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Since 1927 the leading authority on tax law, practice and administration

John Cassidy

John Cassidy is a partner in Crowe UK LLP. He can be contacted on 020 7842 7356 or by email at:


Dangerous delivery of documents

An important new penalty case.

The implications of the Panama papers for advisers and their clients.

The new penalties regime for offshore evasion

Misconceptions about tax investigations

The proposals for introducing the automatic exchange of information between UK sovereign tax havens and HMRC

HMRC's latest powers review consultation document is subject to examination by JOHN CASSIDY and PAUL CLARKE. Is the taxman putting his teeth back in?
JOHN CASSIDY comments on HMRC's use of intervention letters and the discovery provisions for those who did not use the offshore disclosure facility
HMRC is going after those offshore account holders who did not use the offshore disclosure facility. JOHN CASSIDY examines how the department will do this
JOHN CASSIDY considers what happens now that the offshore disclosure facility registration window has closed

PETER PENNEYCARD and JOHN CASSIDY look at some practical dilemmas for practitioners caused by the EU Savings Directive.

JOHN CASSIDY examines the parallels between a landmark pre-self-assessment tax investigation and the present day.
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