Prem Sikka is Emeritus Professor of Accounting at the University of Sheffield and at the University of Essex. Since October 2020, he has been a member of the UK House of Lords.

Sikka is a co-founder of the Tax Justice Network and has served as a Senior Adviser to it since its establishment in 2002. Through this he became involved in politics, briefing the Socialist Campaign Group before becoming involved in policy development for Jeremy Corbyn and John McDonnell during their time as Labour Party leader and Shadow Chancellor of the Exchequer respectively, working on issues related to tax, corporate governance and executive pay.

His research on accountancy, auditing, tax avoidance, tax havens, corporate governance, money laundering, insolvency and business affairs has been published in books, international scholarly journals, newspapers and magazines. He has appeared on radio and television programmes to comment on business matters. Prem has advised parliamentary committees and also provided oral evidence to various parliamentary committees.