Turn this list into pipeline.
Companies Using Google Tag Manager in the UK: 43,736 Active Firms (2026)
UK companies using tag-management tools coordinate website scripts, consent-dependent pixels and analytics tags across online services.
Adoption usually sits with marketing operations, ecommerce, analytics and web teams rather than core IT alone. Companies running this tag-management stack tend to manage paid acquisition, conversion measurement, consent-dependent pixels and site performance through a shared governance layer. That often points to a business with repeatable online customer acquisition, enough budget to test campaigns across channels, and either an in-house digital team or retained agency support. Typical users range from owner-managed service firms with measurable lead flow to mid-market and enterprise operators where finance, legal and marketing all have a stake in what scripts run on public-facing services.
Read more
The UK adoption cohort contains 43,736 actively trading companies running this tag-management stack. Usage is not confined to online retail or media; it also appears across trades, construction, wholesale, manufacturing, property, financial services, travel and professional services where websites have become acquisition, enquiry or account-servicing channels. Employment is sizeable among firms with disclosed staffing: those companies account for 31,924 employees in reported headcount. The picture is therefore broader than a narrow martech niche, but still weighted towards organisations with enough digital activity to justify central control over tags, pixels and analytics scripts.
UK websites using tag-management, scripts, pixels or similar storage and access technologies sit mainly under PECR and UK GDPR rather than a sector-specific licence. ICO guidance requires organisations to tell users what storage and access technologies are used, explain what they do, and obtain consent to the UK GDPR standard unless an exception applies. The same guidance covers cookies, tracking pixels, link decoration, device fingerprinting, web storage, scripts and tags. Third-party technologies embedded in an online service remain part of the operator’s compliance responsibilities, so procurement and deployment are rarely just a marketing-operations decision.
Adoption appears likely to become more governed rather than simply more widespread. Marketing teams still want faster campaign deployment, but privacy reviews, consent tooling, browser restrictions and internal security checks tend to pull tag management into wider web governance. Smaller users may keep lightweight agency-managed setups, while larger operators are more likely to formalise ownership between marketing operations, analytics, legal and engineering. Vendor bundling may reduce some standalone decision-making, although the underlying need to audit scripts, document purposes and control deployment will remain. The practical divide is likely to be between firms treating tags as campaign plumbing and those treating them as part of regulated digital operations.
43,736
Active firms
2026
3,504
Above £5M turnover
Trading firms
6
Median headcount
Filed accounts
98,169
Verified contacts
Across this cohort
Key facts
About 8% of the trading cohort reports turnover above £5M (3,504 of 43,736 firms) — the rest sits below that revenue band.
6% of the cohort was incorporated since 2022 (3,041 firms), so a sizeable share is in its first few filing cycles.
PECR and UK GDPR, rather than a sector-specific licence, set the main compliance frame for UK websites using tag-management containers, scripts and pixels.
ICO guidance covers cookies, tracking pixels, link decoration, device fingerprinting, web storage and scripts or tags, with prior consent needed unless an exception applies.
A content-management platform is detected alongside the tag-management container on 60.2% of sites (26,344 companies), the highest co-occurrence in the cohort.
Field Services & Trades is the largest sector tag at 12.7% (5,552 companies), ahead of Construction at 10.7% (4,683) and Wholesale & Distribution at 9.1% (3,974).
IAB UK reported £35.5 billion of UK digital ad spend in 2024, with search at £16.6 billion and video display at £8.3 billion.
What else do Google Tag Manager users run?
Share of the 43,736 Google Tag Manager-running UK companies where each technology was also detected. As of June 2026.
Who runs Google Tag Manager in the UK?
By sector
Sectors overlap, so shares need not sum to 100%.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
6
Median headcount
£583.8k
Median UK turnover
8%
Above £5M turnover
3,041
Incorporated since 2022
98,169 verified decision-maker contacts
across these 43,736 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK companies 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 and operates online price comparison technology for insurance, energy and financial services. Provides white-label comparison platforms, affiliate programmes and provider panels, and runs…
Serves financial services, insurance, energy, technology and media businesses, including providers seeking comparison-panel customers, brands wanting white-label comparison platforms, and affiliates…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 8% CAGR over 2y
Location
Financial sub-scores
Computed from 5 filingsProvides support services to an affiliated company that develops and operates a developer data platform. Activities include assisting with sales, marketing, and technical support for cloud database…
Serves software developers, startups, AI innovators and enterprise technology teams, with industry focus on financial services, telecoms, healthcare, retail, public sector and manufacturing.
