Data Analytics Companies Using Google Tag Manager in the UK: 1,377 Active Firms (2026)
Data analytics firms using website tag management turn digital activity into measurement, reporting and insight for UK clients under GDPR.
For data analytics providers, a tag-management layer sits between marketing operations, client reporting and data engineering. It lets teams control measurement tags, event definitions and campaign-attribution logic without handing every change to developers. Adoption signals a business with enough direct-channel activity to need governed tracking, but still reliant on lean operating teams. In this sector, the buyers are usually commercial or public-sector clients commissioning analytics consultancy, measurement infrastructure or reporting software, so the stack tends to support project-led sales and retained service work rather than low-touch consumer acquisition.
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The UK adoption picture covers 1,377 actively trading data analytics firms running this tag-management system. It sits first in detected tag-manager use within the sector, at 99.6%, while another tag-management stack appears at 1.2%. Registered-address concentration is London-heavy: London accounts for 46.5% of the cohort, followed by the South East at 14.3%, the North West at 7.1%, the South West at 6.1% and the East of England at 4.9%. Reported employment totals 4,197 people, giving the cohort an observable employer footprint beyond owner-managed consultancies.
Data analytics providers using web tags are not usually licensed as a sector, but personal-data activity is governed by UK GDPR and the Data Protection Act 2018. The ICO is the relevant UK data-protection regulator. For companies running this stack, the practical questions tend to sit around fairness, purpose limitation, data minimisation, accuracy, retention and security. Work involving special-category data, profiling or automated decision-making brings additional safeguards into view. Cross-border personal-data transfers also need appropriate mechanisms, including International Data Transfer Agreements, Standard Contractual Clauses, Binding Corporate Rules or adequacy regulations.
Adoption appears mature rather than experimental: tag management is embedded in the operating model of analytics consultancies that sell measurement, infrastructure and reporting work. Further change is likely to come from governance rather than novelty, as clients ask for cleaner consent records, shorter retention paths and clearer separation between marketing activation and service analytics. Mid-market providers tend to keep lean corporate shells, so automation and packaged configuration will matter. Vendor choice may consolidate around broad marketing stacks, but specialist implementations should persist where public-sector clients, regulated buyers or cross-border transfers need tighter assurance.
Adoption by company size
Adoption of Google Tag Manager rises with company size across the trading UK data analytics companies in this cohort. 42.6% of the 1,948 companies with under 10 employees run Google Tag Manager (830 detected). 48.4% of the 942 companies with 10–50 employees run Google Tag Manager (456 detected). 69.2% of the 78 companies with over 50 employees run Google Tag Manager (54 detected). That is a 26.6% gap between the over 50 employees and under 10 employees bands.
1,377
Active firms
2026
99.6%
Of detected Tag managers share
UK data analytics
7
Median headcount
Filed accounts
3,406
Verified contacts
Across this cohort
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Key facts
About 8% of the trading cohort reports turnover above £5M (114 of 1,377 firms) — the rest sits below that revenue band.
10% of the cohort was incorporated since 2022 (146 firms), so a sizeable share is in its first few filing cycles.
Tag-manager use among data analytics firms is highly concentrated: 99.6% (1,377) of 1,382 detectable installs sit on the same system, while the next listed system accounts for 1.2% (16).
The website stack is usually not tag management alone: 64.5% (888) also run a web-security and performance layer, 51.7% (712) run an open-source CMS, and 48.1% (662) run web analytics tags.
Registered offices skew towards London, with 46.5% (640) of the cohort, followed by the South East at 14.3% (197) and the North West at 7.1% (98).
Adjacent classifications show how measurement work overlaps with software: 85.6% (1,179) are also classed as SaaS and 49.3% (679) as AI & Machine Learning.
Personal-data projects sit under UK GDPR and the Data Protection Act 2018, with the ICO overseeing principles on fairness, purpose limitation, minimisation, retention and security.
