B2B Companies Using Q4 in the UK: 84 Active Firms (2026)
B2B companies in the UK sell goods or services to organisations and run a detected public-website technology.
For B2B adopters, this detected CRM and stakeholder-communications layer tends to sit between sales operations, marketing operations and corporate communications rather than inside a purely technical function. It helps teams manage named business contacts, outbound workflows, website forms and public-facing relationship signals, so adoption usually points to a company with a maintained web estate, some compliance process around opt-outs, and a direct-channel go-to-market motion. The behavioural fit is closer to established mid-market and larger organisations than owner-managed microbusinesses: multiple buying centres, regulated or technical customer bases, and a need to evidence identity, consent handling and response discipline.
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Across the UK, 84 B2B firms are actively trading with this system detected on their public websites. Reported employment linked to the cohort totals 3,873 people, so the adoption picture is more mid-market than experimental. Within detected CRM usage for B2B firms, the system accounts for 2.0% of 4,258 detections, ranking seventh behind more widely adopted alternatives. The registered-region skew is led by London at 23.8% and the South East at 17.9%, followed by the North West at 11.9%, Yorkshire and The Humber at 9.5%, and Scotland at 8.3%.
B2B firms running this kind of stack sit in a mixed regulatory environment, because their obligations follow the activity being carried out rather than a single sector licence. ICO guidance under PECR covers direct marketing by live calls, automated calls, electronic mail and fax. For emails or texts to corporate subscribers, PECR consent is not required, but senders still need to identify themselves and offer a valid opt-out route. UK GDPR remains relevant when named business contacts are processed. Live B2B calling also needs screening against CTPS and TPS, and firms must suppress businesses that have objected.
Adoption appears most likely to persist among business-to-business firms with direct sales motions, public procurement exposure or customers that expect visible assurance around contact handling. The cohort tilts towards organisations with maintained websites and cross-functional ownership of customer communications, which tends to make replacement a process issue rather than a simple website change. Migration pressure may come from broader CRM consolidation and bundled marketing suites, while specialist tools retain a role where corporate communications, investor-style updates or stakeholder lists are handled separately from pipeline management. Churn therefore looks more likely to follow operating model changes than short-term website redesigns.
Adoption by company size
Adoption of Q4 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 Q4 (59 detected). 0.1% of the 31,788 companies with 10–50 employees run Q4 (21 detected). 0.2% of the 3,773 companies with over 50 employees run Q4 (6 detected). That is a 0.1% gap between the over 50 employees and under 10 employees bands.
84
Active firms
2026
2%
Of detected CRM share
UK B2B
5
Median headcount
Filed accounts
196
Verified contacts
Across this cohort
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Key facts
About 21% of the trading cohort reports turnover above £5M (18 of 84 firms) — the rest sits below that revenue band.
16% of the cohort was incorporated since 2022 (14 firms), so a sizeable share is in its first few filing cycles.
The detected CRM system has 2.0% (84) share among 4,258 B2B companies with a detectable CRM system, behind multiple larger detected footprints.
London accounts for 23.8% (20) of B2B users of the system, followed by the South East at 17.9% (15) and the North West at 11.9% (10).
Wholesale & Distribution is the largest overlapping tag at 19.0% (16), with SaaS at 14.3% (12) and Advanced Manufacturing at 13.1% (11).
Website stacks skew towards security and measurement: 88.1% also run a traffic-management layer, 81.0% run tag management and 53.6% run bot checking.
For B2B marketing, ICO guidance says corporate-body emails or texts do not need PECR consent, but identity, opt-out and UK GDPR duties still apply.
Investor relations market share among UK B2B
Share of the 4,258 UK B2B with a detectable system. As of June 2026.
What else do Q4-running B2B run?
Share of the 84 Q4-running UK companies where each technology was also detected. As of June 2026.
Where Q4 B2B are, and how healthy they look
By region
By registered-office region; companies without a regional match count toward Rest of UK.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
5
Median headcount
£938.1K
Median UK turnover
21.4%
Above £5M turnover
14
Incorporated since 2022
196 verified decision-maker contacts
across these 84 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK B2B using Q4
Ranked by sales-readiness score: an AI model assesses what each company does, its sector and size, and scores its overall fit. Best-fit prospects appear first.
