Startup Companies Using Amazon S3 in the UK: 261 Active Firms (2026)
UK startups using cloud object storage build early-stage digital products with scalable file, media or data hosting on public websites.
Product and engineering teams tend to own adoption here. Object storage typically sits behind user-upload flows, media libraries, exports, backup jobs and application assets, rather than being bought as a standalone business system. For startup-tagged companies, running this stack tends to signal a public-cloud build, a direct web channel and enough technical capacity to manage permissions, lifecycle rules and delivery paths. The budget profile is usually consumption-led: small teams can start with variable hosting costs, then add content delivery, analytics and automation as the product gains usage or moves into paid customer workflows.
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Across the UK, 261 active trading startup-tagged companies run this object-storage stack on their public web estates. Reported headcount across the cohort is 1,113, so the adoption picture is small-team rather than enterprise-heavy. Within the sector’s detected CDN ranking, the stack sits third at 19.4%, behind two more common infrastructure choices. The regional skew is pronounced: London accounts for 56.7% of the cohort, followed by the South East at 10.3%, East of England and South West at 5.4% each, and the West Midlands at 3.8%.
Startup remains a lifecycle and size label, not a regulated UK industry. Companies running cloud storage still face ordinary UK company-law filing, including confirmation statements and identity checks before filing where required. The more material governance question is usually activity-based: a storage-backed product used for financial services, energy supply, aviation, healthcare or legal work needs the relevant permissions for that activity. For user files, media and application assets, procurement diligence tends to focus on access control, retention policy, encryption, audit logs and the split of operational responsibility between the startup and its cloud provider.
Adoption appears likely to follow product maturity rather than company age. Early-commercial startups tend to keep object storage because it is already embedded in upload flows, content delivery and backup routines; switching becomes unattractive once customer data, application logic and monitoring sit around it. Migration pressure is more likely to come from cloud-cost scrutiny, security reviews or bundling by adjacent infrastructure vendors. The scarcity of larger adopters suggests a cohort where many remain at micro-business stage, while a smaller group adds governance, observability and procurement controls around the same storage foundation.
Adoption by company size
Adoption of Amazon S3 rises with company size across the trading UK startup companies in this cohort. 9% of the 1,979 companies with under 10 employees run Amazon S3 (179 detected). 11.9% of the 586 companies with 10–50 employees run Amazon S3 (70 detected). 9.1% of the 11 companies with over 50 employees run Amazon S3 (1 detected). That is a 0.1% gap between the over 50 employees and under 10 employees bands.
261
Active firms
2026
19.4%
Of detected CDN share
UK startup
6
Median headcount
Filed accounts
616
Verified contacts
Across this cohort
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Key facts
About 1% of the trading cohort reports turnover above £5M (3 of 261 firms) — the rest sits below that revenue band.
23% of the cohort was incorporated since 2022 (61 firms), so a sizeable share is in its first few filing cycles.
Among startup-tagged companies with a detectable system in this category, the storage technology has 19.4% (261), placing it third by detected share.
Every storage-running startup-tagged company also has the wider cloud platform detected, while 64.4% (168) also run the associated CDN layer.
London accounts for 56.7% (148) of the cohort, ahead of the South East at 10.3% (27).
SaaS tags appear on 75.9% (198) of the cohort, with AI & Machine Learning on 31.4% (82) and Fintech on 16.5% (43).
Startup status is a lifecycle tag; regulated activity still needs the relevant permissions in financial services, energy supply, aviation, healthcare or legal work.
Hosting & PaaS market share among UK Startup
Share of the 1,347 UK Startup with a detectable system. As of June 2026.
What else do Amazon S3-running Startup run?
Share of the 261 Amazon S3-running UK companies where each technology was also detected. As of June 2026.
