SaaS Companies Using reCAPTCHA in the UK: 1,530 Active Firms (2026)
SaaS companies using website bot checks sell subscription cloud applications while screening UK web forms and sign-up flows for automated abuse.
For SaaS sellers, a bot-checking layer usually sits at the edge of trial creation, demo requests, login recovery and contact forms rather than inside the subscribed application itself. Adoption tends to signal a direct-channel acquisition model with enough inbound volume for spam, credential-stuffing or synthetic sign-ups to become an operating cost. The buying centre is usually split between growth, web operations and security, with procurement light for smaller subscription businesses and more formal review where enterprise or regulated-market customers expect evidence on data handling and abuse prevention.
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Across UK SaaS, 1,530 actively trading firms are running this bot-checking layer. Reported employment across the adoption cohort is 4,823 staff, which points to a market with many small operators alongside a narrower set of scaled subscription vendors. Within detected Security technologies for SaaS, the system sits first at 86.3% against a 1,773-company denominator. Registered-office concentration is tilted towards London at 32.2%, followed by the South East at 15.2%, North West at 10.3%, South West at 8.2% and East of England at 7.8%.
SaaS suppliers using form-level bot checks are not licensed as a single sector in the UK. Exposure more often comes through the activity around the check: personal-data processing, cookies and tracking choices, cyber-security controls, contract terms, and any client-sector rules that flow down through procurement. The ICO is the relevant UK privacy regulator, so UK GDPR positions on transparency, lawful basis and processor relationships matter when abuse-prevention signals are collected. Cloud dependency also sits in the background, with competition remedies in public cloud infrastructure shaping buyer scrutiny without creating a separate SaaS authorisation regime.
Adoption appears likely to track the tension between frictionless signup and abuse prevention. Smaller SaaS teams tend to keep the default web control in place because it is familiar to developers and easy to attach to common content-management and analytics stacks. More mature sellers may reassess it as privacy reviews, accessibility expectations and enterprise security questionnaires become more demanding. Consolidation in web security and identity tooling could also pull bot detection closer to broader risk-scoring, although many SaaS operators will probably keep a cheap embedded check for public forms while reserving heavier controls for account access and payment-adjacent journeys.
Adoption by company size
Adoption of reCAPTCHA rises with company size across the trading UK SaaS companies in this cohort. 2.7% of the 37,913 companies with under 10 employees run reCAPTCHA (1,029 detected). 24.4% of the 1,886 companies with 10–50 employees run reCAPTCHA (460 detected). 21.7% of the 166 companies with over 50 employees run reCAPTCHA (36 detected). That is a 19% gap between the over 50 employees and under 10 employees bands.
1,530
Active firms
2026
86.3%
Of detected Security share
UK SaaS
6
Median headcount
Filed accounts
3,567
Verified contacts
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Key facts
About 4% of the trading cohort reports turnover above £5M (74 of 1,530 firms) — the rest sits below that revenue band.
6% of the cohort was incorporated since 2022 (100 firms), so a sizeable share is in its first few filing cycles.
Among UK SaaS firms with a detectable security system, the bot-check system accounts for 86.3% (1,530) of 1,773 companies; the next largest alternative accounts for 4.2% (74).
Co-occurrence is concentrated around web infrastructure: 59.3% (907) also run a traffic-protection layer, 59.0% (903) use a publishing platform, and 54.1% (828) use web analytics.
The cohort is London-weighted, with London at 32.2% (493), the South East at 15.2% (232), and the North West at 10.3% (157).
SaaS suppliers are not licensed as a single UK sector; exposure usually comes through UK GDPR, the Data Protection Act 2018, cyber security, consumer/contract law, and sector-specific rules for regulated clients.
For cloud-dependent SaaS, the CMA closed its public-cloud infrastructure investigation on 31 July 2025 after reporting an adverse effect on competition and recommending strategic market status investigations into the two largest cloud infrastructure providers.
Security market share among UK SaaS
What else do reCAPTCHA-running SaaS run?
Share of the 1,530 reCAPTCHA-running UK companies where each technology was also detected. As of June 2026.