Provides a demand-side platform for programmatic digital advertising, enabling marketers to buy and manage campaigns across channels including connected TV, mobile, display, audio and digital…
Serves B2B advertisers, brand and performance marketing teams, agencies and programmatic media buyers across channels including CTV, audio, mobile, display, native, video and digital out-of-home.
Location
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Provides digital media measurement and analytics software for advertisers and publishers. Its platform verifies ad impressions, detects fraud, measures viewability and brand suitability, and uses…
Serves global brands, advertisers and media agencies buying digital media, plus publishers, marketplaces, social platforms, streaming TV and commerce/retail media networks.
Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 3 filingsProvides IT advisory, research and consulting services to large organisations, including technology sourcing, benchmarking, digital and cloud transformation, cost optimisation and governance of…
Serves large enterprises and public-sector organisations, targeting executives and technology leaders across sectors including financial services, healthcare, manufacturing, energy, retail, telecoms,…
Financial Health
DistressedDistressed · -90% CAGR over 2y
Location
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Provides financial reporting and regulatory compliance software for corporations, funds and advisers, including SEC and ESEF reporting tools, virtual data rooms, and platforms for shareholder…
Serves B2B clients including public and private corporations, fund and investment companies, advisors and law firms, with sector pages for healthcare, energy, technology and franchise management.
Location
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Financial sub-scores
Computed from 3 filingsDevelops enterprise software for sustainability management, enabling companies to measure carbon emissions and environmental impact, collect and standardise operational data, generate ESG and…
Sells to enterprise sustainability and ESG teams at large corporates, including Fortune 500 companies, major banks and global private equity firms with complex reporting obligations.
Financial Health
StrongStrong · Hiring · 224% CAGR over 2y
Location
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Financial sub-scores
Computed from 2 filingsProvides cloud-based data security and backup software for enterprises, including data protection, ransomware recovery, threat monitoring, and data management across cloud platforms, SaaS…
Serves enterprise IT and security teams across healthcare, financial services, government, education, critical infrastructure and legal sectors, including organizations with hybrid cloud, SaaS and…
Financial Health
StrongStrong · Hiring · 34% CAGR over 1y
Location
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Designs and manufactures engineered components and systems including actuation systems, valves, pumps, embedded computing hardware, sensors, and surface treatment coatings for aerospace, defense,…
Serves B2B and government customers in defense, commercial aerospace, nuclear power, process and industrial markets, including naval, aerospace and ground-defense operators, power plant operators and…
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Financial sub-scores
Computed from 3 filingsProvides a cloud-based learning management system that enables organisations to create, deliver, and manage digital training for employees, partners, and customers, with tools for course creation,…
Sells to enterprise and public-sector learning, HR, and enablement teams training employees, partners, customers, and members across software, manufacturing, government, retail, IT services, finance,…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Computed from 4 filingsProvides electronic manufacturing services including product design and development, prototype and new product introduction, end‑to‑end manufacturing, testing and inspection, supply chain management,…
Serves B2B OEMs and product companies in aerospace, defense, healthcare, life sciences, industrial, data communications, energy, transportation and semiconductor capital equipment, especially complex…
Financial Health
WeakWeak · Hiring · 4% CAGR over 3y
Location
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Computed from 2 filingsDesigns and builds AI and high‑performance computing infrastructure for data centres, including GPU‑accelerated servers, cluster management software, memory expansion and storage hardware. Provides…
Sells primarily to businesses, enterprises and public sector organisations needing AI, HPC and data centre infrastructure, especially in oil and gas, financial services, healthcare, higher education,…
Financial Health
StableStable · 5% CAGR over 1y
Location
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Manufactures engineered components and systems for aerospace, defense, and industrial applications. Products include fluid handling and flow control equipment used in cryogenic, nuclear, chemical,…
Sells to businesses and institutional buyers in aerospace, defence, and process industries, including nuclear, pharmaceutical, chemical and water. Targets customers needing mission-critical…
Location
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Computed from 3 filingsDevelops and manufactures components and subsystems for medical and industrial equipment, including machine vision cameras, laser sources and beam delivery systems, precision motion motors and…
Serves B2B OEMs and system builders in medical, life sciences, surgery, robotics, automation and advanced manufacturing markets worldwide, especially teams building mission-critical industrial and…
Financial Health
HealthyHealthy · Profitable, Hiring · 51% CAGR over 2y
Location
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Computed from 5 filingsProvides brand, corporate communications and investor engagement services. Designs and delivers digital experiences, websites, corporate reporting, and visual content to support branding, stakeholder…
Serves businesses, especially corporate communications, investor relations and brand teams at listed companies and larger organisations. Targets sectors including retail, life sciences and biotech,…
Financial Health
StrongStrong · Growing, Hiring · 9% CAGR over 4y
Location
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Computed from 2 filingsProvides financial data management, analytics and investment decision‑support software and services for institutional investors. Develops and licenses software platforms, supplies market and…
Serves institutional investors, asset managers, asset owners and financial services firms needing investment data, analytics, trading, cash management and servicing support across markets.
