SaaS Companies Using Cloudflare in the UK: 2,982 Active Firms (2026)
SaaS companies using CDN and edge-security tooling sell subscription cloud applications to businesses from UK operations.
For subscription software vendors, CDN and edge-security tooling sits between the application, marketing site and customer traffic, so adoption tends to involve engineering, security, growth and revenue operations rather than a single website owner. In this SaaS cohort, running the stack usually signals a public web product with direct acquisition channels, uptime expectations and some exposure to automated abuse. The buying centre is therefore mixed: product teams care about latency, security teams about bot filtering and data handling, and commercial teams about page performance, conversion measurement and video delivery across mid-market and enterprise sales motions.
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The UK adoption base includes 2,982 actively trading SaaS firms running the stack. Within the sector's detected CDN category, it ranks first with an 87.5% share, against a denominator of 3,409 SaaS companies where at least one CDN system was identified. The registered-address skew is clear but not absolute: London accounts for 40.6% of the cohort, followed by the South East at 14.0%, North West at 9.3%, South West at 7.2% and East of England at 6.7%. For the headcount population, all 126 firms report employment, at 11,181 employees in total.
UK SaaS suppliers are not licensed as a single sector, so the relevant obligations usually follow the job the software performs and the customers it serves. For companies running edge-security and analytics-adjacent web infrastructure, UK GDPR, the Data Protection Act 2018 and ICO guidance matter where traffic logs, cookies, identifiers or customer-user records are processed. Cloud dependency also sits in a market under competition scrutiny: the CMA closed its public cloud infrastructure services investigation on 31 July 2025, reported an adverse effect on competition and moved towards remedies. That is a market-structure issue, not a separate SaaS-provider licensing regime.
Adoption appears to be settling into the default operating stack for SaaS firms that sell through public web applications and need to manage latency, abusive traffic and measurement without building those controls in-house. The more interesting movement is likely to be around consolidation of web performance, bot defence, privacy controls and observability into fewer operational workflows. Smaller suppliers may keep buying through bundled website and hosting channels, while later-stage vendors tend to bring security review, procurement and data-protection assessment into the renewal cycle. That pattern favours tools that can satisfy both engineering and governance buyers.
Adoption by company size
Adoption of Cloudflare rises with company size across the trading UK SaaS companies in this cohort. 5.1% of the 37,913 companies with under 10 employees run Cloudflare (1,925 detected). 47.4% of the 1,886 companies with 10–50 employees run Cloudflare (894 detected). 58.4% of the 166 companies with over 50 employees run Cloudflare (97 detected). That is a 53.3% gap between the over 50 employees and under 10 employees bands.
2,982
Active firms
2026
87.5%
Of detected CDN share
UK SaaS
6
Median headcount
Filed accounts
6,999
Verified contacts
Across this cohort
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Key facts
About 6% of the trading cohort reports turnover above £5M (202 of 2,982 firms) — the rest sits below that revenue band.
10% of the cohort was incorporated since 2022 (313 firms), so a sizeable share is in its first few filing cycles.
Among 3,409 SaaS firms with a detectable CDN, the profiled system appears on 87.5% (2,982); the next two detected systems appear on 19.8% (676) and 19.2% (654).
London accounts for 40.6% (1,210) of the cohort by registered ITL1 region, followed by the South East at 14.0% (416) and the North West at 9.3% (277).
Tag-management and analytics scripts are common companion layers, detected on 55.9% (1,667) and 48.4% (1,442) of these SaaS users respectively.
SaaS suppliers are not licensed as a single UK sector; regulatory exposure usually sits with ICO data-protection duties under UK GDPR and Data Protection Act 2018, plus cyber security, consumer or contract law, and client-sector rules.
The CMA closed its UK public-cloud infrastructure case on 31 July 2025, reported an adverse effect on competition, and recommended strategic market status investigations into the two largest cloud infrastructure providers.
CDN market share among UK SaaS
Share of the 3,409 UK SaaS with a detectable system. As of June 2026.
What else do Cloudflare-running SaaS run?
Share of the 2,982 Cloudflare-running UK companies where each technology was also detected. As of June 2026.
