Companies Using W3 Total Cache in London: 518 Active Firms (2026)
London companies running website caching software operate public sites that prioritise faster page delivery for local and wider UK audiences.
Companies running this caching stack are usually trying to take pressure off content-managed websites rather than buying a full replatform. The stack sits near the publishing layer, reducing repeat page generation work, compressing assets and making visitor journeys less dependent on server response times. Adoption tends to signal a marketing, web-operations or agency-managed site with enough traffic, content refresh and commercial dependency to make performance work part of normal maintenance. The common use cases are content publishing, ecommerce, bookings, membership, professional services and lead generation, where slower pages can affect search visibility, enquiries and conversion paths.
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London has 518 actively trading companies running this caching stack, making the adoption base visible but still concentrated in organisations with public-facing web operations. Reported headcount across the cohort totals 3,128 people, so the footprint is not limited to very small brochure sites with a leftover plugin. The mix implied by those employers is practical: local service firms, property-related businesses, publishers, travel operators and professional-services teams that rely on a site to handle enquiries, bookings, content discovery or account-led sales before a human conversation starts.
Procurement usually sits between marketing, web operations and an external web agency, which can make ownership of caching rules slightly untidy. The practical privacy issue is not the cache itself but what it serves: cookie banners, analytics tags, contact forms, logged-in pages and personalised content all need to remain consistent with UK consent and privacy obligations. Caching layers can also create audit problems when outdated privacy notices, pricing pages or booking terms persist after a site update. For professional-services and membership sites, procurement teams tend to ask how the wider web stack handles uptime, change control and access rights.
Adoption appears likely to become less of a stand-alone web-speed decision and more a by-product of hosting, security and content-management choices. Smaller organisations tend to keep familiar caching plugins in place until a redesign, while larger marketing teams are more likely to fold performance work into broader site-governance and consent-management processes. The pressure point is compatibility: privacy tools, ecommerce flows, booking journeys and search scripts all change often, and caching rules have to keep pace. Some consolidation also seems plausible as managed hosting and edge-network providers bundle more of this work into service contracts.
What’s in the file
One row per company, 50+ columns — everything below plus each company’s verified directors, from Companies House filings.
Company data
Verified directors — included
Adoption by company size
Adoption of W3 Total Cache rises with company size across the trading companies in this cohort. 0.1% of the 532,485 companies with under 10 employees run W3 Total Cache (368 detected). 0.8% of the 15,364 companies with 10–50 employees run W3 Total Cache (127 detected). 1.1% of the 1,763 companies with over 50 employees run W3 Total Cache (19 detected). That is a 1% gap between the over 50 employees and under 10 employees bands.
518
Active firms
2026
35
Above £5M turnover
Trading firms
5
Median headcount
Filed accounts
1,180
Verified directors
Across this cohort
Top companies using W3 Total Cache in London
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 filingsOperates online learning platforms and publishes technical content for software professionals, including articles, magazines, e‑books, and tutorials. Organises technology conferences, workshops, and…
Serves software and technology professionals across industries and seniority levels, including decision-makers evaluating technology investments, as well as B2B sponsors and advertisers seeking…
Financial Health
StrongStrong
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Computed from 5 filingsPublishes sports industry news, analysis and reports through its online media platform. Produces podcasts, newsletters and market research, and organises conferences and events, alongside…
Serves B2B professionals and decision makers across the international sports industry, including rights holders, broadcasters, sponsors, agencies, investors, technology providers and event organisers.
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 4y
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Computed from 5 filingsSupports innovation by connecting businesses, researchers and investors, delivering sector networks, funding programmes, events and knowledge resources, and managing initiatives such as Knowledge…
Serves UK businesses, researchers, entrepreneurs, investors and public-sector innovation teams across sectors including agrifood, digital, health, energy, manufacturing, transport and defence.
Financial Health
StrongStrong · Hiring · 8% CAGR over 6y
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Computed from 5 filingsOperates an online platform and mobile app for the security industry that connects employers with security personnel. Provides tools for recruiting, vetting and training staff, a security job board,…
Serves UK security employers needing to train, hire and vet staff, and security workers/jobseekers such as door supervisors, CCTV operators and guards seeking jobs and licensing support.
