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Companies Using Fastly in the UK: 461 Active Firms (2026)
Companies running edge CDN technology accelerate public websites and digital services for UK audiences and customers.
Adoption of this edge CDN usually sits with platform engineering, web operations and digital product teams, rather than with general office IT. The job is traffic control at the edge: caching common assets, shaping requests, protecting public journeys from avoidable latency and keeping customer-facing services usable during demand spikes. Companies running this stack tend to be mid-market or larger organisations with online sales, content, booking, donation or account journeys, where a web outage is an operational issue rather than a cosmetic problem.
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Across the UK, 461 companies are actively trading with this edge CDN technology detected on public websites. The cohort has 1,463 employees in reported headcount, which makes adoption visible beyond the very largest web estates while still pointing to specialist technical capacity. Sector mix is varied: software firms, field-services operators, construction businesses, travel organisations and charities all appear, suggesting the common thread is public-facing service dependency rather than a single vertical buying pattern.
Procurement tends to sit between web-platform teams, security reviewers and commercial owners, because the stack can affect caching, TLS certificates, log retention, incident response and traffic routing for public services. UK adopters still need GDPR discipline where edge logs, IP addresses, cookies or account journeys touch personal data, with ICO expectations relevant to retention, lawful basis and supplier oversight. For transactional sites, change control matters as much as purchase price: a mis-set cache rule or purge process can create customer-facing errors without any change to the underlying application.
Edge delivery appears likely to become more selective rather than universal. Companies with content-heavy sites, account journeys or regional traffic patterns tend to keep edge delivery close to the application architecture, while simpler brochure sites may find bundled hosting or general CDN layers sufficient. The cohort also suggests a split between digitally mature operators with in-house platform ownership and smaller organisations using managed web agencies. Consolidation in hosting, security and observability is likely to blur procurement lines, but edge control remains attractive where performance, purge discipline and incident handling are board-visible operational risks.
461
Active firms
2026
35
Above £5M turnover
Trading firms
6
Median headcount
Filed accounts
1,065
Verified contacts
Across this cohort
Key facts
About 7% of the trading cohort reports turnover above £5M (35 of 461 firms) — the rest sits below that revenue band.
10% of the cohort was incorporated since 2022 (47 firms), so a sizeable share is in its first few filing cycles.
The most common co-detected technology appears among 54.9% of users (253 firms), so the edge CDN layer often sits within a wider web-delivery stack.
Tag-management and content-management tools appear across 43.4% (200 firms) and 41.4% (191 firms) of the cohort respectively.
Static-site hosting and a second CDN/security layer appear in 34.7% (160 firms) and 33.6% (155 firms) respectively, pointing to mixed delivery architectures rather than single-supplier stacks.
SaaS is the largest sector tag at 13.4% (62 firms), followed by field services and trades at 8.2% (38) and construction at 7.6% (35).
Financial-health scores are spread across the cohort: 23.6% (109 firms) are stable, while 16.7% (77) are weak and 11.9% (55) are distressed.
What else do Fastly users run?
Share of the 461 Fastly-running UK companies where each technology was also detected. As of June 2026.
Who runs Fastly in the UK?
By sector
Sectors overlap, so shares need not sum to 100%.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
6
Median headcount
£466.7k
Median UK turnover
7.6%
Above £5M turnover
47
Incorporated since 2022
1,065 verified decision-maker contacts
across these 461 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK companies using Fastly
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.
Kayak Software (UK) Limited
Financial sub-scores
Computed from 5 filingsProvides commercial and operational support services to affiliated companies that operate online travel metasearch platforms, enabling users to search and compare prices and itineraries for flights,…
Serves a mix of B2C leisure travellers and business travellers worldwide, including corporate travel users, across flights, accommodation, car hire and package travel markets.