Where reCAPTCHA SaaS are, and how healthy they look
By region
By registered-office region; companies without a regional match count toward Rest of UK.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
6
Median headcount
£500.7K
Median UK turnover
4.8%
Above £5M turnover
100
Incorporated since 2022
3,567 verified decision-maker contacts
across these 1,530 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK SaaS using reCAPTCHA
Ranked by sales-readiness score: an AI model assesses what each company does, its sector and size, and scores its overall fit. Best-fit prospects appear first.
Financial sub-scores
Computed from 3 filingsDevelops cloud-based human resources information system (HRIS) software with AI features for managing employee data, onboarding and offboarding, performance reviews, absence tracking, workflow…
Serves growing and global businesses, targeting HR and People Operations leaders plus finance, planning and IT teams responsible for employees across the organisation.
Financial Health
StrongStrong · Hiring · 22% CAGR over 2y
Location
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Computed from 3 filingsDevelops and provides open-source and cloud software platforms for API management, application integration, identity and access management, and AI/agent services, enabling organisations to build,…
Serves large enterprises and public-sector organisations, especially financial services, healthcare, telecoms and government teams, with buyers including CIOs, IT architecture, platform engineering,…
Financial Health
HealthyHealthy · Profitable · 0% CAGR over 2y
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Computed from 5 filingsDevelops event management software for planning and running corporate events, including registration websites, scheduling, budgeting, attendee apps, badge printing, email marketing, travel and…
Serves B2B enterprise event and marketing teams, particularly in legal, finance, automotive and pharmaceutical organisations running live, virtual and hybrid corporate events.
Financial Health
StrongStrong · Growing, Hiring · 18% CAGR over 4y
Location
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Computed from 5 filingsProvides a SaaS platform for digital identity verification and compliance checks, including KYC and KYB screening, sanctions and PEP monitoring, adverse media checks, company data lookup, DBS checks,…
Serves enterprises, SMEs and sole traders in regulated and non-regulated sectors, especially organisations with AML, sanctions screening, KYB/KYC, DBS or safeguarding obligations across multiple…
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 4y
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Computed from 3 filingsDevelops cloud-based management information and finance software for education institutions. Provides systems for pupil data management, school administration, accounting, parent and student portals,…
Serves education-sector organisations, including primary and secondary schools, multi-academy trusts, SEND and all-through schools, maintained schools, local authorities and school finance or…
Financial Health
StrongStrong · Profitable
Location
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Computed from 5 filingsDevelops cloud-based accounting and bookkeeping software for small businesses and freelancers. Platform provides tools for invoicing, bank feeds, receipt capture, expense tracking, financial…
Serves UK small businesses and sole traders, including freelancers, charities, landlords, Amazon sellers, farms, photographers, fitness trainers, travel agencies and landscapers, plus accountants and…
Financial Health
StrongStrong · Hiring · 25% CAGR over 5y
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Computed from 3 filingsDevelops software-as-a-service platforms for healthcare and emergency services, including electronic patient care records, patient pathway management, digital workflow automation, and quality and…
Sells primarily to healthcare organisations, especially ambulance services and NHS trusts, needing patient pathway, compliance and digital workflow systems. Also serves businesses with…
Financial Health
StrongStrong · Hiring · 25% CAGR over 2y
Location
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Computed from 5 filingsDevelops and supplies core insurance software platforms for insurers, brokers and managing general agents. Products support policy administration, claims management, billing, underwriting,…
Serves B2B insurance organisations, including Lloyd’s and London Market syndicates, carriers, MGAs, brokers, and global insurers needing core operational platforms and market-specific technology.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 4y
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Computed from 5 filingsProvides digital identity verification and compliance software for businesses. Offers KYC, KYB and AML screening, document and face verification, liveness checks, transaction monitoring, and fraud…
Serves B2B organisations with online customer onboarding and compliance needs, including banks, fintechs, crypto exchanges, forex platforms, gaming operators, gig-economy firms, marketplaces and…
Financial Health
StrongStrong
Location
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Computed from 3 filingsDevelops and provides a cloud-based platform for identity, access and device management. Software enables organisations to manage user identities, single sign-on, multi-factor authentication,…
Serves IT teams and leaders at businesses managing mixed Windows, Apple, Linux and Android environments, plus MSPs, value-added resellers, distributors and technology partners supporting client…
Financial Health
StrongStrong
Location
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Computed from 3 filingsProvides cloud-based software for managing supplier pricing and rebate agreements. The platform centralises pricing and rebate data, automates calculations and workflows, and offers analytics and AI…
Sells to B2B procurement, finance and sales teams in distribution, manufacturing, retail, food services, and health and life sciences organisations managing complex partner and supplier agreements.
