Companies Using Pantheon in London: 84 Active Firms (2026)
London companies running managed website infrastructure use hosted content delivery and workflow tooling for public web estates.
For Pantheon users, the buying centre usually spans digital marketing, content operations and web engineering rather than a single IT owner. Adoption signals a public web estate that needs managed release workflows, uptime controls, cache-aware delivery and developer access without running hosting in house. The fit is most apparent among mid-market organisations with enough traffic, campaign activity or editorial cadence to justify a specialist platform, but not always a large infrastructure team. Engagements tend to sit above commodity hosting and below full enterprise platform rebuilds, with procurement shaped by risk, site performance and the need to move content changes through controlled environments.
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London has 84 actively trading companies running Pantheon, so the adoption picture is concentrated rather than mass-market. Together, they account for 2,545 reported employees, which points to a mix of small specialist teams and larger operating businesses with web estates worth managing carefully. The sector mix is not confined to software: charities, asset management, AI and consulting also appear in the cohort. That pattern fits a London buyer base where the public website often carries acquisition, publishing, investor-relations or service-delivery work rather than acting as a static brochure.
Procurement for managed web infrastructure tends to involve marketing, digital product, security and legal teams, because the same site may carry campaign tags, forms, customer portals or donation journeys. GDPR and ICO expectations put cookie consent, processor terms, access controls and retention policies into scope, even where the website itself is not a regulated product. Supplier review also tends to cover disaster recovery, content-release permissions and exit routes, since the web stack can become entangled with search visibility, analytics, content management and customer-acquisition workflows.
Adoption appears set to remain selective rather than universal. The profile suits organisations with public-web dependency and a small technical team, while firms with very simple sites often stay with bundled hosting or agency-managed arrangements. Migration pressure tends to come from governance rather than fashion: patching risk, workflow discipline, page-speed expectations and the need to separate content teams from production infrastructure. Some consolidation is likely as content platforms, edge delivery and analytics tooling are packaged more tightly, but buyers are likely to keep valuing specialist web operations where publishing cadence, donor journeys or regulated content reviews matter.
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 Pantheon rises with company size across the trading companies in this cohort. 0% of the 532,485 companies with under 10 employees run Pantheon (50 detected). 0.2% of the 15,364 companies with 10–50 employees run Pantheon (26 detected). 0.6% of the 1,763 companies with over 50 employees run Pantheon (10 detected). That is a 0.6% gap between the over 50 employees and under 10 employees bands.
84
Active firms
2026
11
Above £5M turnover
Trading firms
5
Median headcount
Filed accounts
252
Verified directors
Across this cohort
Top companies using Pantheon 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.
Provides home care services for adults and children, including live-in care, dementia care, end-of-life support, respite care and complex care for long-term or life-limiting conditions, delivered in…
Serves private individuals and families needing home-based care, including older adults, people with dementia, adults and children with complex or life-limiting conditions, and carers seeking respite…
Location
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Financial sub-scores
Computed from 5 filingsOperates an outpatient gynaecology and fertility clinic providing fertility assessments and treatments including IVF, ICSI, IUI, egg freezing, ovulation induction, genetic testing, and donor…
Serves private patients in London seeking fertility and gynaecology support, including couples, single women, LGBTQ+ families, people preserving fertility, and patients with male or female…
Financial Health
HealthyHealthy · Hiring · 21% CAGR over 4y
Location
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Computed from 5 filingsOperates fitness studios offering high‑intensity interval training classes combining treadmill running and strength workouts. Also sells branded athletic apparel, accessories, and workout equipment…
Serves fitness consumers and class-goers, plus men and women buying branded athletic wear, accessories, recovery products and equipment through its online shop.
Financial Health
WeakWeak · -6% CAGR over 4y
Location
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Computed from 3 filingsProvides healthcare market intelligence, data products and consultancy focused on the NHS. Offers benchmarking, stakeholder mapping, policy analysis and events that connect healthcare suppliers and…
Serves senior NHS decision makers, healthcare leaders and supplier partners supporting the NHS, including life sciences, digital health and technology organisations seeking to engage with UK…
Financial Health
WeakWeak · -4% CAGR over 2y
Location
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Computed from 4 filingsManages venue hire, conferences and hospitality operations for the Royal Institution and secures sponsorship for events. Organises public science talks, lectures, workshops and educational…
Serves a mixed audience: adults, children, families, schools and teachers interested in science education and events, alongside organisations seeking sponsorship or venue hire linked to science and…
Financial Health
WeakWeak
Location
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Computed from 2 filingsProvides hospice and palliative care for people with life‑limiting illnesses through inpatient and home‑based services. Offers clinical support, counselling and bereavement support for patients,…
Serves people in Sutton and Merton with life-limiting or advanced illness, alongside their families, carers and bereaved loved ones; also engages local donors, volunteers and corporate supporters.
