London, United Kingdom

Companies in London

• 4 Day Week

  Job board for companies offering 4-day work weeks.

• Advera Agency

  Advera Agency builds AI Revenue Engines to provide predictable, scalable outbound meetings and automated pipeline growth without increasing headcount.

• AgriWebb

  Livestock management and traceability platform.

• Anchorpoint Systems Ltd

  AnchorPoint Systems provides resilient GPS and GNSS interference solutions, delivering secure aviation and navigation technologies.

• Artifact Security

  Artifact Security is an independent cyber security testing organisation providing innovative and transparent security testing services.

• Atomico

  London-based venture capital firm founded by Skype co-founder investing in ambitious European tech founders.

• Attio

  Modern CRM for teams.

• Babylon Health

  AI-first digital health services and telemedicine.

• BAE Systems

  Multinational defence, security, and aerospace.

• Balderton Capital

  European-focused venture capital firm.

• Bethnal Green Ventures

  Tech for good accelerator and early-stage investor.

• Bird & Bird

  Tech-focused international law firm.

• Bonded

  The world’s first Relationship Passport. For couples applying for visas or immigration, Bonded automatically collects your shared photos, messages, and memories

• BookStack

  Open-source documentation platform (self-host).

• Busuu

  Language learning with AI and community features.

• Capsule CRM

  Simple CRM for SMEs.

• CharlieHR

  Charlie is the HR software for small teams with big ideas. We believe that while building a company is hard - running one shouldn’t be. Both beautifully design

• ChartMogul

  ChartMogul is a subscription analytics and growth platform that provides real-time SaaS metrics, engagement tracking, and industry benchmarks.

• Checkout.com

  Payments platform.

• Checkout.com

  Enterprise payment processing and financial infrastructure.

• Civica

  UK-based GovTech company providing cloud software for public services, health, and education organisations.

• CKAN

  An open-source Data Management System for powering data hubs portals. CKAN makes it easy to publish, share and use data. Open tech for digital infrastructure.

• Claranet

  Managed cloud services.

• Codemagic

  Leading continuous integration & delivery ( CI/CD) partner for your iOS, Android, Cordova, Ionic, React Native & Flutter projects. Codemagic is a cloud-based c

• Cognism

  Cognism is the leading provider of European B2B data and sales intelligence. Ambitious businesses of every size use our platform to discover, connect, and engag

• Conqorde Ltd

  onqorde develops AIX, a passive GNSS-independent positioning system for aviation and defence. AIX maintains navigation when GPS signals are jammed, spoofed, or unavailable, using ambient RF signals. No new ground infrastructure, no satellite dependency, receive-only. Under UK Ministry of Defence assessment, with European airline flight trials and EASA regulatory engagement in progress.

• Countly

  Countly is a privacy-first digital analytics and customer experience platform built for full data ownership, security, and control.

• Cyclr Systems Ltd

  Cyclr is an embedded iPaaS (integration platform) designed for SaaS applications to create and deliver native integrations using a low-code workflow builder.

• DebugBear

  DebugBear helps businesses monitor and optimize their web performance, with a focus on Google's Core Web Vitals metrics. Track page speed over time, get alerte

• Definely

  UK legal tech startup providing document drafting and review tools that integrate with Microsoft Word.

• Deloitte Digital EU

  Digital transformation consulting for enterprises.

• Deloitte EU Tech

  Professional services firm advising European tech companies on strategy, digital transformation, and compliance.

• Deskpro

  Helpdesk and customer support.

• DLA Piper EU

  Global law firm with major European presence advising on tech transactions, data privacy, and regulatory compliance.

• DNA

  DNA is a content agency offering a cloud-based content hosting and distribution platform designed for marketing, PR, and brand teams.

• DOJO AI

  DOJO AI provides an AI Marketing OS designed for challenger brands, offering enterprise-grade marketing capabilities and automation without the typical complexity.

• Doubleword

  Doubleword is a team of inference experts that provides the cheapest tokens on the market optimised for non-realtime workloads.

• EcoSend

  A B Corp certified email marketing platform for sending newsletters and automated campaigns while supporting climate projects and reducing carbon footprint.

• Element

  Matrix-based secure chat (SaaS + self-host).

• EmailOctopus

  Email marketing for creators and businesses.

• Entrepreneur First

  Talent-first company builder and accelerator.

• Etsetra

  Etsetra provides an AI-powered, no-code website building platform that allows users to create professional, mobile-friendly, and SEO-optimized websites in minutes.

• EventStoreDB

  Event-native database platform.

• EY Startup Hub

  Advisory services for tech startups.

• Fieldfisher

  European law firm with deep tech and privacy expertise.

• Flagsmith

  Decouple deploy and release. Flagsmith helps you ship faster and continuously improve digital products with feature flags. Open source, with flexible deployment

• Gethopp LTD

  Low latency screen sharing app for seamless collaboration for small teams.

• Ghost

  Publishing platform (self-hosted).

• GoCardless

  Direct debit payments platform.

• GoCardless

  Bank payment solutions for recurring payments.

• GP Bullhound

  Tech advisory and investment firm.