Financial Health
StrongStrong · Hiring · 25% CAGR over 2y
Location
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Computed from 4 filingsDevelops a cloud-based integration platform that connects applications, data sources, and APIs. Provides tools for data integration, ETL/ELT, API management, and workflow automation, with pre-built…
Sells to enterprise IT, data and business teams across manufacturing, retail, financial services and higher education, plus ISVs, MSPs and OEM/embedded providers.
Financial Health
HealthyHealthy · Hiring · 39% CAGR over 3y
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Computed from 3 filingsProvides sales support, marketing, and research and development services to affiliated companies developing enterprise automation software. Supports promotion and adoption of a platform for robotic…
Serves enterprises and public sector organisations, targeting business and IT teams in banking, financial services, healthcare, insurance, manufacturing, supply chain, finance, HR, QA/testing and…
Financial Health
StableStable · Hiring · 10% CAGR over 2y
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Computed from 5 filingsProvides cloud-based payment processing solutions for contact centres and organisations, including IVR phone payments, agent‑assisted payments, pay‑by‑link, web and messaging payments, and open…
Serves B2B organisations and contact centres handling customer payments, including housing associations, debt collection and enforcement firms, utilities, travel agencies, tour operators, charities…
Financial Health
StableStable · Hiring · 3% CAGR over 4y
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Computed from 4 filingsDevelops and supplies Compucare hospital management software for private healthcare providers and NHS units, including patient administration and electronic patient record systems, appointment…
Serves private healthcare providers and NHS organisations, including private hospital groups, independent hospitals and clinics, NHS private patient units, therapy and orthotic departments, and…
Financial Health
HealthyHealthy · Profitable, Hiring · 10% CAGR over 3y
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Computed from 5 filingsDevelops enterprise workflow management software including IT service management (ITSM), professional services automation (PSA), and CRM platforms. Provides tools for service desks, project…
Serves enterprises, managed service providers and consultancy firms, plus public-sector, healthcare, retail, education, financial services, software and telecoms organisations with IT, operations and…
Financial Health
StrongStrong · Growing, Hiring · 40% CAGR over 4y
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Computed from 5 filingsProvides software for capturing, archiving, and supervising electronic communications across channels such as voice, messaging, and social platforms. Offers compliance archiving, surveillance,…
Serves regulated enterprises and public sector organisations, including financial services, legal, life sciences, insurance, energy, government and corporate teams with communications compliance…
Financial Health
HealthyHealthy · -55% CAGR over 4y
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Computed from 4 filingsOperates a cybersecurity platform that runs bug bounty and vulnerability disclosure programs, connecting organisations with vetted ethical hackers to identify software vulnerabilities. Also provides…
Sells to businesses and public sector organisations running security testing programmes, especially teams in retail, gaming, finance, hospitality, SaaS, telecoms, transport, healthcare, media,…
Financial Health
StrongStrong · Hiring · 17% CAGR over 3y
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Computed from 5 filingsProvides cloud-based enterprise data management, data quality management and business intelligence software. Platforms support data governance, ESG data handling, validation, mastering and…
Sells B2B to financial services firms, especially data management, operations and business users needing control, governance and visibility over enterprise and ESG data across the data lifecycle.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
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Computed from 3 filingsProvides employee benefits programmes and administration for employers, including salary sacrifice schemes such as cycle‑to‑work, workplace nursery, gym membership, technology purchases, healthcare…
Sells to UK employers and HR teams across businesses of all sizes, from small companies with a few staff to large nationwide organisations with thousands of employees, with access for their employees.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 2y
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Computed from 5 filingsDevelops and operates an online recruitment and applicant tracking platform for schools, colleges, and multi‑academy trusts. Enables education employers to advertise vacancies, manage applications,…
Serves schools, colleges and multi-academy trusts recruiting education staff, alongside candidates seeking teaching and support roles in education.
