor body: ARGA).
Official websiteThe Insolvency Service
Insolvency Service
The government agency dealing with insolvency, bankruptcy, company liquidations and director disqualifications.
Official websiteFinancial Services & Capital Markets
3 bodiesFinancial-conduct regulation and the securities market.
Financial Conduct Authority
FCA
The conduct regulator for financial-services firms and markets in the UK, protecting consumers and market integrity.
Official websitePrudential Regulation Authority
PRA
Part of the Bank of England — prudentially regulates banks, building societies, insurers and major investment firms.
Official websiteLondon Stock Exchange
LSE
The UK's principal securities exchange, where listed company shares, bonds and other instruments are traded.
Official websiteBanking & Monetary
1 bodyThe UK's central bank.
Data & Information
1 bodyData protection and freedom of information.
Business, Trade & Advocacy Bodies
4 bodiesChambers of commerce and business representative bodies.
British Chambers of Commerce
BCC
The national body for the UK's accredited network of chambers of commerce, representing businesses on policy and trade.
Official websiteFederation of Small Businesses
FSB
The UK's largest membership body for small firms and the self-employed, offering advocacy, advice and business support.
Official websiteConfederation of British Industry
CBI
A leading business organisation speaking for UK employers on economic, tax and corporate policy.
Official websiteInstitute of Directors
IoD
The professional body for company directors, offering governance guidance, training and advocacy.
Official websiteAbout this directory. AOPA maintains this list of 23 professional, tax and regulatory bodies as a reference for practising accountants across the UK. Links open each body's official website. AOPA is an independent association and is not affiliated with, nor does it represent, the bodies listed here — please verify current requirements on the official sites.