B2B Companies Using Marketo in the UK: 101 Active Firms (2026)
B2B companies using marketing automation sell goods or services to other organisations while running enterprise demand-generation workflows in the UK.
Within business-to-business demand generation, this marketing-automation platform usually sits between web forms, CRM processes and sales-development queues. Adoption tends to signal a supplier with a direct sales motion, higher-value contracts and enough marketing-operations capacity to manage segmentation, nurture paths, scoring and campaign attribution rather than ad hoc email sends. The usual adopter is a SaaS, IT services, consulting, cybersecurity or other compliance-aware business selling to named accounts or buying committees. Engagements are therefore less about low-cost newsletter tooling and more about operational control over lead hand-off, consent status and revenue reporting.
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Only 101 active business-to-business companies are running this marketing-automation platform in the UK, and reported headcount associated with these adopters totals 161,719. In the marketing-automation category, it sits ninth, at 1.1% of a 9,511-company comparator set, pointing to a specialist enterprise-automation footprint rather than broad SMB email adoption. Registered-region skew is clear: London accounts for 40.6% of the cohort, followed by the South East at 17.8%, the North West at 10.9%, the East of England at 7.9% and the East Midlands at 5.9%.
Business-to-business marketing in the UK is not licensed as a distinct activity; the rulebook depends on the underlying activity, such as financial services, telecoms, data processing or professional services, and on the channel used. ICO guidance says PECR covers direct marketing by live or automated calls, electronic mail and fax. The PECR electronic-mail rule does not apply to “corporate subscribers”, but senders still need to identify themselves and provide a valid opt-out address. UK GDPR remains relevant where business-contact data identifies a person. Live business-to-business calling also brings CTPS and TPS screening expectations where businesses have objected.
Adoption appears tied to business-to-business suppliers that have outgrown basic campaign sending but are not necessarily building large in-house marketing systems. The platform tends to remain attractive where sales cycles are long, account lists need curation and marketing has to defend its influence on pipeline. Pressure is likely to come from bundled CRM suites, cheaper email automation and governance fatigue around contact data. Switching may remain slow, though, because campaign logic, scoring models and sales hand-off processes are awkward to unwind after they are embedded.
Adoption by company size
Adoption of Marketo 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 Marketo (62 detected). 0.1% of the 31,788 companies with 10–50 employees run Marketo (29 detected). 0.3% of the 3,773 companies with over 50 employees run Marketo (11 detected). That is a 0.2% gap between the over 50 employees and under 10 employees bands.
101
Active firms
2026
1.1%
Of detected Marketing automation share
UK B2B
6
Median headcount
Filed accounts
231
Verified contacts
Across this cohort
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Key facts
About 21% of the trading cohort reports turnover above £5M (22 of 101 firms) — the rest sits below that revenue band.
9% of the cohort was incorporated since 2022 (10 firms), so a sizeable share is in its first few filing cycles.
Among 9,511 B2B companies with a detectable marketing-automation system, this system accounts for 1.1% (101), while the largest detected system accounts for 33.7% (3,209).
Registered-address concentration is London-heavy: London holds 40.6% (41) of the cohort, followed by the South East at 17.8% (18) and the North West at 10.9% (11).
Stack overlap is concentrated in measurement and site infrastructure, with 94.1% (95) also running tag-management software and 84.2% (85) also running CDN or web-security infrastructure.
Software and services are the main sector tags: SaaS appears on 46.5% (47) of the cohort, IT Services & Managed Services on 14.9% (15), and AI & Machine Learning on 12.9% (13).
ICO guidance says PECR covers direct marketing by live or automated calls, electronic mail and fax, while UK GDPR still applies when business-contact personal data is processed.
Marketing automation market share among UK B2B
Share of the 9,511 UK B2B with a detectable system. As of June 2026.
What else do Marketo-running B2B run?
Share of the 101 Marketo-running UK companies where each technology was also detected. As of June 2026.
Where Marketo 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.
6
Median headcount
£1M
Median UK turnover
21.8%
Above £5M turnover
10
Incorporated since 2022
231 verified decision-maker contacts
across these 101 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK B2B using Marketo
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 filingsDevelops and supplies cloud-based business management software, including accounting, ERP, HR and payroll, CRM, recruitment, learning, payments, and industry-specific operational systems. Also…
Sells B2B software to organisations across sectors including charities, construction, education, finance, health and social care, hospitality, legal, local authorities, manufacturing, recruitment,…
Financial Health
StableStable · -11% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides cloud computing, managed hosting, cybersecurity, and digital transformation services. Delivers Azure and AWS managed services, cloud migration, data and AI platforms, Microsoft Dynamics 365…
Serves UK businesses, channel partners and public-sector organisations, including financial services, manufacturing, professional services, ISVs, higher education, defence, government, health and…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Computed from 5 filingsDevelops software platforms for life sciences and regulated manufacturing, including TrackWise quality management systems, manufacturing execution systems, electronic logbooks, and tools supporting…
Serves B2B quality, compliance and manufacturing teams at pharmaceutical, biotechnology, medical device, diagnostics, food and beverage, discrete manufacturing, and consumer products companies.
Financial Health
StableStable · -66% CAGR over 4y
Location
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Develops cybersecurity software for exposure and vulnerability management. Provides tools to identify, assess and prioritise security risks across IT, cloud, identity and OT/IoT environments,…
Serves enterprise and public-sector cybersecurity teams in education, energy, financial services, healthcare, retail, critical infrastructure and government, alongside managed security service…
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Computed from 4 filingsDevelops cloud-based manufacturing execution and quality management software for regulated industries, particularly life sciences. The platform supports document control, change and audit management,…
Serves regulated life sciences manufacturers and quality teams, including pharmaceutical, biologics, blood and tissue organizations, with buyers in manufacturing, quality, regulatory and asset…
Financial Health
HealthyHealthy · Growing · 2% CAGR over 3y
Location
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Computed from 4 filingsProvides IT services and distributes enterprise middleware software developed by its parent group, including API management, managed file transfer, and B2B/EDI integration platforms used to connect…
Serves enterprise and mid-market businesses, especially in banking, healthcare, supply chain, pharma and other data-intensive sectors, targeting IT, integration, security and digital transformation…
Financial Health
WeakWeak · -81% CAGR over 3y
Location
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Computed from 3 filingsProvides consulting and implementation services for digital transformation across marketing, sales, commerce and customer service. Delivers AI strategy, data and analytics, CRM, marketing automation,…
Serves enterprise B2B organisations and leadership teams across financial services, retail and consumer goods, technology and software, creative/media, manufacturing and professional services, with…
Financial Health
StrongStrong · Hiring · 17% CAGR over 2y
Location
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Computed from 4 filingsProvides managed cybersecurity services including security monitoring, threat detection and response, incident response, risk assessment, and security awareness training. Operates a security…
Serves businesses and organisations with internal IT/security teams, including financial services, healthcare, legal, manufacturing, and sports and entertainment sectors, plus firms needing breach…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 63% CAGR over 3y
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Computed from 3 filingsDevelops financial compliance and client lifecycle management software for banks and financial institutions. Provides tools for client onboarding, KYC checks, identity verification, transaction…
Serves financial institutions and regulated firms, including corporate, commercial, retail and private banks, wealth managers, asset managers, asset servicers, fintechs, and energy and commodities…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 15% CAGR over 2y
Location
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Computed from 2 filingsProvides software for third‑party vendor risk management, enabling organisations to onboard and assess suppliers, conduct due diligence, monitor cybersecurity threats and vulnerabilities, manage…
Sells to businesses managing third-party and cybersecurity risk, from SMBs to large global enterprises. Targets procurement, information security, risk and compliance, and third-party risk teams in…
Financial Health
StrongStrong · Hiring · 60% CAGR over 1y
Location
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Computed from 5 filingsDevelops and distributes a low‑code software development platform used to build, deploy and manage enterprise web and mobile applications and AI agents. Also provides consulting, training,…
Targets large enterprises and public-sector organisations, especially IT, development and digital transformation teams in banking, insurance, government, manufacturing, healthcare, energy, utilities,…
Financial Health
StrongStrong · Hiring · 7% CAGR over 4y
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Computed from 5 filingsDevelops finance process automation software for enterprises, including accounts receivable and payable automation, invoice processing and capture, collections and credit management, e‑invoicing,…
Serves B2B enterprise finance organisations, including CFOs and accounts payable, accounts receivable, payments and treasury teams managing global finance operations and B2B payment processes.
Financial Health
StableStable · -65% CAGR over 4y
Location
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Computed from 5 filingsDistributes information technology products and services to resellers and service providers, including hardware, software and cloud solutions. Provides supply chain, logistics, financing, lifecycle…
Sells to businesses in the IT channel, especially technology providers, resellers, managed service providers and vendors seeking distribution, cloud, lifecycle and go-to-market support in global B2B…
Financial Health
StableStable · -73% CAGR over 4y
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Computed from 2 filingsOperates an online platform for hosting and viewing B2B webinars, virtual events, and video content. Provides tools for companies to publish presentations, run live or on‑demand events, and generate…
Serves B2B professionals seeking industry expertise and B2B companies, especially marketing, content and demand generation teams targeting business audiences.
