Directory

Singular

VCSeries A+Foreign

European early-stage VC firm investing from Seed to Series B in founders with global ambitions across all sectors, with offices in Paris and London.

Sixth Element Capital

VCSeedSeries A+

Sixth Element Capital (6EC) is a specialist UK venture capital fund manager focused exclusively on oncology. It manages the £70 million CRT Pioneer Fund, a dedicated oncology investment fund established in 2012 to bridge the gap between cancer drug discovery and early clinical development in Europe.

Siân Parry Jones

PersonPre-SeedSeedAngel

Designer, hospitality consultant, and co-founder of Archer Street Cocktail Bar in Soho; angel investor in early-stage UK consumer brands.

Smart Anchor Ventures

VCSeedSeries A+Pre-Seed

Smart Anchor Ventures is a Cardiff-based investor that partners with entrepreneurial founders of innovative, technology-enabled companies in Wales and the UK, offering capital and experience to help businesses scale globally. The firm is sector-agnostic but favours companies that can differentiate through technology.

Smedvig Ventures

VCSeries A+

London-based VC arm of the Smedvig family office, investing €4-8m in B2B tech companies across Europe from early traction to scale.

Social Tech Trust

GrantmakerPre-SeedSeedIncubator / Accelerator

Social Tech Trust (formerly Nominet Trust) is an independent UK charity and the country's leading dedicated grant-maker in socially motivated technology. Founded in 2008 as the corporate foundation of Nominet, it has provided over £31 million in funding to more than 750 technology-for-good initiatives across the UK, with a focus on inclusion, healthcare, and equitable access; it also operates Social Tech Ventures, a flexible impact investment fund for aligned ventures.

Sofina

PEGrowthForeign

Belgian listed investment holding company founded in 1898, backing entrepreneurs and families with patient capital across Europe, Asia, and the US.

SoftBank

VCSeries A+GrowthCorporateForeign

SoftBank Group Corp. is a Japanese multinational conglomerate holding company and one of the world's largest technology investors. It operates the SoftBank Vision Fund, the world's largest technology-focused venture capital fund with over $100 billion in committed capital, investing in artificial intelligence, robotics, IoT, and other frontier technologies globally. The group has a significant UK presence through its London office in Mayfair.

Solar

VCGrowth

Solar is the scale-up and growth fund within Phoenix Court Group (formerly LocalGlobe), a London-based venture capital group. Launched in 2022, Solar focuses on partnering with technology companies on their journey from the private to the public markets and beyond, targeting businesses that have already received backing from the group's earlier-stage funds.

Sony Innovation Fund

VCSeedSeries A+GrowthForeign

Sony Innovation Fund is the corporate venture capital arm of Sony Group Corporation, established in 2016, investing in transformational technology-driven startups across DeepTech, EntertainmentTech, EnterpriseTech, Fintech/DLT, ClimateTech, and Location-Based Entertainment. The fund manages over $430 million in assets and operates across the US, EU, Japan, India, and Africa, backing companies from early through to late stage.

Sovereign Capital

PESeries A+Growth

Sovereign Capital Partners is a leading UK mid-market private equity firm founded in 2001 and based in London, specialising in Buy and Build investment strategies. The firm manages £650 million in funds and focuses on four sectors: business and technology services, healthcare and pharma services, financial services and insurance, and education and training, investing £10 million to £120 million per transaction across more than 60 platform investments.

Spectrum Equity

PESeries A+GrowthForeign

Spectrum Equity is a growth equity firm founded in 1994 and headquartered in Boston, Massachusetts, with additional offices in San Francisco and London. The firm invests in information, software, internet, and data services companies, with a particular focus on SaaS, fintech, healthcare data, and compliance infrastructure. It currently manages its tenth fund with approximately $2.3 billion in committed capital.