Financial Health
StrongStrong · Growing, Hiring · 48% CAGR over 4y
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Computed from 5 filingsDevelops workforce management software for shift‑based organisations, providing tools for employee scheduling, time and attendance tracking, mobile clock‑in, payroll data export, incident reporting,…
Serves shift-based organisations with hourly workforces, including live events venues, security firms, temporary staffing agencies and fire departments, targeting shift, operations, finance and HR…
Financial Health
StrongStrong · Hiring · 7% CAGR over 4y
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Computed from 5 filingsProvides online verification services for education credentials, professional licences and identity documents. Platform enables universities, recruiters and regulators to check international…
Serves higher education admissions teams, background screening and recruitment firms, health and social care employers, and regulatory or professional bodies needing global credential checks; also…
Financial Health
StrongStrong · Growing, Hiring · 24% CAGR over 4y
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Computed from 2 filingsProvides legal technology software and services for law firms, including practice management, legal accounts and case management systems, conveyancing searches and due diligence, AML/KYC checks,…
Serves UK law firms of all sizes, from sole practitioners and small to medium practices to large and top-tier firms, especially legal professionals involved in conveyancing, compliance, client…
Financial Health
StrongStrong · Hiring · 129% CAGR over 1y
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Computed from 5 filingsProvides workforce planning and management software and consulting for NHS organisations, including medical revalidation, appraisal and job planning systems, e‑rostering and leave management tools,…
Serves NHS Trusts and healthcare providers, targeting workforce, medical staffing, HR, operations and clinical leadership teams responsible for planning, rostering, appraisal and productivity.
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 4y
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Computed from 4 filingsProvides market research data collection services, including survey programming, sampling and access to global respondent audiences, data processing, and analysis. Combines a proprietary platform…
Sells to B2B market research teams and insight professionals needing survey data collection, including agencies, consultancies, and in-house research functions at larger organisations seeking global…
Financial Health
StrongStrong · Growing, Hiring · 59% CAGR over 3y
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Computed from 5 filingsDevelops and supplies CHARMS, case management and information management software for social care organisations. The system supports adoption and fostering agencies, residential care providers,…
Sells to B2B and public sector social care organisations, including adoption and fostering agencies, residential care providers, family hubs, local authorities, refugee support services, homeless…
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 4y
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Computed from 3 filingsDevelops compliance management software that analyses documents and asset data for social housing providers. The platform extracts data from certificates and reports, checks them against regulatory…
Serves asset and compliance managers at social housing providers, housing associations and rail organisations, particularly teams responsible for regulated property portfolios, tenant safety and…
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 2y
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Computed from 5 filingsProvides a secure cloud-based collaboration platform that enables organisations to create online workspaces for teams and external stakeholders. Features include document management, task management,…
Serves public sector organisations, enterprises and not-for-profits needing to involve internal teams, external stakeholders, partners, clients and suppliers in cross-organisation projects.
Financial Health
HealthyHealthy · -7% CAGR over 4y
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Computed from 5 filingsDevelops incident reporting, risk management, compliance and facilities management software used by healthcare providers, charities and public sector organisations to record events, manage audits,…
Serves B2B and public-sector organisations in healthcare and social care, including air ambulance services, private hospitals, cosmetic clinics, care homes, charities, non-profits, and local…
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 4y
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Computed from 4 filingsDevelops software and integration services for insurance price comparison platforms. Provides quote and buy portals, broker quote systems, and connectivity tools linking brokers and insurers to major…
Serves B2B customers in the UK insurance market: price comparison sites and aggregators, brokers, insurers and partners across personal and SME commercial insurance classes.