Financial Health
HealthyHealthy · Profitable · 1% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsOperates online travel search engines that aggregate and compare prices for flights, hotels, car rentals and travel packages from airlines and travel booking websites, enabling users to search…
Serves consumers planning travel, including individual leisure travellers comparing flights, hotels, car rentals and packages across airlines and travel sites, with localized sites for Canada and…
Financial Health
StableStable · Profitable
Location
VOX MEDIA INTERNATIONAL LIMITED
Financial sub-scores
Computed from 3 filingsOperates digital media brands producing news, culture, technology, food, sports and lifestyle journalism. Publishes articles, video and podcasts, and provides advertising, branded content production,…
Serves advertisers, agencies and brand marketing teams seeking digital, podcast, social, video, print and event audiences across news, culture, sports, food, tech and lifestyle media.
Financial Health
StableStable · Hiring · 29% CAGR over 2y
Location
Love Savings Group Limited
Financial sub-scores
Computed from 5 filingsOperates online coupon, discount and cashback platforms across multiple countries. Connects consumers with promotional offers from retail brands and generates sales and customer acquisition for…
Serves a mixed B2C and B2B market: consumers seeking coupon, cashback and voucher offers globally, plus retail brands, advertisers and affiliate networks focused on performance-marketing customer…
Financial Health
StableStable · 0% CAGR over 4y
Location
Samantha Cameron Studio Limited
Financial sub-scores
Computed from 5 filingsDesigns and retails women's clothing including dresses, knitwear, tailoring, jackets, tops, trousers and skirts through an online store, offering workwear and occasionwear collections and seasonal…
Targets women consumers shopping online for workwear, occasionwear, wedding guest outfits, holiday edits and everyday wardrobe pieces.
Financial Health
HealthyHealthy · 2% CAGR over 4y
Location
Veritas Health Innovation UK Ltd
Financial sub-scores
Computed from 5 filingsPublishes online health information platforms providing peer‑reviewed articles, videos, and educational content about medical conditions. Operates websites that connect users with health information…
Serves a mixed B2C/B2B market: consumers researching health conditions, patients looking for qualified physicians and online community support, plus healthcare advertisers seeking digital media and…
Financial Health
StableStable · Hiring · 57% CAGR over 4y
Location
Financial sub-scores
Computed from 2 filingsOperates fitness studios offering high‑intensity interval training classes combining treadmill running and strength training. Also sells branded athletic apparel, accessories, and workout equipment…
Serves B2C fitness consumers and gym-goers seeking high-intensity workouts, plus shoppers of men’s and women’s athletic wear and accessories across multiple listed countries.
Financial Health
HealthyHealthy · Hiring · 23% CAGR over 1y
Location
UNICHEQ GROUP LIMITED
Financial sub-scores
Computed from 5 filingsOperates a group of businesses involved in online retail, software development, manufacturing and investment. Runs e‑commerce sites selling hobby supplies, electronics, printed products and gifts,…
Targets online retail consumers in hobby, craft, electronics, gifts and partyware categories, and B2B clients including mobile-app customers, print and packaging buyers, warehousing users, and…
Financial Health
StableStable · Hiring · 7% CAGR over 4y
Location
Iconomi Ltd
Financial sub-scores
Computed from 3 filingsOperates an online platform for cryptocurrency investing, enabling users to buy digital assets and copy managed crypto investment strategies. Provides portfolio management tools, automated…
Serves retail crypto investors, beginners, experienced traders and portfolio managers, alongside businesses, SME owners and financial advisors managing crypto exposure or client portfolios.
Financial Health
StrongStrong · Growing, Hiring · 41% CAGR over 2y
Location
Financial sub-scores
Computed from 5 filingsOperates specialist travel brands offering tailor‑made holidays and small group tours across Asian destinations. Designs culturally focused itineraries and travel experiences through brands including…
Serves leisure travellers seeking culturally immersive Asia holidays, including tailor-made trips and small group tours, plus travel agents booking specialist Japan and Asia itineraries for clients.
