14 Best Active Debt Financing Investors in UK in 2025
The tech ecosystem in UK has shown resiliency in spite of the crisis. To celebrate that, we compiled a list of the top investors in UK, showcasing those who've demonstrated exceptional acumen, vision, and commitment to fostering innovation in the region.
This list is the result of tracking investment activity across +2,500 venture capital investors in Europe, and only includes funds that have invested in at least 5 startups in UK in the past 12 months (not just investors with offices in UK). Whether you're a budding entrepreneur seeking the right funding partner, an investor looking for co-investment opportunities, or simply curious about the financial powerhouses investing in UK, this list provides invaluable insights into the region.
Last update to the database: Oct 7, 2025. See changelog.
Investor Rankings are calculated using our Seedtable Score – a 1 to 100 score that uses quantitative and qualitative data points (like the size of their fund or the quality of the companies they invested in) to signal the strength behind an investor. A score closer to 100 indicates an investor is worth watching closely.
Seedtable Raise
DownloadSeedtable Raise includes a comprehensive database of 3,000+ active European and global investors.
List of 14 top UK VCs
A European venture capital firm investing in technology companies.
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in UK:
No data available
A European venture capital firm investing in technology companies.
Offices:
London (HQ)
Stockholm
New York
London (HQ)
Stockholm
New York
Investment Stage:
Debt Financing, Pre Seed, Seed, Series A, Series B, Series C, Series D, Series E, Series F, Series G, Series H, Unknown
Check Size:
$100k - $1B
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in UK:
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in UK:
No data available
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in UK:
No data available
Offices:
London (HQ)
New York
London (HQ)
New York
London (HQ)
New York
Investment Stage:
Debt Financing, Pre Seed, Seed, Series A, Series B, Series C, Series D, Unknown
Check Size:
$100k - $250M
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in UK:
Stride.VC is a venture capital firm investing in early-stage companies in the United Kingdom and France.
Offices:
London (HQ)
Investment Stage:
Debt Financing, Pre Seed, Seed, Series A, Series B, Unknown
Check Size:
$100k - $100M
Industries:
Health Tech, Edtech, FinTech
Top investments in UK:
A venture capital firm in London that focuses on technologies.
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in UK:
No data available
A venture capital firm in London that focuses on technologies.
Offices:
London (HQ)
London (HQ)
Investment Stage:
Debt Financing, Pre Seed, Seed, Series A, Series B, Series C, Series D, Series E, Series F, Unknown
Check Size:
$100k - $500M
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in UK:
Quilam Capital is a venture capital fund in London, supporting businesses at various growth stages with flexible funding options, including series B, D, and debt financing. They focus on sectors such as fintech, payments, climate tech, green tech, and ecommerce. Notable investments include Updraft, Tandem, Raylo, and ThinCats. Quilam Capital aims to help businesses expand and succeed with tailored financial solutions.
Offices:
London (HQ)
Investment Stage:
Debt Financing, Series B, Series D, Unknown
Check Size:
$100k - $1B
Industries:
Climate Tech & Green Tech, FinTech, Payments
Top investments in UK:
Nauta Capital is a London-based company founded in 2004 that invests in early-stage technology companies
Offices:
London (HQ)
Barcelona
Berlin
Investment Stage:
Debt Financing, Pre Seed, Seed, Series A, Series B, Unknown
Check Size:
$100k - $30M
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in UK:
Triple Point Ventures is a wealth management company.
Offices:
London (HQ)
Investment Stage:
Debt Financing, Pre Seed, Seed, Series A, Series B, Unknown
Check Size:
$100k - $250M
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in UK:
Mercia Asset Management is a venture capital fund based in London. They invest in businesses at various stages, from early startups to those seeking their first major round of funding, across industries such as tech, healthcare, and consumer goods. Notable investments include MIP Discovery, Laverock Therapeutics, and WorkBuzz. Mercia is committed to helping regional businesses grow and achieve their goals.
Offices:
London
Investment Stage:
Debt Financing, Pre Seed, Seed, Series A, Series B
Check Size:
$1M - $20M
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in UK:
Gresham House Ventures is a London-based venture capital fund that invests in growing businesses. They write checks between £1 million and £20 million, supporting industries like fintech and health tech. Over the past 12 years, they have made more than 100 investments, including Ozone API and eConsult Health. They focus on businesses ready to scale through various funding stages, aiming to help them reach their next level of growth and success.
Offices:
London (HQ)
Investment Stage:
Debt Financing, Seed, Series A, Series B, Unknown
Check Size:
$2.5M - $20M
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in UK:
BOOST&Co is a venture capital fund based in London, specializing in debt financing for growing businesses. They write checks between £2 million and £10 million, focusing on sectors like e-commerce, manufacturing, and fashion. Established in 2011, BOOST&Co helps companies grow without relinquishing ownership. As part of the Growth Lending Group, they have offices in key UK cities, Cape Town, and the Philippines. Notable investments include ACS Clothing. BOOST&Co manages over £500 million to support fast-growing companies.
Offices:
London
Investment Stage:
Debt Financing
Check Size:
$5M - $10M
Industries:
Fashion, Manufacturing, Ecommerce
Top investments in UK: