SaaS Companies Using Amazon Web Services in the UK: 1,035 Active Firms (2026)
Cloud SaaS companies sell subscription software delivered from third-party cloud infrastructure to UK business and public-sector customers.
For UK SaaS providers, the detected public-cloud stack usually belongs to engineering and platform operations, with security, finance and procurement pulled in once customer assurance starts to matter. It does the unglamorous production work: application hosting, storage, deployment pipelines, backup patterns and resilience planning. Adoption tends to signal a company beyond simple website hosting, with internal responsibility for uptime, cloud spend, access controls and UK GDPR-sensitive workflows. Public-sector and regulated-industry buyers will often treat the choice of infrastructure as part of due diligence, not merely as a technical preference.
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Across the UK, 1,035 actively trading SaaS companies are detected running this public-cloud stack. The reported employment footprint is 7,457 people, which points to a cohort with visible operating teams rather than only dormant web estates. Within detected platform adoption in SaaS, the stack accounts for 62.9%, ahead of competing platform categories. The regional pattern is London-heavy: London accounts for 49.4% of the cohort, followed by the South East at 14.1%, the North West at 7.5%, the South West at 5.8% and the West Midlands at 5.6%.
SaaS suppliers running this stack are not licensed as a single UK sector. Exposure usually comes from the activity the software supports: the ICO expects personal-data processing to fit UK GDPR and Data Protection Act 2018 obligations, while cyber security, consumer-contract rules and client-sector regimes shape procurement and assurance. Public-cloud dependency also carries competition-policy baggage. The CMA closed its UK cloud infrastructure services investigation on 31 July 2025, finding an adverse effect on competition and setting out remedies; that is market-structure scrutiny of infrastructure supply, not a licensing regime for SaaS providers.
Adoption appears likely to become less about first-time migration and more about governance, cost control and portability. Mature SaaS teams tend to keep core workloads on established cloud platforms while adding edge delivery, analytics and security services around them, which can make switching harder. Smaller suppliers may prefer packaged deployment routes until customer due-diligence demands clearer evidence on resilience, incident response and data handling. Consolidation in the cloud tooling layer could leave SaaS operators with fewer practical choices, even where contractual multi-cloud language remains in procurement packs.
Adoption by company size
Adoption of Amazon Web Services rises with company size across the trading UK SaaS companies in this cohort. 1.8% of the 37,913 companies with under 10 employees run Amazon Web Services (665 detected). 15.9% of the 1,886 companies with 10–50 employees run Amazon Web Services (299 detected). 28.3% of the 166 companies with over 50 employees run Amazon Web Services (47 detected). That is a 26.5% gap between the over 50 employees and under 10 employees bands.
1,035
Active firms
2026
62.9%
Of detected PaaS share
UK SaaS
6
Median headcount
Filed accounts
2,547
Verified contacts
Across this cohort
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Key facts
About 8% of the trading cohort reports turnover above £5M (87 of 1,035 firms) — the rest sits below that revenue band.
10% of the cohort was incorporated since 2022 (105 firms), so a sizeable share is in its first few filing cycles.
Among SaaS firms with a detectable PaaS system, this system accounts for 62.9% (1,035 of 1,645), ahead of the next two detected systems at 20.9% (343) and 12.5% (206).
London contains 49.4% (511) of the SaaS firms running this PaaS system; the South East follows at 14.1% (146).
Co-detected infrastructure services are common, with 65.3% (676) also running a content-delivery service from the same cloud family and 63.2% (654) also running object storage.
The cohort overlaps with adjacent software tags: 27.7% (287) are also tagged as startups, 24.7% (256) as AI & Machine Learning, and 13.7% (142) as scale-ups.
The CMA closed its UK public-cloud infrastructure services case on 31 July 2025, reported an adverse effect on competition leading to remedies, and recommended prioritising strategic market status investigations into the two largest cloud infrastructure providers.
Hosting & PaaS market share among UK SaaS
Share of the 1,645 UK SaaS with a detectable system. As of June 2026.
What else do Amazon Web Services-running SaaS run?
Share of the 1,035 Amazon Web Services-running UK companies where each technology was also detected. As of June 2026.
Where Amazon Web Services 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
£617.4K
Median UK turnover
8.4%
Above £5M turnover
105
Incorporated since 2022
2,547 verified decision-maker contacts
across these 1,035 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK SaaS using Amazon Web Services
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 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 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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Computed from 5 filingsDevelops and supplies cloud-based workforce and finance software for NHS organisations, including systems for staff expenses, time and attendance, absence monitoring, electronic forms, and online…
Serves NHS organisations and public healthcare bodies, including major Trusts, commissioning support units and NHS Blood & Transplant, targeting health service managers and workforce or finance teams.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsDevelops cloud‑based software that connects financial institutions through a shared data network to manage post‑trade operations. Provides tools for data collaboration, workflow management, and…
Serves financial markets firms, including buy-side and sell-side institutions, asset managers, asset servicers, banks, OMS platforms and operations teams involved in trade lifecycle, settlement,…
Financial Health
StrongStrong · Growing, Hiring · 25% CAGR over 4y
Location
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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
Location
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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 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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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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Computed from 5 filingsProvides cloud-based communications platform services enabling businesses to send and manage messaging via SMS, WhatsApp, RCS, and email. Offers APIs and tools for notifications, marketing campaigns,…
Serves enterprise and mid-market organisations with large customer audiences, including retailers, logistics firms, hospitality and leisure operators, technology companies, financial services…
Financial Health
StrongStrong · Hiring · 30% CAGR over 5y
Location
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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
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 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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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
Location
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Computed from 3 filingsProvides a crowdsourced cybersecurity platform that connects organisations with security researchers to identify software and infrastructure vulnerabilities. Offers bug bounty programmes, penetration…
Serves security buyers and teams at enterprises and public-sector organisations, especially in financial services, healthcare, retail, automotive, technology and security companies.
Financial Health
StrongStrong · Hiring · 39% CAGR over 2y
Location
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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
Location
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Computed from 2 filingsProvides cloud-based treasury and liquidity management software for businesses. Platform connects banks and ERP systems to manage cash positions, payments, financial risk, and forecasting, with tools…
Serves CFOs, treasurers and finance/IT teams at enterprise and midsize organisations, including banks and public-sector bodies, across finance, technology, retail, manufacturing and insurance.
Financial Health
StrongStrong · Hiring · 32% CAGR over 1y
Location
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Computed from 4 filingsProvides a customer data platform that collects, unifies and processes customer data from multiple digital sources, enabling businesses to build customer profiles, analyse behaviour, and activate…
Serves B2C multi-channel consumer brands, including ecommerce, media, fintech and subscription businesses, targeting marketing, product, CRM and data teams managing large-scale customer engagement.
Financial Health
StrongStrong · Hiring · 41% CAGR over 3y
Location
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Computed from 5 filingsProvides software infrastructure and platform technology for wealth management firms, enabling financial advisers and discretionary managers to operate investment platforms, manage client portfolios,…
Serves B2B wealth management firms, private banks, platform operators, consolidators, financial advisers and discretionary fund managers that need institutional-grade infrastructure for client…
Financial Health
StrongStrong · Hiring · 6% CAGR over 4y
Location
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Computed from 5 filingsDevelops an AI‑powered cybersecurity human risk management platform providing security awareness training, phishing simulations, and user behaviour analytics. Software helps organisations assess…
Sells to B2B organisations with cybersecurity programmes, targeting CISOs, security awareness leaders, GRC teams and learning and development teams responsible for employee cyber risk, training,…
Financial Health
StrongStrong · Growing, Hiring · 35% CAGR over 5y
Location
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Computed from 5 filingsProvides a cloud‑native SaaS platform for data protection and cyber recovery. Offers backup, ransomware recovery, data governance, eDiscovery and compliance tools for enterprise workloads, public…
Serves enterprise IT, security and compliance teams that manage cloud, SaaS, endpoint and hybrid infrastructure, plus managed service providers and channel partners delivering data protection…
Financial Health
StableStable · Hiring · 7% CAGR over 4y
Location
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Computed from 3 filingsDevelops open‑source intelligence software that collects and analyses data from the surface, deep, and dark web. Provides AI‑driven platforms used by government, law enforcement, defence, and…
Serves government intelligence, border security, defence and law enforcement agencies, plus corporate security, financial crime and insurance teams in large organisations.
Financial Health
StrongStrong · Hiring · 50% CAGR over 2y
Location
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Computed from 3 filingsDevelops identity security and privileged access management software. Platform provides credential vaulting, access governance, privileged remote access, and identity discovery tools to control and…
Sells to IT, IAM, security and compliance teams at businesses and government organisations that need to manage privileged access, workforce, machine, developer and AI identities.
