Companies Using Fathom Analytics in London: 103 Active Firms (2026)
London companies running privacy-focused web analytics measure website traffic and user journeys through scripts detected on public sites.
Adoption usually sits with marketing, growth and web operations teams rather than central IT. The script’s job is narrower than an advertising analytics suite: page views, referrers, content performance and conversion paths, presented in a way that small commercial teams can read without a dedicated analytics function. For London users, running it tends to signal a public website that already matters to revenue, but not necessarily an enterprise martech department. The buying pattern fits subscription, ecommerce, professional-services and B2B lead-generation sites where privacy posture, page speed and simple attribution are part of the customer-acquisition trade-off.
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London has 103 actively trading companies running this privacy-focused web analytics script on public websites, so the adoption footprint is small and fairly specialist rather than a mass-market technology signal. Reported employment across the cohort totals 932 people, which points to a mostly lean-company base rather than large analytics departments. The surrounding stack mix is consistent with practical website operations: content management, traffic routing, tag governance, search optimisation and contact-form security sit alongside analytics in many implementations.
Privacy-focused measurement changes the compliance conversation, but it does not make it disappear. London operators still need to assess UK GDPR and PECR duties where analytics scripts interact with cookies, device identifiers, IP addresses or marketing attribution workflows. Procurement tends to sit between marketing and legal rather than only engineering, especially for subscription, ecommerce and professional-services websites that use conversion reporting in sales planning. The main market-structure point is substitution: these tools are often adopted to reduce dependence on heavier advertising analytics stacks, not to replace wider customer-data governance.
Adoption appears likely to remain selective. The fit is clearest where website traffic is commercially important, teams are lean, and privacy language has become part of the sales or procurement process. Some users will keep a lighter analytics layer alongside broader marketing tooling, while others may move back into bundled suites if reporting, consent management and attribution are packaged together. The cohort therefore looks more like a preference-led stack choice than a standalone sector, with churn shaped by governance burden, integration needs and the patience of marketing teams.
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 Fathom Analytics rises with company size across the trading companies in this cohort. 0% of the 532,485 companies with under 10 employees run Fathom Analytics (68 detected). 0.2% of the 15,364 companies with 10–50 employees run Fathom Analytics (30 detected). 0.2% of the 1,763 companies with over 50 employees run Fathom Analytics (3 detected). That is a 0.2% gap between the over 50 employees and under 10 employees bands.
103
Active firms
2026
5
Above £5M turnover
Trading firms
6
Median headcount
Filed accounts
249
Verified directors
Across this cohort
Top companies using Fathom Analytics 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 3 filingsProvides managed hosting platforms for WordPress websites and applications, including site management, security, performance optimisation, developer tools, and infrastructure for e‑commerce, media,…
Serves B2B customers including enterprise digital teams, creative agencies, developers, small businesses, ecommerce retailers and media/newsroom organisations using WordPress websites and…
Financial Health
StrongStrong · Profitable, Growing · 4% CAGR over 2y
Location
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Computed from 5 filingsProvides cloud-based software for public relations teams to compile media coverage, collect metrics from online and social platforms, and generate shareable reports and data exports to measure the…
Serves PR agencies, in-house communications teams and enterprise PR departments, including account directors, PR executives and publicists reporting to clients and internal stakeholders across more…
Financial Health
StableStable
Location
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Computed from 5 filingsPublishes travel trade media for travel agents and industry professionals, including news, analysis, features and business advice via its TTG website, newsletters and print titles. Also produces…
Sells to B2B travel trade professionals, especially travel agents and advisors in the UK and Ireland, as well as travel agency leaders, luxury agents, cruise specialists and other travel industry…
Financial Health
StableStable · 0% CAGR over 4y
Location
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Develops carbon reporting software and provides sustainability consulting to help organisations measure and report greenhouse gas emissions, create carbon reduction and net zero strategies, purchase…
Serves businesses and organisations of all sizes, from SMEs to multinational corporations, seeking support with carbon reporting, reduction, offsetting and net zero goals.
Financial Health
N/AN/A
Location
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Computed from 5 filingsDevelops and publishes narrative-driven video games for PC and console. Titles include Fallen London, Sunless Sea, Sunless Skies, Mask of the Rose and Mandrake, featuring story-focused gameplay and…
Sells to consumers, primarily PC and console gamers interested in story-rich independent games, including players of its online and subscription-based titles and fans buying related merchandise.