Where Cloudflare 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
£546.5K
Median UK turnover
6.8%
Above £5M turnover
313
Incorporated since 2022
6,999 verified decision-maker contacts
across these 2,982 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK SaaS using Cloudflare
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 2 filingsProvides sports data, statistics, and odds for betting operators, media companies, and sports organisations. Develops software platforms, APIs, live streaming, and analytics tools, and delivers…
Serves B2B customers including betting and gaming operators, media and technology companies, sports teams, leagues and federations, plus integrity and regulatory bodies in the sports sector.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 22% CAGR over 1y
Location
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Financial sub-scores
Computed from 5 filingsProvides SaaS platforms and services for managing secure data sharing via APIs, including trust directories, PKI infrastructure, OAuth authorisation servers, AI‑driven access control, and conformance…
Sells to businesses, governments, regulators, central banks and industry consortia building secure API and open data-sharing ecosystems, especially in financial services, digital identity and…
Financial Health
StrongStrong · Growing, Hiring · 40% CAGR over 4y
Location
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Financial sub-scores
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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Financial sub-scores
Computed from 3 filingsDevelops financial compliance and client lifecycle management software for banks and financial institutions. Provides tools for client onboarding, KYC checks, identity verification, transaction…
Serves financial institutions and regulated firms, including corporate, commercial, retail and private banks, wealth managers, asset managers, asset servicers, fintechs, and energy and commodities…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 15% CAGR over 2y
Location
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Financial sub-scores
Computed from 4 filingsDevelops healthcare software for hospitals and clinics, including electronic health records, telehealth tools, patient portals, staffing and patient‑flow management systems, clinical communication…
Serves public and private hospitals, healthcare organizations and small medical practices, targeting clinical, administrative, IT and operational teams, as well as patient-facing services in global…
Financial Health
StrongStrong · Hiring · 44% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsDevelops cloud-based practice management and electronic health record software for private healthcare providers. The platform includes patient records, telehealth, appointment scheduling, billing and…
Serves private healthcare providers, from solo practitioners and clinics to corporate, occupational health and enterprise organisations, across primary care, secondary care, mental health, allied…
Financial Health
StrongStrong · Growing, Hiring · 36% CAGR over 4y
Location
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Computed from 5 filingsDevelops and operates digital advertising technology platforms that connect advertisers with online publishers. Provides demand‑side and supply‑side platforms, ad formats, audience data tools, and…
Serves B2B customers: brands and advertising agencies seeking omnichannel digital advertising, plus digital publishers and game/media owners monetising inventory, across Europe and global markets.
Financial Health
StrongStrong · Hiring · 22% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsDevelops software platforms for asset managers and private markets firms to manage investors, fundraising and fund operations. Provides tools for datarooms, electronic subscriptions, investor…
Serves B2B financial services clients, including private markets and asset managers, private wealth firms, banks, and asset management service providers such as placement agents, fund administrators,…
Financial Health
StrongStrong · Growing, Hiring · 59% CAGR over 3y
Location
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Financial sub-scores
Computed from 3 filingsProvides cloud-based AML, KYC and KYB compliance software that automates customer onboarding, identity and business verification, risk assessment, sanctions and PEP screening, and reporting,…
Serves businesses with AML obligations, particularly accounting firms, law and conveyancing practices, real estate firms and financial services organisations, including compliance and onboarding…
Financial Health
StrongStrong · Hiring · 21% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsDevelops and supplies business management software for organisations across sectors. Products include accounting, payroll, HR and workforce tools, CRM, EPOS, payments, ERP, warehouse management, and…
Serves businesses and public/third-sector organisations across the UK, including charities, construction, education, finance, health and social care, hospitality, legal, local authorities,…
Financial Health
HealthyHealthy · Profitable · 4% CAGR over 2y
Location
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Financial sub-scores
Computed from 4 filingsDevelops governance, risk and compliance (GRC) software that helps organisations manage enterprise risk, compliance, audits, operational resilience, vendor risk and workplace safety. The platform…
Serves enterprise risk, compliance, audit and resilience teams, particularly in financial services such as banks, credit unions, insurers, fintechs, asset managers, retirement plans and payments…
Financial Health
StrongStrong · Hiring · 19% CAGR over 3y
Location
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Computed from 5 filingsDevelops AI-powered digital banking software for banks and financial institutions. Provides platforms for personal financial management, transaction data enrichment and categorisation, customer…
Sells B2B to banks and financial institutions in global markets, targeting retail banking, deposits, customer engagement, digital banking and SMB/SME banking teams serving consumer and small-business…
Financial Health
HealthyHealthy · Growing, Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsDevelops cloud-based workforce engagement and optimisation software for contact centres, including tools for workforce management, forecasting and scheduling, call recording, quality management,…
Serves contact centres and customer experience teams in enterprises, mid-market firms, BPOs and government organisations, with sector focus on finance, insurance, healthcare, hospitality, retail,…
Financial Health
StrongStrong · Growing · 2% CAGR over 4y
Location
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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
Location
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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 2 filingsProvides sales, marketing, and research and development services to its parent company, supporting a cloud-based identity platform that delivers user authentication, authorization, single sign-on,…
Serves developers, product and security teams at businesses building customer-facing or B2B SaaS applications, including retail, financial services, healthcare, nonprofits and startups.