Financial Health
WeakWeak · -1% CAGR over 1y
Location
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Computed from 5 filingsProvides employment screening and background check services for employers, including identity, education and employment verification, criminal record searches, credit and sanctions checks, and…
Serves businesses of all sizes, especially HR teams and regulated employers in legal, financial services, tech/fintech, retail and energy sectors, with UK and international hiring needs.
Financial Health
HealthyHealthy · -59% CAGR over 5y
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Computed from 5 filingsDevelops AI‑driven software for supply chain management, providing platforms for planning, forecasting, order and inventory management, warehouse and transportation operations, workforce management,…
Serves enterprise retailers, manufacturers, distributors, logistics providers, carriers and government/defense organisations, targeting supply chain, commerce, warehouse, transportation and workforce…
Financial Health
StrongStrong · Hiring · 50% CAGR over 4y
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Computed from 4 filingsDevelops digital employee experience and endpoint management software for IT teams. The platform monitors desktops, virtual desktops and applications, and provides user experience analytics, patch…
Sells B2B to IT and digital workplace teams, including VDI/DaaS admins and service desk managers, in organisations managing employee endpoints, virtual desktops, SaaS apps and hybrid workplace…
Financial Health
HealthyHealthy · -62% CAGR over 3y
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Designs and manufactures glass‑reinforced plastic (GRP) composite access products, including manhole covers, trench covers, underground enclosures, and sump systems. Supplies modular and custom…
Serves B2B and public-sector infrastructure operators, contractors and specifiers worldwide, including fuel forecourts, ports and airports, utilities, data centres, rail, roads, defence, healthcare,…
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Computed from 5 filingsProvides cloud-based talent acquisition software used by organisations to manage recruitment processes, including job posting, applicant tracking, candidate screening, interview scheduling, offer…
Serves mid-size and enterprise employers, targeting HR, talent acquisition, hiring, IT and finance teams with corporate, high-volume and professional hiring needs across sectors including healthcare,…
Financial Health
StrongStrong · Hiring · 43% CAGR over 4y
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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
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Computed from 5 filingsProvides information technology consultancy focused on Salesforce platforms, including advisory, system implementation, integration, and managed services. Develops AI, data, commerce, marketing,…
Serves Salesforce customers across enterprise and public sector markets, including automotive, consumer goods, energy, financial services, government, health, telecoms, insurance, manufacturing and…
Financial Health
StrongStrong · Growing, Hiring · 21% CAGR over 5y
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Computed from 5 filingsProvides a B2B social media management and analytics platform. Tools support publishing, social listening, employee advocacy, and performance measurement, with integrations to CRM and marketing…
Serves B2B marketing, sales/revenue and HR teams at data-driven organisations, especially in tech/software, business services, legal services and manufacturing, with a global customer base of B2B…
Financial Health
HealthyHealthy · Hiring · 35% CAGR over 4y
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Computed from 5 filingsProvides cloud-based sales enablement software that helps sales and marketing teams manage content, deliver training and coaching, analyse meeting interactions, and share materials with buyers…
Sells to B2B revenue, sales, marketing and enablement teams at enterprises and mid-market organizations, especially in financial services, manufacturing, technology, healthcare and life sciences.
Financial Health
StrongStrong · Hiring · 16% CAGR over 4y
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Computed from 3 filingsDevelops software for managed service providers and IT departments, including remote monitoring and management (RMM), professional services automation (PSA), remote access, cybersecurity, backup, and…
Targets MSPs and other B2B IT service organisations, including IT departments, managed print providers, VARs and security leaders responsible for service delivery, endpoints, remote support, backup…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 7% CAGR over 2y
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Computed from 3 filingsProvides IT consulting and managed services including cloud and infrastructure management, cybersecurity, and data and AI solutions. Designs and operates hybrid cloud, mainframe, and digital…
Serves large enterprises and public-sector organisations with complex, mission-critical IT environments, including multinational customers across global markets.
