The richest billionaires in the UK right now have been named, as well as their staggering net worth in May 2025.
Using Forbes’ real-time billionaire list, which tracks the net worth of the world’s wealthiest people each day, we’ve rounded up the 10 richest British billionaires from the list - as of the close of the trading day on May 1.
Topping the worldwide list is Elon Musk, with a current net worth of $387.9bn , followed by Amazon founder Jeff Bezos and Mark Zuckerberg, co-founder and CEO of Meta.
But who are the richest billionaires in the UK as we head into May? Here are the top 10 wealthiest people in the UK according to Forbes, their current net worth and their rank in the world’s rich list.
1. Michael Platt - $18.8bn
Topping the UK's rich list is Michael Platt, the co-founder and CEO of hedge fund firm BlueCrest Capital Management, based in London (offices pictured). The 56-year-old started the firm in 2000 after nearly a decade at JP Morgan, and has built it into one of the world's largest hedge fund firms. World rank - #108 | Google
2. Sir James Ratcliffe - $16.6bn
Sir James Ratcliffe, pictured centre, is the founder and majority owner of chemical company Ineos Group. The London-based firm has become one of the biggest powerhouses in the UK's shale sector, and acquired two chemicals businesses from BP in 2021. Sir James, 71, also has a 28% stake in Manchester United. World rank - #131 | Stu Forster/Getty Images
3. Sir James Dyson - $15bn
Sir James Dyson founded his vacuum cleaner company in 1991, and it now employs more than 5,000 engineers around the world. The 77-year-old, who resides in Gloucestershire, was knighted in the 2007 New Year Honours for his services to business. World rank - #153 | Sebastian Reuter/Getty Images for Dyson
4. David Reuben - $13.1bn
British brothers David and Simon Reuben built their fortune in property and technology. In 2016, they sold 49% of their data center business, GlobalSwitch, to Chinese investors for nearly $3billion. The brothers were born in Mumbai and raised in the UK, and David, 86, started out trading metals. World rank - #186 | Adobe Stock