Financial Health
HealthyHealthy · -7% CAGR over 1y
Location
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Computed from 3 filingsDevelops and provides software platforms and data services for insurance retailers and providers, including policy administration systems, digital customer experience tools, telematics and property…
Serves major UK insurance retailers, personal lines insurers, brokers and insurance brands, including organisations focused on digital consumer insurance and connected-device propositions.
Financial Health
StrongStrong · Profitable · 3% CAGR over 1y
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Computed from 5 filingsDevelops software for consent and preference management, enabling organisations to collect, store and manage customer permissions, cookies and data preferences across channels. Platform includes…
Sells to global enterprises and high-volume data organisations, particularly compliance, marketing and IT teams in automotive, financial services, healthcare, publishing/media, retail and legal tech…
Financial Health
HealthyHealthy · Hiring · 23% CAGR over 4y
Location
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Computed from 4 filingsProvides virtual data room software for secure document storage and sharing during corporate transactions and projects. Platform supports M&A due diligence, fundraising, audits, compliance processes,…
Serves deal, legal, finance and procurement teams at investment banks, corporates, private equity firms, law firms, government bodies, and sectors including biotech, real estate, energy, mining and…
Financial Health
StrongStrong · Growing, Hiring · 29% CAGR over 3y
Location
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Computed from 3 filingsDevelops behavioural biometrics and analytics software used by banks and financial institutions to detect fraud and financial crime in digital channels, including account takeover, mule accounts,…
Sells to banks and financial institutions, targeting fraud management, anti-money laundering, risk, compliance, and digital banking teams responsible for preventing online fraud and financial crime.
Financial Health
StrongStrong · Hiring · 221% CAGR over 2y
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Computed from 5 filingsDevelops financial technology solutions for payment institutions, including platform and technology development and identity verification systems used for customer authentication, KYC and AML…
Serves financial technology institutions and payment businesses needing platform development and customer identity verification for KYC, AML and fraud prevention.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
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Computed from 5 filingsDevelops retail software providing a unified commerce platform for stores and digital channels. Products include point‑of‑sale systems, mobile POS, self‑checkout, order and inventory management,…
Sells to retailers and hospitality businesses, primarily enterprise and omnichannel operators such as department stores, luxury, DIY, specialty fashion and FMCG brands. Also targets retail innovators…
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
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Computed from 4 filingsDevelops and supplies care management software for social care providers, including digital care planning, medication management (eMAR), staff training, operations and maintenance tools, resident…
Serves UK social care providers, including residential care homes, nursing homes, supported and retirement living operators, learning disability services and mental health support providers.
Financial Health
StrongStrong · Hiring · 28% CAGR over 4y
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Computed from 5 filingsProvides event technology platforms and services including event registration systems, mobile event apps, virtual and hybrid event platforms, onsite badging, lead capture, attendance tracking, and…
Serves event managers and marketing/event teams at organisations running conferences, exhibitions and meetings, including corporate, association and public-sector event organisers.
Financial Health
StrongStrong · 12% CAGR over 4y
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Computed from 5 filingsProvides cloud-based business communication and collaboration platforms, including UCaaS, voice, video and messaging tools, Microsoft Teams integration, and analytics. Supplies software and services…
Serves businesses and channel partners needing cloud communications, especially service providers such as MNOs, MVNOs, UCaaS providers, application providers and distributors, as well as companies…
Financial Health
HealthyHealthy · Hiring · 57% CAGR over 4y
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Computed from 5 filingsProvides cloud-based talent acquisition software used by organisations to manage recruitment processes, including job posting, applicant tracking, candidate screening, interview scheduling, offer…
Serves mid-size and enterprise employers, targeting HR, talent acquisition, hiring, IT and finance teams with corporate, high-volume and professional hiring needs across sectors including healthcare,…
Financial Health
StrongStrong · Hiring · 43% CAGR over 4y
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Computed from 5 filingsProvides cloud-based contact centre and unified communications software, including omnichannel customer engagement, IVR, AI automation, workforce management and analytics. Also delivers consultancy,…
Serves B2B and public-sector organisations with customer service and contact centre operations, including retail, financial services, travel and leisure, and energy and utilities teams.