Financial Health
StableStable · -4% CAGR over 4y
Location
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Computed from 5 filingsDevelops software platforms for managing data permissions, consent and data rights. Provides tools for marketing permissions, HR permissions, open banking, delegated consent, children’s privacy and…
Serves businesses handling customer or employee permissions, especially financial services, open banking and embedded finance providers, marketing teams, HR functions, and organisations managing…
Financial Health
StrongStrong
Location
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Computed from 3 filingsDevelops AI-powered search and discovery software for e‑commerce websites, including enterprise search, conversational and generative AI features, and tools for managing product queries and search…
Serves ecommerce retailers and consumer brands of varying sizes, from small stores to enterprise commerce teams, seeking AI search capabilities for online shopping experiences.
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Computed from 4 filingsProvides residential estate agency services including property sales, lettings, and valuations. Markets homes to buyers and tenants, supports landlords and renters, and offers property management and…
Serves property sellers, landlords, buyers and tenants in north and north-west London residential markets, especially St John’s Wood, Maida Vale, Hampstead, Primrose Hill, Temple Fortune, Golders…
Financial Health
StableStable · 0% CAGR over 3y
Location
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Computed from 5 filingsProvides credit risk analytics and consensus credit data derived from contributions by financial institutions. Offers datasets, indices, and analytical tools used for risk assessment, portfolio…
Serves financial institutions and risk professionals, including bank credit risk teams, central counterparties, corporate treasuries, fund financing teams, securities finance desks, structured credit…
Financial Health
WeakWeak · -67% CAGR over 4y
Location
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Computed from 3 filingsProvides residential and commercial estate agency services including property sales, lettings, tenant services, property management, valuations, and marketing of new-build developments. Also handles…
Serves homeowners, landlords, tenants, property buyers, developers and commercial property clients in West London and Sherborne, including clients seeking sales, lettings, new homes, property…
Financial Health
WeakWeak · 2% CAGR over 2y
Location
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Computed from 3 filingsDesigns and sells custom and branded performance sports apparel, including cycling jerseys, bib shorts, triathlon suits, and athletics clothing, along with related accessories. Provides team kit…
Sells to individual athletes and sports enthusiasts, plus clubs and teams seeking custom kit, across cycling, triathlon, athletics, skate and ski. Targets both serious amateurs and competitive racers…
Financial Health
StableStable · -37% CAGR over 2y
Location
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Computed from 3 filingsDevelops event management software for cultural venues such as theatres and festivals, enabling teams to plan programmes, schedule staff, manage contacts, track resources and bookings, and monitor…
Serves B2B and public-sector customers in the cultural sector, including theatres, festivals, music venues and local councils, especially venue and event teams managing programmes, personnel,…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Provides specialty insurance products for emerging technology sectors including digital assets, Web3, artificial intelligence, biotechnology and space. Offers tailored commercial insurance cover,…
Serves B2B clients worldwide in emerging industries, including Web3, crypto and digital assets, AI, biotech, alternative medicine, esports and the space economy, plus organisations seeking…
Financial Health
N/AN/A
Location
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Computed from 4 filingsProduces film and video content including commercials and branded campaigns. Represents a roster of directors and collaborates with creatives and producers to develop and deliver advertising,…
Serves brands and advertising agencies, including clients in retail, food, fashion, sportswear, business services and workspace/property sectors.
Financial Health
StableStable · 0% CAGR over 3y
Location
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Computed from 5 filingsProvides organisational consulting focused on organisational design, culture change and collective leadership. Offers transformation programmes, change acceleration methods such as Viral Change,…
Targets B2B senior leadership teams, boards, executive committees and investors in organisations facing cultural transformation, productivity issues, complex change, M&A or restructuring.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides consulting, coaching and training to organisations on improving software delivery and product development processes, including agile methods, technology practices and organisational change,…
Serves B2B organisations with product, management, technology and operations teams, especially those where IT delivery, governance and operational hand-offs affect speed to market.
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 3 filingsProvides electric vehicle charging hardware and software, including home and commercial charge points, load‑balancing systems, and management apps and portals for residential properties, workplaces,…
Serves UK EV drivers and homeowners, plus developers, landlords, apartment blocks, workplaces, fleets, public/private car parks and destination charging operators. Also targets electrical installers…
Financial Health
WeakWeak · -6% CAGR over 2y
Location
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Computed from 5 filingsDevelops and distributes virtual reality and 360° video training for healthcare education. Provides a platform and applications that simulate clinical procedures, equipment use, and decision‑making…
Serves NHS organisations, academic medical institutions, MedTech companies and private healthcare providers seeking training for clinicians, surgical teams and other healthcare professionals.