Financial Health
StrongStrong · Hiring · 28% CAGR over 5y
Location
StackAdapt UK Limited
Financial sub-scores
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
Location
READER OFFERS LIMITED
Financial sub-scores
Computed from 2 filingsOperates an online travel agency specialising in cruise holidays. Provides booking for ocean and river cruises, cruise-and-stay packages, expedition voyages, and related travel arrangements across…
Serves UK consumers booking cruise holidays, including couples, solo travellers, families, adults-only travellers, luxury cruise buyers, and customers seeking no-fly, river, expedition, world or…
Financial Health
StrongStrong · Profitable · 4% CAGR over 1y
Location
Neve Jewels Limited
Financial sub-scores
Computed from 5 filingsOnline retailer of diamond and gemstone jewellery, selling engagement rings, wedding rings, earrings, pendants and bracelets in metals such as platinum, gold and silver, including pieces with natural…
Serves UK consumers buying engagement and wedding jewellery, diamond accessories and gifts for partners, family and occasions, with ranges for women, men and different budgets.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 40% CAGR over 4y
Location
I SAW IT FIRST LIMITED
Financial sub-scores
Computed from 2 filingsOperates an e-commerce retail platform selling sportswear, trainers and sporting goods. Offers branded clothing, footwear and accessories for men, women and children, including football boots,…
Serves B2C online shoppers, including men, women and children, buying sports fashion, footwear, apparel, accessories and sporting goods from major brands across multiple country sites.
Financial Health
StrongStrong · Hiring · 74% CAGR over 1y
Location
Financial sub-scores
Computed from 3 filingsProvides sales support, marketing, and research and development services to affiliated companies developing enterprise automation software. Supports promotion and adoption of a platform for robotic…
Serves enterprises and public sector organisations, targeting business and IT teams in banking, financial services, healthcare, insurance, manufacturing, supply chain, finance, HR, QA/testing and…
Financial Health
StableStable · Hiring · 10% CAGR over 2y
Location
Steve Hopewell Holdings Limited
Financial sub-scores
Computed from 2 filingsProvides new and used Toyota cars, vans, and pick‑ups for sale online and through dealers. Offers vehicle financing and leasing, servicing and MOT booking, parts and accessories, warranty and…
Serves UK consumers, Motability customers, company car drivers, fleet managers, sole traders and local businesses seeking new or used cars, vans, pick-ups, finance, servicing and owner support.
Financial Health
StrongStrong · Profitable, Growing · 6% CAGR over 1y
Location
Park Cameras Holdings Limited
Financial sub-scores
Computed from 2 filingsOperates an online retail store selling digital cameras, mirrorless and DSLR cameras, lenses, video equipment, drones, action cameras, and photography accessories. Also supplies memory cards,…
Sells to UK photography and video customers, including hobbyist consumers, professional photographers, videographers and vloggers shopping online for camera equipment and accessories.
Financial Health
HealthyHealthy · Profitable · 0% CAGR over 1y
Location
JG Foods Limited
Financial sub-scores
Computed from 2 filingsOperates an online and retail store selling nuts, seeds, dried and freeze‑dried fruit, health foods, snacks, grains, baking ingredients, vitamins and supplements, as well as plant-based products,…
Serves UK consumers shopping online or in stores for health foods, snacks, cupboard staples, vitamins and supplements, including customers following vegan, gluten-free, dairy-free, organic or…
Financial Health
HealthyHealthy · Profitable · 0% CAGR over 1y
Location
Poole Bay Holdings Management Limited
Financial sub-scores
Computed from 2 filingsOperates B2B e‑commerce websites and catalogue marketing businesses supplying health, safety and facilities products. Manufactures and distributes workplace and maintenance items and manages brands…
Serves UK businesses buying health, safety and facilities supplies through ecommerce and catalogues, including companies needing workplace essentials and operational products.
Financial Health
HealthyHealthy · 9% CAGR over 1y
Location
REDBRAIN LIMITED
Financial sub-scores
Computed from 5 filingsProvides comparison shopping services for online retailers, managing and optimising product listings in Google Shopping and other ad platforms to increase visibility in shopping carousels and price…
Serves B2B online retailers and ecommerce marketing teams, especially European retailers running Google Shopping and Microsoft Ads campaigns who seek additional product visibility in shopping…
Financial Health
HealthyHealthy · Hiring · 20% CAGR over 4y
Location
Hourglass Cosmetics UK Limited
Financial sub-scores
Computed from 3 filingsDevelops and markets beauty products including cosmetics and skincare, as part of a wider consumer goods portfolio that also includes personal care, home care and food brands.