Where Amazon S3 Startup 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
£437K
Median UK turnover
1.1%
Above £5M turnover
61
Incorporated since 2022
616 verified decision-maker contacts
across these 261 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK Startup using Amazon S3
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 a browser-based software platform for creating and managing product image renders, interactive 3D models, and visualisation applications. Tools enable marketers and manufacturers to build…
Serves B2B manufacturers, particularly marketing and sales teams at companies selling machinery, technical devices, components, specialist products or materials across international markets.
Financial Health
HealthyHealthy · Hiring · 16% CAGR over 4y
Location
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Computed from 5 filingsDevelops mobile video production software for iOS devices, including camera and monitoring apps that enable recording, live streaming, NDI connectivity and camera‑to‑cloud workflows, plus cloud…
Serves content creators, mobile filmmakers, video production teams and media organisations using iPhones or iPads, including enterprise customers needing mobile capture, monitoring, cloud workflows…
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 4y
Location
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Computed from 5 filingsDevelops OTT video streaming software that enables broadcasters, content owners, and organisations to distribute live and on‑demand video across web and mobile platforms, with tools for app…
Sells to broadcasters, media companies, content owners, influencers and smaller organisations seeking to monetise and distribute premium video to digital audiences across devices.
Financial Health
StrongStrong
Location
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Computed from 3 filingsOperates an online platform hosting curated auctions of artworks, collectibles, and experiences. Provides end‑to‑end auction management services for charities, galleries, museums, artists, and…
Serves charities, galleries, museums, artists, brands and other creatives seeking auction management, and reaches individual collectors and bidders interested in art, memorabilia, luxury goods and…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Computed from 5 filingsDevelops extended reality (XR) training software that enables organisations to create and deliver augmented, virtual and mixed reality learning experiences. Provides authoring tools, live immersive…
Serves enterprise learning and training teams across logistics, manufacturing, healthcare, retail, utilities, construction, defence, banking, hospitality and education, plus public-sector…
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 4y
Location
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Computed from 5 filingsOperates an online platform that enables creators to offer paid memberships, share exclusive content, sell digital products, manage subscribers, and receive recurring payments from supporters.
Sells primarily to creators and independent talent building paid communities and recurring income online, including podcasters, video creators, musicians, artists and game developers. Also serves…
Financial Health
StrongStrong
Location
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Develops and operates an online design feedback platform that enables teams and clients to review websites, Figma files, images, videos, PDFs and presentations, leave comments, track revisions, and…
Sells to designers, creative teams and agencies that need feedback from clients and internal reviewers on websites, Figma files, images, videos, presentations and PDFs.
Financial Health
N/AN/A
Location
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Computed from 4 filingsDevelops and operates an online platform that creates interactive games and community experiences for entertainment franchises, integrating with platforms such as Discord, Reddit and Twitch to host…
Serves entertainment IP owners, studios, game publishers and brand marketing teams targeting large fan communities on Discord, Reddit, Twitch and Snapchat, alongside gamers and fandom audiences.
Financial Health
StrongStrong
Location
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Computed from 5 filingsProvides an online platform for website and app usability testing. Enables organisations to recruit remote testers, run structured user tests, record user sessions, gather survey feedback, and…
Serves B2B customers: UX researchers, product managers, designers, ecommerce teams and website owners running digital products across desktop, mobile and tablet experiences.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
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Computed from 4 filingsOperates an online marketplace for jewellery brands and retail stores. The platform enables designers to showcase collections, promote and sell pieces, communicate with buyers, and receive orders,…
Serves jewellery brands, independent designers, retail stores and buyers seeking wholesale jewellery collections, with a global marketplace focus and emphasis on ethically minded jewellery businesses.
Financial Health
StrongStrong · Hiring · 14% CAGR over 3y
Location
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Computed from 5 filingsProvides a developer platform for building, deploying and managing applications, APIs, databases and AI workloads. Offers CI/CD pipelines, container and Kubernetes orchestration, GPU compute, and…
Sells to engineering and platform teams at startups and enterprises running cloud-native applications, AI workloads, databases and Kubernetes infrastructure across public cloud or their own VPCs.
