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§ Venture Capital · London, United Kingdom
UK venture capital fund that co-invests capital in early-stage high-growth businesses across diverse sectors with angel investors.
ACF Investors is a London-based venture capital fund that co-invests in early-stage businesses alongside experienced angel syndicates across the United Kingdom. The firm operates primarily with backing from the British Business Bank, deploying capital into high-growth enterprises spanning diverse sectors like software, deep technology, and healthcare. To date, the organization has directly invested more than £65 million into over 110 portfolio companies, leveraging an additional £300 million in syndicate co-investments. In 2021, the firm expanded its strategy by launching the £30 million Delta Fund to provide fast-track capital for larger funding rounds. The firm's historical portfolio and notable exits include recognizable technology and consumer brands such as Gousto, Ebury, Form3, City Pantry, and Creo Medical. ACF Investors was originally launched as the Angel CoFund in 2011 by founder and Managing Partner Tim Mills.
Key people at ACF Investors.
Key people at ACF Investors.
ACF Investors is a UK-based venture capital firm managing active co-investment funds, including the Angel CoFund and Delta Fund, with around £100 million under management. Their mission is to achieve consistent returns by partnering closely with experienced syndicates of sector-focused angel investors to fund and scale early-stage and growth-stage businesses. They emphasize *patient capital* and long-term investments to help companies realize their full potential. ACF invests across most sectors in UK-based companies, focusing on businesses at prototype, early revenue, and scaling stages, typically investing between $300K and $1M per deal. Their approach supports entrepreneurs by combining capital with hands-on experience and ongoing operational support, thus positively impacting the UK startup ecosystem by enabling promising ventures to scale effectively[1][2][3][4].
Founded in 2011, ACF Investors was led from inception by Tim Mills, formerly Investment Director at the British Business Bank. The firm evolved with a focus on co-investing alongside sector-smart angel investors, leveraging their deep domain expertise to identify and support high-potential companies. The British Business Bank remains a close partner and investor, reflecting ACF’s roots in public-private collaboration. Over time, ACF has expanded its funds and refined its model to emphasize alignment with angel investors who bring sector knowledge and active involvement, reinforcing its commitment to patient, long-term capital deployment[1][2][3][4].
ACF Investors rides the trend of collaborative venture capital, leveraging angel investor expertise to de-risk early-stage investments and improve outcomes. The timing is favorable given the UK’s vibrant startup ecosystem and increasing demand for patient, growth-focused capital. Market forces such as the rise of sector-specialist angels and the need for scalable capital solutions create a niche that ACF fills effectively. By bridging angel networks and institutional capital, ACF influences the broader ecosystem by enabling more informed investment decisions and providing startups with both financial and strategic resources critical for scaling[1][2][3][4].
Looking ahead, ACF Investors is likely to continue expanding its co-investment funds and deepen partnerships with sector-focused angels, potentially increasing fund size and deal volume. Trends such as sector specialization, patient capital, and collaborative investing will shape their journey, reinforcing their role as a key enabler in the UK startup ecosystem. Their influence may grow as they help more companies transition from early-stage ventures to scalable businesses, contributing to innovation and economic growth. This evolution ties back to their founding mission of combining capital with experienced investor networks to unlock long-term value[1][3][4].