Financial Health
StrongStrong · Growing, Hiring · 50% CAGR over 4y
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Computed from 4 filingsOperates a chain of Japanese takeaway and restaurant outlets serving handmade sushi and hot dishes. Provides online ordering, home delivery and takeaway services, and offers catering for offices and…
Serves consumers ordering sushi for delivery or dining in, mainly in London and Reading, plus offices, corporate event organisers and customers planning special occasions needing catering.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 3y
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Computed from 4 filingsDevelops and operates digital-first restaurant brands for online delivery and click-and-collect. Partners with creators, chefs, and food brands to design menus, source ingredients, and provide…
Serves consumers ordering delivery or click-and-collect meals, and B2B partners including creators, chefs, brands and franchise operators seeking to launch or operate digital food brands.
Financial Health
StrongStrong · Growing · 0% CAGR over 3y
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Computed from 5 filingsDevelops contextual AI technology for digital advertising. Provides tools that classify and analyse online content and bidstream signals to enable cookie‑free ad targeting, campaign optimisation, and…
Serves enterprise brands, media agencies, broadcasters, publishers, online platforms and adtech partners involved in digital, programmatic and CTV advertising.
Financial Health
HealthyHealthy · -54% CAGR over 5y
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Computed from 5 filingsProvides CIPD-accredited courses and training in human resources and learning and development, including Level 3, 5 and 7 qualifications. Delivers online and blended learning with tutor support, plus…
Serves HR and learning & development professionals seeking CIPD qualifications, plus employers needing staff development and management training, with offerings aimed at UK, MENA and India markets.
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
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Computed from 5 filingsOrganises international conferences and community platforms focused on artificial intelligence and emerging technologies, including the World Summit AI and Intelligent Health events. Provides a…
Serves a global AI and emerging technology audience, including technologists, clinicians, scientists, business leaders, startups, investors, academics, NGOs, policymakers, healthtech firms and…
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 4y
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Computed from 5 filingsDesigns and sells prom, evening, bridesmaid and special occasion dresses, including ball gowns, mermaid and A‑line styles in fabrics such as chiffon, satin, lace and tulle. Also sells accessories…
Sells primarily to consumers shopping for formalwear and accessories, especially bridesmaids, prom attendees, pageant entrants and people buying dresses for evening or special occasions. Also targets…
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StrongStrong · Growing, Hiring · 7% CAGR over 4y
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Computed from 3 filingsOwns, develops and operates real estate assets. Acquires and redevelops properties, managing design, construction and operations. Operates hotels and residential rental portfolios, including…
Serves consumers seeking urban accommodation, including hotel guests in London and key UK cities and residents renting affordable apartments in prime urban locations.
Financial Health
HealthyHealthy · Hiring · 45% CAGR over 2y
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Computed from 3 filingsOperates an online content platform providing articles, guides, podcasts and newsletters on fertility, pregnancy and parenting. Features expert profiles, health information, community stories, and…
Serves a mixed B2C/B2B market: people trying to conceive, pregnant people, parents and families, including LGBTQ+, solo-parenting, donor conception and surrogacy audiences, plus fertility, pregnancy…
Financial Health
StrongStrong · Hiring · 23% CAGR over 2y
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Computed from 4 filingsProvides digital marketing and technology consulting services including digital advertising management, marketing data analytics, adtech implementation, and cloud and e‑commerce solutions. Helps…
Sells to businesses’ in-house marketing, analytics and IT teams, and collaborates with media agencies. Targets companies seeking digital growth through advertising, data, ecommerce and cloud,…
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HealthyHealthy
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Computed from 3 filingsProvides B2B demand generation and lead generation services, using a proprietary business contact database, intent data, and AI analytics to run content syndication, programmatic nurture, email, and…
Serves B2B marketing and demand generation teams at brands, plus agencies running lead generation, ABM and nurture campaigns aimed at business buying committees.
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HealthyHealthy · Hiring · 22% CAGR over 2y
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Computed from 5 filingsProvides live-in home care services, matching trained carers with individuals who need support at home. Services include 24‑hour care, dementia and elderly care, disability support, respite care,…
Serves families across the UK arranging care for elderly relatives or loved ones with dementia, disabilities, complex conditions or hospital discharge needs, plus healthcare professionals and…
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HealthyHealthy · Hiring · 27% CAGR over 4y
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Computed from 5 filingsProvides private healthcare services including diagnostic imaging such as MRI, CT, X‑ray and ultrasound, musculoskeletal physiotherapy, joint injections, rheumatology and pain clinics, and specialist…
Serves private healthcare patients and service users seeking clinic-based diagnostic, musculoskeletal, rheumatology, pain, ADHD and other specialist care, including people managing ongoing health…
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StrongStrong · Growing, Hiring · 41% CAGR over 4y
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Computed from 4 filingsArranges private aircraft charters and travel logistics including corporate aviation, music touring, film production and sports team transport. Also provides cargo and time‑critical shipments, air…
Serves B2B clients needing specialist air travel and logistics, including corporate organisations, film and TV productions, music touring teams, sports teams and management, plus clients with…
Financial Health
StrongStrong · Hiring · 36% CAGR over 3y
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Computed from 5 filingsSupplies wholesale food and drink products to cafés, delis, restaurants, hotels and pubs, including freshly squeezed and cold‑pressed juices, dairy and cheese, meat, fish, charcuterie, soups, sauces,…
Serves B2B food-service customers across London, including cafés, delis, restaurants, hotels, pubs, contract caterers, multi-site operators and other wholesalers.