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 5y
Location
Radcliffe Medical Media Ltd
Financial sub-scores
Computed from 5 filingsProvides online cardiovascular medical education platforms, publishes specialist journals, and produces webinars, broadcasts, and events for clinicians. Develops CME‑accredited courses and digital…
Serves the global cardiovascular community: frontline clinicians, cardiologists, vascular specialists, researchers, innovators and healthcare professionals seeking professional education and peer…
Financial Health
StableStable · 2% CAGR over 4y
Location
FCM Digital Limited
Financial sub-scores
Computed from 5 filingsProvides corporate travel management services including business trip booking, travel policy management, meetings and events coordination, consulting, and reporting tools through a digital platform…
Serves B2B customers, especially enterprise travel, procurement and finance teams managing corporate travel programmes, meetings and events across multiple countries.
Financial Health
StrongStrong · Growing, Hiring · 37% CAGR over 4y
Location
RAPYD PAYMENTS LIMITED
Financial sub-scores
Computed from 5 filingsProvides online payment processing and fintech infrastructure for businesses, including card acquiring, hosted checkout, payment links, POS payments, global payouts, card issuing, and multi‑currency…
Serves businesses in eCommerce, marketplaces, iGaming and online gaming, online trading, creator economy, online travel, influencer marketing and B2B payments, as well as developers and payment…
Financial Health
StableStable · -21% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsProvides financial technology–based working capital financing for businesses, including invoice factoring, reverse factoring, supplier finance, dynamic discounting, and short‑term working capital…
Serves SMEs and larger businesses needing working capital finance, including companies managing customer invoices, supplier payments, public administration debtors, and supply chain financing…
Financial Health
HealthyHealthy
Location
HA Healthcare Ltd
Financial sub-scores
Computed from 3 filingsOperates a network of hospitals and healthcare facilities providing medical and surgical treatment, emergency care, and specialist services including oncology. Also conducts clinical research,…
Serves patients and families needing hospital or specialist care, plus physicians engaging with hospital-based services, care networks and clinical resources.
Financial Health
StableStable · Hiring · 138% CAGR over 2y
Location
Financial sub-scores
Computed from 4 filingsProvides payment processing services including online payment gateways, in‑store and EPOS transaction systems, and API integrations. Supports merchants, software vendors and enterprises with…
Sells to businesses and public sector bodies needing payment processing, including startups, SMEs, multinational enterprises, government agencies, resellers/ISOs and software vendors integrating…
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 3y
Location
Financial sub-scores
Computed from 5 filingsProvides an online financial platform for businesses to manage international payments, foreign exchange and multi‑currency accounts. Offers corporate cards, expense and spend management, accounts…
Serves SMEs, accountants and their business clients with cross-border financial operations needs, plus individuals making personal international money transfers. Targets organisations paying…
Financial Health
WeakWeak · Hiring · 4% CAGR over 4y
Location
Eventrac Ltd
Financial sub-scores
Computed from 5 filingsProvides online software for sports event organisers to manage event registration, promotion and participant communications. Platform includes custom registration forms, marketing tools, fundraising…
Serves sports event and race organisers of all sizes across the UK and Ireland, including organisations running races and mass-participation events for athletes, supporters and charity fundraisers.
Financial Health
StrongStrong
Location
Principle Investments LLP
Financial sub-scores
Computed from 5 filingsProvides asset management and investment advisory services, offering research-based investment strategies across equities, fixed income, real assets, and multi‑asset portfolios. Manages funds and…
Serves investors and client organisations, with website access directed to persons and entities residing in the United States and regional content for global markets.
Financial Health
StrongStrong
Location
EVOLUTION GAMING LIMITED
Financial sub-scores
Computed from 2 filingsDevelops and supplies online casino gaming software for gambling operators, including live dealer table games, game shows and slots. Provides streaming studio systems, game development and platform…
Sells to licensed online casino and gambling operators seeking live casino, game show, slot and first-person game content, with some offerings for land-based casino venues.
