B2B Companies Using Pantheon in the UK: 154 Active Firms (2026)
B2B companies running managed website infrastructure sell products or services to other organisations across the UK.
Managed website infrastructure usually sits between marketing operations, web engineering and revenue teams, rather than being owned by central IT alone. In a business-to-business setting, it is used to keep content-heavy sites, campaign pages and lead-capture journeys under release control while agencies, developers and in-house editors work on the same estate. Adoption tends to signal recurring platform budget, a named web owner, and enough inbound demand for uptime, analytics and form handling to matter commercially. The buyer is often a mid-market supplier, professional-services group or public-sector contractor with a direct-channel sales motion.
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UK adoption is a small slice of the wider managed-infrastructure market: 154 companies running this managed website platform are actively trading in the UK, with total reported headcount of 3,005. Within PaaS use in the business-to-business category, the stack ranks sixth at 1.9% of a base of 8,254. Registered-region skew points to London at 35.7%, the South East at 18.8%, the North West at 11.7%, the East Midlands at 5.8% and the South West at 5.2%.
Business-to-business activity has no single UK licensing perimeter; the relevant rules follow the underlying service, such as financial services, telecoms, data processing or professional services. For companies running managed site infrastructure, the nearer day-to-day controls are usually marketing and privacy obligations. The ICO treats PECR as covering direct marketing by live calls, automated calls, electronic mail and fax. Corporate email and text outreach does not normally need PECR consent, but senders must identify themselves and offer a valid opt-out. UK GDPR still applies where business-contact personal data is processed, and live calling requires screening against CTPS and TPS plus respect for objections.
Adoption appears likely to remain concentrated among organisations with content estates that need governance, agency collaboration and dependable release processes. Smaller suppliers may favour bundled website, analytics and commerce tools if internal web capacity is thin or procurement pressure tilts toward fewer contracts. The platform should retain appeal where marketing teams need developer-controlled publishing without moving every site decision into a central engineering queue. Over time, privacy-led measurement, cookie controls and security reviews are likely to make stack choices more visible to finance, legal and sales operations teams, not just web managers.
Adoption by company size
Adoption of Pantheon rises with company size across the trading UK B2B companies in this cohort. 0.1% of the 76,784 companies with under 10 employees run Pantheon (101 detected). 0.1% of the 31,788 companies with 10–50 employees run Pantheon (41 detected). 0.3% of the 3,773 companies with over 50 employees run Pantheon (13 detected). That is a 0.2% gap between the over 50 employees and under 10 employees bands.
154
Active firms
2026
1.9%
Of detected PaaS share
UK B2B
5
Median headcount
Filed accounts
398
Verified contacts
Across this cohort
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Key facts
About 16% of the trading cohort reports turnover above £5M (25 of 154 firms) — the rest sits below that revenue band.
8% of the cohort was incorporated since 2022 (13 firms), so a sizeable share is in its first few filing cycles.
The profiled PaaS has a 1.9% (154) detected share among 8,254 B2B firms with a detectable PaaS, where the two largest detected systems account for 45.7% (3,769) and 16.4% (1,356).
London accounts for 35.7% (55) of B2B firms running the profiled platform, followed by the South East at 18.8% (29) and the North West at 11.7% (18).
All firms in the cohort also show a detected edge-delivery layer at 100.0% (154), while 67.5% (104) also show an open-source content management system and 66.2% (102) a tag-management layer.
Sector tags overlap, but SaaS accounts for 20.8% (32) of the cohort, with AI & Machine Learning and Advanced Manufacturing each at 11.0% (17).
ICO guidance says PECR covers live calls, automated calls, electronic mail and fax; UK GDPR still applies where personal data is processed, including business-contact data.
Hosting & PaaS market share among UK B2B
Share of the 8,254 UK B2B with a detectable system. As of June 2026.
What else do Pantheon-running B2B run?
Share of the 154 Pantheon-running UK companies where each technology was also detected. As of June 2026.
Where Pantheon B2B are, and how healthy they look
By region
By registered-office region; companies without a regional match count toward Rest of UK.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
5
Median headcount
£568.4K
Median UK turnover
16.2%
Above £5M turnover
13
Incorporated since 2022
398 verified decision-maker contacts
across these 154 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK B2B using Pantheon
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 a crowdsourced cybersecurity platform that connects organisations with security researchers to identify software and infrastructure vulnerabilities. Offers bug bounty programmes, penetration…
Serves security buyers and teams at enterprises and public-sector organisations, especially in financial services, healthcare, retail, automotive, technology and security companies.