Financial Health
StrongStrong · Hiring · 3% CAGR over 4y
Location
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Computed from 3 filingsProvides a cloud-based financial reporting and planning platform for advisers. Aggregates and standardises client investment data from multiple providers, consolidates holdings including private…
Serves financial advisers, wealth managers and other intermediaries who manage clients with complex, multi-provider wealth, including private equity, debt securities and alternative investments.
Financial Health
StrongStrong · 67% CAGR over 1y
Location
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Computed from 4 filingsProvides a videometrics market research platform that collects and analyses video and audio recordings of consumers during in‑store, online, and at‑home shopping or product use, generating…
Serves global B2B consumer brands, manufacturers and market research teams that need shopper and consumer insights, including teams studying in-store, e-commerce and at-home product decisions.
Financial Health
StrongStrong · Hiring · 59% CAGR over 3y
Location
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Computed from 5 filingsDevelops a machine learning operations (MLOps) platform that automates ML pipelines, experiment tracking, and model lifecycle management. Enables teams to run and orchestrate ML workloads across…
Serves B2B data science, ML engineering, IT and DevOps teams at organisations running AI initiatives across cloud, hybrid and on-premise environments.
Financial Health
StrongStrong
Location
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Computed from 5 filingsDevelops a mobile app platform for travel companies, hotels and villa operators to share trip information with clients. The app delivers itineraries, tickets, documents, maps and updates, and…
Sells to B2B travel operators, hotels, villa providers, event organisers and relocation firms that manage client or guest trips and need a branded digital experience for travellers.
Financial Health
StrongStrong · Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsDevelops voice biomarker software that analyses short speech samples to detect health and wellbeing indicators such as depression, fatigue, respiratory and cardiovascular conditions, providing…
Serves B2B and public-sector buyers using voice interfaces: healthcare systems and telehealth providers, automotive OEMs, first responder and emergency-line agencies, contact centres, AI agent…
Financial Health
StrongStrong · Growing, Hiring · 68% CAGR over 4y
Location
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Computed from 3 filingsDevelops a market intelligence platform that scans the internet to identify companies and provide B2B data. Offers sales lead generation tools, CRM data enrichment and refresh services, contact and…
Serves B2B companies, particularly enterprise clients, board-level decision makers, and sales and marketing teams seeking market intelligence, contact data, and lead generation across global markets.
Financial Health
StrongStrong · Hiring · 6% CAGR over 2y
Location
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Computed from 5 filingsProvides software for subcontractors to manage construction projects, surveys, installations and inspections. The platform includes digital forms, drawing markups, approvals, timesheets, GPS…
Serves B2B construction subcontractors, including regulated trade contractors, contracts managers, supervisors and site operatives, with site and office teams managing projects, compliance and…
Financial Health
HealthyHealthy · Hiring · 66% CAGR over 4y
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Computed from 4 filingsDevelops websites, mobile apps and digital platforms for tourism destinations. Provides visitor guides, interactive maps, route builders, and community content tools, plus analytics on visitor…
Serves destination management organisations, tourism initiatives, visitor guide teams and local authorities seeking to engage tourists, residents, community members and local businesses.
Financial Health
StableStable · 0% CAGR over 3y
Location
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Computed from 4 filingsProvides an online influencer marketing platform connecting brands and agencies with vetted Instagram and TikTok micro‑influencers. Enables creator discovery, campaign management, product gifting…
Serves small and growing consumer brands, e-commerce and Shopify merchants, apps and digital services, and marketing agencies seeking Instagram and TikTok influencer campaigns and user-generated…
Financial Health
HealthyHealthy · 0% CAGR over 3y
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Computed from 4 filingsDevelops software platform for private capital firms to manage fund and deal operations, including cap table tracking, waterfall calculations, investor reporting, document management, compliance…
Serves private capital firms and related law firms, targeting fund investment, legal, finance, audit and compliance teams, plus portfolio company managers and limited partners involved in private…
Financial Health
StableStable
Location
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Computed from 5 filingsDevelops a travel technology platform that connects travellers with tours, activities and other in‑destination experiences. Provides tools for travel brands, agencies and destinations to integrate,…
Serves B2B travel brands, travel agencies and destination organisations seeking to sell in-destination experiences to their traveller and customer bases and generate booking revenue.