Financial Health
HealthyHealthy · Hiring · 25% CAGR over 1y
Location
Financial sub-scores
Computed from 5 filingsOperates an FCA‑authorised investment platform that arranges and manages investments in early‑stage and growth companies associated with the Blenheim Chalcot venture builder, enabling investors to…
Targets investors considering high-risk investments in start-up and digital venture businesses, including those able to assess FCA risk warnings and accept illiquid, potentially total-loss…
Financial Health
StableStable
Location
Keypath Education UK Limited
Financial sub-scores
Computed from 5 filingsProvides education technology services to universities, supporting the development, marketing, and delivery of online higher education programmes. Uses market data and analytics to guide course…
Serves universities and higher education institutions seeking to expand online graduate programmes, with emphasis on healthcare, business and STEM/future-of-work fields in the US and Asia-Pacific.
Financial Health
StableStable · -18% CAGR over 4y
Location
Financial sub-scores
Computed from 4 filingsProvides fintech payment platforms enabling businesses to issue payouts to staff, suppliers and customers, manage expenses and allocate funds. Offers API‑integrated payment processing, billing flows,…
Serves B2B clients needing corporate payouts, expense or mobility payment capabilities, including merchants, employers, reseller platforms, auction houses, pawnbrokers, travel and construction firms,…
Financial Health
StableStable · -17% CAGR over 3y
Location
Air Culinaire Holding Limited
Financial sub-scores
Computed from 3 filingsProvides in‑flight catering for private and corporate aviation, preparing custom meals and delivering them to aircraft. Also offers restaurant meal sourcing, cabin amenities, concierge procurement,…
Serves business and private aviation flight departments, aircraft operators, charter operators, and concierge teams arranging in-flight needs for passengers and crew across supported airports…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
Financial sub-scores
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
Location
HACKERONE UK LIMITED
Financial sub-scores
Computed from 3 filingsProvides a cybersecurity platform that connects organisations with a global community of security researchers to identify vulnerabilities. Offers bug bounty programmes, vulnerability disclosure…
Serves security and engineering teams at enterprises and public sector organisations, including financial services, healthcare, retail/e-commerce, automotive, crypto/blockchain, hospitality, US…
Financial Health
StrongStrong · Hiring · 26% CAGR over 2y
Location
ALCHEMIST LEARNING AND DEVELOPMENT LIMITED
Financial sub-scores
Computed from 5 filingsDesigns and delivers corporate learning and development programmes, including leadership, management and sales training. Uses experiential learning, immersive simulations and digital platforms such…
Serves organisations globally, including HR, L&D and business leaders responsible for leadership, management, sales, professional development and early-careers training.
Financial Health
StrongStrong · Growing, Hiring · 34% CAGR over 4y
Location
Financial sub-scores
Computed from 3 filingsDevelops software supply chain management tools for DevOps and security teams, including artifact repositories, package curation, vulnerability and code scanning, release distribution, ML model…
Serves DevOps, DevSecOps, MLOps and security teams at software-driven organisations, from small teams to enterprises, including financial services, public sector, technology, healthcare, gaming,…
Financial Health
StrongStrong · Hiring · 37% CAGR over 2y
Location
Financial sub-scores
Computed from 5 filingsProvides online contractor and supplier information management platforms, including ISNetworld, used by hiring companies to collect and review health, safety, sustainability, insurance, training and…
Serves enterprise hiring clients managing contractor and supplier risk, plus contractors and suppliers seeking qualification with those clients, across sectors with HSE, sustainability, insurance,…
Financial Health
StrongStrong · Hiring · 6% CAGR over 5y
Location
VENTRATA LTD
Financial sub-scores
Computed from 5 filingsDevelops and provides booking and ticketing software for tour operators, attractions, sightseeing tours and hop‑on hop‑off bus services. Platform includes online reservations, OTA integrations,…
Serves B2B operators in travel and visitor attractions globally, including hop-on hop-off and bus operators, sightseeing tour companies, observation decks, cultural venues, and leisure destinations.
Financial Health
HealthyHealthy · -73% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsDevelops and provides cloud-based recruiting software for employers, including applicant tracking systems, candidate sourcing and engagement tools, career site management, text recruiting, onboarding…
Serves enterprise employers and HR teams, including CHROs, talent acquisition, HR operations and IT leaders, across sectors such as retail, healthcare, manufacturing, finance and hospitality.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
EAGLE POINT LIMITED
Financial sub-scores
Computed from 5 filingsDevelops e‑learning and learning management software for architecture, engineering, construction, and manufacturing sectors, providing training platforms, course libraries, and skills assessment…
Serves B2B organisations in architecture, engineering, construction, manufacturing, education and multidisciplinary sectors, targeting teams such as engineers, architects, designers and builders.
