The tech and energy sectors have helped propel investment in the region
The West Country has become the fastest-growing investment market in Britain, new research has revealed. The region recorded the biggest percentage increase in equity investment of any area of the UK in 2025, driven by large tech and energy megadeals.
Investment into smaller businesses in the South West more than doubled to £687m last year – an increase of 104 per cent compared with 2024 – according to the British Business Bank’s Small Business Equity Tracker.
It comes despite a 13 per cent fall in the number of deals to 121, as investors concentrated capital into fewer, larger deals.
These included £187m raised by Bristol tech business The Smarter Web Company through nine deals in 2025, and two growth-stage rounds of £105m for Salisbury-based energy company Rockhopper Exploration and £100m for clean energy company Low Carbon, which has a presence in Bristol and Exeter.
The megadeals also doubled the South West’s share of UK equity investment from three per cent the year before to six per cent in 2025.
Across the rest of the UK, deal values fell overall by four per cent and volumes by 17 per cent.
Ed Tellwright, director for the South West at British Business Bank Local Growth Team, said: “Thanks to a handful of large deals the South West has bucked the national trend and seen the fastest equity growth in the UK. But the funding environment remains challenging, especially for seed stage and non-AI businesses.
“That’s why we remain committed to helping smaller businesses get the finance they need to start, scale and stay in the UK, and that includes activity concentrated at early stage where market declines have been most pronounced.”
Between 2023 and 2025, the British Business Bank supported 19 per cent of all equity deals in the South West and 11 per cent of total investment value.
Its £200m South West Investment Fund, launched in 2023 to boost the flow of capital to new and growing businesses, has helped fund more than 50 equity deals to date with some £37m of investment.
The number of South West spin-out businesses supported by the bank has also grown from less than five per cent between 2016 and 2020, to more than 25 per cent in the last five years.
This includes University of Bristol spin-out QLM Technology in Torbay which received £1m from the South West Investment Fund as part of a £3.5m round last year to support the development and commercial scaling of its advanced methane monitoring technology.
AI firms capture record investment
Nationally, the Small Business Equity Tracker showed that AI continues to reshape the UK’s startup economy, attracting a record share of investment in 2025 and driving larger deals.
AI companies accounted for 44 per cent of total equity investment into smaller businesses in 2025, the highest share on record. AI also represented more than a quarter (26 per cent) of all deals, nearly doubling its share since 2022. Investment in AI-related deals rose by 48 per cent year-on-year, highlighting strong investor appetite despite a broader market slowdown.
Investors also concentrated capital into fewer, larger transactions in 2025 with the UK’s top 10 fundraisings accounting for nearly a quarter (23 per cent) of all investment, the highest level since 2020. Equity investment into UK smaller businesses fell slightly, by four per cent to £12.3bn last year, however, investment remained above pre- pandemic levels.
While national growth-stage investment proved resilient, early-stage deals at seed and venture stages were lower. The digital and technologies sector remained the largest recipient of equity investment, while advanced manufacturing saw strong growth in investment value across the year. Meanwhile, investment in financial services and life sciences declined in 2025.






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