Sunday Times Rich List: Founders of Sheffield firm Twinkl now worth £681m after bumper year

The founders of Sheffield educational resources platform Twinkl have added £195m to their wealth in the last 12 months.

Jon and Susie Seaton are the richest people in Sheffield, worth £681m, according to the Sunday Times Rich List 2026.

Their company boomed during the pandemic and has continued to thrive in a digital-first education environment.

With millions of users in classrooms worldwide, they are the 8th richest people in Yorkshire.

Lord Kirkham and family, of Doncaster, are worth £1.14bn. They are the second richest in Yorkshire.

The founder of DFS, Lord Kirkham, maintains his fortune at over a billion pounds. While no longer directly involved in the day-to-day business, his legacy in revolutionising British furniture retail remains a cornerstone of his family's continued financial standing.

Malcolm Healey and Family are worth £901m, earning money from Wren Kitchens and based in East Yorkshire.

His brother Eddie built Sheffield's Meadowhall Shopping Centre, the largest shopping centre in Yorkshire, and currently the 12th-largest in the UK.

Barnsley-born entrepreneur Paul Sykes is worth £775m. A property developer, he built Meadowhall with Eddie Healey and sold it in 1999, for £1.17 billion. The Sunday Times says he is seventh richest in Yorkshire.

The full list of the wealthiest 350 individuals and families in the country is published online at https://www.thetimes.com/sunday-times-rich-list