Financial Health
StableStable · Hiring · 37% CAGR over 4y
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Computed from 4 filingsDevelops an AI-powered data platform for private market research. Extracts and structures information from company filings and documents, providing databases of companies, investors and funds and…
Serves founders raising capital and private-market finance teams, including banks, institutional investors and venture capital investors focused on UK companies, investors and funds.
Financial Health
StableStable · Hiring · 30% CAGR over 4y
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Computed from 4 filingsProvides a business communications platform for sending and receiving postal mail and email. Users upload documents for printing and mailing, track delivery, and receive inbound letters as scanned,…
Targets UK organisations that send regulated, business-critical mail, including local government, parking enforcement operators, insolvency practitioners, accountancy firms, primary care providers…
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HealthyHealthy · 0% CAGR over 3y
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Computed from 4 filingsOperates an online platform and mobile app providing gamified learning, tools, videos and community features aimed at helping users develop business ideas, access mentorship and resources, and plan…
Serves aspiring entrepreneurs, early-stage founders and people exploring business ideas, including those seeking community and mentoring support through a mobile-first app.
Financial Health
StrongStrong · 145% CAGR over 2y
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Computed from 5 filingsDevelops software for managing and distributing product data and catalogues for building product suppliers. Provides digital product showcase mini‑sites, AI‑powered search tools, and a materials…
Serves B2B architectural product suppliers, building material manufacturers and brands that sell to architects, designers and specifiers, especially sales, marketing and catalogue/product data teams…
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StrongStrong · Growing · 0% CAGR over 4y
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Computed from 5 filingsDevelops a digital platform for luxury goods trading and management, providing AI agents and tools for listing creation, sales pipelines, pricing, invoicing and integrations. Includes asset tracking,…
Serves a mix of B2C luxury buyers and collectors, plus B2B expert sellers, merchants and enterprise retail teams in luxury categories, especially watches, with planned coverage of automobiles and…
Financial Health
StrongStrong · Hiring · 63% CAGR over 4y
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Computed from 3 filingsDevelops software for eCommerce sites that tracks visitor behaviour, models purchase intent and triggers real-time on-site messages, offers and prompts such as discounts, email capture and product…
Serves B2B eCommerce brands and online retailers, particularly growth, CRM, CRO and digital trading teams responsible for improving website conversion, revenue and margin.
Financial Health
StrongStrong · Hiring · 63% CAGR over 2y
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Computed from 5 filingsDevelops and operates an e‑commerce review platform for online stores, particularly Shopify merchants. Provides tools to collect customer product and store reviews, display them through website…
Serves B2B e-commerce merchants using Shopify, including dropshippers, new online stores and growing retailers, plus agency and technology partners in the e-commerce ecosystem.
Financial Health
HealthyHealthy · Hiring · 84% CAGR over 4y
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Computed from 5 filingsProvides a marketing platform for beauty brands to manage influencer and creator campaigns, recruit brand advocates, run digital product sampling, collect customer data, and measure performance of…
Sells to B2B marketing teams at beauty, cosmetics, fragrance and skincare brands, including companies running influencer, creator, ambassador, product sampling and customer advocacy campaigns.