Financial Health
WeakWeak
Location
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Computed from 2 filingsProvides employee coaching and mentoring services for organisations. Offers on‑demand one‑to‑one coaching, structured coaching programmes, reverse and peer mentoring, and a digital mentoring platform…
Serves organisations’ HR, people and leadership teams seeking coaching and mentoring for employees, including current or future leaders, early-career staff, high performers and teams managing change…
Financial Health
DistressedDistressed · -28% CAGR over 1y
Location
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Computed from 4 filingsDevelops custom branded games and interactive experiences within the Fortnite Creative platform for brands and organisations. Also integrates branded content into existing Fortnite maps and game…
Serves consumer brands, sports and esports organisations, entertainment/IP owners, and marketing teams seeking branded Fortnite activations and integrations for gaming audiences.
Financial Health
DistressedDistressed · -21% CAGR over 3y
Location
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Computed from 3 filingsProvides cosmetic and reconstructive plastic surgery procedures, including breast enlargement, reduction, reconstruction and implant removal, as well as abdominoplasty, scar revision and complex…
Serves private patients seeking cosmetic or reconstructive plastic surgery in London, including breast, abdominal and body procedures, implant removal, scar revision and complex hernia treatment.
Financial Health
StableStable · -90% CAGR over 2y
Location
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Computed from 5 filingsProduces online educational content on productivity, studying and online business through YouTube videos, articles, podcasts and newsletters. Sells books and online courses and provides digital…
Serves individual consumers: aspiring YouTubers, students preparing for exams, productivity and self-improvement readers, and people interested in starting online businesses or improving their…
Financial Health
StrongStrong · Hiring · 85% CAGR over 4y
Location
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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
Location
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Computed from 5 filingsOperates a creative agency and platform connecting brands with photographers, filmmakers and artists to produce advertising campaigns, branded content and digital media projects, and publishes…
Serves marketing and brand teams at fashion, beauty, luxury and consumer lifestyle brands seeking collaborations with photographers, filmmakers, stylists and multidisciplinary creators for campaigns…
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsProvides marketing and communications services for brands, including influencer marketing, experiential campaigns, social media content, PR, music and talent partnerships, and paid media planning and…
Serves consumer brands and marketing teams in lifestyle, fashion, sports, drinks and tech sectors, including UK and European brands seeking culture-led audience engagement.
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsDesigns and sells luxury board games and gaming accessories, including bespoke backgammon boards, poker sets, playing cards, chess sets, and games tables. Offers customisation and personalisation,…
Serves affluent consumers, gift buyers and collectors seeking personalised luxury games, plus brands commissioning bespoke pieces or partnership projects. Sells internationally through an online shop…
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsProvides merchandising services for online creators and brands, including product design, sourcing and manufacturing, e‑commerce store setup, order fulfilment and distribution. Also organises…
Serves creators, artists and consumer brands with established fan communities, including YouTubers and touring personalities seeking managed merchandise operations and fan-facing product launches.
Financial Health
StableStable
Location
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Computed from 3 filingsOperates an immersive digital entertainment and media venue featuring large-scale interactive screens, live music spaces and cultural exhibitions. Produces digital content and sells advertising…
Serves London visitors, families and live music audiences, alongside brands, advertisers, event organisers and partners seeking venue, retail and media opportunities.
Financial Health
StableStable · -89% CAGR over 2y
Location
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Computed from 4 filingsDevelops software for GP practices that automates administrative tasks in primary care, including patient registration processing, laboratory report filing, and online booking tools, helping…
Serves NHS primary care organisations, especially GP practices in England, including practice managers, administrative teams and clinical staff responsible for patient registrations and lab report…
Financial Health
StableStable · Hiring · 92% CAGR over 2y
Location
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Computed from 5 filingsActs as a leisure property agency specialising in restaurants, bars and cafés. Brokers sales and lettings of hospitality premises, advises on site acquisitions, rent reviews and valuations, and…
Serves B2B leisure operators, restaurant, bar and cafe brands seeking premises in and around London, as well as landlords and property owners looking to sell, let or value leisure sites.