Financial Health
StrongStrong · Hiring · 29% CAGR over 2y
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Computed from 3 filingsDevelops software supply chain management tools for DevOps and security teams, including artifact repositories, package curation, vulnerability and code scanning, release distribution, ML model…
Serves DevOps, DevSecOps, MLOps and security teams at software-driven organisations, from small teams to enterprises, including financial services, public sector, technology, healthcare, gaming,…
Financial Health
StrongStrong · Hiring · 37% CAGR over 2y
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Computed from 3 filingsDevelops cloud-based automation software for finance and customer service processes, including accounts payable and receivable, order management, procurement, e‑invoicing, and cash application, using…
Serves B2B finance, procurement and customer service teams, especially Office of the CFO functions managing source-to-pay, order-to-cash, accounts payable, accounts receivable and supplier/customer…
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 2y
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Computed from 4 filingsDevelops insurance technology software for brokers, insurers and MGAs. Provides cloud-based broker management systems, policy administration tools, rating platforms and customer portals that support…
Serves B2B insurance-sector organisations, primarily independent insurance brokers and brokerages, plus insurers, MGAs and insurtechs seeking broker connectivity and digital insurance technology.
Financial Health
StableStable · -8% CAGR over 3y
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Computed from 5 filingsProvides a cloud‑native SaaS platform for data protection and cyber recovery. Offers backup, ransomware recovery, data governance, eDiscovery and compliance tools for enterprise workloads, public…
Serves enterprise IT, security and compliance teams that manage cloud, SaaS, endpoint and hybrid infrastructure, plus managed service providers and channel partners delivering data protection…
Financial Health
StableStable · Hiring · 7% CAGR over 4y
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Computed from 3 filingsProvides cyber insurance and technology errors and omissions insurance for businesses, alongside cybersecurity tools and services including risk assessment platforms, managed detection and response,…
Serves businesses seeking cyber risk cover and security support, insurance brokers growing cyber books, security teams, MSP partners, and technology companies needing E&O or excess cyber capacity.
Financial Health
HealthyHealthy · Hiring · 79% CAGR over 2y
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Computed from 5 filingsDevelops software for banks, merchants and billers to process and manage digital payments. Provides payment orchestration, card issuing and acquiring, real-time and cross-border payments, bill…
Sells to businesses across the payments ecosystem, including banks, payment processors, merchants, billers, PSPs and central infrastructure operators in sectors such as financial services, airlines,…
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HealthyHealthy · Hiring · 4% CAGR over 4y
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Computed from 3 filingsDevelops cybersecurity software for data and identity security. Provides tools for privileged access management, identity governance, data discovery and classification, data loss prevention, and…
Sells to businesses and public sector organisations needing identity, data security and compliance tools, including IT and security teams, MSPs, and smaller organisations with up to 150 employees via…
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StableStable · Hiring · 12% CAGR over 2y
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Computed from 5 filingsDevelops software for strategic portfolio and project management. Provides tools for product portfolio management, digital product delivery, enterprise agile planning, value stream management,…
Serves large organisations and enterprise teams managing project, product, service, and software delivery portfolios, including PMO, product, IT, engineering, and professional services leaders…
Financial Health
WeakWeak · -16% CAGR over 4y
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Computed from 5 filingsDevelops cloud software that automates purchasing and accounts payable processes. The platform extracts invoice and document data, manages approval workflows, and supports collaboration and…
Serves businesses with purchasing and accounts payable teams, targeting finance managers, AP staff and approvers responsible for supplier invoices, purchase orders and internal spend approvals.
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StableStable
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Computed from 3 filingsDevelops conversational and generative AI software for customer service automation. Provides a platform to build and manage AI agents for voice, chat and messaging, with tools for contact centre…
Serves enterprise contact centre and customer experience teams in airlines, automotive, finance, banking, healthcare, insurance, retail, e-commerce, telecoms and utilities.
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HealthyHealthy · 4% CAGR over 2y
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Develops software for managing clinical trials, including electronic clinical outcome assessment (eCOA), eConsent, remote monitoring and decentralized trial tools, using AI agents and cloud platforms…
Sells to pharmaceutical and biopharma companies and CROs that sponsor or manage clinical trials, including mid-to-large pharma, emerging biopharma, and clinical research operations teams.
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N/AN/A
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Computed from 3 filingsProvides managed detection and response cybersecurity services, including 24/7 security monitoring, threat detection, investigation, and incident response. Develops a security operations platform…
Serves B2B security teams and SOC leaders at organizations of any size across industries, including those operating cloud, email, endpoint, identity, network and SaaS environments.
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 2y
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Computed from 5 filingsProvides cloud-based software for supply chain, commerce and finance operations, including warehouse, transport and order management, e‑invoicing, EDI data exchange and inventory management, plus…
Serves B2B organisations with complex supply chain, finance and commerce operations, including retailers, manufacturers, logistics providers and trading networks working with suppliers, customers and…
Financial Health
WeakWeak · -1% CAGR over 4y
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Computed from 2 filingsProvides a secure coding training platform for software developers. Offers interactive coding labs, courses, challenges and assessments covering vulnerabilities and languages, plus tools to measure…
Serves enterprise software development, security and engineering teams, plus C-suite buyers, across financial services, technology, government, automotive, healthcare and retail globally.
