London startup directory
Hand-picked startups, investors, and ecosystem operators in London, with a custom city illustration in europe-startup-guide.com brand colors.
Showing 61–80 of 243 London · United Kingdom
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ElevenLabs
ElevenLabs is a London-headquartered AI audio platform that has built one of the world's most advanced voice-synthesis stacks. Its products span text-to-speech in 70+ languages, instant and professional voice cloning, an automated dubbing studio across 90+ languages, real-time conversational voice agents, AI sound effects and an audio production suite; the ElevenReader app offers a large catalogue of licensed human-narrated audiobooks. Enterprise clients range from Deutsche Telekom and Revolut to the Ukrainian Government, and in 2026 ElevenLabs integrated its voice capabilities into IBM's watsonx Orchestrate. Founded in 2022 by Polish childhood friends Mati Staniszewski (CEO, ex-Palantir) and Piotr Dąbkowski (CTO, ex-Google), the company raised a $2M pre-seed from European funds Credo Ventures and Concept Ventures, then scaled rapidly: a $19M Series A (2023), $80M Series B at $1.1B (2024), $180M Series C at $3.3B (2025), and a $500M Series D at an $11B valuation led by Sequoia Capital (2026), with a later extension adding BlackRock, NVIDIA and others. With cumulative funding over $781M and ARR past $500M, ElevenLabs is among the fastest-growing AI companies in Europe.
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Entrepreneur First
Entrepreneur First (EF) is a London-headquartered talent-first investor founded in 2011 by Matt Clifford and Alice Bentinck, both former McKinsey consultants. EF pioneered the concept of Talent Investing — recruiting exceptional individuals before they have a co-founder or idea, then supporting them to form teams and build companies — across offices in London, Paris, Bangalore, New York, and San Francisco. The firm manages a fund of $158 million and has helped create over 600 companies with a combined portfolio value exceeding $11 billion. EF's standout portfolio companies include Tractable (AI for accident repair, valued at ~$1 billion), Cleo (personal finance AI), and Magic Pony Technology (acquired by Twitter).
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Episode 1 Ventures
Episode 1 Ventures is a London-based seed and pre-seed fund founded in 2013 by Simon Murdoch, Damien Lane, and Adrian Lloyd, all experienced entrepreneurs who have built and exited companies. The firm closed its third fund at £76 million in February 2024, bringing total capital managed to over £170 million across three vehicles. Episode 1 focuses on software-driven businesses in AI, infrastructure, health, open-source, and marketplace sectors, writing initial cheques of up to £2 million. The fund has backed 69 companies and achieved a 73% Series A graduation rate — three times the industry average — with notable portfolio companies including Carwow, Huboo, CloudNC, and Robin AI.
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Euan Blair
Founder and CEO of Multiverse, the apprenticeship-focused alternative to university that reached unicorn status. He started the company to widen access to high-quality careers through applied training rather than degrees.
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Felix Capital
Felix Capital is a London-based venture capital firm, founded in 2015 and based on Beak Street, that invests at the intersection of technology and creativity. It backs digital lifestyle, consumer and creative-economy companies alongside related enterprise tools, describing its focus as building for the 'creative class' across home, work and in-between.
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Fifth Dimension AI
London-based AI decision-intelligence platform for real-assets investors and managers. Its agentic AI Ellie unifies fragmented institutional and market data to prepare deal analyses, draft IC memos, monitor portfolio variance, and surface risk proactively. Serves clients with 98.4% accuracy on high-value lease-data extractions. Raised €22M Series A led by HV Capital.
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FinovateEurope 2026
Fintech demo conference with a no-slides rule: 7-minute live product demos only. Price: about GBP 2299 general, with startup rates around GBP 799. Audience skews to senior banking decision makers looking for vendors.
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Fintech Talents Festival 2026
Billed as the UK's largest fintech festival, with nine content stages on open finance, payments, embedded finance, AI transformation, and fraud at The Brewery in London. For a fintech founder it offers broad coverage of regulatory and product trends plus access to banks and incumbents in one place.