Financial Health
StrongStrong · Growing, Hiring · 23% CAGR over 5y
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Computed from 4 filingsDevelops research management software used by universities and research organisations to manage grants and funding applications, ethics reviews, research contracts, compliance, data protection impact…
Serves universities, healthcare institutions, national research organisations and other large research bodies worldwide, targeting research governance, compliance, funding, ethics and clinical trial…
Financial Health
StrongStrong · Growing, Hiring · 35% CAGR over 3y
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Computed from 5 filingsProvides employer of record services and software platform enabling businesses to hire, onboard, manage, and pay employees and contractors in multiple countries. Supports global employment…
Sells to startups, mid-market and enterprise businesses expanding internationally, especially HR, legal, finance, IT and leadership teams responsible for global hiring, workforce compliance and…
Financial Health
StrongStrong · Hiring · 46% CAGR over 4y
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Computed from 5 filingsDevelops workforce management software for contact centres, providing demand forecasting, staff scheduling, schedule optimisation, real-time operations management, and tools for employee engagement…
Sells to enterprise contact centres and customer service operations, including high-volume organisations in travel, banking and financial services, targeting workforce management, operations and…
Financial Health
HealthyHealthy · Hiring · 17% CAGR over 5y
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Computed from 5 filingsProvides digital payment software for the travel industry, enabling businesses to issue virtual cards, create multi‑currency funding accounts, and make supplier payments via bank transfer or card.…
Serves finance and operations teams at B2B travel companies, including online travel agencies, airlines and hotels, with supplier payment needs across multiple currencies and countries.
Financial Health
StrongStrong · Growing, Hiring · 44% CAGR over 4y
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Computed from 5 filingsProvides cloud-based software for automated pre-employment background screening. Platform performs identity, criminal record, right‑to‑work, education and employment verification checks, reference…
Serves HR and recruiting teams at businesses of all sizes, from small firms to enterprises, with emphasis on finance, health and social care, childcare and education employers.
Financial Health
StrongStrong · Growing, Hiring · 95% CAGR over 4y
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Computed from 3 filingsDevelops governance, risk and compliance (GRC) software platform that automates risk management, compliance tracking, internal audit, incident management, data privacy and regulatory reporting.…
Serves enterprise and complex businesses with governance, risk, compliance, internal audit, information security, data privacy and regulatory reporting teams, including organisations managing…
Financial Health
StrongStrong · Hiring · 52% CAGR over 2y
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Computed from 3 filingsDevelops and provides software for cybersecurity and privacy management, including risk assessments, compliance reporting, policy management, security programme planning, staff training modules, and…
Sells to businesses needing cybersecurity, privacy and compliance management, including teams responsible for risk, security and governance. Targets organisations working to meet frameworks such as…
Financial Health
StrongStrong · Growing, Hiring · 41% CAGR over 2y
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Computed from 5 filingsDevelops digital healthcare software that manages clinical pathways and remote patient monitoring. Platform collects patient data, images and questionnaires, automates triage and administrative…
Sells to NHS Trusts and other healthcare providers, targeting clinical, operational and digital transformation teams managing hospital, community, mental health and specialist care pathways.
Financial Health
StrongStrong · Growing, Hiring · 98% CAGR over 4y
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Computed from 5 filingsProvides cloud-based security and data protection tools for Microsoft 365 environments, including email spam and malware filtering, threat protection, encryption, backup and recovery, email…
Serves businesses using Microsoft 365, especially IT and security teams, administrators, and managed service providers managing multiple tenants. Also targets channel partners and distributors.
Financial Health
StrongStrong
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Computed from 5 filingsProvides a digital platform for client and staff onboarding compliance, including identity verification, anti‑money laundering checks, right‑to‑work and right‑to‑rent checks, DBS processing,…
Serves B2B compliance, HR and operations teams in legal, financial services, property, healthcare and recruitment organisations that need high-volume client or staff onboarding checks.
