The UK investment management industry recorded an 11% growth in assets under management (AUM) to reach a new peak of £11.1trn in 2025 (£10trn, 2024), according to latest figures from the Investment Association (IA).
The 11% increase in AUM marks a second consecutive year of double-digit growth, with momentum accelerating in 2025 and total UK-managed assets surpassing £11trn for the first time, highlighting the globally competitive nature of the UK industry and increase in money invested by UK savers and institutions.
Assets managed in the UK on behalf of overseas clients rose by 15% year-on-year to £5.9trn, accounting for 53% of total AUM, compared with 37% in 2016.
Growth in the assets managed on behalf of overseas clients was recorded across almost every major region in 2025. Europe remained the largest source of overseas client assets, rising from £3trn to £3.5trn and accounting for 59% of the overseas total. Assets managed for North American clients came in second, exceeding £1trn for the first time, increasing from £990bn to £1.1trn.
Asia-Pacific recorded the strongest growth among the major regions, with assets rising by 19% year-on-year, from £740bn to £880bn. The region remained the third-largest source of overseas client assets, accounting for 15% of the total. Assets managed on behalf of Middle Eastern clients continued to grow steadily, reaching £330bn and accounting for 6% of overseas client assets.
Assets managed for UK clients have increased by 46% over the past decade, rising from £3.6trn in 2015 to £5.2trn.
John Owen, CEO of the IA, said: “Reaching a record £11.1trn in AUM is a significant achievement and demonstrates the continued competitiveness of the UK investment management industry against a backdrop of geopolitical tension and market volatility. This sustained and widespread growth reflects the UK’s enduring strengths as a global financial centre, including its deep capital markets, highly skilled workforce and established international distribution networks.
“Our industry is both a major international success story and at the heart of the UK’s economic growth engine, mobilising the capital that businesses and infrastructure in this country need to grow. Through the Invest for the Future campaign, investment managers are also playing a vital role in helping millions of Brits build and strengthen their financial futures.
“Maintaining a stable, proportionate and internationally competitive policy, regulatory and tax environment will be essential to preserving these strengths and attracting long-term investment to the UK.”