Financial Health
StrongStrong · Hiring · 7% CAGR over 5y
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Computed from 4 filingsProvides recruitment services for the education sector, sourcing and placing teachers and other educators in schools. Supports candidates with job searches, applications and interviews, and connects…
Serves schools seeking teaching staff and educators looking for roles, including early-career/NQT teachers, with an emphasis on matching candidates to schools in London and the Southeast.
Financial Health
StrongStrong · Hiring · 32% CAGR over 4y
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Computed from 3 filingsProvides software platform connecting to crypto exchanges and blockchains to manage digital asset portfolios, capture trades, aggregate data, and monitor risk and exposures with analytics and…
Serves institutional digital asset investment businesses, including hedge funds, multi-manager platforms, OTC trading desks, treasury teams and prime brokerages, targeting portfolio managers,…
Financial Health
StrongStrong · Hiring · 22% CAGR over 2y
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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,…
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HealthyHealthy · Hiring · 24% CAGR over 4y
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Computed from 4 filingsOperates an online comparison platform that enables property sellers and landlords to find and compare estate and letting agents. Displays agent fees, services, locations, ratings, and regulatory…
Serves UK property sellers and landlords seeking estate or letting agents, alongside estate and letting agencies looking for landlord and vendor leads.
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StrongStrong · Growing · 0% CAGR over 3y
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Computed from 5 filingsSpecialist recruitment agency for architecture, design and creative industries. Sources and places professionals in roles at architecture and design practices, providing candidate search, job…
Serves architecture, interior design and creative practices hiring talent, alongside candidates seeking roles, across London, New York, Los Angeles, Miami and EMEA.
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HealthyHealthy · Hiring · 14% CAGR over 4y
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Computed from 4 filingsProvides courier and logistics services including same-day and overnight delivery, pallet distribution, international shipping, and final‑mile transport. Also offers warehousing, storage, fulfilment,…
Serves businesses needing same-day courier, pallet freight, scheduled delivery, international shipping, and storage or fulfilment services across the UK, Ireland and Europe.
Financial Health
StrongStrong · Profitable
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Computed from 5 filingsProvides managed IT services for financial services firms and alternative investment managers, including cloud infrastructure, cybersecurity, network management, IT support and advisory services.…
Serves COOs, CEOs and CIOs at hedge funds, alternative investment managers, specialist investment firms and other highly regulated financial services businesses with stringent compliance and investor…
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StrongStrong · Growing, Hiring · 19% CAGR over 4y
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Computed from 3 filingsManages and lets shared residential houses, offering furnished rooms and house-share accommodation for tenants. Provides property management for landlords, including long-term leasing, tenant…
Serves young professional renters seeking houseshares in London and landlords or property owners with large London properties looking for long-term rental arrangements.
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StrongStrong · Growing · 0% CAGR over 2y
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Computed from 2 filingsDevelops software for managing electric vehicle charging and connected home energy devices. Provides an energy operating system with AI-driven control, data aggregation and white‑label mobile apps…
Serves energy retailers, home electrification businesses and companies in the EV value chain, while also targeting EV drivers and home energy users through its consumer app.
Financial Health
WeakWeak · Hiring · 172% CAGR over 1y
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Computed from 5 filingsProvides short‑term PCO vehicle hire for private hire drivers, supplying hybrid and electric cars approved for ride‑hailing platforms such as Uber and Bolt. Offers weekly rentals with optional…
Serves licensed private-hire/PCO drivers in London and the South East, especially Uber, Bolt and Wheely drivers needing short-term TfL-compliant vehicle rental.
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StrongStrong · Growing, Hiring · 57% CAGR over 4y
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Computed from 3 filingsDevelops cloud-based management information and finance software for education institutions. Provides systems for pupil data management, school administration, accounting, parent and student portals,…
Serves education-sector organisations, including primary and secondary schools, multi-academy trusts, SEND and all-through schools, maintained schools, local authorities and school finance or…
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StrongStrong · Profitable
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Computed from 4 filingsProvides travel management services for touring entertainment, film and TV productions, corporate travel, sports teams and events. Arranges flights, accommodation, logistics and itineraries, and…
Serves touring and entertainment teams, film and TV productions, corporate travel and events buyers, sports organisations, elite athletes and private luxury travellers.
