Directory

Sony Innovation Fund

VCAIMediaForeign

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.

Sorted Technologies

StartupClimateAIBritish

Sorted empowers recycling facility managers to optimise operations and maximise recycling recovery through cutting-edge AI-powered recycling technology.

Souk

StartupAISaaSBritish

Souk is a London-based B2B software startup founded in July 2025 that builds Coco, an autonomous AI agent managing the partner and reseller lifecycle, including sourcing, engagement, tracking and payouts.

SoundCloud

CorporateMediaConsumerForeign

Discover and play over 320 million music tracks. Join the world’s largest online community of artists, bands, DJs, and audio creators.

Source Code

CommunityMediaAIForeign

Source Code is London's meetup for journalists, developers, data scientists, and editors who believe the future of storytelling is written in code.

South London Makerspace

CommunityOtherCoworkingBritish

South London Makerspace is a member-run, non-profit community workshop in Herne Hill, London, incorporated in September 2013 and opened to members in March 2014. Owned and maintained entirely by its members on a volunteer basis with no paid staff, it offers access to woodworking, electronics, metalwork, laser cutting, CNC, screen printing, 3D printing, ceramics, and bike maintenance facilities across railway arch workshops.

Sovereign Capital

PESaaSFinanceBritish

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.

Soveren

ScaleupCybersecurityBritish

Data observability and security platform that discovers, monitors and protects sensitive data across applications.

SpAItial

StartupAIBritish

SpAItial is building Echo, a frontier world model that turns images and prompts into persistent, explorable 3D Gaussian Splat worlds.

Space DOTS

StartupSpaceDeep TechBritish

Modular pico-payload 'Barnacle DOT' devices for active in-orbit testing and qualification of advanced materials, making on-orbit materials testing faster and cheaper.

Space Forge

StartupSpaceAIBritish

Cardiff-based in-space manufacturing startup producing semiconductor substrates and advanced materials in microgravity via its reusable ForgeStar orbital platform.

SpaceXAI for London, England

CommunityAIForeign

SpaceXAI events in London, England

SpaceXSI

ScaleupAIForeign

SpaceXSI builds Grok — frontier AI models for reasoning, voice, image generation, and more. Build with the Grok API.

Spaceflux

ScaleupSpaceAIBritish

Space domain/situational awareness: operates a global network of ~15 electro-optical (visible + SWIR) telescopes with AI analytics to track satellites and debris 24/7.

Spacehive

StartupFinanceBritish

Civic crowdfunding platform connecting community projects with funding from councils, foundations and companies; place-based participatory funding.

Spaces

CoworkingOtherForeign

Spaces is a global coworking and flexible office brand founded in Amsterdam in 2008, now part of International Workplace Group (IWG). It operates vibrant, design-led coworking spaces, private offices, and meeting rooms across hundreds of locations worldwide, including numerous sites across London. The brand targets creative professionals and growing businesses seeking community-driven workspaces.

Spectrum Equity

PESaaSAIForeign

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

VCFinanceAIForeign

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.

Spektr

StartupFinanceAIForeign

spektr is mission control for regulated businesses. Compliance can set the rules, Product builds the flows and Operations runs them at scale

Spend Network

StartupSaaSBritish

Global procurement open-data company collecting and publishing every public tender/contract worldwide; powers B2G market analysis and policy transparency.

Spendesk

ScaleupFinanceSaaSForeign

Automate spend management with one platform for expenses, cards and invoices. Get complete control and visibility while empowering teams to spend effortlessly. Trusted by 5,000+ companies.

Spill

StartupBiotech & Life SciencesDeep TechBritish

Workplace mental-health support delivered via Slack, Teams and a web app: video, phone and message therapy with qualified therapists, plus mental health training for managers and self-guided wellbeing content.

Sportradar

CorporateGamingMediaForeign

Sportradar is the world’s leading sports technology company, at the intersection between sports, media and betting.

Spotify

CorporateMediaConsumerForeign

Spotify is a global audio streaming and media services company incorporated in Luxembourg, with its operational headquarters in Stockholm, Sweden. It offers on-demand access to over 100 million tracks, seven million podcast titles, and hundreds of thousands of audiobooks across 184 markets. The company is publicly listed on the NYSE under the ticker SPOT.