Tag manager market share among UK Data Analytics
Share of the 1,382 UK Data Analytics with a detectable system. As of June 2026.
What else do Google Tag Manager-running Data Analytics run?
Share of the 1,377 Google Tag Manager-running UK companies where each technology was also detected. As of June 2026.
Where Google Tag Manager Data Analytics 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.
7
Median headcount
£682.7K
Median UK turnover
8.3%
Above £5M turnover
146
Incorporated since 2022
3,406 verified decision-maker contacts
across these 1,377 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK Data Analytics using Google Tag Manager
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 a digital analytics platform that collects and analyzes user behaviour data from websites and apps, providing product analytics, session replay, heatmaps, A/B testing, and experimentation…
Serves product, data, engineering, marketing and executive teams at startups and enterprises, including financial services, B2B, media, healthcare and ecommerce organisations.
Financial Health
StrongStrong · Hiring · 32% CAGR over 2y
Location
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Computed from 5 filingsProvides data management consultancy services including data quality and governance, cloud data platform design, data engineering and integration, analytics and visualisation, and data science and AI…
Serves public sector bodies and private organisations in defence, emergency services, finance, government, healthcare, utilities and energy, especially teams handling sensitive or complex data.
Financial Health
HealthyHealthy · Hiring · 20% CAGR over 4y
Location
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Computed from 5 filingsDevelops artificial intelligence software platforms for digital marketing and customer engagement. Products include advertising optimisation, personalised messaging, chatbots, and data analytics…
Serves B2B marketing and growth teams at enterprises and digital businesses in e-commerce, retail, finance and insurance, gaming, and automotive sectors.
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
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Computed from 4 filingsProvides a customer data platform that collects, unifies and processes customer data from multiple digital sources, enabling businesses to build customer profiles, analyse behaviour, and activate…
Serves B2C multi-channel consumer brands, including ecommerce, media, fintech and subscription businesses, targeting marketing, product, CRM and data teams managing large-scale customer engagement.
Financial Health
StrongStrong · Hiring · 41% CAGR over 3y
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Computed from 5 filingsProvides data analytics and business intelligence software and services, including data integration, governance and data warehouse modernisation, and AI-driven analytics. Offers Qlik-based tools,…
Serves B2B organisations and public sector bodies, targeting data, analytics and technology leaders in financial services, healthcare, insurance, legal, manufacturing and retail.
Financial Health
StrongStrong · Hiring · 18% CAGR over 5y
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Computed from 4 filingsProvides datasets, APIs and analytics on companies, professionals, technologies and skills. Aggregates global profile and firmographic data to support sales targeting, marketing intelligence,…
Serves B2B sales and marketing, HR/workforce, product development, data and analytics teams at organisations using professional, company, skills and intent data.
Financial Health
StableStable · -3% CAGR over 3y
Location
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Computed from 5 filingsProvides data consulting and technology services including business intelligence, data engineering, analytics, and AI and machine learning solutions. Develops data warehouses and cloud data…
Serves B2B organisations seeking data, BI and AI support, including recruitment platforms, suppliers, travel companies and product-led businesses, with stakeholders in sales, marketing, operations,…
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 4y
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Computed from 3 filingsProvides data analytics, AI, and research services for enterprises and financial institutions, including market intelligence, customer analytics, pricing analysis, risk and model management,…
Serves enterprise clients, especially financial services firms such as investment banks, asset managers, private equity and credit lenders, plus corporate commercial, supply chain, R&D, pricing, risk…
Financial Health
HealthyHealthy · Profitable · -6% CAGR over 2y
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Computed from 5 filingsProvides product analytics software that collects and analyses user interaction data from mobile and web applications, offering dashboards, funnels and cohort analysis tools to measure engagement,…
Serves B2B product, growth, marketing and data teams at companies running mobile, web and digital products, especially teams focused on user acquisition, engagement, retention and customer experience.