Financial Health
StrongStrong · Hiring · 20% CAGR over 3y
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Computed from 4 filingsDevelops and operates digital education platforms that provide schools, universities, governments and businesses with access to ebooks, textbooks and learning tools, including digital libraries,…
Serves schools, higher education institutions, governments, publishers, corporates and NGOs across Africa and beyond, plus families and individual readers seeking educational books and digital…
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StrongStrong · -91% CAGR over 2y
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Computed from 5 filingsDevelops cloud-based software for managing contingent and flexible workforces, including vendor management systems, direct sourcing and talent pool tools, statement‑of‑work management, healthcare…
Serves enterprises and large brands with contingent or flexible workforces, targeting HR, procurement, talent acquisition and hiring teams, including organisations with SOW, direct sourcing,…
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StableStable · Hiring · 32% CAGR over 3y
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Computed from 5 filingsDevelops software for hospitality venues including restaurants, pubs and cafés. Provides a platform combining mobile ordering, payments, loyalty programmes, marketing tools and customer data…
Serves B2B hospitality operators, including high street restaurant groups, pubs, bars, QSRs, kiosks, cafés and coffee shops seeking customer loyalty, ordering, payment and marketing solutions.
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HealthyHealthy · -1% CAGR over 4y
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Computed from 5 filingsDevelops a software platform that enables B2B SaaS companies to build, deploy and manage AI agents within their products. Provides conversational interfaces, embeddable widgets, SDKs, workflow tools,…
Targets B2B SaaS companies, especially product and engineering teams at learning platforms, HR and people operations software providers, and talent acquisition platforms serving business customers.
Financial Health
HealthyHealthy · Hiring · 54% CAGR over 4y
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Computed from 5 filingsDevelops a digital communication platform for healthcare providers that offers multilingual clinical interactions, live interpreter access, sign language and accessible formats to help staff…
Serves healthcare organisations, NHS trusts, hospitals, care settings and frontline clinicians working with patients who face language, hearing, visual or cognitive communication barriers.
Financial Health
HealthyHealthy · Hiring · 30% CAGR over 4y
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Computed from 3 filingsDevelops AI-powered software for patent professionals, providing tools for patent search, portfolio mining, freedom‑to‑operate and validity analysis, patent drafting and prosecution support, and…
Serves patent attorneys, IP teams and law firms, plus corporate innovation teams managing patent portfolios worldwide, including users involved in drafting, prosecution, search, FTO, validity and SEP…
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HealthyHealthy · Hiring · 11% CAGR over 2y
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Computed from 5 filingsDevelops a cloud-based analytics platform that connects to databases and business tools, enabling teams to query data with AI, build metric trees and dashboards, perform collaborative analysis, and…
Sells to B2B data, analytics and business teams at organisations that need collaborative BI across data warehouses, semantic layers, spreadsheets and SaaS tools.
Financial Health
StrongStrong · Growing, Hiring · 24% CAGR over 4y
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Computed from 5 filingsProvides geospatial data and software APIs for insurers to assess geographic and property risk. Platform offers address validation, geocoding, property data, peril and climate risk scores, and…
Serves B2B insurance organisations, including insurers, underwriting teams, insurance brands, coverholders and price comparison websites, with customers referenced worldwide.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 35% CAGR over 4y
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Computed from 5 filingsDevelops sales intelligence and prospecting software that analyses UK company data and annual reports to identify potential customers. Provides CRM integrations, predictive scoring, trigger alerts,…
Sells to B2B sales and revenue teams, including SDRs, account managers and data leaders, particularly in foreign exchange, logistics, banking, energy, insurance, recruitment and R&D tax advisory…
Financial Health
StrongStrong · Growing, Hiring · 38% CAGR over 5y
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Computed from 4 filingsProvides an online platform that generates cloud infrastructure and applications from templates. Integrates with users’ cloud accounts and source code repositories to automate creation of cloud…
Targets software developers, DevOps teams and technology businesses using cloud platforms and source repositories to set up cloud infrastructure.