Financial Health
StableStable · Profitable · -3% CAGR over 1y
Location
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Computed from 3 filingsOperates an online fundraising platform that enables individuals and charities to create fundraising pages, collect donations, run charity campaigns and events, and process contributions online,…
Serves charities, individual fundraisers and donors using online giving, including people raising money for personal, community and nonprofit causes. Targets both organisations and consumers involved…
Financial Health
StableStable · 0% CAGR over 2y
Location
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Provides strategic communications and stakeholder advisory services to corporations and organisations on high‑stakes issues such as mergers, corporate crises, regulatory matters, public affairs, and…
Serves large multinational companies and other leading organisations, primarily senior executives, boards, communications leaders and public affairs teams managing critical stakeholder relationships.
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Computed from 4 filingsProvides strategic communications and public affairs consulting, advising businesses, media organisations and political stakeholders on communication strategy, media relations, government relations,…
Serves B2B and public-sector clients, including FTSE 100 and challenger businesses, global media organisations, political campaigns, politicians, energy projects and industry bodies facing complex…
Financial Health
StrongStrong · Hiring · 25% CAGR over 5y
Location
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Computed from 3 filingsProperty development and management company involved in community-led regeneration. Supports the provision of housing, community facilities, commercial retail units, and event and meeting spaces,…
Serves residents and community groups in Waterloo and North Southwark, including families, children, young people and over-50s, plus businesses, event organisers, visitors and independent retailers…
Financial Health
StrongStrong
Location
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Computed from 5 filingsProvides recruitment services for IT and business change roles, sourcing and screening technology and transformation professionals for permanent and contract positions. Serves sectors including…
Sells to businesses hiring IT and business change professionals, particularly employers in banking and trading, legal, consulting, insurance, utilities and not-for-profit sectors. Also serves tech…
Financial Health
StableStable · -70% CAGR over 4y
Location
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Computed from 5 filingsPublishes academic books and scholarly works across subjects including history, politics, philosophy, economics, and science. Produces translated classical texts and curated lecture and research…
Serves academics, students, researchers and general readers buying scholarly books and classics across humanities, social sciences, science, business and politics.
Financial Health
StableStable · -70% CAGR over 4y
Location
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Designs and sells tailor‑made long‑haul holidays, including multi‑centre itineraries, escorted tours, safari trips and beach holidays. Provides travel planning through consultants who customise…
Serves B2C holidaymakers, couples and families seeking bespoke long-haul leisure travel, including luxury beach holidays, honeymoons, safaris, escorted tours and multi-centre trips worldwide.
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Provides marketing and advertising services including integrated creative campaigns, public relations, social media and influencer marketing, brand partnerships, experiential activations, performance…
Serves B2B marketing teams at global and multi-market brands, including consumer, technology, restaurant, healthcare and charity organisations seeking integrated agency support.
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Computed from 5 filingsDesigns and produces experiential marketing projects including brand homes, museum and cultural attractions, immersive media installations, stadium tours, and world expo pavilions, providing…
Serves global brands, cultural institutions, museums, sports and entertainment venues, and public-sector expo organisers with audience-facing visitor destinations, flagships, attractions and events.
Financial Health
WeakWeak
Location
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Promotes and develops standards in apprenticeships and technical education through national skills competitions, training programmes, educator resources and international benchmarking. Provides…
Serves young people, apprentices and students pursuing technical education, plus FE educators, careers professionals, training providers, employers and industry partners involved in apprenticeships…
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Operates a science charity that organises public lectures, demonstration shows and events, including the Christmas Lectures. Provides educational workshops, school outreach programmes, and online…
Serves the science-interested public, including adults, children and families, alongside schools, teachers and students aged 7-18 seeking science learning activities, events and educational resources.
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Computed from 5 filingsProvides public relations and communications services, including corporate communications, brand and consumer marketing, creative content development, social and influencer strategy, and issues and…
Serves B2B organisations, from market leaders to challenger brands, across sports and entertainment, food and beverage, healthcare, financial services, logistics and infrastructure, technology, and…
Financial Health
WeakWeak · -4% CAGR over 4y
Location
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Computed from 5 filingsProvides compounding pharmacy services, preparing bespoke medications to prescription for individual patients. Works with doctors to formulate personalised treatments including bioidentical hormones,…
Serves private doctors, prescribers and patients across the UK, including those in hormone health, men’s health, dermatology, pain management, trichology and veterinary treatment areas.