Financial Health
StableStable · Hiring · 50% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsProvides electricity distribution and energy services, including grid operations, energy conservation programmes, electric vehicle charging initiatives, and development of smart grid and energy…
Serves electricity customers in the communities covered by its utility operations, including residential households, businesses and property owners. Also targets EV drivers and organisations engaging…
Financial Health
StableStable · Hiring · 41% CAGR over 4y
Location
SPS NETWORK LTD
Financial sub-scores
Computed from 5 filingsProvides cloud-based supply chain network software for retail businesses, including electronic data interchange (EDI), order management, product data synchronisation, analytics, supplier onboarding,…
Serves B2B retail supply chain organisations, including retailers, grocery businesses, distributors, brands, manufacturers, e-commerce marketplaces, 3PLs and suppliers needing trading partner…
Financial Health
StrongStrong · Growing, Hiring · 22% CAGR over 4y
Location
Netspeak Games Ltd
Financial sub-scores
Computed from 5 filingsDevelops video games, focusing on social and community‑oriented titles. Produces “Sunshine Days: Town Builder”, a village‑life farming and town‑building game with social gameplay features for online…
Sells to consumers who play wholesome social video games, particularly players interested in village-life, farming and town-building games with social features.
Financial Health
StrongStrong
Location
TWOTHREEBIRD HOLDINGS LIMITED
Financial sub-scores
Computed from 5 filingsProvides insurance infrastructure and services for brands and insurers, including licensing, regulatory operations, claims management, and API-based software. Enables partners to develop, launch, and…
Serves B2B insurance carriers, underwriters, consumer brands and affinity partners seeking specialty insurance distribution across mobility, travel, devices, retail, booking and registration channels.
Financial Health
StrongStrong
Location
Modo Energy Limited
Financial sub-scores
Computed from 5 filingsProvides market data, analytics, and research on energy storage and power markets. Offers a platform with revenue benchmarks, forecasts, and valuation tools for battery and solar assets, alongside…
Serves B2B energy market participants, including investors, developers, asset managers, structured finance teams, and traders involved in battery storage, solar, renewables, co-location, and data…
Financial Health
StrongStrong · Growing, Hiring · 75% CAGR over 4y
Location
Capitalise Business Support Limited
Financial sub-scores
Computed from 2 filingsProvides an online platform for small businesses and accountants to access business credit scores and reports, perform company credit checks, monitor financial risk, and apply for business loans…
Sells to UK limited companies, especially small businesses, and to accountants/advisers supporting clients with business finance, credit health and cash-flow risk decisions.
Financial Health
StableStable · Profitable · 5% CAGR over 1y
Location
Financial sub-scores
Computed from 5 filingsProvides an online learning platform offering browser-based coding labs, virtual development environments, and auto‑graded assessments for teaching AI, data science, cybersecurity, and software…
Sells to B2B and education buyers delivering technical training, including enterprises upskilling workforces, teams training data, AI, cybersecurity and software skills, plus colleges, universities,…
Financial Health
HealthyHealthy · Hiring · 19% CAGR over 4y
Location
SMT MERCHANDISE LIMITED
Financial sub-scores
Computed from 5 filingsSupplies promotional merchandise and branded accessories, including badges, keyrings, bottle openers, magnets, lanyards, medals and coins, wristbands, trolley coins, jewellery, embroidered patches,…
Serves businesses and organisations commissioning branded merchandise for promotions, events, awards, staff use or gifting.
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 4y
Location
BROOKFIELD VENTURES LIMITED
Financial sub-scores
Computed from 5 filingsProvides asset management and wealth solutions, managing alternative investments across infrastructure, renewable energy, real estate, private equity and credit. Partners with institutions, financial…
Serves institutional investors, financial advisors and individual/private wealth investors globally, including clients seeking exposure to alternative assets and retirement solutions.