Financial Health
StrongStrong · Hiring · 76% CAGR over 3y
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Computed from 3 filingsProvides a venue finding service for event organisers, sourcing and recommending venues for meetings, conferences, parties, exhibitions and corporate events. Collects event requirements and matches…
Serves event organisers, corporate teams and private clients seeking London venues for conferences, meetings, parties, exhibitions, product launches, dining and seasonal events.
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StrongStrong · Hiring · 18% CAGR over 2y
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Computed from 5 filingsDevelops software for product customization and visual commerce. Provides online and in‑store configurators, asset and order management tools, and integrations that enable brands to offer…
Sells to enterprise brands and retailers running e-commerce, in-store retail and live event channels, including fashion, sports, jewellery, consumer goods, industrial and healthcare equipment brands…
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Computed from 5 filingsProvides market research and insight services through specialist brands. Activities include research for education, healthcare, financial services and technology sectors, analysis of membership…
Serves B2B clients in education, healthcare, financial services and technology, plus membership organisations, student living providers and employers focused on employee experience and wellbeing.
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StrongStrong · Growing, Hiring · 8% CAGR over 4y
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Computed from 5 filingsProvides consulting services for digital transformation programmes, including ERP and CRM implementation, enterprise platform optimisation, cybersecurity and cloud adoption. Supports planning,…
Serves large enterprises and public sector organisations, targeting CPG and retail brands, media and advertising firms, financial institutions, insurers, life sciences companies, and healthcare…
Financial Health
HealthyHealthy · -53% CAGR over 5y
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Computed from 5 filingsDevelops software and data solutions for the automotive and insurance sectors, including tools for vehicle damage assessment, repair cost estimation, and management of claims, maintenance, and fleet…
Serves B2B automotive and insurance organisations: insurers, claims assessors, repair workshops, dealerships, fleet managers, rental/leasing firms and mechanical warranty providers across Europe.
Financial Health
StrongStrong · Hiring · 32% CAGR over 4y
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Computed from 5 filingsProvides market research data collection and analysis services for research agencies, consultants and corporate clients. Conducts surveys via online panels, CATI, face‑to‑face and mobile, and…
Serves B2B clients including independent research consultants, small to mid-sized market research agencies, PR and media firms, and international blue-chip corporations across sectors such as…
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 5y
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Computed from 5 filingsProvides vocational training and education programmes, including apprenticeships, distance learning and online courses. Offers work-based and short courses in areas such as health and social care,…
Serves individual adult learners seeking publicly funded courses, apprenticeships and career changes, including eligible residents in Greenwich and people entering education, beauty, health and…
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StrongStrong · Hiring · 50% CAGR over 4y
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Computed from 5 filingsProvides automated energy management software that analyses energy metering data to monitor gas and electricity use across multiple sites. Also installs and supports sub‑metering systems and…
Sells to businesses and larger organisations managing multiple sites or complex estates, especially energy managers and site managers in academic institutions, commercial property, hotels,…
Financial Health
StrongStrong · Hiring · 6% CAGR over 4y
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Computed from 5 filingsProvides a SaaS platform for digital invoice distribution, customer communications and payment initiation. The system enables businesses to send invoices across multiple channels, manage onboarding,…
Serves European invoice-heavy businesses with large customer bases and high transaction volumes, spanning high-volume B2C and B2B billers and some public sector organisations.
Financial Health
StrongStrong · Hiring · 63% CAGR over 4y
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Computed from 3 filingsDevelops and provides a training platform delivering soft skills practice through virtual reality, mixed reality, and web-based simulations. Offers AI-driven roleplays, presentations, and coaching…
Serves businesses seeking employee soft-skills training, education providers teaching students, and individual professionals improving workplace communication, interviews, presentations, management…
Financial Health
StrongStrong · Growing, Hiring · 29% CAGR over 2y
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Computed from 5 filingsProvides recruitment services for creative, design, marketing, and digital roles. Operates an online job board and places candidates in permanent, temporary, and contract positions with agencies,…
Serves creative and digital professionals seeking roles, and employers in design, marketing, advertising, PR, media, property, finance, charity, hospitality and digital sectors in the UK and US.