Financial Health
StrongStrong · Hiring · 39% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides online contractor and supplier information management platforms, including ISNetworld, used by hiring companies to collect and review health, safety, sustainability, insurance, training and…
Serves enterprise hiring clients managing contractor and supplier risk, plus contractors and suppliers seeking qualification with those clients, across sectors with HSE, sustainability, insurance,…
Financial Health
StrongStrong · Hiring · 6% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsProvides recruitment software that distributes job adverts to thousands of job boards, social media channels and search engines, and offers tools for candidate sourcing, résumé database search,…
Sells to B2B recruitment teams, including direct employers, in-house talent acquisition teams, and agency recruiters seeking to advertise roles, manage applicants, and optimise job board spend.
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 5y
Location
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Financial sub-scores
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
Location
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Computed from 4 filingsDevelops and provides software for security information and event management (SIEM), log collection and analysis, and API security. Offers open-source and enterprise platforms that centralise log…
Serves B2B security and IT operations teams, including SOC analysts and leaders, at organisations needing SIEM, log management, API security, and flexible cloud or on-prem deployment.
Financial Health
StrongStrong · Hiring · 13% CAGR over 3y
Location
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Financial sub-scores
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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Computed from 5 filingsProvides IT consulting, integration and managed services focused on cloud computing, cybersecurity, networking and collaboration platforms. Designs, implements and supports digital infrastructure, AI…
Serves businesses and public sector organisations of all sizes, including healthcare, financial services, retail, manufacturing, media, gaming, legal, energy, utilities and federal customers.
Financial Health
HealthyHealthy · Hiring · 26% CAGR over 4y
Location
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Computed from 5 filingsProvides data migration, cloud modernisation and analytics services focused on Google Cloud, including AI/ML solutions, managed cloud services, security and compliance, and customer engagement…
Serves large enterprises and public sector organisations, including Fortune 100 customers, across healthcare and life sciences, retail and CPG, manufacturing, financial services and insurance, and…
Financial Health
StrongStrong
Location
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Computed from 3 filingsDevelops and supplies engineering simulation and 3D design software used to model and test products and systems. Provides multiphysics analysis tools covering fluids, structures, electronics and…
Serves engineering and product development teams in aerospace, automotive, defence, energy, healthcare, high tech, industrial equipment and space, plus students, educators and researchers.
Financial Health
StableStable · -89% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides supply chain management software and services that help manufacturers collect supplier data, manage product compliance, track materials and sourcing, and report on ESG, trade, and regulatory…
Serves B2B complex manufacturers, including medical device, industrial equipment, aerospace and defense, electronics, and automotive companies with supply chain compliance, ESG, and trade compliance…
Financial Health
HealthyHealthy · -74% CAGR over 3y
Location
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Computed from 5 filingsDevelops automated software testing and quality assurance tools covering the software development lifecycle, including static code analysis, unit testing, API and UI test automation, service…
Sells to software development and QA teams in regulated embedded and enterprise organisations, including automotive, aviation, medical devices, defense, rail, finance, healthcare, public sector,…
Financial Health
StrongStrong · Hiring · 8% CAGR over 5y
Location
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Computed from 4 filingsProvides managed network and IT infrastructure services including network design, deployment and monitoring, SD‑WAN and connectivity solutions, cybersecurity operations, cloud migration, field…
Serves large businesses and public-sector organisations with distributed IT estates, including retail, fast food, gas and convenience, grocery, pharmacy, banking, healthcare, manufacturing, defence…
Financial Health
StableStable · -13% CAGR over 3y
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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Provides digital marketing and technology services including paid media advertising, SEO, email and SMS marketing, eCommerce development, content management, data analytics, and integration of…
Serves commercial enterprises and public service organizations, including omnichannel retailers, manufacturers, financial services firms, healthcare providers, higher education institutions and…
Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 4 filingsProvides fintech payment platforms enabling businesses to issue payouts to staff, suppliers and customers, manage expenses and allocate funds. Offers API‑integrated payment processing, billing flows,…
Serves B2B clients needing corporate payouts, expense or mobility payment capabilities, including merchants, employers, reseller platforms, auction houses, pawnbrokers, travel and construction firms,…
Financial Health
StableStable · -17% CAGR over 3y
Location
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Computed from 5 filingsProvides digital marketing and media services including paid media management, search engine optimisation, local search and listings management, creative production, web development, analytics, and…
Serves marketing teams at enterprise and multi-location brands, especially organisations that manage customer engagement across many sites and need coordinated national-to-local campaigns.
