Directory

Switchee

ScaleupClimateBritish

Smart thermostat and data platform for social-housing landlords, cutting fuel bills and detecting damp/mould and heating failures from real-time property data.

Sylvera

ScaleupClimateAIBritish

Carbon-credit ratings and market-intelligence platform combining satellite imagery, LiDAR and radar with machine learning to independently grade carbon-offset projects.

Symphony

ScaleupFinanceSaaSForeign

Symphony Communication Software ✓Messaging, Voice, Directory & Analytics ✓For Regulated Industries ✓Secure & Compliant - Schedule Demo!

Symvan Capital

VCAIFinanceBritish

Symvan Capital is a London-based FCA-regulated venture capital fund manager specialising in EIS and SEIS investments in early-stage UK technology companies. The firm focuses on AI, machine learning, distributed ledger technology, and other enabling technologies, with over £57 million in assets under management and 56+ portfolio investments since 2013. Symvan offers an evergreen fund structure and takes a hands-on, collaborative approach with founding teams.

SynBioVen

VCBiotech & Life SciencesDeep TechBritish

UK-based early-stage investment vehicle backing synthetic and engineering biology founders from proof-of-concept through seed stage, founded in 2022.

Syncona

VCBiotech & Life SciencesFinanceBritish

Syncona is a British closed-ended life science investment trust that was established by the Wellcome Trust in 2012, before listing on the London Stock Exchange following a merger with the Battle Against Cancer Investment Trust in December 2016. The firm builds and funds a portfolio of life science companies focused on translating frontier science into transformative therapeutics, spanning pre-clinical through to commercial-stage businesses. Syncona Investment Management Limited operates as the investment manager from its London headquarters.

Synova

PESaaSFinanceBritish

Synova is an independent London-based private equity firm founded in 2007, managing approximately £1.7 billion of capital on behalf of institutional investors and family offices. The firm invests in mid-market UK companies across three interrelated sectors: Software & Data, Tech-Enabled Services, and Financial Services, with transaction values up to £250 million.

Synthace

ScaleupBiotech & Life SciencesAIBritish

Computer-aided biology software platform automating design, simulation and execution of wet-lab experiments; produces AI-ready experimental data for R&D.

Synthesia

ScaleupAIBritish

Synthesia is an AI video generation platform that enables organisations to create professional videos using AI avatars and synthetic voices in over 130 languages, without cameras or production studios. It is widely used for corporate training, learning and development, and internal communications.

Synthomer

CorporateDeep TechBritish

Synthomer is a global specialty polymer and advanced-materials manufacturer listed on the London Stock Exchange, producing polymers, latices, emulsions and adhesives for coatings, construction, healthcare, and adhesives markets. The company was formerly known as Yule Catto & Co and adopted the Synthomer name in 2012.

Syrena Network

StartupAISaaSBritish

The professional network built for AI workers. Ren works inside Syrena to find the right people, qualify them, make introductions and follow up on your behalf.

Systemiq Capital

VCClimateAIBritish

Systemiq Capital is a London-based climate technology venture capital firm that backs founders building category-defining companies in electrification, decoding nature, and applied AI. Originally spun out from SYSTEMIQ, the systems-change consultancy, the firm focuses on late seed to Series A investments in B2B climate tech companies across the UK, Europe, and the US.

TA Associates

PESaaSConsumerForeign

TA Associates is a leading global growth private equity firm founded in 1968, with over $65 billion in capital raised across more than 560 investments. The firm focuses on profitable, growing companies in technology, healthcare, financial services, consumer, and business services sectors, investing as either minority or majority shareholder.

TAO Investments

PEReal EstateBritish

TAO Investments Limited is a UK-registered private limited company incorporated in January 2010, operating as a small family-owned real estate investment vehicle based in Derby. The company is classified under SIC code 41100 (Development of building projects) and describes itself as a property purchasing business, buying houses for cash. It does not appear to operate as a technology venture capital firm despite third-party database classification.

TCI Pathway

Professional ServicesOtherFunding PlatformBritish

TCI Pathway Ltd (also known as Business Growth Solutions or Think, Create & Innovate) is a Birmingham-based angel investment and business support organisation incorporated in July 2015. The firm provides angel funding and growth advisory services to businesses in the Birmingham area, with a focus on supporting early-stage and growing companies. The company's website (tcipathway.co.uk) is currently inactive.

TCV

VCSaaSAIForeign

TCV (Technology Crossover Ventures) is an American growth equity firm founded in 1995, investing in public and private technology companies at growth stage. The firm manages approximately $22 billion in assets under management and has backed over 350 companies globally, including Netflix, Spotify, Airbnb, and Revolut. TCV has offices in Menlo Park, New York, London, and Melbourne.

THENA Capital

VCBiotech & Life SciencesAIBritish

London-based early-stage MedTech VC firm backing digital health and fast-track medical device companies; Fund TCX-1 targets £50m, backed by the British Business Bank.

THIS

ScaleupConsumerBritish

Plant-based meat-alternative brand making meat-like vegan chicken, bacon and sausages sold in major UK supermarkets and foodservice channels. The company raised £20M in Series C funding in June 2025 to grow its product range.

TIGA

Ecosystem Bodies, Catapults & InstitutionsGamingBritish

TIGA is the not-for-profit trade association representing the UK video games industry, with members including independent games developers, digital publishers, technology businesses, and universities. It influences government policy, accredits university games courses, delivers industry awards, and publishes original research. Its stated vision is to make the UK the best place in the world to develop video games.

TILKI

StartupAIGamingBritish

AI-powered no-code game-creation platform where NPCs make autonomous decisions and player choices reshape the game world in real time.

TMT ID

ScaleupCybersecurityFinanceBritish

Mobile network identity intelligence platform providing fraud detection, KYC and age verification services using real-time mobile network signals.

TORTUS

ScaleupBiotech & Life SciencesAIBritish

AI clinical assistant platform automating clinical documentation through ambient scribing, pre-chart summaries, diagnostic coding and lab requests for clinician review.

TOffeeAM

ScaleupDeep TechAIBritish

Multiphysics generative-design software for additive manufacturing, automating design of aerodynamic and thermal hardware for aerospace, energy and automotive applications.

TPG

PEOtherConsumerForeign

TPG is a leading global alternative asset management firm founded in 1992, with approximately $306 billion in assets under management as of March 2026. The firm operates six investment platforms spanning private equity, growth equity, impact, credit, real estate, and market solutions, with sector expertise in healthcare, software, technology, consumer, and business services. It employs over 1,900 people across 30 offices worldwide.