Financial Health
StableStable · Profitable · -6% CAGR over 1y
Location
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Computed from 5 filingsDevelops and provides cloud-based point-of-sale and commerce software for retailers, restaurants and golf venues, including payment processing, e‑commerce, inventory management, reporting, and…
Sells to businesses in retail, hospitality and golf, including apparel, bike, electronics, liquor and pet stores, restaurants, bars, cafés, hotels, and golf courses/resorts. Targets merchants needing…
Financial Health
HealthyHealthy · Hiring · 117% CAGR over 4y
Location
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Computed from 5 filingsManufactures advanced composite materials including carbon fiber, prepregs, resins, honeycomb cores, adhesives, and reinforcement fabrics. Supplies lightweight structural materials used in aerospace,…
Serves B2B customers in commercial aerospace, defence and space, and industrial sectors, including manufacturers and engineering teams developing lightweight composite-based products and structures.
Financial Health
StrongStrong · 200% CAGR over 1y
Location
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Computed from 5 filingsActs as a wholesale insurance broker, arranging insurance and reinsurance coverage for clients and intermediaries. Places risks with insurers and Lloyd’s syndicates across classes including financial…
Serves business clients needing wholesale insurance placement, particularly organisations and intermediaries in the London and Lloyd’s markets across financial and professional lines, marine,…
Financial Health
StableStable · -63% CAGR over 4y
Location
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Computed from 3 filingsDevelops and supplies test, measurement, and monitoring equipment and software for telecommunications and network infrastructure. Products support wireless and fiber network testing, service…
Sells primarily to businesses in telecoms, network infrastructure, cloud and data centre markets, including lab, manufacturing, deployment and operations teams. Also serves transport, public sector…
Financial Health
StableStable · Hiring · 20% CAGR over 2y
Location
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Computed from 3 filingsImports, distributes and sells molecular biology and diagnostic kits, reagents and laboratory instruments used in life science research, clinical and molecular diagnostics, forensics and applied…
Serves life science researchers, clinical and diagnostic laboratories, pharmaceutical and biotech companies, and applied testing organisations, including forensics, veterinary, infectious disease,…
Financial Health
HealthyHealthy · -90% CAGR over 2y
Location
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Computed from 3 filingsDesigns and supplies semiconductor chips and silicon intellectual property for memory interfaces, high‑speed connectivity and hardware security. Products include DDR memory interface chipsets, PCIe…
Serves B2B semiconductor and systems companies, including data center/server, AI computing, automotive, edge and IoT hardware teams, plus government and pay-TV technology buyers.
Financial Health
StableStable · -9% CAGR over 2y
Location
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Computed from 2 filingsProvides a cloud-based investment management platform for institutional investors. Integrates portfolio and order management, investment data management, risk and performance analytics, accounting,…
Sells to institutional investors and investment teams, including asset managers, banks, hedge funds, insurers, pensions, endowments, public sector fund managers, corporate treasuries, and energy…
Financial Health
HealthyHealthy · Hiring · 15% CAGR over 1y
Location
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Provides cloud-based payroll processing and human resources management software for businesses, including tax filing, time and attendance tracking, recruitment and talent management, employee…
Serves employers and HR, payroll and finance teams at small businesses, midsized companies and enterprise organisations, from 1 to 1,000+ employees.
