John Ahern


John Ahern is a leader in UK financial services law and regulation and has extensive experience in the markets in the UK and Europe. He advises on a range of regulatory issues in the wholesale and private banking sector where he has developed considerable knowledge over many years in private practice and as in-house counsel for eight years at a global investment bank. John advises multilateral trading facilities, broker-dealers, and banks on trading, clearing, and settlement as well as custody of securities (both physical and dematerialized). He has a particular focus on regulatory capital and advises a number of banks and other authorized firms on the requirements and implications of the prudential regime.

John routinely assists clients in navigating the regulatory system to ensure compliance with regulatory obligations and to document a range of customer relationships, including the preparation of client agreements, terms of business inter group arrangements, and compliance documentation.

John has spent his entire career involved with the regulation of banking and financial services in the U.K., Europe, and internationally. He has a deep understanding of the regulatory framework for the financial markets in the UK and Europe. He is cited as a leading practitioner in the Legal 500 and Chambers directories.

John is a frequent speaker at seminars and conferences and has written a number of articles for well-respected publications on regulation in the financial services sector.

Lexis PSL Financial Services

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Areas of Practice

Financial Services