Financial Health
HealthyHealthy · -5% CAGR over 5y
Location
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Computed from 3 filingsDevelops behavioural biometrics and analytics software used by banks and financial institutions to detect fraud and financial crime in digital channels, including account takeover, mule accounts,…
Sells to banks and financial institutions, targeting fraud management, anti-money laundering, risk, compliance, and digital banking teams responsible for preventing online fraud and financial crime.
Financial Health
StrongStrong · Hiring · 221% CAGR over 2y
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Computed from 5 filingsDevelops and provides a decision intelligence and business analytics software platform that enables data preparation, modelling, visualization, dashboards, and AI‑driven analysis, with integrations…
Sells to mid-market and enterprise organisations, targeting data teams, business users, executives and operations teams that need governed analytics across cloud, SAP and data warehouse environments.
Financial Health
StrongStrong · Hiring · 36% CAGR over 4y
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Computed from 5 filingsProvides enterprise software and consulting services focused on data, AI, and digital transformation. Develops and implements data platforms, analytics, automation, chatbots, and cloud solutions,…
Serves enterprise technology, operations and digital transformation teams, including organisations in oil and gas, energy, manufacturing, consumer goods, renewable energy, healthcare and the public…
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
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Computed from 4 filingsProvides market research data collection services, including survey programming, sampling and access to global respondent audiences, data processing, and analysis. Combines a proprietary platform…
Sells to B2B market research teams and insight professionals needing survey data collection, including agencies, consultancies, and in-house research functions at larger organisations seeking global…
Financial Health
StrongStrong · Growing, Hiring · 59% CAGR over 3y
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Computed from 5 filingsProvides AI‑enabled market research and polling services. Offers a platform and research team for survey data collection, qualitative interviews, audience profiling, product and policy research, and…
Serves insights and research teams at corporates, consumer brands, communications and ad agencies, hedge funds, non-profits, advocacy groups, and government or political organisations seeking…
Financial Health
StrongStrong · Growing, Hiring · 30% CAGR over 4y
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Computed from 5 filingsProvides data strategy and analytics consulting services. Designs and implements data and AI solutions, data infrastructure, and operating models to help organisations use data for decision‑making,…
Serves B2B organisations and private equity-backed companies in healthcare, retail/e-commerce, travel and hospitality, financial services and B2B services, engaging leaders responsible for data, AI,…
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 4y
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Computed from 5 filingsProvides data and AI consulting services including data strategy, governance, platform engineering, analytics and custom AI solutions. Helps organisations design data architectures, manage data…
Serves organisations of all sizes, from SMEs to large enterprises, with emphasis on water utilities, rail and transport, media, telecoms, and higher education teams seeking data and AI support.
Financial Health
StrongStrong · Growing, Hiring · 31% CAGR over 4y
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Computed from 5 filingsDevelops digital experience software for marketing and product teams, including content management, A/B testing, personalization, experimentation analytics, and ecommerce tools. Platform uses AI to…
Sells to B2B marketing, digital experience, ecommerce and product teams, including marketers, developers, engineers and digital leaders seeking platforms to manage and optimise customer-facing…
Financial Health
StableStable · Hiring · 38% CAGR over 6y
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Computed from 3 filingsDevelops and provides an online marketing analytics and management platform offering tools for SEO, keyword research, backlink analysis, competitor traffic analysis, site audits, content…
Serves B2B marketing teams, SEO, PPC, content and social media specialists, digital agencies, enterprise brands and local businesses managing online visibility and digital marketing channels.
