Directory

Thesiger Capital Group

VCDefenceDeep TechBritish

Thesiger Capital Group is a London-based growth investment firm providing specialised financing to companies operating in European security and defence infrastructure, aiming to strengthen the continent's strategic autonomy.

ThinkCyber Security

StartupCybersecurityAIBritish

Behavioural-science security awareness platform (Redflags) delivering real-time, context-aware on-device nudges to change risky user behaviour, including monitoring of AI-tool usage. Selected for the NCSC for Startups programme and operates across Europe, Asia and Oceania.

Thirdfort

ScaleupFinanceProptechBritish

Intelligent client due diligence with automated data collection, verification, and AML screening, so your team can focus on the cases that need your expertise. Built for compliance teams in the legal, property and accountancy sectors.

Thoma Bravo

PESaaSAIForeign

Thoma Bravo is the world's largest software-focused private equity firm, with over $172 billion in assets under management as of early 2026. The firm acquires and builds enterprise software businesses spanning cybersecurity, financial technology, infrastructure, and operations management, with a portfolio of approximately 80 companies. It maintains offices in Chicago, Dallas, London, Miami, New York, and San Francisco.

Thought Machine

ScaleupFinanceBritish

Cloud-native core banking technology (Vault Core, Vault Payments) licensed to banks globally to replace legacy systems. Valued at $2.7B following a $160M Series D in March 2025 led by Temasek; clients include JP Morgan Chase. Named a Leader in the 2025 Gartner Magic Quadrant for Retail Core Banking Systems.

Thoughtworks

Professional ServicesSaaSAIForeign

Thoughtworks is a global technology consultancy founded in 1993 in Chicago, specialising in software design and delivery, AI, digital transformation, and engineering services. The firm serves clients across financial services, retail, healthcare, energy, and the public sector, with offices across 18 countries. It was taken private by Apax Partners in 2024 after a period as a NASDAQ-listed company.

ThreatAware

ScaleupCybersecurityBritish

Cyber asset intelligence platform that discovers and validates every device, user and application to close security gaps across IT estates. The company bootstrapped to profitability before raising $25M in Series A funding in early 2026, led by OnePeak, and serves over 100 enterprise clients across the UK, US and Canada.

Thredd

ScaleupFinanceBritish

Thredd is a London-headquartered issuer processor providing card issuing and payment processing infrastructure for fintechs, digital banks and embedded finance providers worldwide. It processes billions of debit, prepaid, credit and virtual card transactions annually across dozens of countries for clients including major digital banks.

Thriva

ScaleupBiotech & Life SciencesConsumerBritish

At-home finger-prick blood testing service with an app tracking biomarkers and personalised health insights; also offers diagnostics infrastructure to businesses via Thriva Solutions. The company has partnered with Tasso to develop painless shoulder-based collection devices and has repositioned around longevity and healthspan.

ThriveCart

StartupSaaSE-commerceForeign

Sell digital products, courses, communities and subscriptions with high-converting checkouts, funnels, and 1,000+ automations. 30-day free trial.

Thunes

ScaleupFinanceForeign

Join the Smart Superhighway to move money globally with Thunes’ Direct Global Network, powering real-time payments in 140+ countries and 90+ currencies.

Thymia

StartupBiotech & Life SciencesGamingBritish

Neuropsychology-based video games analysing speech, face and behaviour to objectively measure mental-health symptoms (e.g. depression).

Tide

CorporateFinanceBritish

Digital business banking and financial administration platform offering accounts, invoicing and expense management for SMEs across the UK and India.

TikTok

CorporateMediaConsumerForeign

TikTok - trends start here. On a device or on the web, viewers can watch and discover millions of personalized short videos. Download the app to get started.

Tileyard

CoworkingMediaCommunityBritish

Tileyard London is the world's largest independent music and creative industries campus, housing over 250 businesses including recording studios, music publishers, record labels, management companies and creative tech firms. Founded in 2011 by Paul Kempe and Nick Keynes, it offers co-working and studio space at Kings Cross for artists, producers and creative entrepreneurs, and also operates Tileyard North, Tileyard Education and Tileyard Music.

Tilt

StartupE-commerceAIBritish

London-based live-auction app for fashion and collectibles, enabling real-time bidding via livestream; founded by two ex-Revolut employees in 2021.

Tiny VC

VCOtherBritish

Backing great companies when they're tiny

Tipalti

ScaleupFinanceSaaSForeign

Tipalti’s finance automation software combines trusted AI with accounts payable, mass payments, procurement, expenses, and treasury in one connected platform.

Toast

CorporateFoodtechSaaSForeign

Toast is a restaurant point of sale and management system that helps restaurants improve operations, increase sales and create a better guest experience.

Together

ScaleupAIForeign

Build what's next on the AI Native Cloud. Full-stack AI platform for inference, fine-tuning, and GPU clusters — powered by cutting-edge research.

Tony Blair Institute

Ecosystem Bodies, Catapults & InstitutionsOtherBritish

The Tony Blair Institute for Global Change (TBI) is a not-for-profit think tank and advisory organisation founded in 2016, providing expert advice on strategy, policy and delivery to political leaders worldwide. It works across digital transformation, economic development, climate and energy, health and life sciences, and geopolitics and security. With over 1,000 staff, it is one of the largest policy institutes in the world.

Too Good To Go

ScaleupFoodtechClimateForeign

Too Good To Go app is the world's largest surplus food marketplace. Download now and enjoy good food at 1/2 price or less, help the environment and reduce food waste.

Toscafund

PEFinanceReal EstateBritish

Toscafund Asset Management is a London-based specialist investment manager founded in 2000, managing funds across UK small to mid-cap equities, global financials, commercial and residential property, private equity, and hedge strategies. The firm serves institutional investors, pension funds, family offices, and high-net-worth individuals with approximately $2 billion in assets under management, and also maintains offices in New York, Melbourne, and Hong Kong.

Touchlight

ScaleupBiotech & Life SciencesDeep TechBritish

Advanced DNA bio-manufacturing CDMO producing enzymatic doggybone DNA (dbDNA) at one of the world's largest synthetic-DNA manufacturing facilities.