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 3y
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Computed from 5 filingsProvides an email and contact data platform for sales and recruitment teams. Offers email and phone lookup, a Chrome extension, prospect search portal, outreach campaign tools, AI email…
Serves B2B sales teams, recruiters and hiring teams, from startups to Fortune 500 companies, that need professional contact data for prospecting and outreach.
Financial Health
StrongStrong · Hiring · 8% CAGR over 4y
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Computed from 5 filingsDevelops cloud‑native computational multiphysics simulation software for engineering and scientific applications. Products model plasma physics, magnetohydrodynamics, nuclear fusion systems and deep…
Serves B2B engineering and scientific teams in nuclear fusion, deep geothermal energy and advanced deep tech, including engineers, managers and organisations needing specialist multiphysics…
Financial Health
StrongStrong · Growing, Hiring · 28% CAGR over 4y
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Computed from 5 filingsDevelops an energy analytics software platform that collects and analyses energy consumption data to provide insights, monitoring and optimisation tools for energy management and sustainability…
Financial Health
StrongStrong · Growing, Hiring · 50% CAGR over 4y
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Computed from 5 filingsProvides an online platform for organisations to run employee engagement and culture‑building activities through short missions or challenges. Tools support remote team interaction, workplace culture…
Sells to organisations and workplace consultants, particularly HR, people and employer-branding teams responsible for employee engagement, remote-work culture and team kick-offs.
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 4y
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Computed from 4 filingsProvides cloud-based software for managing company equity and employee share plans, including cap table management, automated financial reporting, compliance across jurisdictions, participant…
Serves private and public companies managing employee equity and share plans, including startups scaling toward IPO and listed businesses with finance, legal, HR, and reward teams responsible for…
Financial Health
StrongStrong · Growing · 0% CAGR over 3y
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Computed from 5 filingsDevelops pension tracing software used by financial advisers, pension providers and fintechs. Provides automated tools to locate pension schemes from employer data, manage letters of authority, and…
Sells to B2B financial services firms, including pension providers, fintechs, wealth platforms and financial advisers seeking customer-facing pension tracing and letter of authority services.
Financial Health
StrongStrong · Growing, Hiring · 41% CAGR over 4y
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Computed from 5 filingsOperates an online platform for comparing and selecting B2B software. Provides tools to define requirements, analyse software products using data and algorithms, generate shortlists, and connect…
Serves B2B software buyers across micro, small, medium and enterprise organisations, including public sector bodies, universities and commercial teams seeking categories such as CMMS, ERP, asset,…
Financial Health
HealthyHealthy · Hiring · 24% CAGR over 4y
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Computed from 4 filingsDevelops order and operations management software for food wholesalers. Platform provides online ordering, inventory and pricing management, delivery scheduling, invoicing, payments, and sales…
Sells B2B to food wholesalers and suppliers, especially fruit and veg, meat, poultry, seafood and other food distributors, serving venue customers. Targets wholesale operators in the UK and Ireland.
Financial Health
StrongStrong · Hiring · 32% CAGR over 3y
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Computed from 4 filingsProvides a software platform that generates white‑label SEO and website audits for sales teams, agencies and resellers. Tools analyse local search performance, competitors, technical SEO and online…
Serves B2B providers selling local digital marketing to SMBs, including agencies, media groups, local directories, web hosts, domain registrars, telecoms and vertical SaaS firms, especially sales…
Financial Health
StrongStrong · Growing, Hiring · 65% CAGR over 3y
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Computed from 5 filingsProvides a cloud-based board governance platform that enables organisations to manage meetings, share documents, collaborate and record decisions. Includes AI tools for searching organisational…
Serves boards, chairs, company secretaries and governance teams in organisations such as financial services firms, pension scheme trustees, education bodies, political organisations and consultancies.
Financial Health
StrongStrong · Hiring · 22% CAGR over 4y
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How Amazon S3 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. startup 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 startup 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 S3 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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