Financial Health
StableStable
Location
Supercede Technology Ltd
Financial sub-scores
Computed from 5 filingsDevelops a software platform for the reinsurance market that manages programme data, supports broker–cedent collaboration, and provides analytics and AI-assisted tools for pricing, placement…
Serves B2B customers in the insurance sector, primarily reinsurance cedents, brokers, and enterprise reinsurance teams involved in programme placement, client engagement, and market deal coordination…
Financial Health
HealthyHealthy · Hiring · 26% CAGR over 4y
Location
FP&A TRENDS LTD
Financial sub-scores
Computed from 5 filingsProvides education, research content, webinars and events focused on financial planning and analysis (FP&A). Operates an online platform publishing articles and resources, and runs professional…
Serves B2B finance audiences globally, including FP&A professionals, CFOs, finance directors and senior finance leaders in organisations looking to engage with FP&A insight, events and peer…
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 4y
Location
Hack And Craft Limited
Financial sub-scores
Computed from 5 filingsDevelops digital twin and data science tools for supply chain optimisation and network design. Integrates AI-based modelling with enterprise systems to analyse scenarios, support logistics planning,…
Serves enterprise organisations with complex supply chain and logistics operations, targeting supply chain, operations and transformation leaders managing large networks and strategic optimisation…
Financial Health
HealthyHealthy · Hiring · 19% CAGR over 4y
Location
BLAKEMORE & CO LTD
Financial sub-scores
Computed from 5 filingsOperates food retail and wholesale distribution businesses supplying SPAR convenience stores and hospitality outlets. Provides logistics, supply chain and trade partner services, runs company‑owned…
Serves independent SPAR retailers and large UK food, retail, hospitality and leisure businesses, including forecourt, motorway services, travel, education and leisure operators.
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 5y
Location
Financial sub-scores
Computed from 5 filingsDevelops and operates education technology platforms for medical training and career preparation, including services that help doctors prepare for specialty training applications, provide…
Serves doctors, surgeons and aspiring medical students seeking career progression, training job applications, masterclasses, and medical school exam/interview preparation.
Financial Health
StrongStrong · Growing, Hiring · 24% CAGR over 4y
Location
Blakemor Limited
Financial sub-scores
Computed from 5 filingsOperates food retail and wholesale distribution businesses supplying convenience stores, hospitality and travel outlets. Acts as a SPAR wholesaler, provides logistics and supply chain services, and…
Serves independent SPAR retailers and UK retail, hospitality and leisure operators, including food retailers, forecourts, motorway service areas, pubs and education/leisure outlets, from independents…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
DISPERSE.IO LTD
Financial sub-scores
Computed from 3 filingsDevelops software for construction site documentation and management, capturing images from smartphones, 360° cameras and drones, and mapping them to plans and BIM models to track project progress,…
Serves B2B construction customers, including general contractors, trade contractors, project teams and asset owners managing jobsites and building projects across the project lifecycle.
Financial Health
WeakWeak · Hiring · 36% CAGR over 2y
Location
Untold Story Ltd
Financial sub-scores
Computed from 3 filingsDesigns and arranges bespoke luxury travel itineraries worldwide, including private holidays, honeymoons, family trips, wildlife safaris and cultural experiences. Provides trip planning, destination…
Serves affluent private travellers, families, couples and honeymooners seeking bespoke luxury holidays, adventure trips, safaris, cultural journeys and event access worldwide, including clients in…
Financial Health
StableStable · Hiring · 22% CAGR over 2y
Location
FARRINGDON ENERGY LIMITED
Financial sub-scores
Computed from 5 filingsSupplies electricity to small and medium-sized businesses. Provides services for switching suppliers, setting up new electricity connections, reconnecting supply, managing meters and billing, and…
Serves small businesses and SMEs needing business electricity supply, including owners moving premises, switching suppliers or reconnecting supply; also works with brokers and referral partners in…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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How Fastly 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.
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.
Fastly is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
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