Speedinvest

VCPre-SeedSeedSeries A+Foreign

Speedinvest is a Vienna-headquartered European venture capital firm founded in 2011, with offices in Berlin, London, Munich, and Paris. The firm focuses on pre-seed, seed, and early growth-stage technology startups, investing in sectors including fintech, deep tech, B2B AI, health tech, climate tech, and consumer. It manages over €1 billion in assets under management across a portfolio of more than 250 startups.

Sprints

VCSeries A+Growth

Sprints Partners is a London-based growth equity firm founded in 2015 that deploys capital into technology-enabled consumer and digital businesses across Western Europe and North America. The firm focuses on category-winning companies in e-commerce, marketplaces, and consumer technology, and its portfolio includes companies such as Revolut, Vinted, Checkout.com, and Back Market. The firm invests equity tickets typically starting at Series B, ranging from €10 million to €70 million.

StartUp Lab Ravensbourne

Incubator / AcceleratorAcademiaCoworking

StartUp Lab is Ravensbourne University London's entrepreneurial hub for students and alumni seeking to develop and launch creative and digital technology ventures. Based at the university's Greenwich Peninsula campus, it offers mentoring, business planning support, workshops from industry experts, and networking with investors, with the 6-month intensive Founder Programme as its flagship offering. The broader Incubation+ programme provides hot-desking, office space, MR/VR lab access, and accelerator support to graduates and external businesses.

StepStone Group

PEGrowthForeign

Global private markets firm managing $233B AUM across private equity, infrastructure, private debt, and real estate; listed on Nasdaq (STEP).

Stone Ventures

PEGrowth

Stone Ventures (trading as Stone Venture Partners Ltd) is a Worcester-based private equity and SME investment firm founded in 2010 that backs established, profitable UK small and medium-sized businesses through growth capital, management buy-outs, and retirement sales. The firm typically invests up to £1 million in the equity gap between bank lending and mainstream private equity.

Stride.VC

VCSeed

Stride.VC is a London-based seed-stage venture capital fund that backs early-stage technology companies primarily in the United Kingdom and France. Founded in 2018, the firm is sector-agnostic and focuses on partnering with entrepreneurs from the earliest stages of company building; it raised two funds totalling approximately £220 million but announced in 2023 that it would not raise a third fund.

Summit Partners

PESeries A+GrowthVCForeign

Summit Partners is a global growth-focused alternative investment firm founded in 1984, with over $44 billion in assets under management. The firm invests in technology, healthcare and life sciences, and growth products and services companies, typically at growth equity and late-stage venture stages. Summit maintains offices in Boston, Menlo Park, New York, London (Mayfair), and Luxembourg.

Sunnybarn Investments

PESeedSeries A+

Sunnybarn Investments is a family-run risk capital investment company based in Brecon, Wales, established in 2017 to support ambitious individuals and management teams in Wales. The firm provides equity funding and mentoring across a broad range of sectors and co-invests alongside the Development Bank of Wales. It has invested in a range of Welsh companies including Marine Power Systems and Coincover.

Superseed

VCPre-SeedSeed

London-based VC backing pre-seed and seed-stage technical founders bringing AI to manufacturing, logistics, construction, defence, energy, and infrastructure.

Superteam UK

CommunityGrantmakerIncubator / Accelerator

Superteam UK — Building the Solana ecosystem in the UK

Surrey Investors Club

VCSeedPre-Seed

Surrey Investors Club was an angel investment network incorporated in November 2016 and registered in Winchester, England, focused on seed-stage investments in UK companies. The club merged with Angels 5K on 1 January 2021 to form the Southern Angel Investors Club, with members from both clubs having collectively invested over £11 million across more than one hundred high-growth UK companies prior to the merger.

Sussex Innovation

Incubator / AcceleratorAcademiaCoworking

Sussex Innovation Centre is a wholly-owned subsidiary of the University of Sussex, founded in 1996, providing office space, business support, consultancy, and accelerator programmes to startups, scale-ups, and established businesses. Based on the University of Sussex campus in Falmer, Brighton, it has supported more than 750 businesses since its founding and runs the AccelerateTech growth programme alongside its University of Sussex Business Angels investor network.