Financial Health
StrongStrong · Growing, Hiring · 10% CAGR over 3y
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Computed from 5 filingsDevelops digital commerce and finance software for the automotive industry. Provides online showroom, checkout and vehicle reservation tools, credit eligibility checks, and APIs that integrate…
Sells to automotive businesses, including vehicle manufacturers, OEM retailers, dealers, lenders and brokers, serving digital commerce and finance teams that sell cars online and through omnichannel…
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 5y
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Computed from 5 filingsDevelops software tools for online platforms to verify users’ age and identity and moderate user‑generated content. Provides API-based age estimation, ID and face‑match checks, email or phone…
Serves B2B online platforms needing age, identity and content compliance, including social media, adult entertainment, online video gaming, marketplaces, dating sites, user-generated content services…
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 4y
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Computed from 5 filingsDevelops digital experience software for marketing and product teams, including content management, A/B testing, personalization, experimentation analytics, and ecommerce tools. Platform uses AI to…
Sells to B2B marketing, digital experience, ecommerce and product teams, including marketers, developers, engineers and digital leaders seeking platforms to manage and optimise customer-facing…
Financial Health
StableStable · Hiring · 38% CAGR over 6y
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Computed from 5 filingsDevelops and sells cloud‑based insurance software for insurers, brokers and MGAs. Platform provides policy administration, underwriting and claims management, product configuration tools, reporting,…
Sells to insurance-sector businesses, including insurers, brokers, managing general agents and claims handlers that need configurable policy administration, underwriting, claims and distribution…
Financial Health
StrongStrong · Hiring · 58% CAGR over 4y
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Computed from 3 filingsDevelops and provides an online marketing analytics and management platform offering tools for SEO, keyword research, backlink analysis, competitor traffic analysis, site audits, content…
Serves B2B marketing teams, SEO, PPC, content and social media specialists, digital agencies, enterprise brands and local businesses managing online visibility and digital marketing channels.
Financial Health
StrongStrong
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Computed from 4 filingsDevelops digital banking software for banks, electronic money institutions and payment providers, including platforms for omni‑channel banking, customer onboarding with KYC/KYB, core banking ledger…
Serves B2B financial institutions, including banks, electronic money institutions, digital banks, payment service providers, remittance companies, credit unions and cooperatives.
Financial Health
StrongStrong · 12% CAGR over 2y
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Computed from 5 filingsDevelops practice and case management software for enterprise law firms, integrating matter management, legal accounting, document management, compliance tools, reporting and API integrations to…
Sells to enterprise law firms in the UK, serving legal practices seeking practice and case management software, including firms with multiple departments and complex compliance, accounting and…
Financial Health
HealthyHealthy · -4% CAGR over 5y
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Computed from 3 filingsDevelops and provides digital procurement software for managing tendering, supplier evaluations, contracts and electronic auctions. Also offers managed procurement services, system training,…
Serves procurement and purchasing teams in public and private sector organisations, as well as suppliers engaging with UK tender opportunities through its procurement portals.
