The trio’s wealth for 2018 was reportedly £5.75bn ($7.57bn), with their tax bill reaching £156m for 2017-18.
Number one on the list were Stephen Rubin and family, who generated their wealth in the sportswear business and paid £181.6m in tax, with a 2018 wealth of £2.82bn.
One place behind the Coates family were Sir James Dyson and family, who operate in the household goods and technology sector; their 2018 wealth stood at £9.5bn, yet they paid £127.8m in tax for 2017-18.
The Coates family owns over 93% of Bet365, which paid UK corporation tax of £26.9m and awarded the family an £84m dividend in 2018.