Directory

Proximie

ScaleupBiotech & Life SciencesBritish

Connected surgery platform enabling surgeons to remotely guide, annotate and record live operations, facilitating the sharing of best clinical practice globally. Proximie's augmented reality and video technology is used in operating theatres across multiple countries to improve surgical training and patient outcomes.

Quantum Motion

ScaleupQuantumBritish

Builds fault-tolerant quantum computers using silicon spin qubits fabricated on standard CMOS processes; delivered a full-stack silicon CMOS quantum computer to the UK National Quantum Computing Centre.

RAEng Enterprise Hub

Incubator / AcceleratorOtherAIGrantmakerBritish

The Enterprise Hub at the Royal Academy of Engineering, launched in April 2013, is the UK's top-ranked startup hub supporting engineering and deep-tech entrepreneurs through grants (over £19 million awarded), mentoring from Academy Fellows, and programmes including Enterprise Fellowships, the Shott Scale Up Accelerator, Leaders in Innovation Fellowships, and Regional Talent Engines. It has supported over 600 entrepreneurs who have collectively raised £3.8 billion and created more than 6,100 jobs, with regional hubs also operating in Liverpool, Newcastle, Wales, and Northern Ireland.

Redalpine

VCAIFinanceForeign

Redalpine is a Swiss-founded multi-stage venture capital firm that has invested in software and science-driven companies across Europe since 2006. The firm takes a distinctive approach with a team split equally between scientists and operators, focusing on artificial intelligence, energy transition, health, and food security, with over $1 billion in assets under management.

Renaissance Learning

CorporateEdtechAIForeign

Renaissance Learning is a global educational technology company providing AI-powered literacy, maths, and assessment software to over 7,000 schools across the UK and Ireland, with a UK office in Brentford, London.

Revaia

VCSaaSAIForeign

Paris-based growth equity VC firm backing European mission-driven tech companies from Series B to IPO; founded 2018, ~€600M AUM.

Rowan Dartington

Professional ServicesFinanceBritish

Rowan Dartington is a UK-based wealth management firm founded in 1990, operating as a trading name of St. James's Place Investment Management Limited. It provides discretionary and advisory investment management services to private clients, intermediaries, charities, and trusts. The firm is authorised and regulated by the Financial Conduct Authority and is a member of the London Stock Exchange.

Runway East

CoworkingOtherBritish

Runway East is a UK flexible workspace provider founded in 2014, offering private offices, coworking desks, and meeting rooms designed for startups and growing businesses. The company operates 16 locations across London, Bristol, Brighton, Birmingham, and Bath, serving thousands of members across its sites. Its workspaces are all-inclusive with a strong focus on community and member wellbeing.

SEP

VCSaaSAIBritish

Scottish Equity Partners (SEP) is a Glasgow-headquartered growth equity firm focused on European enterprise technology companies, with a particular emphasis on regulated and complex markets including capital allocation, payments, governance, and risk management. Founded in 2000, SEP has invested over £1 billion across its portfolio and maintains offices in Glasgow, Edinburgh, and London. The firm backs founders with deep domain knowledge and proven deployments in demanding enterprise environments, investing typically £10–25 million per deal.

SFC Capital

VCSaaSAIBritish

SFC Capital (formerly Startup Funding Club) is the UK's most active early-stage investor, specialising in SEIS and EIS-qualifying startups. Founded in 2012, the firm operates an angel network, a leading SEIS fund, and a follow-on EIS fund, with over £150m in assets under management and more than 500 portfolio companies across sectors including B2B software, fintech, medtech, green technology and hardware.

Saffery

Professional ServicesOtherBritish

Saffery is a partner-led firm of chartered accountants founded in 1855, providing audit, tax, business advisory, and wealth management services. The firm operates nine offices across the UK plus a presence in Guernsey and Geneva, and serves clients in sectors including private wealth, charities, financial services, real estate, and sports and entertainment. It is ranked among the UK's top 20 accountancy practices.

Santander InnoVentures

VCFinanceBritish

Santander InnoVentures was the fintech-focused corporate venture capital arm of Banco Santander, established in 2014 with $200 million under management to invest globally in fintech startups at all stages. The fund backed companies including iZettle, Ripple, Kabbage, and Creditas. In September 2020 the fund was spun out and rebranded as Mouro Capital, with $400 million in allocated funds and a registered office in Fitzrovia, London.

