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IAPA is a leading global association of independent accounting, audit, tax, legal, advisory, financial, immigration and technology services firms that aims to support its members in providing their clients with a diverse range of professional, comprehensive and cost-effective business solutions, regardless of sector or location.

Success in a global market comes from local knowledge. The international reach of IAPA member firms offers instant access to first-hand knowledge of local regulations, culture and customs - removing potential cross-border uncertainties and increasing the opportunities for real business development.

Key to IAPA's success is the value placed on personal service offering effective, sustainable business solutions at an individual level, as well as the strength of support between global members.


Established in 1979, IAPA comprises over 185 member firms with offices in over 70 countries. Based on the total fee income of its membership:

  • IAPA ranks in the Top 9 of associations of Independent accountancy firms
  • IAPA ranks as No. 2 association of independent accounting firms in the UK
  • IAPA ranks as No. 6 association of independent accounting firms in Europe

Our members firms

Each IAPA member is an independent firm controlled or owned by individuals holding internationally recognised accountancy qualifications. Admission to IAPA is subject to rigorous eligibility criteria and in joining the association every member firm commits to maintaining IAPA's high standards of professionalism and integrity.

How IAPA can help your clients

If you are seeking accountancy or legal services or business advice - whether in your own domestic market or further afield - or if you are interested in entering new markets or expanding in existing ones, simply contact an IAPA member firm and they will be able to assist.

IAPA affiliations

IAPA has close relations with IFAC, The International Federation of Accountants and is a member of EGIAN, The European Group of International Networks and Associations. IFAC contributes to high-quality international standards and guidance, helps build strong professional accountancy organizations and accounting firms, and supports high-quality practices by professional accountants.

EGIAN’s membership is made up of more than 20 truly global organisations which offer audit, accounting and business advisory services.

EGIAN provides a forum for the members to develop common positions on specific technical and legislative issues and to debate these issues with key professional stakeholders and regulators such as The European Union, CESR (The Committee of European Securities Regulators), FEE (The Federation of European Accountants) and IFAC (The International Federation of Accountants).

LawyersAccountants.com captures the professional and personal relationships developed at the cost of billions of dollars by networks and distils them into one convenient website. It creates transparent access to the expertise of 500,000 professionals within 75 networks in 160 countries. The site incorporates artificial intelligence to select products and services directly associated with the legal or accounting matter.

The Union of International Associations (UIA) is a research institute and documentation centre, based in Brussels. Non-profit, apolitical, independent, and non-governmental in nature, UIA has been a pioneer in the research, monitoring and provision of information on international organisations, international associations and their global challenges since 1907.