Financial Health
StrongStrong
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Computed from 5 filingsDevelops data analytics and software tools for public sector and social organisations, including benefits calculators, income tracking, and safeguarding data platforms. Also provides social policy…
Serves local authorities, housing providers, utilities, financial services firms, charities and public-sector policymakers, plus individuals seeking benefits support, focused on people facing…
Financial Health
StrongStrong · Growing, Hiring · 17% CAGR over 4y
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Computed from 5 filingsProvides a demand-side platform for B2B digital advertising. Uses intent data, IP targeting, and account-based marketing to deliver programmatic display ads to specific companies and decision‑makers…
Serves B2B marketing and sales teams seeking to target business accounts, plus B2B and media agencies. Industry focus includes technology, software, manufacturing, automotive, healthcare, logistics…
Financial Health
StrongStrong
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Computed from 5 filingsDevelops a data intelligence platform that provides data cataloguing, metadata management, governance, lineage tracking, and data quality tools. Software enables organisations to discover, document,…
Serves enterprise data, analytics, governance and AI teams in financial services, healthcare, insurance, manufacturing, retail, technology and the public sector, especially organisations with complex…
Financial Health
StrongStrong · Hiring · 37% CAGR over 5y
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Computed from 5 filingsProvides data engineering and analytics consulting services, designing and implementing cloud data platforms, AI and IoT solutions, and Microsoft Power Platform applications. Also offers data…
Serves enterprise and large organisations on a B2B basis, particularly in utilities, finance, transport and infrastructure, and smart places. Targets buyers seeking data, AI, IoT and governance…
Financial Health
HealthyHealthy · Hiring · 72% CAGR over 4y
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Computed from 5 filingsDevelops AI-powered market research software that analyses consumer behaviour and feedback. Provides tools including facial coding, eye tracking, speech transcription, sentiment analysis, surveys,…
Serves B2B market research, consumer insights and marketing teams at brands and research agencies running quantitative and qualitative studies, creative testing, UX testing and customer journey…
Financial Health
StrongStrong · Growing, Hiring · 13% CAGR over 4y
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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 filingsDevelops and provides a data integration and analytics platform that connects business systems, unifies data and delivers real-time insights. Offers connectors, integration hubs, data repositories,…
Serves enterprises and mid-market organisations in retail, FMCG/CPG, entertainment/gaming, charity/non-profit and travel, targeting marketing, IT, finance, digital operations, supply chain and…
Financial Health
HealthyHealthy · Hiring · 69% CAGR over 4y
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Computed from 5 filingsProvides business intelligence, data integration and ERP consulting services, specialising in Qlik analytics platforms and Oracle JD Edwards systems. Offers data strategy, reporting solutions, system…
Serves B2B and public-sector organisations, especially Qlik, JD Edwards and SAP users, across healthcare, finance, legal, manufacturing, charities, education, defence, government, utilities,…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 4y
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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 5 filingsDevelops AI-powered digital banking software for banks and financial institutions. Provides platforms for personal financial management, transaction data enrichment and categorisation, customer…
Sells B2B to banks and financial institutions in global markets, targeting retail banking, deposits, customer engagement, digital banking and SMB/SME banking teams serving consumer and small-business…
Financial Health
HealthyHealthy · Growing, Hiring · 3% CAGR over 4y
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Computed from 5 filingsDevelops restaurant analytics and management software that integrates with POS, labour, and inventory systems to aggregate operational data, generate reports, forecast sales demand, benchmark…
Serves B2B hospitality operators, including independent restaurants, small and large restaurant chains, and hotels, targeting CEOs/founders, operations, finance, IT and general managers.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
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Computed from 5 filingsProvides data science and analytics services for media and advertising measurement. Cleans, models and enriches datasets, validates measurement methodologies, and offers data fusion software that…
Serves B2B customers in media and advertising, including advertisers, media agencies, audience measurement vendors, and media owners or platforms using consumer behaviour and audience data.
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HealthyHealthy · -78% CAGR over 3y
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Computed from 3 filingsProvides programmatic advertising technology for digital publishers, app developers, and media buyers. Operates a supply-side platform and related tools for ad inventory monetization, media buying,…
Serves digital publishers, app developers, CTV/OTT publishers, commerce media networks, agencies, and media buyers or advertisers operating programmatic advertising across the open internet.
