A new report from Grant Thornton UK found that Surrey’s top 100 privately-owned businesses collectively generated £13 billion in turnover throughout 2025 – a 5% increase on 2024. Employment also saw a 12% increase, with 55,000 people working for these firms.
The report, ‘Surrey LTD’, forms part of a nationwide series that celebrates the achievements of privately owned businesses across UK counties. Despite a challenging economic backdrop, it reveals that Surrey’s business community continues to thrive.
Average remuneration across the county rose by 4.5% to £50,000, which is significantly higher than the national benchmark, underscoring the region’s commitment to rewarding talent and driving growth.
Surrey’s economic strength is underpinned by diverse sectors:
- Real estate and construction remain a cornerstone, contributing £4 billion in turnover
- Manufacturing and industrial follow closely at £3.5 billion
- Business support services (BSS) saw exceptional growth, with turnover up 27.9% and EBITDA surging by 69.6%
- Private healthcare recorded an extraordinary 537.8% increase in EBITDA, highlighting innovation and operational excellence
International connectivity also plays a pivotal role in the region’s growth ambitions, with the 25 largest subsidiaries of internationally owned companies delivering £62.5 billion in turnover across 2025. Ownership spanned the USA, Germany, South Korea and Japan, affirming Surrey’s position as a gateway for global investment.
From a local perspective, Guildford leads with the highest concentration of top 100 companies (12%), followed by Woking (7%). Leatherhead stands out with the highest total business turnover of any Surrey town, reaching £2.5 billion.
David Willott, tax partner at Grant Thornton UK, said: “Surrey’s businesses have shown incredible resilience in the face of economic uncertainty.
“The ability to maintain strong turnover while continuing to invest in people demonstrates a long-term commitment to growth. With international connectivity and sector diversity, Surrey is well-positioned to seize further opportunities in 2026 and beyond.”
Jon Oakey, audit partner at Grant Thornton UK, added: “The data tells a compelling story of adaptability and ambition. From the surge in business support services to the strength of manufacturing and real estate, Surrey’s private sector is driving regional prosperity. These results highlight a foundation for sustainable growth and innovation in the years ahead.”
Looking to the future, the county boasts a thriving innovation corridor, linking leading universities with high-growth businesses to drive research, technology and skills development.
At the same time, Surrey’s reputation for green initiatives and sustainable development is growing, with businesses investing in low-carbon solutions and environmentally responsible practices – positioning the region as a leader in the UK’s transition to a greener economy.