Investors could seek more than £100m in compensation from Entain’s failure to update them on issues with bribery and corruption at the group’s former Turkish operation.

The planned action, led by the legal firm Fox Williams, follows Entain’s agreement to pay almost £600m – one of the largest financial penalties ever imposed in the UK – in a deal with HM Revenue and Customs finalised in December 2023 after an investigation into alleged bribery.

The original HRMC investigation into Entain started in 2019 and was based around “potential corporate offending” at a Turkish subsidiary between 2011 and 2017 and was accused of “failing to have the correct procedures in place to stop people taking part in bribes that benefit the business.