Software from United Kingdom: 192 vendors in 77 categories.

UK accounting and business-banking app, banking services via a Griffin partnership.

British neobank with smart budgeting tools and instant notifications

UK FCA/PRA-regulated business bank for SMEs (£1m-£100m lending).

British fintech app for banking, investing and international payments

British digital bank with personal and business accounts and marketplace

UK FCA/PRA-licensed digital bank with a green/sustainability focus.

British business bank account for small companies and freelancers

British platform for affordable international money transfers and multi-currency accounts

British public streaming platform by the BBC with series, films and documentaries

British film streaming platform by the British Film Institute with classics and arthouse

British free streaming platform by Channel 4 with series and films

British streaming platform with arthouse and independent films on premiere day

owner in United States

British free streaming platform by ITV with exclusive series and live TV

British curated art-house cinema streaming platform

British free streaming platform by Channel 5 with reality and entertainment

Scottish free streaming platform with Scottish series and news

UK scheduling software (Cambridgeshire, now Sign In Scheduling) for appointments and administrative management, aimed at medical practitioners and service businesses.

British online booking system for appointments and events

UK-based (Nottingham, registered as Cronofy Limited, company no. 07878590) scheduling API and infrastructure provider for enterprise multi-person scheduling, offering configurable data-centre residency across US, UK, EU, and APAC regions; GDPR, HIPAA, SOC 2 and ISO certified.

UK booking platform for beauty and wellness, unicorn valuation ($1B+, 2026).

UK booking and practice-management platform for healthcare and spas, founded 2012.

UK appointment and customer-experience platform, owned by Verint since 2023.

owner in United States

British online booking platform integrated with Google and Microsoft calendars

Privacy-first, carbon-conscious web analytics from a UK company, data hosted primarily in Ireland.

Chartbrew is a data-visualisation and dashboard platform. From version 4 (2024) it is licensed under the Functional Source License 1.1 (FSL-1.1-MIT, 'Fair Source'), which is not OSI-approved open source: competing commercial hosting is restricted until each release automatically converts to MIT after two years. Earlier versions (pre-v4) remain MIT. The company is based in Romania (EU).

British product analytics platform for mobile and web

open-source

Lightweight, cookie-free web analytics from a UK-registered company, data hosted in Germany.

UK open-source product analytics with EU cloud hosting

open-source

Open-source, cookieless web analytics; company registered in the UK, hosting in Germany.

open-source

British online accounting platform with built-in tax return for freelancers

British online accounting package focused on freelancers and small companies

Swedish enterprise ERP for asset-intensive industries

British business intelligence and financiele analytics software for SMEs

owner in United States

British enterprise accounting and ERP software

Comprehensive desktop and cloud accounting software for SMEs of British origin

UK-based global payment processing platform for enterprise merchants

British-Ukrainian payment platform for online payment processing in Europe

British platform for automatic direct debit payments and bank transfers

UK mobile point-of-sale and payment platform (HQ London, post-Brexit); IE entity for PSD2 license

British open-banking platform for A2A payments and bank infrastructure

British open-banking platform for direct bank payments and financial data

UK digital-signage platform (Panasonic-backed) with a modular Beeblade architecture.

UK digital-signage SaaS on AWS (Manchester), founded 2013, focused on retail and QSR.

UK cloud-based digital signage CMS for content management and remote device control; owned by private-equity firm Tenzing since May 2026.

UK digital signage CMS (Cambridge) with multi-format scheduling for 2,500+ enterprise users in 89 countries; owned by Swiss Navori Labs since August 2025.

owner in Switzerland

Open-source digital signage content management system with scheduling capabilities

open-source

Forminit (formerly Getform.io) is a form backend service for developers, allowing form submissions to be collected and managed without a backend. EU-hosted, proprietary SaaS.

Interactive form builder with focus on conversation and user experience

Form platform that looks like a document with powerful logic and payments

Form builder with conditional logic and hidden fields

UK feedback/survey platform (SmartSurvey Ltd, registered company no. 04885155, Tewkesbury, England). ISO 27001 certified, FSQS-accredited, G-Cloud approved, UK-only data hosting. Actively sold with 600,000+ customers including public sector clients. Note: UK is not EU/EEA/EFTA post-Brexit, so this vendor sits outside strict EU-sovereignty scope despite UK adequacy status — flagged here as headquarters_region OTHER / eu_classification none per catalog rules.