Financial Health
HealthyHealthy · -54% CAGR over 5y
Location
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Computed from 5 filingsProvides consulting, analytics, and technology solutions for pharmaceutical, biotech, and medtech companies. Services include commercial strategy, market research, pricing and market access, launch…
Serves B2B life sciences organizations, including pharma, biotech and MedTech companies, targeting C-suite, brand, marketing, sales, medical affairs, market access, analytics, commercial operations…
Financial Health
StableStable · Hiring · 26% CAGR over 4y
Location
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Computed from 3 filingsProvides structural and facade engineering consultancy for building and infrastructure projects. Services include structural design, facade design and engineering analysis for new builds, renovations…
Serves property developers, architects, public bodies and major corporate or institutional clients commissioning complex commercial, cultural, education and infrastructure projects globally.
Financial Health
StableStable · 3% CAGR over 2y
Location
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Computed from 5 filingsProvides marketing and communications services including brand strategy, advertising, public relations, digital marketing, influencer marketing, corporate communications, crisis management, investor…
Serves B2B and B2C brands, associations and organisations worldwide across consumer, health, technology, financial services, education, energy, manufacturing, travel, tourism, sustainability and…
Financial Health
StableStable · Hiring · 43% CAGR over 4y
Location
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Computed from 4 filingsProvides architecture, interior design, and urban planning services for commercial and institutional projects. Works on airports, offices, data centres, education facilities, residential and…
Serves business, institutional and public-sector clients in aviation and transportation, data centers, education, healthcare, hospitality, retail, mixed-use, multifamily residential and…
Financial Health
StrongStrong · Hiring · 27% CAGR over 5y
Location
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Computed from 5 filingsDevelops therapeutic antibodies using a machine learning‑driven discovery platform integrating automation, synthetic biology and high‑throughput experimentation. Conducts antibody discovery and…
Serves biopharmaceutical companies and development partners in oncology, particularly organisations working on complex or multispecific antibody therapeutics for solid tumours.
Financial Health
HealthyHealthy · Hiring · 13% CAGR over 4y
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Computed from 5 filingsProvides asset management and investment advisory services, managing alternative investment strategies for institutional investors. Operates as an SEC‑registered investment adviser and commodity pool…
Serves institutional investment buyers and investors seeking asset management services, with investor relations aimed at professional clients across multiple financial markets including the US, UK,…
Financial Health
StrongStrong · Hiring · 33% CAGR over 4y
Location
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Computed from 5 filingsRepresents advertisers and brand owners, advocating on advertising policy and industry issues. Provides guidance, training, publications, frameworks and forums for members, and engages with…
Serves B2B brand owners and in-house marketers advertising in the UK, including media, marketing and procurement teams at advertiser organisations, from major consumer brands to other member…
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
Location
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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
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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
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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
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Computed from 5 filingsOperates an online medical clinic providing bioidentical hormone replacement therapy and hormone balancing treatments for men and women. Offers consultations, blood testing, repeat prescriptions, and…
Serves individual patients across the UK, including women with menopause, perimenopause, PCOS or PMDD concerns and men seeking support for andropause or testosterone-related hormone issues.
Financial Health
StableStable · -72% CAGR over 5y
Location
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Computed from 4 filingsProvides an on-demand pay platform that enables employees to access earned wages before scheduled payday. Integrates with payroll, HR and time‑tracking systems and offers tools such as prepaid cards,…
Serves B2B employers of all sizes across healthcare, grocery, retail, call centres, restaurants, manufacturing, travel, hospitality, public sector and franchise sectors, plus HCM, payroll and…
Financial Health
DistressedDistressed · 29% CAGR over 2y
Location
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Computed from 4 filingsProvides a peer‑to‑peer marketing and student recruitment platform for higher education institutions, enabling universities to connect prospective students with current student ambassadors through…
Serves higher education institutions, especially university recruitment, admissions and marketing teams seeking to engage and convert prospective domestic and international students.
