London, United Kingdom

Discover 148 tech companies headquartered in London, United Kingdom.

Companies in London

  • Countly

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

  • Day Off

    Day Off is a simple leave management platform for tracking employee time off, approvals, balances, and holidays, all in one shared team calendar.

  • LumaDock

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

  • Moterra

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

  • Locai Labs

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

  • Quantra Solutions Ltd

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

  • 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

  • ZenMode

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

  • 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.

  • RoboShadow

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

  • Index Ventures

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

  • RevGeni

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

  • 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.

  • 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.

  • KALYP Technologies

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

  • Balderton Capital

    Balderton Capital is a London-based venture capital firm focused exclusively on backing European-founded technology companies. The firm partners with entrepreneurs from early-stage seed rounds through to growth stages, offering a dedicated wellbeing programme and portfolio support services.

  • iProov

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

  • ZenABM

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

  • Atomico

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

  • Obrela

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

  • Mossy

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

  • Mediaport Systems Ltd

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

  • Bonded

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

  • MMC Ventures

    MMC Ventures is a research-led venture capital firm backing early-stage AI and data companies across Europe. It primarily leads Series A rounds and selectively invests at Seed, serving founders in sectors such as fintech, health, and cloud infrastructure.

  • SaaStr Europa

    SaaS community conference for European market.

  • 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.

  • 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.

  • 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.

  • Anchorpoint Systems Ltd

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

  • 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

  • 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

  • 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

  • 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

  • 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

  • Payhawk

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

  • 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

  • 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

  • Ghost

    Publishing platform (self-hosted).

  • osTicket

    Open-source ticketing system (self-host).

  • Nominet

    Domain registry services.

  • Overleaf

    Collaborative LaTeX editor.

  • GoCardless

    Direct debit payments platform.

  • SumUp

    Payments and POS for SMBs.

  • Monday Sales CRM

    Sales CRM.

  • Deskpro

    Helpdesk and customer support.

  • Synthesia

    AI video generation platform.

  • Capsule CRM

    Simple CRM for SMEs.

  • EmailOctopus

    Email marketing for creators and businesses.

  • Element

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

  • 4 Day Week

    Job board for companies offering 4-day work weeks.

  • ChartMogul

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

  • GP Bullhound

    GP Bullhound is a global technology investment bank and advisory firm. It provides M&A, growth capital, and investment services to technology innovators and investors.

  • Bird & Bird

    Bird & Bird is an international law firm that provides legal services to organisations navigating technological and regulatory change. The firm supports clients with expertise in areas including technology, intellectual property, and commercial law.

  • Orrick EU

    Global law firm with European tech practice.

  • EY Startup Hub

    EY is a professional services firm providing strategy, consulting, tax, and transaction advisory. It serves diverse sectors, including technology and private equity, with a focus on business transformation.

  • DLA Piper EU

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

  • Deloitte EU Tech

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

  • Seedcamp

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

  • 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

  • Ravelin Technology

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

  • Paysafe

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

  • Monzo Bank

    corporate content never felt like Monzo.

  • Flagsmith

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

  • Codemagic

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

  • Claranet

    Managed cloud services.

  • Matrix.org

    Open standard for secure decentralized communication.

  • Stability AI

    Generative AI models.

  • Wise

    International payments and business accounts.

  • BookStack

    Open-source documentation platform (self-host).

  • Open Web Analytics

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

  • Checkout.com

    Payments platform.

  • Snowplow

    Data collection and behavioral analytics pipeline.

  • TechCrunch Europe

    Global tech media with European coverage.

  • Doubleword

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

  • 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.

  • 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.

  • DOJO AI

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

  • Civica

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

  • Definely

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

  • 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

  • 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

  • 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

  • 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

  • Onfido

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

  • Sentry

    Error monitoring with self-host option.

  • Attio

    Modern CRM for teams.

  • Hired EU

    Tech hiring marketplace with European presence.

  • Otta

    Curated tech job matching platform.

  • Stack Overflow Jobs EU

    Developer job listings with European focus.

  • Entrepreneur First

    Talent-first company builder and accelerator.

  • Bethnal Green Ventures

    Tech for good accelerator and early-stage investor.

  • Artifact Security

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

  • Kantis

    European compliance automation. Kantis gets startups ISO 27001, SOC 2, GDPR and EU AI Act ready in weeks, so security reviews stop blocking deals

  • Vertice

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

  • EcoSend

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

  • PwC Europe

    Audit, tax, and advisory for tech companies.

  • Deloitte Digital EU

    Digital transformation consulting for enterprises.

  • Wingman AI

    Autonomous aerial robotics

  • Second Home

    Creative workspace in London and Lisbon.

  • Wired UK

    UK edition of technology and culture magazine.

  • Sifted

    European startup news and analysis by FT.

  • Hoppscotch

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

  • RecordRanks

    All-in-one platform for sports rankings and competition management, with full record tracking, automated rankings and all the tools to propel your sport forward

  • Metaview

    Metaview is a recruiting platform of AI agents that provide automated interview notes, reports, job post generation, sourcing and application review agents.

  • Payhip

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

  • 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.

  • Inkscape

    Open-source vector graphics editor.

  • EventStoreDB

    Event-native database platform.

  • QuestDB

    Open-source time-series database.

  • Notion Capital

    Venture capital firm

  • Oxx

    Venture capital firm

  • Satellite Vu

    Thermal infrared satellite imaging for energy monitoring.

  • AgriWebb

    Livestock management and traceability platform.

  • Locale

    Building operations platform for commercial property.

  • Busuu

    Language learning with AI and community features.

  • Monzo

    Digital bank with smart money management tools.

  • Wise

    International money transfers and multi-currency accounts.

  • GoCardless

    Bank payment solutions for recurring payments.

  • Storesync

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

  • Checkout.com

    Enterprise payment processing and financial infrastructure.

  • SumUp

    Card readers and payment solutions for small businesses.

  • Luminance

    AI for contract review and legal document analysis.

  • Juro

    AI-powered contract management platform.

  • Medbelle

    Digital platform for surgical and specialist care.

  • 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.

  • Infrawatch

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

  • 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.

  • Rabata

    Rabata.io provides secure, S3-compatible cloud storage solutions designed to be cost-effective with enterprise-grade performance.

  • 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.

  • Erlang Solutions

    Specialists in building massively scalable, distributed systems and instant messaging solutions using Erlang, Elixir, and RabbitMQ.

  • Spruce

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

  • Veridium

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

  • 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.

  • 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.

  • Fieldfisher

    European law firm with deep tech and privacy expertise.

  • BAE Systems

    Multinational defence, security, and aerospace.

  • Matterport EU

    3D capture and virtual tours for properties.

  • Revolut

    Digital banking and financial services super-app.

  • LoreKeeper

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

  • 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.

  • Octopus Energy

    Green energy supplier and technology platform.

  • HealthHero

    Digital-first healthcare services across Europe.

  • DNA

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

  • WeWork EU

    Flexible workspace provider across European cities.

  • Venture Beat EU

    AI and tech media with European stories.

  • OneID

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

  • Neural

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

  • Gethopp LTD

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