The 50 richest people in the UK

Michael Platt’s net worth is about US$20.9bn, according to Forbes’ estimate captured on 12 September 2026.

Michael Platt, from Preston, studied mathematics and economics at the London School of Economics. He joined JP Morgan in 1991 and later ran its swaps trading for the euro’s 11 founding members. In 2000 he co-founded BlueCrest Capital Management with William Reeves, another JP Morgan trader.

In 2015 Platt said BlueCrest would return $7 billion to outside investors. It now manages his and his partners’ wealth, using significant leverage, Hedgeweek reports. He moved from London to Geneva in 2010 and was reported in 2014 to have relocated to Jersey.

Nik Storonsky’s net worth is about US$18.8bn, according to Forbes’ estimate captured on 12 September 2026.

Nik Storonsky traded equity derivatives in London at Lehman Brothers and then Credit Suisse. Prompted by fees he paid while travelling, he founded Revolut in 2013 with about £300,000 of his savings. The app launched in July 2015.

Revolut, still privately held, won a full UK banking licence in March 2026. Storonsky, its chief executive, holds a 29% stake, Sifted reports. A 2025 filing listed him as resident in the UAE; later records put him back in the UK, The Telegraph reported in January 2026.

James Ratcliffe’s net worth is about US$18.1bn, according to Forbes’ estimate captured on 12 September 2026.

James (Jim) Ratcliffe, a chemical engineer, worked at Esso, Courtaulds and Advent International. In 1998 he formed INEOS to buy a former BP site in Antwerp for £84 million. Using high-yield debt, he then bought unwanted operations from ICI, BP and others.

INEOS remains privately owned and says it runs 148 sites in 26 countries. Ratcliffe, its chairman, holds a controlling interest alongside co-owners Andy Currie and John Reece. He also owns a minority stake in Manchester United and moved his tax residence to Monaco in 2020.

James Dyson’s net worth is about US$15.1bn, according to Forbes’ estimate captured on 12 September 2026.

James Dyson began developing a bagless vacuum cleaner based on cyclonic separation in the late 1970s. The first model went on sale in Japan in 1983. When major manufacturers rejected it, he set up his own company, opening a Malmesbury factory in 1993.

The company, now based in Singapore, also makes hair dryers, fans and air purifiers. It is owned by the Dyson family’s Weybourne group and had revenue of £6.13 billion in 2025. Dyson was reported in 2021 to have moved his residence back to Britain.

Igor Bukhman’s net worth is about US$13.6bn, according to Forbes’ estimate captured on 12 September 2026.

Igor Bukhman was studying applied mathematics in Vologda in 2001 when a professor told him software could be sold online. He began writing games with his younger brother, Dmitri; the first earned $60 in its first month. The brothers formally founded Playrix in 2004.

Playrix, based in Dublin, makes free-to-play mobile games such as Township and is owned and run by the brothers. Igor is also a non-executive director of GDEV, a Nasdaq-listed games developer. He has lived in London since 2020 and became a British citizen in 2025.

Dmitri Bukhman’s net worth is about US$13.6bn, according to Forbes’ estimate captured on 12 September 2026.

Dmitri Bukhman was still in high school in Vologda when he and his elder brother, Igor, began selling games online in 2001. By 2004 they earned $10,000 a month and founded Playrix, which made $300,000 a month by 2007.

Dmitri has called the shift to free-to-play mobile games a major challenge. Playrix, based in Dublin since 2013, remains owned by the brothers, who also launched the Rix Capital family fund in 2021. Dmitri moved to London in 2020 and became a British citizen in 2025.

Simon Reuben’s net worth is about US$13.4bn, according to Forbes’ estimate captured on 12 September 2026.

Simon Reuben was born in Bombay and came to London with his mother and elder brother, David, in the 1950s. He started out in carpets, buying J. Holdsworth & Co, England’s oldest carpet company, from its receivers. Its profits funded his first property investments, in Chelsea.

The brothers later traded metals, including in Russia in the 1990s, before concentrating on property. Their Reuben Brothers group owns property in Britain, Europe and the US, including London’s Burlington Arcade. Simon has lived in Monaco for about 40 years, Fortune reports.

David Reuben’s net worth is about US$13.4bn, according to Forbes’ estimate captured on 12 September 2026.

David Reuben, the elder brother, started in scrap metal after the family moved from Bombay to London. He had been buying aluminium from the Soviet state since the late 1970s. The brothers’ Trans-World group traded Russian aluminium in the 1990s and sold most of those holdings in 2000.

Reuben Brothers owns Arena Racing Company, Britain’s largest horse and greyhound racing group, as well as London Oxford Airport and a stake in Newcastle United. David moved from London to Monaco in summer 2026, a spokesman for the brothers confirmed.

Alexander Gerko’s net worth is about US$12bn, according to Forbes’ estimate captured on 12 September 2026.

Alexander Gerko studied mathematics at Moscow State University and traded equities and then currencies at Deutsche Bank. He moved to the UK in 2006 and joined the hedge fund GSA Capital in 2009. In 2015 he founded XTX Markets, a London-based algorithmic trading firm.

XTX uses machine learning to forecast prices for more than 53,000 financial instruments and trades on those forecasts. Gerko, its co-chief executive, is the majority shareholder, Bloomberg reports. He became a British citizen in 2016 and renounced his Russian citizenship in 2022.

Christopher Hohn’s net worth is about US$11.8bn, according to Forbes’ estimate captured on 12 September 2026.

Christopher Hohn studied accounting at the University of Southampton and took an MBA at Harvard Business School. He then worked at Apax Partners and the hedge fund Perry Capital, running its London operations from 1998. In 2003 he founded his own firm, TCI Fund Management.

TCI describes its fund as highly concentrated and long term, using activism when appropriate. It manages close to $80 billion, and Hohn pays himself dividends from the firm, Hedgeweek reports. Its early profits partly funded the Children’s Investment Fund Foundation, which he co-founded.