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Develops and supplies network security and application delivery products, including DDoS protection, web application firewalls, load balancing (ADC), carrier‑grade NAT, SSL/TLS inspection, and…
Serves large enterprises, telecoms and service providers, and public-sector organisations, with sector focus on financial services, healthcare, higher education, government, gaming, manufacturing and…
Financial Health
N/AN/A
Location
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Provides electronics manufacturing services for OEMs, including product design and engineering, PCB fabrication and assembly, precision machining, cable and enclosure manufacturing, testing, supply…
Serves high-technology OEMs and product companies in communications, cloud computing, industrial, medical, automotive, defense, aerospace, clean technology, computing/storage, multimedia and oil and…
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Designs and manufactures engineered components and systems for aerospace, defence, energy and industrial markets, including actuators, valves, pumps, embedded computing hardware, sensors, and flight…
Serves defence and aerospace primes, naval and ground military programmes, commercial aerospace manufacturers, nuclear power and process operators, and industrial businesses.
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Provides marketing and communications services including advertising, media planning and buying, branding, public relations, experiential marketing, commerce, and content production, using data…
Serves enterprise and global consumer brands, primarily marketing and sales leaders seeking agency support across advertising, media, branding, commerce, public relations, health and experiential…
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Financial sub-scores
Computed from 4 filingsProvides IT training courses, certification programs, and e‑learning for technologies including cloud, networking, security, and data platforms, working with vendors such as Microsoft, VMware, AWS,…
Serves IT professionals, enterprise technology teams and channel partners needing vendor certification across cloud, security, datacentre, DevOps, AI and enterprise software platforms.
Financial Health
StableStable · Hiring · 7% CAGR over 3y
Location
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Computed from 2 filingsActs as a holding company for a group that develops and provides IT management and cybersecurity software for managed service providers and IT departments, including remote monitoring and management,…
Serves managed service providers, IT service providers, corporate IT departments and reseller partners that manage complex networks, endpoints, security operations, backups and help desks for…
Financial Health
StableStable
Location
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Provides cloud-based HR and employee benefits administration services, including health and retirement plan administration, wellbeing programmes, absence and leave management, and employee engagement…
Serves employers and HR/benefits leaders at mid-sized and large businesses, plus carriers, consultants and brokers as partners. Targets organisations managing employee health, wellbeing, retirement,…
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Computed from 3 filingsProvides property, casualty and specialty insurance and reinsurance products, underwriting risk for businesses and insurers. Also offers access to third‑party capital and risk management through…
Serves insurers, brokers and businesses seeking property, casualty and specialty insurance or reinsurance, with customers across global markets including Europe and more than 115 countries.
Financial Health
DistressedDistressed · -23% CAGR over 2y
Location
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Computed from 3 filingsDesigns and manufactures inductive position sensors and encoders for motion control systems. Products include rotary and linear position sensors used in robotics, aerospace, medical devices,…
Sells B2B to OEMs and engineering teams in medical devices, aerospace, industrial automation, robotics, marine, oil and gas, satcom, automotive and specialist vehicles that need position sensing for…
Financial Health
StrongStrong · Profitable, Growing · 4% CAGR over 2y
Location
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Computed from 5 filingsDevelops, manufactures and supplies solar power systems and renewable energy solutions. Integrates technologies such as solar generation, wind, hydro and energy storage, and provides grid…
Serves businesses and utilities, including technology and data centre operators, mining and metals companies, commercial and industrial energy users, and utilities and cooperatives.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsProvides investor relations software and services through a digital platform, including IR website hosting, earnings and investor event management, CRM tools, shareholder identification, market…
Serves investor relations leaders and teams at publicly traded companies, along with IR agencies supporting listed-company clients worldwide.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
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Computed from 5 filingsDevelops and provides cloud-based computerized maintenance management system (CMMS) software used by facilities teams to manage maintenance work orders, track assets, coordinate service vendors,…
Serves B2B enterprise facilities and real estate teams, especially facilities managers and directors overseeing multi-site portfolios. Targets organisations needing maintenance, asset and vendor…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 4y
Location
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Computed from 3 filingsDevelops and supplies cloud networking hardware and software, including Ethernet switches, routing platforms, network operating systems, Wi‑Fi systems, and network monitoring and automation tools for…
Serves enterprises, hyperscale cloud and data centre operators, service providers, federal government agencies, and sectors such as electronic trading, media and entertainment, IP storage and big…
Financial Health
WeakWeak · 3% CAGR over 2y
Location
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Computed from 5 filingsProvides product design, engineering and manufacturing services for complex electronic and electromechanical products. Offers prototyping, testing, supply chain management, fulfillment, repair and…
Serves B2B product companies and OEMs in aerospace and defense, healthcare and life sciences, industrial equipment, data communications, energy, transportation and semiconductor capital equipment.
