Coates set up the Bet365 Foundation in August 2012. In February 2024 it was renamed Denise Coates Foundation. It is a registered charity under English law and it donated 100 million to twenty UK charities as of 2014. In 2024 the charity donated 1 million to help families in Ukraine.

In 2024, a report from The Times claimed that the Coates family is worth a huge 8.637billion, which is said to have been a 189 million increase on their value from the year before.