Sells primarily to consumers globally across beauty and wellbeing, personal care, home care and foods categories, spanning everyday household shoppers and buyers of premium indulgence brands.
Financial Health
StrongStrong · Profitable, Hiring · 22% CAGR over 2y
Location
FREEDOM DESTINATIONS LIMITED
Financial sub-scores
Computed from 2 filingsDesigns and sells tailor‑made holiday packages to destinations including Australia, New Zealand, the Americas, Africa and Asia. Arranges flights, accommodation, tours, safaris, cruises, car hire and…
Sells to UK consumers, couples and families planning tailor-made long-haul holidays, including honeymoons, safaris, fly-drives, cruises, tours and multi-centre trips across destinations such as…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 15% CAGR over 1y
Location
MERLIN CYCLES LIMITED
Financial sub-scores
Computed from 5 filingsOperates an online retail store selling road, mountain and electric bicycles, frames, bike components, wheels, tyres, cycling clothing, accessories, cycling nutrition products, and workshop tools for…
Sells to individual cyclists and cycling enthusiasts, including road, mountain, gravel and e-bike riders, seeking bikes, components, clothing and accessories through an online retail shop in the UK…
Financial Health
HealthyHealthy · Profitable · -5% CAGR over 4y
Location
MEWS SYSTEMS LIMITED
Financial sub-scores
Computed from 5 filingsDevelops cloud-based hospitality management software for hotels and accommodation providers, including property management systems, booking and check‑in tools, point-of-sale, payment processing, and…
Serves hospitality businesses worldwide, including hotels, groups and chains, small and independent hotels, extended-stay properties, hostels and motels, targeting general managers, revenue, finance,…
Financial Health
StrongStrong · Hiring · 41% CAGR over 4y
Location
Financial sub-scores
Computed from 2 filingsProvides cloud-based treasury and liquidity management software for businesses. Platform connects banks and ERP systems to manage cash positions, payments, financial risk, and forecasting, with tools…
Serves CFOs, treasurers and finance/IT teams at enterprise and midsize organisations, including banks and public-sector bodies, across finance, technology, retail, manufacturing and insurance.
Financial Health
StrongStrong · Hiring · 32% CAGR over 1y
Location
TANGLE TEEZER LIMITED
Financial sub-scores
Computed from 5 filingsDesigns and distributes hairbrushes and hair care tools, including detangling brushes, styling and blow‑dry brushes, scalp massagers and combs, along with detangling sprays and grooming brushes for…
Serves B2C shoppers with varied hair types and hair concerns, including adults, parents buying for children, and pet owners seeking cat and dog grooming products.
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 4y
Location
ENABLE INTERNATIONAL LIMITED
Financial sub-scores
Computed from 3 filingsProvides cloud-based software for managing supplier pricing and rebate agreements. The platform centralises pricing and rebate data, automates calculations and workflows, and offers analytics and AI…
Sells to B2B procurement, finance and sales teams in distribution, manufacturing, retail, food services, and health and life sciences organisations managing complex partner and supplier agreements.
Financial Health
StrongStrong · Hiring · 25% CAGR over 2y
Location
VINTAGE TRADING SOLUTIONS LTD.
Financial sub-scores
Computed from 5 filingsOperates an online service that buys second‑hand valuables and antiques from consumers. Provides prepaid postage packs for customers to send items such as jewellery, gold, silverware, watches,…
Targets individual consumers and households with unwanted vintage valuables, including jewellery, gold, silver, watches, cameras, coins, medals, toys and similar items.