UK HR software for SMEs, operated by Breathe HR Ltd (company number 13071896, registered and Active per Companies House), headquartered in Horsham, West Sussex. Product covers absence tracking, performance management, onboarding, rota and payroll integration; actively sold with 17,000+ UK SME customers as of 2026. No foreign parent company found in accessible records. Note: as a UK (non-EU/EEA/EFTA) vendor it should be classified 'none' for eu_classification and 'OTHER' for headquarters_region, not treated as an EU-sovereign option despite UK data residency.

Modern HR platform for medium-sized companies with focus on culture and engagement

Open-source HR management system for SMEs

open-source

HR software by Sage for leave, shifts and performance management

Cloud HR and personnel management system by Sage for global organisations

British open-source peer-to-peer encrypted messenger via Tor

open-source

British secure messaging platform on the open Matrix protocol

open-source

Decentralised messenger without user IDs for maximum privacy

open-source

Simple XMPP messaging solution for families and small groups

open-source

UK open-source Discord alternative (Revolt Platforms Ltd, London) with servers, channels and voice, GDPR-compliant.

open-source

UK open-source platform for collecting and prioritizing customer feedback via community voting.

open-source

London-based product feedback management tool for collecting, organizing and acting on customer input with roadmap planning.

London-founded (2012) product management platform for centralizing ideas, feedback and roadmaps.

UK open-source (AGPL-3.0) customer-feedback platform with AI sentiment analysis (Nottingham).

open-source

UK platform for customer feedback and feature-request voting.

UK AI-driven workforce-transformation platform (London) combining ATS, candidate engagement and talent management.

UK-based (since 1998) cloud ATS platform with recruitment CRM, onboarding, analytics, and UK G-Cloud public-sector availability. Actively marketed in 2026 (publishes 2026 UK Candidate Attraction Report).

owner in United Kingdom

UK recruitment CRM and software platform (Glasgow, founded 2010) for recruitment agencies and in-house teams.

British ATS platform for internal recruitment and recruitment agencies

UK ATS platform (Jersey) with a focus on candidate experience and DEI.

UK cloud backup and sync platform with unlimited backup space, part of j2 Global.

owner in United States

UK disk imaging, cloning and backup software for Windows (Paramount Software UK), 2M+ users.

Open-source command-line tool for synchronising files with 70+ cloud providers

open-source

British platform for network configuration backup and disaster recovery

owner in United States

Established UK CMP trusted by the UK ICO and government bodies; GDPR/CCPA/LGPD compliant with WCAG 2.1AA accessibility.

UK-based consent management platform with cookie scanning and policy generation for enterprise and SMB customers.

Open-source WordPress plugin (GPL) for storing consent locally in your own database, free of external SaaS dashboards. Used on 300,000+ websites. Developed by Moove Agency (United Kingdom).

open-source

British AI-driven privacy and consent platform operating under UK-GDPR legislation post-Brexit.

British AI cybersecurity company for autonomous threat detection

owner in United States

Greek cybersecurity training and simulation platform for security professionals

Email-security vendor with global HQ in London, UK; taken private in 2022 by UK-based PE firm Permira — not EU-owned.

British cybersecurity company with endpoint, network and cloud security solutions

owner in United States

UK open-source, responsive e-learning authoring tool.

open-source

Cloud-based, GDPR-compliant e-learning authoring tool from Brighton, UK; acquired by Learning Pool in October 2025.

UK cloud-based authoring tool, owned by Learning Technologies Group.

British open-source platform for creating interactive e-learning content

open-source

British ITSM platform with focus on service management and automation

owner in Canada

UK-based Enterprise Service Management / ITSM SaaS platform (incident, request, change, problem, asset management), headquartered in London.

IT service management platform with EU hosting and asset management

ITSM platform with EU hosting for incidents, changes and assets

UK legal-document-automation platform (Birmingham, founded 2011) for law firms and in-house teams.

UK CLM and vendor-risk-management platform (London) with contract drafting, e-signature and compliance monitoring.

UK AI-native contract lifecycle management platform (London) for drafting, reviewing, negotiating and managing contracts.

British AI platform for legal document analysis and due diligence

British AI platform for spoken AI assistants and customer service

British AI company behind Stable Diffusion for image generation

open-source

British AI video platform for generating presentation videos with avatars

Decentralised messaging based on the open Matrix protocol

open-source

Open-source WebRTC infrastructure for real-time audio and video applications

open-source

Matrix homeserver; self-hostable.

open-source

Raster image editor (Photoshop alternative) by Serif Ltd (Nottingham, UK), wholly owned by Australia's Canva since March 2024. Folded into the unified 'Affinity by Canva' app since October 2025; download requires a Canva account.

owner in Australia

Open-source diagram tool (formerly draw.io) for technical and business diagrams

open-source

UK vector-graphics design software (Hemel Hempstead) for illustrations and web layouts, owned by Germany's MAGIX AG.

owner in Germany

Self-hosted status page

open-source

Open-source CI/CD system with container-based pipelines

open-source

Open-source GitOps tool for Kubernetes continuous delivery

open-source

Encrypted DNS service (DoH/DoT) from UK ISP Andrews & Arnold, with no filtering or logging, open to non-customers.

