Directory

SWIG

GrantmakerFinanceGovernmentBritish

South West Investment Group (SWIG) is a not-for-profit organisation established in 1989 and based in Truro, Cornwall, that provides loan finance and equity-linked investments to small and medium-sized businesses across the South and West Country. Since April 2009 the group has lent over £116 million across more than 5,700 businesses, helping to create and safeguard approximately 10,000 jobs and generate over £448 million in regional economic impact.

Saatchinvest

VCSaaSAIBritish

SAATCHiNVEST is a London-based early-stage venture capital fund operating within M&C Saatchi PLC. Founded in 2012, the fund backs technology companies at seed stage, typically investing up to £300k per deal. Portfolio companies include Citymapper, Farewill, Dojo, and Ometria.

Sable Bio

StartupBiotech & Life SciencesAIBritish

AI-powered drug-safety platform providing predictive target and compound safety insights to reduce clinical-trial failure risk.

Safehire.ai

StartupCybersecurityAIBritish

Safehire.ai Digital Risk Screening surfaces human-reviewed digital risk signals before organisations make hiring, onboarding, or high-trust access decisions.

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.

Sage

CorporateSaaSFinanceBritish

The Sage Group plc is a British multinational enterprise software company founded in 1981 and headquartered in Newcastle upon Tyne, providing cloud-based accounting, payroll, and HR software primarily for small and medium-sized businesses. It is a constituent of the FTSE 100 index and serves millions of customers across more than 20 countries. The company had approximately 11,170 employees as of September 2025.

Salesforce

CorporateSaaSAIForeign

Salesforce is a global leader in cloud-based customer relationship management (CRM) software, offering a suite of enterprise applications for sales, service, marketing, commerce, and analytics. Founded in 1999, the company pioneered the software-as-a-service model and has grown through significant acquisitions including MuleSoft, Tableau, and Slack. It serves businesses of all sizes across most industries worldwide.

Salesforce Ventures

VCSaaSCybersecurityForeign

Salesforce Ventures is the corporate venture capital arm of Salesforce, founded in 2009. It has invested more than $6 billion across 630 enterprise software companies in 32 countries, with over 34 IPOs and 175 acquisitions among its portfolio. The firm invests from seed through growth stages in cloud infrastructure, security, AI, data platforms, and industry-specific applications.

Samphire Neuroscience

StartupBiotech & Life SciencesDeep TechBritish

Women's-health neurotech company behind Nettle, a CE-certified tDCS headband that eases menstrual pain, mood swings and brain fog without drugs.

Samsara

CorporateLogisticsAIForeign

Fleet and physical operations software

Samsung Electronics

CorporateConsumerDeep TechForeign

Samsung Electronics is a global leader in consumer electronics, semiconductors, and telecommunications equipment, producing smartphones, televisions, memory chips, and display panels. Founded in 1969 as part of the Samsung Group conglomerate, it is one of the world's largest companies by revenue and the world's largest manufacturer of semiconductors and smartphones. The company operates across consumer electronics, IT and mobile communications, and device solutions divisions.

Samudra Oceans

StartupAIClimateBritish

AI-powered monitoring robots for seaweed and sea farming; onboard sensors measure water temperature, salinity and turbidity to predict and optimise yield.

Sandisk

CorporateDeep TechConsumerForeign

High-performance SSDs, memory cards, and USB Flash Drives designed to prioritize speed, reliability, and energy efficiency for gamers, digital photography, and every day users.

Sands Capital

VCOtherAIForeign

Independent, staff-owned growth investment firm founded in 1992, managing ~$46B across public equity, venture capital, and growth equity in 30+ countries.

Sania Therapeutics

StartupBiotech & Life SciencesDeep TechBritish

Develops AAV gene therapies targeting specific neural circuits using tuneable, conditionally-activated ion channels.

Sanity

ScaleupSaaSAIForeign

Sanity is the back-end built for AI content operations. Power web, mobile, and agentic applications at scale.

Sano Genetics

StartupBiotech & Life SciencesAIBritish

UK precision medicine startup (founded 2017, $29M raised) that provides an end-to-end platform for clinical trials covering patient recruitment, at-home DNA testing, medical record retrieval, and long-term participant engagement.

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 & InstitutionsSpaceDeep TechBritish

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.

Savage & Hall

Incubator / AcceleratorOtherConsumerVCBritish

Savage & Hall is a London-based venture studio and co-founder model that builds, funds, and advises early-stage startups. The firm partners with founders who want to build scalable businesses without relying on large amounts of traditional venture finance, operating as an experienced co-founder and advisor. Every founder Savage & Hall co-founds with receives a share of the S&H portfolio.

Scale

ScaleupAIDeep TechForeign

Scale delivers proven data, evaluations, and outcomes to AI labs, governments, and the Fortune 500.

Scale Space

CoworkingAIIncubator / AcceleratorBritish

Scale Space is a 200,000 sq ft innovation hub and co-working campus in White City, London, established as a joint venture between Imperial College London and Blenheim Chalcot in 2018. It supports over 100 innovative digital technology and life sciences businesses, offering flexible offices, co-working labs, and a growth network connecting members with venture builders, academics, and corporate innovators. The hub, which opened its first phase in 2020, is a central anchor of the White City Innovation District and also operates I-HUB and a Nottingham campus.

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.