Financial Health
HealthyHealthy · Hiring · 46% CAGR over 4y
Location
Byte London Limited
Financial sub-scores
Computed from 5 filingsProvides digital marketing and technology services for brands, including AI transformation, data and technology consulting, customer experience design, e‑commerce development, media and brand…
Serves enterprise and global brand marketing, digital and technology teams, especially in banking, financial services, insurance, consumer packaged goods, health, retail and commerce, and tech, media…
Financial Health
StrongStrong · Hiring · 15% CAGR over 5y
Location
SPORTRADAR UK LIMITED
Financial sub-scores
Computed from 2 filingsProvides sports data, statistics, and odds for betting operators, media companies, and sports organisations. Develops software platforms, APIs, live streaming, and analytics tools, and delivers…
Serves B2B customers including betting and gaming operators, media and technology companies, sports teams, leagues and federations, plus integrity and regulatory bodies in the sports sector.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 22% CAGR over 1y
Location
Financial sub-scores
Computed from 3 filingsProvides cloud-based equity management software for companies to manage share registers and cap tables, administer employee share schemes, automate dividend distributions, and communicate with…
Sells B2B to high-growth startups, dividend-paying companies and member-owned cooperatives, serving internal HR, finance and legal teams as well as their investors, shareholders and employees.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 38% CAGR over 2y
Location
CMT Equipment Limited
Financial sub-scores
Computed from 3 filingsSupplies construction equipment, tools and site consumables through an online catalogue, including hand tools, plant and machinery, fixings, and safety products. Also distributes workwear and…
Sells to UK construction and infrastructure businesses, including contractors, site managers and procurement teams buying PPE, workwear, tools, plant, fixings and site consumables.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 6% CAGR over 2y
Location
C Page Limited
Financial sub-scores
Computed from 5 filingsOperates an online vape shop selling electronic cigarette products including vape kits, pod systems, e‑liquids, nicotine salts, shortfills, coils, pods and related accessories, with multibuy offers…
Sells to adult consumers in the UK buying vape products online, including beginners and regular vapers seeking vape kits, e-liquids, pods, coils, nicotine salts, shortfills and accessories.
Financial Health
StrongStrong · Growing, Hiring · 50% CAGR over 4y
Location
GLOBALIZATION PARTNERS LTD
Financial sub-scores
Computed from 5 filingsProvides employer of record services and software platform enabling businesses to hire, onboard, manage, and pay employees and contractors in multiple countries. Supports global employment…
Sells to startups, mid-market and enterprise businesses expanding internationally, especially HR, legal, finance, IT and leadership teams responsible for global hiring, workforce compliance and…
Financial Health
StrongStrong · Hiring · 46% CAGR over 4y
Location
ONE TRAVELLER LIMITED
Financial sub-scores
Computed from 3 filingsOrganises escorted holidays for solo travellers aged over 50. Offers small‑group tours, cruises, rail trips and themed holidays across the UK and worldwide, with tour managers, accommodation, meals…
Targets B2C customers: mature singles and solo travellers over 50, including first-time solo holidaymakers, who want social trips with like-minded people.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 18% CAGR over 2y
Location
ELIZABETH SCHOOL OF LONDON LIMITED
Financial sub-scores
Computed from 4 filingsProvides higher education courses including BA and BSc undergraduate programmes and foundation years in subjects such as business management, marketing, computing, accounting, finance, and health and…
Serves prospective undergraduate students, including mature learners and those with non-traditional educational backgrounds, seeking flexible higher education and career-focused study across UK…
Financial Health
StrongStrong · Growing, Hiring · 34% CAGR over 5y
Location
FLAVOUR WAREHOUSE LIMITED
Financial sub-scores
Computed from 5 filingsManufactures e‑liquid formulations for electronic cigarettes and supplies vaping products through wholesale and retail channels. Produces freebase, nicotine salt and shortfill liquids, and sells vape…
Serves vape retailers, trade buyers and OEM/private-label partners, with e-liquids, devices and accessories supplied internationally. Also reaches individual adult vaping consumers through retail…
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 4y
Location
Cherry Lane Retail Centres Limited
Financial sub-scores
Computed from 5 filingsOperates garden centre retail stores and an online shop selling plants, trees and shrubs, gardening tools and supplies, garden buildings and outdoor furniture, homeware, pet and wildlife products,…
Targets B2C retail shoppers, including homeowners, gardeners, pet owners and families seeking value home, garden, outdoor living, seasonal and toy ranges in-store and online.