Financial Health
StableStable · -89% CAGR over 2y
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Computed from 5 filingsDevelops low‑code software platforms for the insurance sector. Provides tools to build and manage digital processes and applications, including policy management, claims handling, complaints…
Serves B2B insurance-sector organisations, including insurance companies, third-party administrators, brokers, managing general agents and Lloyd’s brokers seeking digital process and product…
Financial Health
StrongStrong
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Computed from 2 filingsDevelops financial reporting, business intelligence, budgeting and enterprise performance management software. Products integrate with ERP systems and Excel to provide reporting, analytics…
Serves B2B finance, accounting and operations teams, especially CFO offices at mid-sized and enterprise organisations using major ERP, EPM, BI and data platforms such as Oracle, SAP, Microsoft, Qlik…
Financial Health
StrongStrong · Hiring · 48% CAGR over 1y
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Computed from 5 filingsDevelops and supplies cloud-based care management software for healthcare and social care providers. The platform includes electronic care planning, medication administration records (eMAR), staff…
Serves UK care providers including residential care homes, domiciliary care agencies, supported living services, large care groups, council day centres and specialist colleges, targeting managers and…
Financial Health
HealthyHealthy · -63% CAGR over 4y
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Computed from 5 filingsProvides sales and marketing support for a group developing enterprise DevOps software. Activities promote tools for version control, test data management, application testing, infrastructure…
Sells to enterprise software development and DevOps teams building mission-critical applications, including organisations in financial services, software and IT, media, gaming, semiconductor,…
Financial Health
StrongStrong · Hiring · 9% CAGR over 4y
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Computed from 3 filingsDevelops software for managing children’s social care settings, including children’s homes and supported accommodation. Provides tools for case recording, staff management, rota and attendance…
Serves UK children’s social care providers, including children’s homes, supported accommodation for care leavers, SEND schools, family assessment centres and secure units, plus local authorities…
Financial Health
StrongStrong · Growing, Hiring · 31% CAGR over 2y
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Computed from 5 filingsProvides online data search and API services that aggregate UK people, address, phone and company information from government, commercial and marketing datasets. Offers tools for person and director…
Serves UK businesses, public sector organisations and consumers needing people, address and company data, including CRM teams, age-restricted sellers, investigators and firms checking companies or…
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
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Computed from 3 filingsDevelops and provides software for visitor management, facility bookings and payments. Products include Visitor Express for reception, room booking and building access integration, plus online…
Serves B2B customers, particularly facilities, security, workplace and operations teams in large organisations, banks, retailers and corporate sites, plus high-street businesses that take customer…
Financial Health
StrongStrong · Growing, Hiring · 73% CAGR over 2y
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Computed from 5 filingsDevelops business management and field service software for industries such as pest control, lawn care, cleaning and security. Products include routing optimisation, workforce management, ERP,…
Serves B2B field service and mobile workforce businesses, including pest control, lawn care, landscaping, cleaning, janitorial, security guarding, delivery, logistics and medical transport operators.
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
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Computed from 5 filingsDevelops enterprise architecture software that models business capabilities, applications, data and technology in a central repository. The platform supports analysis of dependencies, risks and…
Sells B2B to large, complex organisations, including Fortune 1000 companies and government agencies. Targets CIOs, CXOs, enterprise architects, strategy and transformation leaders, and risk managers…
Financial Health
StrongStrong · Hiring · 22% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides a financial research platform that aggregates macroeconomic and financial market data from multiple sources and offers tools for analysis, charting, visualization, and report creation used…
Serves B2B financial and economic research users at hedge funds, investment banks, asset managers, research institutions, pension funds and corporations, including economists, strategists and traders.
Financial Health
StrongStrong · Growing, Hiring · 44% CAGR over 4y
Location
Unlock all 1,530 leads
Showing 49 of 1,530 — +1,481 more with verified decision-maker contacts, live data, and CRM sync.
Unlock all 1,530 leads
Showing 49 of 1,530 — +1,481 more with verified decision-maker contacts, live data, and CRM sync.
How reCAPTCHA usage is detected
Company data
Detected companies are joined to UK Companies House records and XBRL accounts data. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Detection
Firmbase crawls the public website of actively-trading UK companies and fingerprints the technologies present: tracking scripts, embedded forms, chat widgets, CMS markers and similar signatures. A company is included in this list when one or more of the technology's signatures are found on its site; closely-related variants of the same product are grouped under one name. Detection covers what is visible on the public web — a company using the technology purely internally, with no website footprint, will not appear. Counts are therefore a conservative floor, not a ceiling. SaaS companies are identified using Firmbase's semantic classification of company activity, built from filings, websites and registered SIC codes rather than SIC codes alone. The detected counts and share figures on this page are computed within that sector cohort, so "share" always means share of SaaS companies with a detectable system — not of all UK companies.
Freshness
Websites are re-crawled on a rolling basis and the underlying company data is refreshed from Companies House continuously; filings appear within days of submission. The list and its statistics are regenerated when the detected cohort moves meaningfully. You can see the last-updated timestamp near the top of the page.
reCAPTCHA is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
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Frequently asked questions
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How is reCAPTCHA usage detected?
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