Financial Health
WeakWeak · -6% CAGR over 4y
Location
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Computed from 5 filingsProvides creative production services including motion video and photography production, covering concept development, filming and post-production for advertising, brand and editorial digital content…
Financial Health
StableStable · -62% CAGR over 4y
Location
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Computed from 5 filingsOperates an independent music record label that signs and promotes recording artists. Releases and distributes albums and singles, manages artist catalogues, and sells music and merchandise through…
Serves music fans and consumers following alternative and indie artists, alongside recording artists seeking records, publishing or management representation.
Financial Health
DistressedDistressed · -62% CAGR over 4y
Location
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Computed from 5 filingsDevelops and operates city‑centre media and entertainment districts combining large‑scale digital screens, galleries, live music venues and retail spaces. Produces and hosts audiovisual exhibitions,…
Serves consumers visiting entertainment, music, arts and gaming attractions, and businesses including advertisers, brand partners, event organisers and venue hirers targeting city-centre London…
Financial Health
DistressedDistressed
Location
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Computed from 4 filingsProvides regulatory compliance consultancy for financial services firms, including FCA authorisation applications, permissions and reporting, policies and procedures, SMCR support, data protection…
Serves B2B financial services firms, including mortgage, protection and general insurance brokers, consumer credit providers, fintechs, and e-money/payment service providers, from start-ups seeking…
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 3y
Location
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Computed from 3 filingsProvides cloud-based software for managing employee compensation, pay equity and transparency, and performance. The platform supports salary planning, benchmarking, pay gap analysis, compliance…
Serves enterprise HR, rewards and compensation leaders at global companies, including S&P 500 firms, across sectors such as energy, financial services and consumer goods.
Financial Health
HealthyHealthy · 4% CAGR over 2y
Location
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Computed from 5 filingsDevelops a digital trading network for institutional investors that enables discovery, assessment and execution of large equity block trades. Provides tools for pre‑trade liquidity discovery, price…
Serves asset managers, institutional investors, and buy-side equity trading teams, including traders and portfolio managers at large financial institutions navigating fragmented equity markets.
Financial Health
StableStable · Hiring · 11% CAGR over 4y
Location
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Computed from 3 filingsProvides general and cosmetic dental services including dental implants, orthodontics such as Invisalign and lingual braces, porcelain veneers, teeth whitening, dental hygiene, and emergency…
Serves private dental patients in London W1, including adults, children, nervous patients, international patients, and people seeking cosmetic, orthodontic, implant, emergency, hygiene and general…
Financial Health
DistressedDistressed · -4% CAGR over 2y
Location
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Provides audit and consultancy services to the insurance and reinsurance industry, including inspection of records, claims review and management, compliance and quality assurance reviews, subrogation…
Sells to B2B clients in the insurance and reinsurance industry, including insurers, reinsurers, MGAs, TPAs and other market participants needing audit, claims and compliance support, wherever they…
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Provides public relations and strategic communications consultancy, advising companies, institutions and individuals on reputation management, media relations, public affairs and stakeholder…
Serves B2B, institutional and high-profile individual clients, including corporate leaders and communications/public affairs teams in sectors such as energy, healthcare, food and drink, sport,…
Financial Health
N/AN/A
Location
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Computed from 3 filingsProvides cloud-based security workforce management software for security firms and enterprise teams, including tools for guard tour tracking, incident reporting, dispatch, scheduling, compliance…
Serves security guarding firms and enterprise corporate security teams in sectors including financial services, healthcare, higher education, hospitality, manufacturing, oil and gas, property…
Financial Health
StrongStrong · Hiring · 18% CAGR over 2y
Location
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Computed from 5 filingsOperates a professional membership organisation for marketing professionals, providing industry events, networking programmes, skills development resources, online content, and awards programmes for…
Serves individual marketers and in-house marketing teams, with emphasis on senior/head-level marketing leaders and experienced managers across England, Scotland, APAC, MENA and the US.
Financial Health
StableStable · Hiring · 4% CAGR over 4y
Location
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Computed from 3 filingsProvides technology recruitment and talent services, including permanent and contract placements, executive search, and project delivery. Sources professionals across software engineering, data and…
Serves businesses building or scaling technology teams, including finance, AI, pharma, tech and communications firms, targeting hiring managers and leaders needing software, data, product, platform,…
Financial Health
HealthyHealthy · Profitable · -5% CAGR over 3y
Location
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Computed from 5 filingsProvides recruitment, placement and management of on-site staff for residential and mixed-use property developments, including concierges, security personnel, cleaners, caretakers, fire wardens and…
Serves B2B property developers, landlords and managing agents responsible for residential and mixed-use schemes, primarily in London and the South East with expansion across UK cities.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Computed from 2 filingsDevelops and provides software for heat pump installers that manages enquiry capture, estimates, surveys, heat loss calculations, system design, proposals, compliance documentation, and installation…
Serves UK heat pump installation businesses, including installers and their teams managing enquiries, surveys, designs, proposals, compliance documentation, installations and handovers.