Financial Health
StrongStrong · Hiring · 7% CAGR over 4y
Location
ConnectWise Ltd
Financial sub-scores
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
Location
Halo Service Solutions Ltd
Financial sub-scores
Computed from 5 filingsDevelops enterprise workflow management software including IT service management (ITSM), professional services automation (PSA), and CRM platforms. Provides tools for service desks, project…
Serves enterprises, managed service providers and consultancy firms, plus public-sector, healthcare, retail, education, financial services, software and telecoms organisations with IT, operations and…
Financial Health
StrongStrong · Growing, Hiring · 40% CAGR over 4y
Location
CMS Distribution Limited
Financial sub-scores
Computed from 2 filingsDistributes business and consumer technology products to trade resellers, including data storage, datacentre and networking equipment, cybersecurity and data management software, consumer electronics…
Serves trade-only B2B customers across Europe and APAC, including IT resellers, retailers and channel partners in consumer electronics, gaming, digital workplace, datacentre, networking and…
Financial Health
HealthyHealthy · Profitable · -15% CAGR over 1y
Location
Quest Pay Solutions NE Limited
Financial sub-scores
Computed from 5 filingsProvides payroll, umbrella employment, CIS payment, and accountancy services for recruitment agencies, contractors, and freelancers. Also offers contractor financing, recruitment funding, global…
Serves recruitment agencies and employment-sector businesses, plus contractors, freelancers and SMEs. Targets agency leaders needing payroll, compliance, funding and global workforce support,…
Financial Health
StableStable · -44% CAGR over 6y
Location
Lowdham Leisureworld Ltd
Financial sub-scores
Computed from 5 filingsRetailer of new and used motorhomes, campervans and caravans. Also provides vehicle servicing and repairs, parts and accessories sales, finance and warranty options, and purchasing services for…
Serves consumers buying, selling, financing or maintaining motorhomes, campervans and caravans, including first-time buyers, families and couples seeking new or used leisure vehicles, accessories,…
Financial Health
HealthyHealthy · Profitable · -5% CAGR over 4y
Location
WESTMINSTER BRIDGE HOTEL OPERATOR LIMITED
Financial sub-scores
Computed from 2 filingsOperates a full-service hotel providing guest rooms and suites, on-site restaurants and bars, meeting and event facilities, and leisure amenities including a spa, swimming pool and fitness centre for…
Serves leisure travellers, families and city-break visitors to central London, plus corporate, government and agency bookers seeking accommodation and meetings/events space near Westminster and the…
Financial Health
StrongStrong · Hiring · 138% CAGR over 1y
Location
Route 101 Limited
Financial sub-scores
Computed from 5 filingsProvides cloud-based contact centre and unified communications software, including omnichannel customer engagement, IVR, AI automation, workforce management and analytics. Also delivers consultancy,…
Serves B2B and public-sector organisations with customer service and contact centre operations, including retail, financial services, travel and leisure, and energy and utilities teams.
Financial Health
StrongStrong · Growing, Hiring · 23% CAGR over 5y
Location
REPUBLIC OF MEDIA LIMITED
Financial sub-scores
Computed from 5 filingsProvides media planning and buying services and advertising consultancy for brands and public sector organisations. Plans and manages campaigns across digital, broadcast, social, sponsorship and…
Serves consumer-facing brands and public-sector organisations, including sports betting, drinks, retail, transport, healthcare bodies and UK public bodies.
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 5y
Location
CERTARA UK LIMITED
Financial sub-scores
Computed from 3 filingsProvides software and consulting services for pharmaceutical and biotechnology drug development, including biosimulation and pharmacokinetic modelling, clinical trial data analysis, regulatory…
Serves life sciences organisations, including biotech, pharmaceutical companies and CROs, across drug discovery, clinical development, regulatory, market access and commercial functions.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 10% CAGR over 2y
Location
PRESTONS GROUP LIMITED
Financial sub-scores
Computed from 5 filingsOperates retail showrooms selling luxury wristwatches and fine jewellery, including engagement and wedding rings from authorised watch brands. Also provides bespoke jewellery design and manufacture,…
Serves private clients and consumers seeking luxury watches, fine jewellery, engagement and wedding rings, including watch collectors and couples buying bespoke or branded pieces through UK showrooms.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 17% CAGR over 4y
Location
SALES ASSISTANCE LIMITED
Financial sub-scores
Computed from 4 filingsSells prestige, luxury, and performance cars through an online and showroom dealership. Offers a curated inventory of high-end vehicles, including brands such as Porsche, Ferrari, and Lamborghini,…
Serves private consumers and car enthusiasts seeking prestige, luxury and performance vehicles, including buyers of Porsche, Ferrari, Lamborghini and similar marques, plus owners looking to sell or…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 9% CAGR over 3y
Location
Mightyhive Ltd
Financial sub-scores
Computed from 5 filingsProvides data and digital media consulting services, helping advertisers implement and manage advertising platform technologies, develop data strategies, run and measure digital marketing campaigns,…
Serves enterprise brands and marketing teams seeking data strategy, digital media transformation, campaign measurement and e-commerce advertising support, including organisations managing first-party…
Financial Health
StrongStrong · Hiring · 48% CAGR over 6y
Location
IMS Euro Limited
Financial sub-scores
Computed from 3 filingsSupplies veterinary and medical consumables and equipment through an online store, including anaesthesia products, syringes, diagnostic devices, PPE, laboratory supplies, and animal handling items to…
Sells B2B to veterinary practices, animal hospitals, farm and equine clinicians, and healthcare organisations including NHS buyers needing clinical, surgical, diagnostic and facility consumables.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 13% CAGR over 2y
Location
Edwards Coaches Limited
Financial sub-scores
Computed from 3 filingsOperates coach travel services including UK and European coach holidays, day trips and event travel. Provides private coach hire, school transport, scheduled bus and National Express services, and…
Serves leisure travellers, families, schools and youth groups, corporate away-day organisers, and private groups or event organisers seeking UK and European coach travel and hire.