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 4y
Location
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Computed from 5 filingsDevelops cloud-based software for law firms, including CRM, matter and case management, and client engagement tools built on Microsoft 365. Provides implementation and support services to help legal…
Targets large law firms, including internal marketing, business development, lawyer and legal operations teams, with buyers responsible for client engagement and matter management systems.
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 4y
Location
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Computed from 5 filingsProvides Drupal website services including development, support and maintenance, managed hosting, AI integration, performance optimisation and cybersecurity. Builds and enhances Drupal sites,…
Serves organisations that run Drupal websites, including charities/non-profits, NHS and public-sector bodies, event/media businesses and commercial firms.
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 4y
Location
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Computed from 2 filingsDevelops IT service management (ITSM) and IT asset management (ITAM) software integrated with Microsoft Dynamics 365 and the Microsoft Power Platform. Provides ServiceTeam applications and…
Serves IT departments and service providers in commercial, government and education organisations, including managed service providers and Microsoft partners, with customers ranging from local…
Financial Health
StrongStrong · Hiring · 100% CAGR over 1y
Location
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Computed from 3 filingsProvides a cybersecurity platform that connects organisations with a global community of security researchers to identify vulnerabilities. Offers bug bounty programmes, vulnerability disclosure…
Serves security and engineering teams at enterprises and public sector organisations, including financial services, healthcare, retail/e-commerce, automotive, crypto/blockchain, hospitality, US…
Financial Health
StrongStrong · Hiring · 26% CAGR over 2y
Location
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Computed from 5 filingsProvides cloud-based supply chain network software for retail businesses, including electronic data interchange (EDI), order management, product data synchronisation, analytics, supplier onboarding,…
Serves B2B retail supply chain organisations, including retailers, grocery businesses, distributors, brands, manufacturers, e-commerce marketplaces, 3PLs and suppliers needing trading partner…
Financial Health
StrongStrong · Growing, Hiring · 22% CAGR over 4y
Location
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Computed from 5 filingsProvides online payment processing and fintech infrastructure for businesses, including card acquiring, hosted checkout, payment links, POS payments, global payouts, card issuing, and multi‑currency…
Serves businesses in eCommerce, marketplaces, iGaming and online gaming, online trading, creator economy, online travel, influencer marketing and B2B payments, as well as developers and payment…
Financial Health
StableStable · -21% CAGR over 4y
Location
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Computed from 3 filingsProvides a software-as-a-service platform for retailers to manage dropshipping and curated marketplace operations. Software connects retailers with suppliers, synchronises inventory, manages product…
Serves B2B retailers and ecommerce organisations, particularly supply chain, category, dropship and online trading teams managing large product ranges and supplier networks.
Financial Health
StrongStrong · Hiring · 33% CAGR over 2y
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 3 filingsProvides a cloud-based WebOps platform for developing, hosting, and managing websites built with WordPress, Drupal, and Next.js. Offers managed hosting, deployment workflows, performance monitoring,…
Serves enterprises, educational institutions, government bodies, nonprofits, media, technology and consumer brand organizations, targeting developers, marketers and IT leaders managing WordPress,…
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 2y
Location
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Computed from 5 filingsDevelops and supplies hardware security modules (HSMs), encryption and key management software, and payment security systems. Provides solutions for data protection, secure payment processing, public…
Sells to large enterprises, banks, payment processors, telecom operators and government or public-safety agencies, including regulated industries and critical infrastructure organisations with…
Financial Health
StableStable · -57% CAGR over 5y
Location
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Manufactures and supplies equipment, components and digital systems for rail, transit and industrial transport sectors, including locomotive and freight car braking systems, electric motors, control…
Serves freight rail operators, public transit authorities and operators, mining companies, industrial manufacturers, marine operators and power generation customers globally.