Financial Health
StrongStrong · Profitable · -1% CAGR over 2y
Location
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Computed from 3 filingsProvides a cloud platform for selling and managing subscription-based digital services. Offers tools for B2B marketplaces, subscription billing, partner and reseller management, cloud distribution,…
Serves B2B organizations in the subscription economy, including communications service providers, software companies, manufacturers, IT and managed service providers, financial services firms,…
Financial Health
HealthyHealthy · -6% CAGR over 2y
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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 cloud-based audit software for accounting firms, providing digital working papers, audit data analytics, risk analysis, client collaboration tools, and quality management systems to manage…
Serves B2B accounting and audit firms worldwide, from small practices to global enterprises, including audit partners, managers and teams responsible for client engagements.
Financial Health
StrongStrong · Growing, Hiring · 10% CAGR over 4y
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Computed from 3 filingsProvides cybersecurity risk intelligence and third‑party risk management software. Platform monitors organisations’ external attack surface, security ratings and threat data to detect…
Serves enterprise security, risk, TPRM and SOC teams managing large supplier ecosystems, across sectors including financial services, healthcare, technology, public sector, critical infrastructure,…
Financial Health
StrongStrong · Growing, Hiring · 24% CAGR over 2y
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Computed from 5 filingsDevelops a cloud-based file data platform that provides enterprise storage, data management, backup and disaster recovery. Software enables hybrid cloud file systems, multi-site file sharing,…
Serves enterprise IT and infrastructure teams, including global multi-site organisations, across architecture and engineering, energy, financial services, healthcare, manufacturing, media, retail and…
Financial Health
StrongStrong · Growing, Hiring · 32% 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 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 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 4 filingsProvides cloud-based HR, payroll and recruitment software for businesses. Platform includes tools for payroll processing, pension submissions, employee onboarding, time and attendance tracking,…
Serves UK SMEs and SMB employers, especially HR, payroll and hiring teams. Also targets accounting firms, payroll bureaus and referral partners serving small-business clients.
Financial Health
StrongStrong · Hiring · 100% CAGR over 3y
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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
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Computed from 3 filingsDevelops Microsoft 365 software that integrates Outlook, Office applications and Windows File Explorer with SharePoint, Teams and OneDrive, enabling email capture, document management, records…
Serves organizations using Microsoft 365 and SharePoint, including education, energy, engineering/manufacturing, financial services, government, healthcare, legal, professional services, and…
Financial Health
StrongStrong · Profitable
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Computed from 5 filingsDevelops cloud-based software for the insurance sector. Platform provides tools for product building, underwriting, policy administration, client management, accounting, reporting, and APIs, enabling…
Sells to B2B insurance organisations: brokers, insurers, MGAs and developer teams responsible for building, distributing and administering insurance products.
Financial Health
StrongStrong · Hiring · 20% CAGR over 4y
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Computed from 5 filingsProvides cloud-based software for social housing providers to manage building safety and regulatory compliance, including gas, fire, electrical, water quality, asbestos and insurance inspections,…
Serves social housing providers, including large housing associations and G15 organisations, whose compliance, property safety and asset management teams oversee regulated residential buildings and…
Financial Health
StrongStrong · Growing, Hiring · 22% CAGR over 4y
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Computed from 4 filingsDevelops workplace management software that enables organisations to book desks, meeting rooms and other resources, manage visitors, monitor occupancy through sensors, and analyse workspace usage…
Serves public-sector and enterprise buyers, including central and local government, NHS, universities, legal, utilities, insurance, retail, manufacturing, construction, housing associations and…
Financial Health
HealthyHealthy · Hiring · 31% CAGR over 3y
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Computed from 5 filingsDevelops generative‑AI software for legal and cyber incident workflows, including eDiscovery, document review, data subject access request handling, breach response and contract lifecycle management,…
Serves B2B legal and compliance buyers, especially law firms and corporate legal departments using Microsoft 365/Teams for legal service delivery, cyber breach response, eDiscovery and contract…
Financial Health
StrongStrong · Growing, Hiring · 12% 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 filingsDevelops software platforms for the specialty and commercial insurance market, providing digital tools for underwriting and broker placement. The technology supports insurers and brokers with…
Serves B2B specialty and commercial (re)insurance markets, targeting brokers, carriers and insurers involved in placement, underwriting and specialty risk transfer.