Financial Health
DistressedDistressed · -12% CAGR over 3y
Location
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Computed from 5 filingsAlternative asset manager providing credit‑focused investment strategies including private credit, regulatory capital, special opportunities lending, CLOs, and long‑short credit. Manages funds and…
Serves institutional investors—including pensions, foundations, endowments, sovereign wealth funds, insurers and family offices—and provides capital solutions to global banks, asset managers and…
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 3 filingsDevelops experience management and market research software platforms including survey tools, online panel management, voice‑of‑customer and employee feedback systems, qualitative research…
Serves B2B enterprises, market research agencies and insight teams, especially CX, EX, market research and marketing leaders in sectors such as retail, insurance, travel, healthcare and consumer…
Financial Health
HealthyHealthy · 0% CAGR over 2y
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Computed from 5 filingsManages investment strategies focused on UK real estate, including direct property development, land value enhancement and permitted development conversions, alongside indirect strategies investing…
Serves investors and clients seeking UK real estate exposure through direct development, land and conversion opportunities, or indirect real estate-backed public equity strategies.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides domiciliary care services including home care support, live-in care, respite care, dementia care, complex and palliative care. Care assistants help individuals with daily living tasks,…
Serves individuals and families needing care at home, including older people, adults and children with complex or life-limiting conditions, people with dementia, and caregivers seeking respite…
Financial Health
StrongStrong · Growing, Hiring · 29% CAGR over 4y
Location
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Computed from 5 filingsProvides building refurbishment, fit-out and maintenance services for commercial, hospitality, healthcare and public sector properties. Delivers fabric, mechanical and electrical works including…
Serves B2B and public sector clients needing refurbishment, fit-out and maintenance, particularly commercial offices, hospitality operators, healthcare organisations and public bodies, including…
Financial Health
StrongStrong · Hiring · 94% CAGR over 5y
Location
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Provides corporate finance advisory services including mergers and acquisitions, divestitures, private capital raising and strategic advice, and manages growth equity and venture capital funds…
Serves high-growth technology, media and telecom businesses, including companies seeking corporate finance support and fast-growing TMT enterprises suited to growth equity or venture investment.
Financial Health
N/AN/A
Location
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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
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Real estate investment and asset management firm that acquires, finances and manages property assets. Focuses on rental housing, multifamily and single‑family developments, industrial and commercial…
Serves institutional and public-market real estate investors, plus tenants and occupiers across rental housing, student housing, industrial, retail and office properties in the US, UK and Ireland.
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Provides growth capital investment and strategic support to technology and specialist services businesses. Partners with management teams to fund expansion, offering flexible financing, operational…
Serves entrepreneurial management teams and owners of high-growth knowledge economy businesses, especially B2B technology and specialist services firms seeking investment partners.
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Operates a contemporary art gallery presenting exhibitions, performances, film programmes and talks. Provides education activities and archives, publishes and sells exhibition catalogues and…
Serves contemporary art visitors, event attendees, learners, members and supporters, plus collectors buying editions/books and organisations seeking venue hire.
Financial Health
N/AN/A
Location
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Computed from 2 filingsDevelops AI software that creates and manages automated “digital workers” to perform business processes such as compliance, finance operations, supply chain tasks and data workflows, with governance…
Serves enterprise teams in regulated and data-heavy industries, including healthcare and life sciences, retail and CPG, financial services, IT and tech, across compliance, procurement, supply chain,…
Financial Health
DistressedDistressed · -27% CAGR over 1y
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Computed from 5 filingsProvides legal spend management software for in-house legal teams. The platform integrates with law firm billing systems to deliver spend analytics, matter tracking, work‑in‑progress visibility,…
Serves in-house legal teams and legal operations leaders at businesses, including private equity firms, that manage outside counsel relationships and legal spend.
Financial Health
DistressedDistressed · -19% CAGR over 4y
Location
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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
Location
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151 more companies and their verified directors are in the file
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Key facts
About 13% of the trading cohort reports turnover above £5M (11 of 84 firms) — the rest sits below that revenue band.
5% of the cohort was incorporated since 2022 (5 firms), so a sizeable share is in its first few filing cycles.
100.0% of the London cohort also run content-delivery tooling, pointing to hosted delivery rather than self-managed web serving.
73.8% also run tag-management tooling and 34.5% also run web analytics, so measurement infrastructure appears common across public web estates.
70.2% also run an open-source content management system, while 48.8% use search-optimisation plug-ins, indicating that editorial workflows remain central.
SaaS is the largest overlapping sector tag at 17.9%, followed by not-for-profit / charity at 10.7% and asset management, AI & machine learning, and management consulting at 8.3% each.
The cohort has 252 verified directors, which makes research work less dependent on generic web forms.
What else do Pantheon users run?
Share of the 84 Pantheon-running UK companies where each technology was also detected. As of June 2026.
Who runs Pantheon 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
£547.1K
Median UK turnover
13.1%
Above £5M turnover
5
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 196 companies, alongside financials and websites, in one Excel + CSV file.
How Pantheon 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.
Pantheon is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
Pantheon elsewhere
Frequently asked questions
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