Financial Health
StrongStrong · Hiring · 8% CAGR over 2y
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Computed from 5 filingsProvides data analytics, data engineering and AI advisory services for private equity funds and their portfolio companies. Develops reporting systems, business intelligence tools and machine learning…
Serves private equity funds and their portfolio companies, working with investment teams and management teams across the investment lifecycle, including due diligence, value creation, reporting and…
Financial Health
StrongStrong · Growing, Hiring · 46% CAGR over 5y
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Computed from 4 filingsDevelops web governance software that scans and monitors websites for accessibility, content quality, SEO, user experience, and compliance issues. Provides tools for automated testing, analytics,…
Sells to large organisations and web teams managing complex websites, including stakeholders responsible for accessibility, content, SEO, user experience, analytics, and data privacy compliance.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 3y
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Computed from 4 filingsProvides digital engineering and consulting services including data and AI solutions, experience design, platform development, and product modernisation. Supports businesses with digital marketing…
Serves B2B enterprise and mid-market clients, including global brands in technology, travel and hospitality, retail/CPG, healthcare, insurance, and online marketplaces.
Financial Health
HealthyHealthy · Hiring · 24% CAGR over 5y
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Computed from 2 filingsProvides artificial intelligence consulting, machine learning model development and data science services. Develops bespoke AI systems and analytics tools, including AI‑driven SEO and workflow…
Serves businesses and large organisations, including teams with proprietary data, digital marketing/SEO functions, and enterprises in sectors such as healthcare, media, technology, telecoms and…
Financial Health
HealthyHealthy · Hiring · 45% CAGR over 1y
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Computed from 5 filingsProvides a programmatic advertising platform that enables agencies and brands to plan, buy, and optimise digital ad campaigns. Offers AI‑driven targeting, campaign management and analytics across…
Serves advertising agencies, brands and in-house digital marketing teams running programmatic campaigns, across sectors including B2B, political, retail, travel, healthcare, finance and regulated…
Financial Health
StrongStrong · Growing, Hiring · 52% CAGR over 4y
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Computed from 4 filingsProvides digital transformation consulting including strategy development, design and software development of digital products, AI and data platforms, workflow automation, and modernization of…
Serves enterprise and public-sector organisations in automotive, energy, financial services, health, manufacturing, media, mobility and retail, typically teams leading digital, data, AI and customer…
Financial Health
StrongStrong · Hiring · 13% CAGR over 3y
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Computed from 5 filingsProvides AI-powered conversation intelligence software for contact centres, analysing customer interactions, delivering real-time guidance to agents, automating quality assurance scoring, and…
Serves contact centres and customer experience teams in financial services, insurance, credit unions, consumer goods and services, utilities and healthcare, including operations, QA, sales, fraud and…
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StrongStrong · Hiring · 20% CAGR over 4y
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Computed from 5 filingsProvides measurement and analytics tools for influencer marketing campaigns. Offers a SaaS platform and managed services that run brand lift studies, collect survey responses from exposed and control…
Sells to brands and marketing agencies running influencer marketing campaigns across multiple social platforms, especially teams responsible for campaign measurement, optimisation and budget…
Financial Health
StrongStrong · Growing, Hiring · 40% CAGR over 4y
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Computed from 5 filingsDevelops data analytics and social listening platforms that track verified healthcare professionals’ activity on social media. Provides tools to identify digital opinion leaders, analyse HCP…
Serves pharmaceutical and healthcare organisations, especially global brand, medical affairs, market research and communications teams, as well as energy, water and food sector leaders.