• HealthHero

  Digital-first healthcare services across Europe.

• hifo.co

  Hifo.co is a platform that makes it easier for buyers to find the best in tech by making the vendor research process faster and more transparent.

• Hired EU

  Tech hiring marketplace with European presence.

• Hoppscotch

  Open source API development ecosystem. Helps you create, test, save, share API requests faster, saving precious time on development.

• idnorm

  IDNORM is an Al-first company redefining identity verification through in-house innovation developed over the past 10 years. Our goal is simple: to make advanced identity verification available to all. We help you solve: * Seamless user onboarding with minimal drop-offs * Advanced remote identity verification * Real-time fraud detection * Fast and reliable age verification * KYC and AML compliance at scale

• Index Ventures

  European VC firm with offices in London and Geneva backing category-defining companies from seed to growth.

• Infrawatch

  Provides real-time visibility and high-fidelity signals to track proxies, VPNs, and hostile networks for threat intelligence and fraud prevention.

• Inkscape

  Open-source vector graphics editor.

• iProov

  iProov provides biometric solutions that enable organizations to streamline secure remote onboarding and authentication for digital and physical access.

• Juro

  AI-powered contract management platform.

• KALYP Technologies

  Provides blockchain-based B2B software to establish distributed financial infrastructure for more efficient processing of tokenised and traditional securities.

• KindLink Ltd

  KindLink is a SaaS platform that helps businesses manage their Corporate Social Responsibility (CSR), Sustainability, ESG initiatives, fundraising, and volunteering efforts. All while engaging employees and showcasing the corporate social impact to external stakeholders.

• Licel

  Licel is the pioneer and global leader in mobile application and mobile channel protection, securing 12+ billion instances of protected applications worldwide. We provide everything from obfuscation, RASP, whitebox crypto to advanced threat intelligence, attack telemetry, and the most sophisticated Licel vTEE, the only software-based trusted execution environment certified under EMVCo SBMP for both Android and iOS, protecting mobile wallets, banking, and payments at scale.

• Locai Labs

  British AI lab building sovereign foundational AI models. Creators of GB1, the private, planet-friendly AI assistant from the UK.

• Locale

  Building operations platform for commercial property.

• LoreKeeper

  LoreKeeper is an AI-powered game preparation tool for TTRPGs that helps DMs generate NPCs, build locations, and organize campaign lore.

• LumaDock

  LumaDock is a European IaaS provider for fast VPS, GPU and dedicated server deployments.

• Luminance

  AI for contract review and legal document analysis.

• Matrix.org

  Open standard for secure decentralized communication.

• Matterport EU

  3D capture and virtual tours for properties.

• Medbelle

  Digital platform for surgical and specialist care.

• Mediaport Systems Ltd

  Mediaport Systems Ltd develops secure connectivity and edge computing solutions for rapid deployment, challenging environments, and critical communications.

• MMC Ventures

  Venture capital firm

• MOLO APP LIMITED

  MOLO is a smart, AI-powered family-life assistant designed by psychologists and parents to reduce the modern load and modernise the way families operate.

• Monday Sales CRM

  Sales CRM.

• Monzo

  Digital bank with smart money management tools.

• Monzo Bank

  corporate content never felt like Monzo.

• Mossy

  An ecommerce platform providing tools and services to help entrepreneurs and independent businesses sell and thrive online.

• Moterra

  It's like ChatGPT, but private and with my business context!

• Neural

  Neural provides AI-driven customer intelligence and sales performance platforms to help businesses optimize revenue and customer relationships.

• Nominet

  Domain registry services.

• Notion Capital

  Venture capital firm

• Obrela

  A Gartner-recognized MDR service provider offering market-proven cybersecurity solutions and real-time risk management for clients globally.

• Octopus Energy

  Green energy supplier and technology platform.

• OneID

  OneID provides next-generation digital identity verification and orchestration solutions using bank-verified data, telco and government ID sources to secure online transactions.

• Onfido

  Onfido is now Entrust. Visit Entrust.com to learn more.

• Open Web Analytics

  Open-source web analytics framework written in PHP. Self-hosted alternative providing visitor tracking, heatmaps, and custom reporting.

• OperaVPS

  As an advocate of environmental sustainability, OperaVPS is more than just a VPS provider. With their commitment to eco-friendly practices, OperaVPS delivers re

• Orrick EU

  Global law firm with European tech practice.

• osTicket

  Open-source ticketing system (self-host).

• Otta

  Curated tech job matching platform.

• Overleaf

  Collaborative LaTeX editor.

• Oxx

  Venture capital firm

• Payhawk

  Payhawk is an AI-native spend management platform that orchestrates global money across Bills, Cards, Expenses, Travel, and Procurement for maximum control, aut

• Payhip

  Payhip provides an e-commerce platform for selling digital downloads, online courses, coaching, and subscriptions with a professional storefront.

• Paysafe

  ItStartsHere. For 29 years, Paysafe has been a leading payments platform, enabling merchants and consumers to connect and transact seamlessly. Supporting 260 p

• PwC Europe

  Audit, tax, and advisory for tech companies.