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Firstminute Capital
Firstminute Capital is a London-based seed-stage venture firm founded by Brent Hoberman (Lastminute.com, Founders Forum) and Spencer Crawley. The fund backs first-cheque seed rounds across consumer, B2B SaaS, deep tech, and AI, with a strong LP base that includes more than 100 European founders. Firstminute is known for its global founder network and for taking convicted bets very early in a startup's life.
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Flo Health
Flo Health is the world's most popular women's health app, offering AI-powered period and ovulation tracking, pregnancy monitoring, and personalized health insights to over 300 million users. The company combines reproductive health data with machine learning to provide tailored content and predictions, and has expanded into telehealth and wellness features. Flo represents a major European consumer health success story.
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Founders Factory
Founders Factory is a London-based venture studio and accelerator founded in 2015 by Brent Hoberman, Henry Lane Fox, and George Northcott. The firm co-builds and accelerates pre-seed and seed stage startups across fintech, health, climate, media, and consumer sectors, operating sector-specific programmes with corporate partners including Aviva, L'Oréal, and Deutsche Telekom. Since launch, Founders Factory has backed over 300 companies globally, which have collectively raised more than $800 million in follow-on funding. Its venture studio model — co-founding businesses from day zero — distinguishes it from conventional accelerators and gives it a distinctive builder-investor role in the European ecosystem.
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Founders Forum 2026
Invitation-only gathering of top tech founders, CEOs, and investors at a prestigious London venue. Known for intimate, high-trust networking and off-the-record conversations among Europe's most influential technology leaders.
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Founders4Schools
Founders4Schools was founded in 2013 by Sherry Coutu CBE as a charity connecting UK students with founders and employers to improve employability and bridge the skills gap. In 2017 it launched Workfinder, an app that lets young people search for and apply to work-experience placements at fast-growing companies. The organisation operates at the intersection of the startup ecosystem and education, complementing Coutu's work at the ScaleUp Institute.
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French Tech London
La French Tech London is a chapter of the global French Tech network, bringing together French founders, investors, engineers, and tech professionals active in the London startup ecosystem. As part of a network of over 100 French Tech communities worldwide, it works alongside French embassies and Business France to facilitate knowledge exchange and market entry between the French and British ecosystems. The community hosts regular sector events across fintech, AI, quantum computing, and deeptech, and helps French entrepreneurs soft-land in London.
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French Tech London Monthly Drinks (February 2026)
Monthly community meetup for French founders, investors, and operators in London. Typically held on the first Thursday of the month at venues like The Arboretum or Huckletree.
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Fresha
London-based beauty and wellness booking platform that provides commission-free subscription software for salons, spas, and independent therapists—covering appointments, payments, marketing, and inventory—with operations in 120+ countries and 100,000+ business partners.
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Fuse Energy
Full-stack renewable energy supplier founded in 2022 by former Revolut executives, supplying 300,000+ UK households while building a 1 GW wind and solar generation pipeline. Secured a €25M Series B extension, bringing total funding to €214M.
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FYLD
FYLD is a London-based company offering an AI-powered frontline intelligence and field work execution platform for the global infrastructure sector, including utilities, heavy civil infrastructure, and energy. Field teams capture short videos instead of completing static forms, and FYLD's AI analyses site conditions to identify safety, quality, and delivery risks before they escalate, while giving managers live visibility across jobs and automatically documenting actions for compliance and audit. It serves complex infrastructure organisations including Southern Water, Yorkshire Water, Ferrovial, Kier, and Amey.
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Fyxer AI
Fyxer AI is a London-based startup that builds an AI assistant for email and meetings, working inside Gmail and Outlook so users have nothing new to learn. Its product organises and prioritises the inbox, drafts replies in the user's own voice based on past conversations, and acts as a meeting companion that joins calls and takes notes. The company grew out of an executive assistant agency run by brothers Richard and Archie Hollingsworth before they launched the AI product, with Matt Ffrench as CTO. In September 2025 it raised a $30M Series B led by Madrona to expand into the US market.
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General Catalyst (Europe)
General Catalyst is a global venture capital firm that expanded aggressively into Europe through its London office. The firm invests across stages from seed to growth and has become one of the most active US-origin VCs in European tech, backing companies including Helsing, Parloa, Mistral AI, and PhysicsX. General Catalyst focuses on AI, defense tech, enterprise software, and climate, and manages over $25 billion in total assets.