Financial Health
StrongStrong · Profitable, Growing · 5% CAGR over 2y
Location
Somerford Associates Limited
Financial sub-scores
Computed from 3 filingsProvides IT security, data analytics and cloud technology solutions, partnering with vendors such as Splunk, Cisco and Okta. Offers consulting, system design, implementation, migration, and support…
Sells mainly to large organisations and public sector bodies needing cloud, security and data solutions, including government departments, defence, local councils, and enterprises in retail,…
Financial Health
StrongStrong · Profitable, Growing · 3% CAGR over 2y
Location
Mediamonks London Limited
Financial sub-scores
Computed from 4 filingsProvides digital marketing and creative production services including content creation, media planning, data analytics, brand and social media campaigns, technology development, AI solutions, and…
Serves enterprise and mid-market brands, marketing leaders and digital teams, particularly consumer-facing organisations seeking partners across content, data, media, commerce, AI and technology.
Financial Health
StrongStrong · Hiring · 11% CAGR over 3y
Location
The Kite Factory Limited
Financial sub-scores
Computed from 5 filingsProvides media planning and buying services for brands and charities, using audience insight and data analysis to plan, place and measure advertising across channels including TV, out‑of‑home and…
Serves B2B clients including charities, consumer brands and commercial organisations, with examples spanning visitor attractions, NGOs, food and drink, and fitness or wellness brands.
Financial Health
StrongStrong · Growing, Hiring · 16% CAGR over 4y
Location
Sword IT Solutions Limited
Financial sub-scores
Computed from 5 filingsProvides IT consultancy and digital transformation services including software development, data and analytics solutions, cloud and platform implementation, cybersecurity, digital workplace…
Serves B2B clients, mainly large organisations and enterprises across 50 countries, including teams with complex IT, data, cloud, Microsoft 365, information management and managed service needs.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 21% CAGR over 4y
Location
First Advantage Europe Ltd
Financial sub-scores
Computed from 5 filingsProvides employment background screening and identity verification services, including criminal record checks, drug and alcohol testing, fingerprinting, social media screening, and employment or…
Serves businesses and organisations hiring workers, including small, mid-market, enterprise and global employers across business services, education, financial services, healthcare, hospitality,…
Financial Health
StrongStrong · Hiring · 13% CAGR over 4y
Location
Advance Contracting Solutions Limited
Financial sub-scores
Computed from 5 filingsProvides umbrella employment, payroll and accounting services for contractors and freelancers. Supports self‑employed and limited company contractors with tax returns, expense claims, CIS services…
Serves individual contractors using umbrella, CIS/self-employed or limited-company arrangements, alongside recruitment agencies looking for compliant contractor payment partners.
Financial Health
HealthyHealthy · Profitable, Hiring · 8% CAGR over 4y
Location
Unlock all 43,736 leads
Showing 50 of 43,736 — +43,686 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.
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 Tag managers platforms
Google Tag Manager users by sector
Frequently asked questions
How many UK companies use Google Tag Manager?
How is Google Tag Manager usage detected?
What kinds of companies use Google Tag Manager in the UK?
What do Google Tag Manager users also run?
How fresh is this data?
Can I get contact details for these companies?
Push these 43,736 companies into your pipeline.
Find the right decision-makers, see verified company data, and export your list in seconds.