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Computed from 5 filingsDevelops business intelligence and data analytics software that connects to databases, enables users to create interactive data visualisations and dashboards, and share insights through cloud or…
Serves B2B and public-sector organisations, including financial services, healthcare, retail, media and manufacturing, targeting business leaders, data and IT teams, analysts, developers, and…
Financial Health
WeakWeak · -73% CAGR over 4y
Location
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Computed from 5 filingsDevelops and provides cloud-based law firm management software. Platform includes matter management, document automation, client portals, CRM, workflow automation, time tracking, billing, accounting,…
Sells to midsize law firms and legal practices, including managing partners, practice managers, firm administrators, IT managers, accounting managers and lawyers across mixed and specialist practice…
Financial Health
StableStable · -62% CAGR over 4y
Location
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Computed from 5 filingsSupplies electronic design automation (EDA) software for PCB and circuit design, including Cadence OrCAD, Allegro and PSpice tools. Provides software licensing, technical support, training courses,…
Sells to B2B electronics companies, from small startups to large enterprises, needing PCB, ECAD and RF design software, training and support. Serves engineering and R&D teams designing electronic…
Financial Health
HealthyHealthy · Growing, Hiring · 5% CAGR over 4y
Location
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Computed from 5 filingsProvides corporate travel management services including business trip booking, travel policy management, meetings and events coordination, consulting, and reporting tools through a digital platform…
Serves B2B customers, especially enterprise travel, procurement and finance teams managing corporate travel programmes, meetings and events across multiple countries.
Financial Health
StrongStrong · Growing, Hiring · 37% CAGR over 4y
Location
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Computed from 4 filingsProvides management consulting focused on commercial growth strategy, advising companies on pricing, product strategy, marketing, sales, and business models, and offering software and analytics tools…
Serves senior business leaders and commercial teams at companies across consumer, financial services, healthcare and life sciences, industrials, and technology/media/telecom sectors, plus private…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 10% CAGR over 3y
Location
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Computed from 5 filingsProvides digital transformation consultancy for government and public sector organisations, including strategy, service design, software engineering, cloud architecture, automation and AI…
Serves public sector organisations and government decision-makers, particularly teams in border security, national security and wider government departments or statutory bodies responsible for…
Financial Health
HealthyHealthy · Hiring · 20% CAGR over 4y
Location
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Computed from 5 filingsProvides specialist recruitment services for Microsoft Dynamics 365, ERP, CRM and finance professionals. Connects organisations with contract and permanent candidates across technologies such as…
Serves organisations needing Dynamics 365, ERP, CRM and finance talent, particularly in financial services, manufacturing, healthcare and retail, alongside candidates and contractors in Microsoft,…
Financial Health
StrongStrong · Hiring · 8% CAGR over 4y
Location
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Computed from 5 filingsProvides sales and marketing support for a group developing enterprise DevOps software. Activities promote tools for version control, test data management, application testing, infrastructure…
Sells to enterprise software development and DevOps teams building mission-critical applications, including organisations in financial services, software and IT, media, gaming, semiconductor,…
Financial Health
StrongStrong · Hiring · 9% CAGR over 4y
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 5 filingsProvides cybersecurity consulting and research services including security assessments, penetration testing, red and purple team exercises, secure development lifecycle support, AI/ML security…
Serves businesses from Fortune 500s to small and mid-sized companies, especially security and technology leaders in critical infrastructure, energy, financial services, healthcare, manufacturing,…
Financial Health
StrongStrong · Hiring · 24% CAGR over 4y
Location
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Computed from 4 filingsProvides sales and marketing services for an enterprise data security and privacy platform that discovers, classifies, and manages sensitive data across cloud, on‑premise, and AI environments,…
Sells to large enterprises and Fortune 500 organisations, targeting security, privacy, compliance, data governance and AI governance teams managing complex cloud, SaaS, on-prem and AI data…
Financial Health
StrongStrong · Growing, Hiring · 28% CAGR over 3y
Location
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Computed from 3 filingsProvides digital marketing and web services including SEO, pay‑per‑click search advertising, social and display campaign management, marketing strategy, website design and development, conversion…
Serves businesses and founders needing digital growth support, including organisations with websites, ecommerce or lead-generation needs, new ventures, and companies seeking external marketing,…
Financial Health
HealthyHealthy · -18% CAGR over 2y
Location
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Computed from 5 filingsProvides engineering and scientific consulting services, including structural design, façade engineering, acoustics, protective design, sustainability and forensic investigations for buildings,…
Serves commercial developers, architects, contractors, insurers and public-sector bodies across sectors including defence, aviation, energy, healthcare, education, transport infrastructure, sports…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 4y
Location
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Computed from 5 filingsOrganises conferences, meetups and online content for software engineering leaders, including talks, panel discussions, reports and newsletters focused on engineering management, team leadership,…
Serves software engineering leaders and technology executives, including engineering managers, Staff+ engineers and CTOs, plus sponsors and advertisers seeking to reach this audience.