Dnsmasq is a lightweight, self-hosted DNS forwarder/cache with an integrated DHCP server, actively maintained by Simon Kelley (UK), with a 2.93 release in 2026.

open-source

Stubby is a self-hosted DNS Privacy stub resolver (DNS-over-TLS) from the getdns team/Sinodun IT (UK); development has slowed to low-maintenance mode since mid-2025 but the project is not abandoned.

open-source

Open-source network monitoring system with auto-discovery and alerting

open-source

Network monitoring platform with auto-discovery for switches, routers and servers

open-source

British (Grays, England) website uptime monitoring and status-page platform, with SSL/domain checks, global testing locations and multi-channel alerting for 200,000+ users.

UK contract-management and spend-analysis platform (Cardiff, founded 2009), owned by Banyan Software.

Spend management and procurement software supporting both on-premises and cloud deployment with regional Azure instances and tier-3 colocation options.

UK spend-analysis platform (Portsmouth, founded 2007) with spend, supplier and contract management.

Self-hosted documentation and wiki platform

open-source

British project management platform with customer portal and communication tools

Project management and task management platform with visual workflows and time tracking

Mindgard is a UK (Lancaster University spin-out) platform for automated AI red teaming and continuous security testing of LLMs, AI agents and multimodal models.

Sophos AI Defense (Abingdon, UK; generally available since October 2026; owned by US-based Thoma Bravo) discovers shadow-AI usage and enforces policy on AI interactions across the organisation.

owner in United States

UK orchestration and deployment platform (London) integrating with AWS, GCP, DigitalOcean, Hetzner and OVH.

UK-based PaaS for deploying and managing applications and databases

Open-source CMS with focus on elegance, simplicity and performance

open-source

Open-source CMS built on Django/Python with British origin

open-source

British privacy platform for data mapping, consent management and GDPR compliance

Compliance module by Sage for GDPR management in business software

British simple CRM system for contact management and sales pipelines

Open-source enterprise CRM forked from SugarCRM

open-source

The global open-source standard for data portals and catalogs, heavily used by European governments for open-data governance (incl. data.europa.eu, data.gov.uk, govdata.de). Governed by the Open Knowledge Foundation (UK).

open-source

British platform for metadata visualisation and complex data lineage, widely used by major European banks for regulatory reporting.

British data integration platform for loading and transforming data in the cloud

Open-source ELT platform for extracting and loading data with Singer taps

open-source

Open-source time-series database for high ingestion speeds and SQL queries

open-source

Multi-model database combining SQL, document, graph and key-value models

open-source

UK specialised DAM and AI proposal-writing platform (London) for architecture, engineering and construction firms, from Axomic.

British open-source DAM for self-hosting, popular with museums, NGOs and public sector

open-source

Flexible and highly configurable open-source Mail Transfer Agent, originating at the University of Cambridge (UK) and widely used in complex enterprise environments for advanced email routing. Community-maintained, no controlling company.

open-source

Modern open-source email server written in Rust with JMAP support

open-source

UK platform (London) for cloud carbon-emissions tracking and FinOps, ISO-14064 verified.

Open-source infrastructure cost estimation tool for Terraform showing cost breakdowns and diffs in pull requests.

open-source

UK genealogy platform (Frome) with detailed UK/Irish regional ancestry breakdown.

UK at-home finger-prick blood testing service, independent.

Open-source identity federation framework for SSO in education and government

open-source

UK KYC/AML and identity-verification provider (London, 2015).

UK enterprise realtime messaging/MQTT platform (London), founded 2016, 30+ global data centres.

British platform for managing and deploying IoT fleets on Linux devices

open-source

Open-source low-code platform from the UK for building internal tools

open-source

British open-source (MIT) no-code web-application builder for building database-driven websites and apps without writing a line of code.

open-source

British platform for marketing analytics and campaign automation

British marketing automation platform with omnichannel campaign management

UK fan-centric royalty model (London, founded 2022) where subscription fees flow directly to the artists actually listened to.