• Quantra Solutions Ltd

  Quantra is an AI-powered document intelligence platform built for regulated environments, enabling secure processing of sensitive documents.

• QuestDB

  Open-source time-series database.

• Rallly

  Rallly is the open-source alternative to Doodle. Designed to make organizing events and meetings easier, we help event organizers schedule and collaborate with

• Ravelin Technology

  AI-native fraud prevention company Ravelin provides sophisticated technology and dedicated support to help online businesses block advanced fraud threats and ac

• RevGeni

  Digital team mates helping busy and resource - constrained B2B founders to get their marketing and sales activities done without adding overheads

• Revolut

  Digital banking and financial services super-app.

• RoboShadow

  RoboShadow provides a cyber security platform for tracking external vulnerabilities and managing Zero Trust compliance across devices.

• Room 101 Limited

  Web site hosting, Email hosting, Database hosting, Domain Name Registration and Management since 1998. Small, proud independent, open-standards based, small-business focussed.

• SaaStr Europa

  SaaS community conference for European market.

• Satellite Vu

  Thermal infrared satellite imaging for energy monitoring.

• Second Home

  Creative workspace in London and Lisbon.

• Seedcamp

  London-based pre-seed fund and accelerator backing world-class founders solving real problems with technology.

• SeedLegals

  SeedLegals is the one-stop platform for the legals to grow your business, raise investment and legal contracts you'll likely need. We guide, educate and empowe

• Sentry

  Error monitoring with self-host option.

• Sifted

  European startup news and analysis by FT.

• Snowplow

  Data collection and behavioral analytics pipeline.

• Sofiqe Ltd

  Sofiqe Ltd is a beauty technology company that develops AI-powered precision color matching software, helping consumers find their perfect makeup shades through advanced computer vision and color science.

• Soldo

  Soldo is the proactive spend management solution that frees up businesses to accomplish more. We champion the notion of Progressive Finance, because we believe

• Spidra

  Spidra is a no-code, AI-powered web scraping and crawling platform that lets you extract structured web data effortlessly using natural language prompts.

• Spruce

  Spruce provides all-in-one heat pump design software to help installers streamline processes from initial enquiry to final compliance.

• Stability AI

  Generative AI models.

• Stack Overflow Jobs EU

  Developer job listings with European focus.

• Stacks

  Stacks is an AI close management platform for mid-market and enterprise finance teams. It cuts close time by 70%+ by automating reconciliations, journal entries, and variance analysis. Finance teams at globally operating public and private enterprises including Future Limited, Datavant, and Epidemic Sound trust Stacks to support complex, high-volume, multi-entity and multi-currency close operations with strict control and audit requirements.

• Starling

  Hello, we’re Starling. Banking was broken – so we decided to fix it. The vision? Fast technology, fair service and honest values. All at the tap of a phone, al

• Storesync

  Workforce management software for retail and hospitality businesses (Still in development)

• SumUp

  Card readers and payment solutions for small businesses.

• SumUp

  Payments and POS for SMBs.

• Synthesia

  AI video generation platform.

• TechCrunch Europe

  Global tech media with European coverage.

• Tide

  Tide helps SMEs save time (and money) in the running of their businesses by not only offering business accounts and related banking services, but also a compreh

• tldraw

  tldraw is a React SDK for building infinite canvas applications. You can use it to build whiteboards, design tools, AI editors, or any app that needs a spatial

• TrueLayer

  TrueLayer is Europe’s leading open banking payments network. We power smarter, safer and faster online payments by combining real-time bank payments with fina

• Tyk

  Tyk is a leading API Management Platform. The internet started by connecting mainframes, by the end of the 20th century 600m desktop and laptop computers excha

• Unibloom World

  Unibloom provides a platform to align climate targets with cost alternatives, empowering sustainability and procurement teams to manage Scope 3 emissions and impactful projects.

• Unlock Performance

  Unlock turns proven elite sport psychology into daily, match-ready tools footballers actually use. Built by highly experienced applied sport psychologists in collaboration with professional footballers and Olympic athletes.

• Venture Beat EU

  AI and tech media with European stories.

• Veridium

  Veridium provides an Identity Risk Management Platform featuring AI-based identity threat protection and passwordless biometric authentication solutions.

• Vertice

  An intelligent procurement platform that uses AI insights and agentic workflows to help finance and procurement teams optimize SaaS and cloud spending.

• WeWork EU

  Flexible workspace provider across European cities.

• Wingman AI

  Autonomous aerial robotics

• Wired UK

  UK edition of technology and culture magazine.

• Wise

  International payments and business accounts.

• Wise

  International money transfers and multi-currency accounts.

• Zango

  Zango has an AI Compliance Layer for Financial Services. It provides AI agents for centralizing oversight, ensuring audit readiness, and powering compliance at scale.

• ZenABM

  All-in-one account-based marketing platform for LinkedIn that tracks company-level engagement, syncs with CRM, and provides AI-powered insights.

• ZenMode

  ZenMode is a LinkedIn automation tool that allows users to launch smart automated outreach sequences to book meetings and generate leads quickly.