Financial Health
StrongStrong · Growing, Hiring · 75% CAGR over 1y
Location
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Computed from 5 filingsProvides video marketing and creative services for brands, including campaign strategy, video production, influencer marketing, and performance analytics. Produces social media video content and…
Serves B2B marketing teams and brand managers at large and small consumer-facing brands, agencies and digital businesses seeking social media, influencer and performance-led campaign support.
Financial Health
StrongStrong · Growing, Hiring · 48% CAGR over 5y
Location
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Computed from 5 filingsOperates an electronic foreign exchange trading platform enabling institutional participants to execute FX transactions at mid‑market prices. Provides anonymous trading, algorithmic execution,…
Targets institutional FX market participants, including asset managers, central banks, corporates and sovereign wealth funds, rather than retail traders or high-frequency trading firms.
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsProvides service design and digital product development services, including user research, prototyping and software engineering. Works with public and commercial organisations to design, build and…
Serves UK public sector organisations—central government, local authorities, health services and charities—plus commercial clients in healthcare, planning and housing, education and infrastructure.
Financial Health
StableStable · -7% CAGR over 4y
Location
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Computed from 3 filingsDevelops embedded artificial intelligence software for cameras and low‑power devices, including people, face, vehicle and animal detection. Provides inference engines, neural network models, and data…
Sells to smart home camera brands, device OEMs and embedded AI developers working with intelligent cameras, edge sensors, low-cost microcontrollers, camera SoCs and cloud platforms.
Financial Health
HealthyHealthy · -9% CAGR over 2y
Location
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Computed from 5 filingsProvides managed IT services, including system monitoring and maintenance, cybersecurity, cloud and Microsoft 365 solutions, and AI consulting. Helps businesses assess, implement, and optimise…
Serves small and medium-sized businesses that need external IT support, cybersecurity, cloud/Microsoft 365 and AI guidance, including leadership and finance teams managing office-based or distributed…
Financial Health
DistressedDistressed · -67% CAGR over 4y
Location
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Computed from 5 filingsProvides corporate health and wellbeing services for employers, including employee health assessments, wellbeing checks, dietary consultations, mental health assessment tools, health advice services,…
Serves UK employers and HR teams seeking workplace health, employee wellbeing and first aid support for their staff, across businesses wanting to reduce absence and support employee morale.
Financial Health
DistressedDistressed · -9% CAGR over 4y
Location
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Key facts
About 4% of the trading cohort reports turnover above £5M (5 of 103 firms) — the rest sits below that revenue band.
4% of the cohort was incorporated since 2022 (5 firms), so a sizeable share is in its first few filing cycles.
The most common co-detected content-management platform appears on 56.3% of sites (58 companies), while an edge-network and security layer appears on 54.4% (56).
Tag-management tooling and a separate mainstream analytics package each appear on 35.0% of sites (36 companies), suggesting some users run privacy-oriented analytics alongside conventional marketing measurement.
Sector tags overlap, but real estate and property is the largest category at 22.3% (23), ahead of management consulting at 11.7% (12) and SaaS at 10.7% (11).
Financial-health ratings are mixed across the London cohort: 30.1% (31) are stable, 24.3% (25) are weak and 11.7% (12) are distressed.
249 verified directors are associated with the cohort, giving more than one possible route into many companies.
What else do Fathom Analytics users run?
Share of the 103 Fathom Analytics-running UK companies where each technology was also detected. As of June 2026.
Who runs Fathom Analytics 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
£632.2K
Median UK turnover
4.9%
Above £5M turnover
5
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 191 companies, alongside financials and websites, in one Excel + CSV file.
How Fathom Analytics 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.
Fathom Analytics is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
Fathom Analytics elsewhere
Frequently asked questions
How many companies in London use Fathom Analytics?
How is Fathom Analytics usage detected?
What kinds of companies use Fathom Analytics in London?
What do Fathom Analytics users in London also run?
How fresh is this data?
Can I get contact details for these companies?
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