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StrongStrong · Growing · 0% CAGR over 4y
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Computed from 5 filingsDevelops a software engineering intelligence platform that collects and analyses development and delivery data to track metrics, monitor software delivery performance, and build dashboards for…
Sells to B2B software engineering organisations, including engineering leaders, managers, delivery teams, C-suite stakeholders, and private equity firms or portfolio companies seeking visibility into…
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StrongStrong · Growing, Hiring · 20% CAGR over 4y
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Computed from 5 filingsDevelops cloud-based decision intelligence software (Decisio) that uses data modelling and scenario analysis to support strategic, tactical and operational planning for asset‑intensive sectors such…
Serves B2B and public-sector infrastructure owners/operators, especially water and energy utilities and other asset-, energy- or risk-intensive organisations involved in critical infrastructure…
Financial Health
StrongStrong · Growing, Hiring · 21% CAGR over 4y
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Computed from 4 filingsDevelops artificial intelligence software and provides data science services focused on uncertainty quantification. Offers an AI platform and consulting to help organisations analyse uncertain or…
Targets organisations and government bodies in energy, engineering, transport, utilities and fusion research, typically technical, data science, R&D and operational teams working on complex,…
Financial Health
StrongStrong · Growing, Hiring · 211% CAGR over 3y
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Computed from 3 filingsProvides data analytics and operational support services using AI and human review. Analyses customer interactions and multimedia data, runs customer service operations, and processes audio, video…
Serves B2B enterprises, high-growth companies and digital-native brands in retail, eCommerce, travel, food delivery, home services, and software/technology, especially teams managing large-scale…
Financial Health
HealthyHealthy · -92% CAGR over 2y
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Computed from 3 filingsDevelops software for insurance underwriting and risk management. Its platform integrates exposure management, catastrophe modelling outputs, and portfolio analytics to support pricing decisions,…
Sells to insurance and reinsurance businesses, particularly underwriting, exposure management and catastrophe modelling teams managing portfolio risk, pricing and event response.
Financial Health
StrongStrong · Hiring · 41% CAGR over 2y
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Computed from 3 filingsProvides software development and IT consulting services, including engineering, cloud and DevOps implementation, big data and analytics, AI and machine learning, IoT, cybersecurity, and experience…
Serves B2B enterprise and mid-market organisations across multiple industries, targeting technology, product and operations leaders responsible for digital transformation, data, cloud, AI and…
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StrongStrong · 4% CAGR over 2y
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Computed from 5 filingsProvides data science and artificial intelligence consulting services, including AI strategy, prototyping and system development. Designs and deploys generative AI, automation and multi‑agent systems…
Serves enterprise organisations and public sector bodies adopting AI, targeting leadership, data and operations teams that need secure, governed AI systems integrated into existing technology stacks.
Financial Health
StrongStrong · Hiring · 39% CAGR over 4y
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Computed from 3 filingsProvides a mobile demand-side platform for programmatic advertising, enabling app and game marketers to run user acquisition and retargeting campaigns, manage bidding algorithms, and analyse data…
Serves B2B app and game marketers at performance brands, agencies and holding companies, including entertainment, gaming, finance, food delivery, retail/ecommerce, social media and travel businesses.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides geospatial data and software APIs for insurers to assess geographic and property risk. Platform offers address validation, geocoding, property data, peril and climate risk scores, and…
Serves B2B insurance organisations, including insurers, underwriting teams, insurance brands, coverholders and price comparison websites, with customers referenced worldwide.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 35% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides data analytics, machine learning and cloud engineering services. Designs and builds custom software, data pipelines and warehouses, APIs and analytics dashboards, and supports cloud…
Serves businesses and organisations with IT, data and digital transformation needs, including teams planning cloud adoption, analytics, machine learning, remote-work tooling, legacy modernisation or…
Financial Health
StrongStrong · Growing, Hiring · 22% CAGR over 4y
Location
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Showing 50 of 1,377 — +1,327 more with verified decision-maker contacts, live data, and CRM sync.
Unlock all 1,377 leads
Showing 50 of 1,377 — +1,327 more with verified decision-maker contacts, live data, and CRM sync.
How Google Tag Manager 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. data analytics 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 data analytics 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.
Google Tag Manager is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
Other Data Analytics technology
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Frequently asked questions
How many UK data analytics companies use Google Tag Manager?
What share of UK data analytics companies run Google Tag Manager?
How is Google Tag Manager usage detected?
What size data analytics companies use Google Tag Manager in the UK?
What do Google Tag Manager-running data analytics companies also run?
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