Financial Health
StrongStrong · Hiring · 31% CAGR over 1y
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Computed from 5 filingsProvides management and technology consulting services, helping organisations develop strategy, design products and services, implement digital, data and AI capabilities, improve organisational…
Serves senior leaders in large private and public sector organisations across consumer and manufacturing, defence, energy, financial services, government, health, life sciences and transport.
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StrongStrong · Growing · 0% CAGR over 4y
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Computed from 2 filingsDevelops cloud-based video software for hosting webinars, virtual events, video portals and virtual classrooms. Provides video content management, streaming platforms and AI tools for creating,…
Serves enterprises, higher education institutions, media and telecom companies, publishers, and corporate marketing, sales, communications, and learning teams reaching external audiences, employees,…
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HealthyHealthy · Hiring · 21% CAGR over 1y
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Develops cloud-based legal data management and analytics software used for e‑discovery, investigations, legal hold, contract review, and data breach response. Provides AI tools to process, search,…
Sells primarily to B2B and public sector legal teams, including corporations, law firms, federal agencies, state and local agencies, litigators, and academic law and forensics programmes, especially…
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Computed from 5 filingsDevelops and operates an AI-powered sales enablement software platform for go-to-market teams. Provides tools for sales content management, training, coaching, buyer engagement, analytics, and…
Serves B2B enterprise go-to-market teams, including sales enablement, sales, marketing, revenue operations and training roles, across financial services, manufacturing, healthcare, life sciences,…
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HealthyHealthy · -62% CAGR over 4y
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Computed from 3 filingsDevelops and provides cloud-based customer experience and contact centre software, including AI-driven automation, conversational AI, workforce management, analytics, and voice services that help…
Serves large B2B and B2C enterprises with high-volume customer service operations, targeting contact centre, customer experience, operations and IT leaders managing omnichannel interactions and agent…
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HealthyHealthy · -2% CAGR over 2y
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Computed from 3 filingsProvides cloud-based expense management software for businesses, including mobile expense submission, receipt scanning, policy-based approvals, mileage tracking, reimbursement processing, expense…
Serves businesses with employee travel and expense needs, particularly finance teams, CFOs and accounting operations in organisations using ERP, HR and travel platforms such as SAP, Workday, NetSuite…
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HealthyHealthy · 0% CAGR over 2y
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Computed from 4 filingsDevelops a cloud-based integration platform that connects applications, data sources, and APIs. Provides tools for data integration, ETL/ELT, API management, and workflow automation, with pre-built…
Sells to enterprise IT, data and business teams across manufacturing, retail, financial services and higher education, plus ISVs, MSPs and OEM/embedded providers.
Financial Health
HealthyHealthy · Hiring · 39% CAGR over 3y
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Computed from 3 filingsProvides a digital intelligence platform that collects and analyses data on mobile apps, web usage and digital advertising. Offers tools and datasets on app downloads, user engagement, audience…
Serves B2B growth, marketing, product, user acquisition and corporate development teams at digital brands, app publishers, game studios, ad tech firms, CPG, travel and social media companies, plus…
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HealthyHealthy · -1% CAGR over 2y
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Computed from 3 filingsDevelops blockchain infrastructure and software for financial institutions, including the Canton Network. Provides tools to tokenize assets, issue digital securities, and support clearing,…
Serves regulated financial institutions and capital markets participants, including banks, custodians, market infrastructure providers, asset managers and crypto finance firms seeking institutional…
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StrongStrong · Growing, Hiring · 18% CAGR over 2y
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Computed from 5 filingsDevelops cloud-based software for print infrastructure management and document workflow automation. Provides serverless print management, output management, document capture, and integrations with…
Serves IT teams and system administrators at organisations with distributed print environments, including enterprises using ERP/EHR, identity providers and third-party storage integrations.
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StrongStrong · Hiring · 21% CAGR over 5y
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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.
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HealthyHealthy · Hiring · 6% CAGR over 4y
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Unlock all 101 leads
Showing 50 of 101 — +51 more with verified decision-maker contacts, live data, and CRM sync.
How Marketo 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.
Marketo is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
UK B2B by Marketing automation
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Frequently asked questions
How many UK B2B companies use Marketo?
What share of UK B2B companies run Marketo?
How is Marketo usage detected?
What size B2B companies use Marketo in the UK?
What do Marketo-running B2B companies also run?
Can I get contact details for these companies?
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