SatVu

ScaleupSpaceDefenceBritish

Operates the HotSat high-resolution thermal infrared (mid-wave IR, 3.5 m resolution) Earth observation satellite constellation, providing intelligence for defence, energy and climate applications.

Satellite Applications Catapult

Ecosystem Bodies, Catapults & InstitutionsSpaceOtherBritish

The Satellite Applications Catapult is a world-leading technology and innovation company, part of the Innovate UK Catapult network, established in 2013 to grow the UK economy by supporting businesses to exploit satellite data and space technology. It works with companies of all sizes, researchers, investors and end-users to develop satellite-based products and services across sectors including defence, agriculture, environmental monitoring and connectivity.

ScaleUp Institute

Ecosystem Bodies, Catapults & InstitutionsOtherBritish

The ScaleUp Institute is a private sector, not-for-profit company dedicated to making the UK the best place in the world to scale up a business. Founded in January 2016, it collaborates with policymakers, corporates, financial institutions, and educators at local and national level to support high-growth firms. It publishes annual reviews, advocates for scaleup-friendly policy, and works with regional bodies across the UK.

Science Council

Ecosystem Bodies, Catapults & InstitutionsOtherBritish

The Science Council is a UK membership organisation for professional bodies and learned societies across the sciences, established by Royal Charter in 2003. It collectively represents over 320,000 scientists, science technicians, and science teachers, and works to promote professional recognition and the public understanding of science.

Second Home

CoworkingOtherBritish

Second Home is a London-based workspace and cultural venue founded in 2014, known for its architecturally ambitious, biophilic design and curated cultural programming. It operates locations in Spitalfields and Holland Park in London, and Mercado da Ribeira in Lisbon. The business entered administration in December 2024 and was subsequently bought out by its management team, allowing operations to continue at remaining locations.

SeedLegals

Professional ServicesLegalStartupBritish

SeedLegals is a UK-founded legaltech platform established in 2016 that provides startups and investors with automated legal document creation, funding round management, cap table management, SEIS/EIS applications, and equity scheme administration. The platform serves over 50,000 startups and investors, with around half of all new UK startups using the service. It operates across the UK, France, US, Ireland, Hong Kong, and Singapore.

Seedcamp

VCFinanceCybersecurityIncubator / AcceleratorBritish

Seedcamp is a London-based European seed-stage venture capital fund, founded in 2007, that backs ambitious founders targeting global markets from day one. The fund has invested in over 400 companies across Europe, with notable portfolio companies including Revolut, Wise, Hopin, UiPath, and Synthesia. Seedcamp's latest fund (Fund VI) raised approximately $180 million to back around 100 seed-stage companies in areas including AI, cybersecurity, health tech, open-source software, and fintech.

Semble

ScaleupBiotech & Life SciencesAIBritish

London health-tech company building an AI-enabled electronic health record and practice-management platform for outpatient and private healthcare providers, integrating diagnostics, billing, laboratory results and CRM across the full patient journey.

SenseOn

ScaleupCybersecurityAIBritish

AI-driven security operations platform that unifies endpoint, network, identity and cloud telemetry to detect and respond to cyber threats, reducing analyst workload through automated triangulation across data sources.

Seraphim Space

VCSpaceIncubator / AcceleratorBritish

Specialist SpaceTech investment platform comprising early-stage VC funds, an accelerator programme and the LSE-listed Seraphim Space Investment Trust (SSIT). Managing over $550m in AUM, Seraphim invests globally at Seed and Series A in companies building the infrastructure and applications of the space economy.

Shadow Robot Company

ScaleupAIBritish

Pioneer of dexterous robotic hands and teleoperation systems, known for the Shadow Dexterous Hand — a 20 degree-of-freedom, 24-movement device used by leading AI and robot-learning laboratories worldwide. Founded in 1987 and based in London, the company continues to advance robot manipulation capabilities for research and industrial applications.

Sigma Capital

PEReal EstateBritish

Sigma Capital Group is an Edinburgh-based specialist asset management group focused on the development, delivery, and management of build-to-rent (BTR) residential housing across the United Kingdom. The company manages approximately £2.7 billion in investments and has delivered around 13,100 BTR homes, operating under the Simple Life and Simple Life London brands. The business was taken private in 2021 following acquisition by PineBridge Benson Elliot.