British platform for DJ mixes, radio shows and podcasts

UK productivity launcher for macOS (Running with Crayons, Cambridge) for app search, workflows, hotkeys, snippets and clipboard history. Runs entirely locally; settings sync only through a cloud folder the user chooses (iCloud, Dropbox, Google Drive, OneDrive).

Popular Linux distribution developed by Canonical, suitable for desktop and server

open-source

British independent search engine with own crawler

British privacy search engine that does not track user data

UK multi-channel messaging API platform (Nottingham, part of Commify) for SMS, RCS, WhatsApp, email and voice across 200+ countries.

Global omnichannel communications platform with SMS and messaging APIs

UK container-and-VM hypervisor platform from Canonical (maker of Ubuntu).

open-source

MicroCloud is an open-source clustering solution from Canonical that combines LXD, MicroCeph and MicroOVN into a small, self-hostable private cloud cluster.

open-source

UK all-in-one platform for mind mapping, task management and whiteboards.

UK mind-mapping and whiteboard platform (CoggleIt Limited) with 10M+ users.

Self-hosted, open-source AI coding assistant with encryption-at-rest and no server-side data collection; UK-registered.

open-source

British open-source API gateway and management platform with high scalability

open-source

Open-source lightweight BPM and workflow engine for Java applications

owner in United States · open-source

Firefox-based browser with focus on privacy and legacy extensions

open-source

Open-source BI platform (MIT licence) that integrates directly with dbt: metrics and dimensions are defined once in dbt YAML and reused across dashboards. Developed by Lightdash Ltd. (London, UK).

open-source

Open-source CFD toolbox for computational fluid dynamics simulation

owner in United States · open-source

Privacy-first, open-source proof-of-work verification tool (npm package @swetrix/captcha) by Swetrix Ltd, integrating seamlessly with their sovereign web-analytics platform. Registered in Edinburgh, UK; data hosted in the EU.

open-source

Czech CDN provider offering high-performance content delivery across Europe

British cloud storage with Twofish encryption and virtual drive

Open-source (Apache 2.0) behavioural data pipeline for collecting, validating, and enriching event data; supports EU data residency via self-hosting on AWS/GCP/Azure EU regions.

open-source

open-source content services platform for enterprise content management and workflow

owner in United States · open-source

UK independent registrar with fair sustainable pricing, DNSSEC support and API access.

UK MDM and mobile-threat-defense platform (Sophos), integrated with the Sophos ecosystem.

Northern Irish ESG platform (Belfast) with a 4-pillar framework, active in 30+ countries.

UK open-source feature-flag management platform with remote configuration, A/B testing and a self-hosting option.

open-source

UK-based QGIS specialist (registered office in Ashford, Kent, with an additional office in Slovakia — an EU location) providing QGIS core development, consulting, training and support, plus the proprietary Mergin Maps field-data platform built on open-source QGIS foundations. Confirmed active with training courses scheduled through late 2026. Note: HQ is UK (post-Brexit, non-EU), though it maintains an EU office in Slovakia.

open-source

Mirth Connect healthcare integration engine by NextGen Healthcare. Proprietary since version 4.6 (March 2025); version 4.5.2 is the last open-source release. Available only through NextGen Healthcare and authorised resellers.

owner in United States

UK AI customer-support platform, owned by ESW Capital.

UK-based enterprise LibreOffice-powered online office suite for self-hosting and cloud

open-source

Password manager and form filler with EU data centres

UK professional video editing and compositing software, relaunched under new ownership in 2024.

British RPA platform (Warrington, UK), owned by America's SS&C Technologies since March 2022.

owner in United States

UK (Cambridge) remote access and remote support software provider, creator of the original VNC protocol; sells VNC Connect for enterprise remote desktop access. Backed by UK private-equity firm Livingbridge since 2021 (no majority foreign control).

UK enterprise tag-management platform with real-time tag control.

Croatian omnichannel communication platform with SMS, voice and chat APIs

UK codeless AI-driven test-automation platform (London) with self-healing tests.

Industry-standard computer-assisted translation tool for professional translators

Privacy VPN with servers in Europe and no traffic logs

UK-based writing improvement tool (operated by Orpheus Technology Ltd, registered in London; product team based in Oxford, founded 2011/2012). Combines grammar and spelling correction with in-depth reports on pacing, repetition, sentence structure, dialogue, and readability, aimed particularly at novelists and non-fiction authors. Integrates with Word, Google Docs, and Scrivener. Serves over 4 million writers via a freemium subscription model.