Financial Health
HealthyHealthy · Hiring · 13% CAGR over 4y
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Computed from 4 filingsDevelops and operates an online platform for creating interactive forms, surveys, quizzes, and data collection tools. Provides templates, analytics, integrations, and automation features to gather…
Serves B2B and B2C organizations, including GTM teams and larger enterprises, with buyers in marketing, product/UX research, HR, operations, talent, customer success and education.
Financial Health
StrongStrong · Growing, Hiring · 56% CAGR over 3y
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Computed from 5 filingsDevelops cybersecurity software and services for managing cyber risk. Provides attack surface management, vulnerability scanning, digital risk protection, penetration testing, and threat intelligence…
Sells to B2B security, IT and risk teams at organisations needing cyber risk management, attack surface visibility, application security testing, threat intelligence and PCI compliance support.
Financial Health
StableStable · Hiring · 6% CAGR over 4y
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Computed from 3 filingsDevelops and operates a cloud-based software platform for energy companies to manage operational data. Enables production allocation, hydrocarbon accounting, emissions tracking, measurement data…
Serves energy companies worldwide, from super-majors to independents, including offshore, onshore, LNG, pipeline and refining operators. Targets production, measurement, emissions and data teams.
Financial Health
HealthyHealthy · Hiring · 29% CAGR over 2y
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Computed from 3 filingsDevelops software platforms and data solutions for insurance providers and retailers, including policy administration systems, online quote and purchase platforms, telematics integration, pricing…
Serves large UK personal lines insurance retailers, brokers and insurers, including major consumer-facing brands and providers with high-volume digital sales and servicing operations.
Financial Health
StrongStrong · Profitable
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Computed from 5 filingsProvides employer-of-record and global payroll services, enabling companies to hire and pay employees in over 150 countries without establishing local entities. Manages onboarding, employment…
Serves businesses expanding internationally, especially companies hiring and paying employees or contractors in overseas markets without local entities, across Europe, the US, India, APAC and other…
Financial Health
StrongStrong · Hiring · 69% CAGR over 4y
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Computed from 5 filingsDevelops software for managing and automating changes in SAP enterprise systems, including transport and release management, analytics and integrations. Also provides consultancy, implementation,…
Sells to large enterprises running SAP, especially IT, SAP change, transformation and compliance teams managing complex global operations across finance, supply chain, utilities and customer…
Financial Health
StrongStrong · Hiring · 10% CAGR over 5y
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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 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 4 filingsProvides global employment and HR management services, including employer of record, international payroll, contractor management, and onboarding tools. Enables companies to hire, manage, and pay…
Serves HR teams, executives and operations leaders at companies hiring employees or contractors across multiple countries, especially growing businesses expanding into new markets without local…
Financial Health
StrongStrong · Hiring · 8% CAGR over 3y
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Financial sub-scores
Computed from 4 filingsProvides a cloud-based platform for managing international workforces, including global payroll processing, HR management, contractor and employee hiring, compliance support, benefits administration,…
Serves businesses from startups to enterprises, especially HR, finance, payroll, IT and operations teams managing international employees and contractors across multiple countries, including tech…
Financial Health
StrongStrong · Growing, Hiring · 30% CAGR over 3y
Location
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Financial sub-scores
Computed from 3 filingsProvides cloud-based digital network and software for life sciences and healthcare supply chains, enabling companies to coordinate with partners, manage manufacturing and distribution, and support…
Serves B2B life sciences and healthcare supply chain organizations, including life sciences companies, direct material suppliers, contract manufacturers, 3PLs, wholesale distributors, healthcare…
Financial Health
StrongStrong · Profitable, Hiring · 16% CAGR over 2y
Location
Unlock all 1,035 leads
Showing 50 of 1,035 — +985 more with verified decision-maker contacts, live data, and CRM sync.
Unlock all 1,035 leads
Showing 50 of 1,035 — +985 more with verified decision-maker contacts, live data, and CRM sync.
How Amazon Web Services 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.
Amazon Web Services 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 Amazon Web Services?
What share of UK SaaS companies run Amazon Web Services?
How is Amazon Web Services usage detected?
What size SaaS companies use Amazon Web Services in the UK?
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