Financial Health
StrongStrong · Growing, Hiring · 15% CAGR over 5y
Location
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Computed from 5 filingsDevelops and supplies software for trade finance operations used by banks and corporate clients. Products include the BankTrade back‑office platform and Peachtree system for managing trade finance…
Sells to B2B customers in trade finance, primarily banks and their corporate banking clients managing trade finance portfolios, with emphasis on global institutions and local markets.
Financial Health
HealthyHealthy · -4% CAGR over 4y
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Computed from 3 filingsDesigns and manufactures hygienic positive displacement pumps and flow control equipment, including air‑operated double diaphragm pumps, drum pumps, valves, strainers, sight glasses and bubble traps…
Serves B2B production and processing operations in food and beverage, dairy, bakery, meat and poultry, beauty and personal care, pharmaceutical/biological, industrial and transportation sectors.
Financial Health
StableStable · Hiring · 47% CAGR over 2y
Location
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Computed from 2 filingsProvides IT consulting and managed services including IT strategy, infrastructure solutions and support. Advises organisations on data strategy, cloud and platform migration, data governance,…
Serves businesses and organisations of varying sizes, especially IT and data teams adopting cloud platforms, BI tools, analytics infrastructure and AI-enabled data stacks.
Financial Health
StableStable · -10% CAGR over 1y
Location
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Computed from 5 filingsProvides executive search and leadership consulting services, recruiting senior executives and board members for organisations. Advises on leadership development, organisational effectiveness, team…
Serves businesses, nonprofits and investors needing senior leadership talent, including boards and C-suites across financial services, healthcare, consumer, industrial, technology, private equity and…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 4y
Location
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Provides specialist debt collection and deceased account management services for creditors. Engages with consumers and estates to resolve outstanding balances, verify circumstances, and manage…
Serves large UK creditors and public sector bodies, including banking, finance, home shopping, utilities, telecoms, debt purchase, local government and central government organisations.
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Computed from 5 filingsDevelops and provides cloud-based recruiting software for employers, including applicant tracking systems, candidate sourcing and engagement tools, career site management, text recruiting, onboarding…
Serves enterprise employers and HR teams, including CHROs, talent acquisition, HR operations and IT leaders, across sectors such as retail, healthcare, manufacturing, finance and hospitality.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides digital performance marketing services including paid media management, SEO and local search optimisation, reputation and listings management, creative production, web development, and…
Serves enterprise and multi-location B2C brands needing localised customer acquisition across markets, including marketing leaders managing digital, search, media and location presence at scale.
Financial Health
WeakWeak
Location
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Provides engineering services for industrial and automotive manufacturing facilities, including automation systems, mechanical and electrical installation, process pipework, facilities engineering,…
Serves B2B industrial clients across the UK and Ireland, including food and beverage, automotive, petrochemical, bioscience, aerospace and defence, and manufacturing organisations with engineering…
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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. B2B companies are identified using Firmbase's semantic classification of company activity, built from filings, websites and registered SIC codes rather than SIC codes alone. The detected counts and share figures on this page are computed within that sector cohort, so "share" always means share of B2B companies with a detectable system — not of all UK companies.
Freshness
Websites are re-crawled on a rolling basis and the underlying company data is refreshed from Companies House continuously; filings appear within days of submission. The list and its statistics are regenerated when the detected cohort moves meaningfully. You can see the last-updated timestamp near the top of the page.
Pantheon is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
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Frequently asked questions
How many UK B2B companies use Pantheon?
What share of UK B2B companies run Pantheon?
How is Pantheon usage detected?
What size B2B companies use Pantheon in the UK?
What do Pantheon-running B2B companies also run?
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