Financial Health
HealthyHealthy · -2% CAGR over 4y
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Computed from 5 filingsProvides professional training courses in customer service, leadership, communication, sales, and management skills. Delivers certification programmes, online and on‑demand learning, onsite…
Sells to businesses seeking staff training, especially customer service, leadership, sales and management teams. Targets employers wanting online, onsite or customised courses for frontline staff,…
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Computed from 5 filingsProvides influencer marketing services including campaign strategy, creator partnerships, social media marketing, paid social advertising, and content production for brands, managing campaigns across…
Serves consumer and B2B brands, especially marketing teams in ecommerce, fashion, travel, beauty, luxury, gaming, food and beverage, and sports sectors.
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Computed from 5 filingsPrepares and sells Portuguese pastel de nata custard tarts, baked in small batches using traditional methods. Supplies the pastries through retail outlets and wholesale, alongside serving coffee and…
Serves consumers visiting bakery cafés and retail stores, plus wholesale buyers seeking Portuguese pastel de nata, with outlets highlighted in London, Oxford, Qatar, Kuwait and Turkey.
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StrongStrong · Hiring · 29% CAGR over 4y
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Computed from 5 filingsProvides media planning and buying services for brands, managing advertising campaigns across channels such as TV and digital media. Develops media strategies, optimises campaigns, and supports…
Serves brand-side marketing teams at new and established businesses, including consumer brands in sectors such as fintech, beauty, sport, insurance and ecommerce.
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StrongStrong · Hiring · 8% CAGR over 4y
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Computed from 5 filingsProvides financial market reference data including global holidays, trading hours, expiry dates, time zones and economic events. Supplies forward‑looking and historical datasets and research used for…
Serves financial institutions, trading desks, quantitative analysts and data teams needing global market-calendar and event data for valuation, trading strategies and model back-testing.
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StrongStrong · Hiring · 22% CAGR over 4y
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Computed from 5 filingsOperates an online store selling African and international food products, including bouillon seasonings, palm oil, gari, rice, dried fish, beans, beverages and cooking ingredients, as well as…
Serves UK consumers and households looking for African and world food products, particularly shoppers buying West African staples, seasonings, oils, frozen foods, drinks and related household items.
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StrongStrong · Growing · 2% CAGR over 4y
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Computed from 5 filingsProduces and sells condiments including tomato ketchup, flavoured mayonnaise and salsas for retail and food service. Offers products such as upcycled tomato ketchup, keto-certified sauces and…
Serves retail consumers in the UK and USA, grocery stockists, and foodservice operators such as caterers, restaurants and commercial kitchens needing front- or back-of-house formats.
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StrongStrong · Hiring · 7% CAGR over 4y
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Computed from 5 filingsProvides residential property services including property acquisition, sales and lettings, block and property management, project management, and concierge services for residential property owners…
Serves residential property clients in London, including landlords, leaseholders, block owners and buyers seeking property acquisition, sales, lettings, block management and wider property management…
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
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Key facts
About 6% of the trading cohort reports turnover above £5M (35 of 518 firms) — the rest sits below that revenue band.
6% of the cohort was incorporated since 2022 (36 firms), so a sizeable share is in its first few filing cycles.
The caching-software cohort is closely tied to plugin-led publishing, with 99.4% also running the same content-management platform pattern.
Search and measurement tools are common on these sites: 61.4% run SEO tooling and 44.6% run analytics tracking.
Audience-facing forms and verification layers are also visible, with 36.3% running contact-form tooling and 44.2% using challenge-based bot checks.
Service sectors make up a sizeable part of the cohort: construction accounts for 10.6%, real estate and property for 9.3%, and field services and trades for 8.9%.
Content-delivery and security layers appear in 30.5% of the cohort, suggesting that caching often sits alongside broader site-performance infrastructure.
What else do W3 Total Cache users run?
Share of the 518 W3 Total Cache-running UK companies where each technology was also detected. As of June 2026.
Who runs W3 Total Cache 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.
5
Median headcount
£524.7K
Median UK turnover
6.8%
Above £5M turnover
36
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 1,037 companies, alongside financials and websites, in one Excel + CSV file.
How W3 Total Cache 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.
W3 Total Cache is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
W3 Total Cache elsewhere
Frequently asked questions
How many companies in London use W3 Total Cache?
How is W3 Total Cache usage detected?
What kinds of companies use W3 Total Cache in London?
What do W3 Total Cache users in London also run?
How fresh is this data?
Can I get contact details for these companies?
Buy all 1,037 companies as a spreadsheet.
One Excel/CSV file with company details, websites and key data — yours to download and use.