Financial Health
StrongStrong · Growing, Hiring · 29% CAGR over 4y
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Computed from 5 filingsDevelops software for IT service observability and operations management, including infrastructure monitoring, event intelligence, incident alert management, service mapping and workflow automation,…
Serves large enterprises and managed service providers, targeting ITOps, site reliability, DevOps, infrastructure monitoring and service assurance teams responsible for critical digital services…
Financial Health
StrongStrong · Growing, Hiring · 9% CAGR over 5y
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Computed from 5 filingsDevelops and supplies sportsbook and esports technology for betting operators, including iframe sportsbook platforms, odds feed APIs, AI‑driven tournament products, fast sports content, and related…
Sells to B2B sports betting and gaming operators seeking sportsbook, odds feed, esports, fast sports and AI tournament solutions.
Financial Health
StrongStrong
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Computed from 3 filingsDevelops software for managed service providers and IT departments, including remote monitoring and management (RMM), professional services automation (PSA), remote access, cybersecurity, backup, and…
Targets MSPs and other B2B IT service organisations, including IT departments, managed print providers, VARs and security leaders responsible for service delivery, endpoints, remote support, backup…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 7% CAGR over 2y
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Computed from 5 filingsDevelops software for capturing, archiving and supervising digital communications and website content. The platform records emails, messaging apps, social media and websites, using automated…
Serves regulated B2B and public-sector teams, including financial services, government, healthcare, insurance, legal and technology organisations, from small firms to global operations.
Financial Health
StrongStrong · Growing, Hiring · 18% CAGR over 4y
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Computed from 4 filingsDevelops and provides a digital experience platform used to build and manage websites and online services. Offers content management, AI-powered search and chatbots, web components, form builders,…
Sells to enterprise organisations, especially government bodies, higher education institutions, professional services firms and utilities, targeting digital, content and customer experience teams.
Financial Health
StrongStrong · Hiring · 9% CAGR over 3y
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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 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 2 filingsDevelops and provides digital platforms for hospitals including bedside entertainment and patient engagement applications, hospital WiFi connectivity, analytics software, and bed and patient‑flow…
Serves NHS trusts, hospitals and healthcare providers, plus B2B operators in transport, retail, hospitality, tourism and conference venues that need patient, visitor, guest or passenger connectivity…
Financial Health
HealthyHealthy · Profitable · -9% CAGR over 1y
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Computed from 4 filingsDevelops password management and access control software for individuals and organisations. The platform stores and autofills credentials, manages secure sign‑ins across devices and applications, and…
Serves consumers and families, plus B2B customers from startups to enterprises. Targets security, IT and operations teams across industries managing employees, devices, apps and SaaS access.
Financial Health
StrongStrong · Hiring · 38% CAGR over 4y
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Financial sub-scores
Computed from 3 filingsDevelops software for revenue and contract management, including CPQ (configure‑price‑quote), document generation, e‑signature, billing, pricing optimisation, and contract lifecycle management tools,…
Serves B2B organisations, particularly sales, legal, finance, procurement, IT and operations teams in technology, financial services, healthcare, life sciences, manufacturing, and transportation and…
Financial Health
HealthyHealthy · Profitable, Growing · 2% CAGR over 2y
Location
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Financial sub-scores
Computed from 4 filingsProvides software and services for managing international workforces, including global payroll processing, employer‑of‑record employment, contractor onboarding and payments, HR information…
Serves startups, mid-market companies and enterprises with distributed or international workforces, targeting HR, payroll, recruiting and operations teams hiring employees and contractors across…
Financial Health
StrongStrong · Hiring · 38% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides cloud-based HR and payroll platform enabling companies to hire, pay, and manage employees and contractors internationally. Offers employer-of-record services, global payroll, compliance…
Serves businesses with international or distributed workforces, especially HR and people teams hiring employees or contractors across multiple countries, plus partners needing global hiring…
Financial Health
StrongStrong · Hiring · 101% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides digital medical reporting and record redaction software used by GP practices to process patient record requests. Supports insurers, legal professionals, government bodies and other…
Serves UK NHS GP practices, insurers, government bodies, medico-legal professionals, financial advisers, occupational health requestors, public sector contractors, clinical research organisations,…
Financial Health
StrongStrong · Growing, Hiring · 85% CAGR over 3y
Location
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How Cloudflare 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.
Cloudflare 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
How many UK SaaS companies use Cloudflare?
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How is Cloudflare usage detected?
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