Financial Health
StableStable · Hiring · 28% CAGR over 5y
Location
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Computed from 3 filingsDesigns and builds automated manufacturing and assembly systems for industries including life sciences, food and beverage, transportation, energy and consumer products, providing engineering,…
Serves global B2B manufacturers and product companies in life sciences, food and beverage, transportation, energy and consumer products, particularly organisations bringing products to market.
Financial Health
StableStable · -5% CAGR over 2y
Location
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Computed from 2 filingsDevelops and provides cloud-based software for customer service and IT service management, including helpdesk ticketing, automation, and AI tools. Products enable businesses to manage support…
Sells to businesses worldwide, targeting IT service management, helpdesk, customer support and customer experience teams that manage employee and customer service operations.
Financial Health
StableStable · Hiring · 11% CAGR over 1y
Location
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Provides technology, systems and services for lottery operators, including retail terminals and vending machines, digital lottery platforms, game design and development, instant ticket production,…
Serves government-regulated lottery operators and lottery organisations worldwide, including national and state lotteries, retail lottery channels and digital/iLottery teams.
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Computed from 3 filingsDevelops software and technology for smart transport ticketing and contactless payment systems, including platforms for mobile ticketing, smart card management, and remote ticket downloads used by…
Serves B2B and public-sector buyers in smart ticketing and payments, including public transport operators, local government bodies, banks and payment providers, plus commercial organisations adopting…
Financial Health
DistressedDistressed · -39% CAGR over 2y
Location
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Operates a digital platform for the specialty insurance market that connects managing general agents and underwriters with reinsurers, insurers and institutional risk capital providers, offering data…
Serves specialty insurance businesses, primarily MGAs and underwriters, plus reinsurers, insurers and institutional investors seeking risk capital partnerships across the insurance value chain.
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Computed from 3 filingsUnderwrites specialty insurance and reinsurance through subsidiaries, offering casualty, property, marine and energy, financial lines, cyber, and accident and health coverage, as well as treaty and…
Serves B2B clients including insurers, reinsurers and commercial organisations in sectors such as healthcare, aviation, marine, energy, financial institutions, property, cyber and casualty.
Financial Health
WeakWeak
Location
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Computed from 5 filingsDevelops and provides software platforms and data services for wealth management and financial advice. Offers tools for portfolio trading, proposal and risk analysis, tax management, direct indexing,…
Serves B2B wealth management customers, including financial advisors, RIAs, asset managers, financial institutions and financial professionals seeking platforms to support client financial advice and…
Financial Health
DistressedDistressed
Location
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Manufactures adhesives, sealants and adhesive‑coated products including hot melt, instant and heat‑activated film adhesives, tapes and elastomers. Supplies bonding and sealing materials for…
Serves B2B manufacturers, converters and trade buyers across aerospace, automotive, construction, packaging, medical, hygiene, electronics, textiles, telecommunications, energy and transportation…
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Develops and provides building technologies including HVAC equipment, building automation and control systems, fire detection and suppression products, security systems, and digital platforms that…
Serves businesses, public-sector bodies and facility operators managing commercial, industrial and institutional buildings, including offices, retail sites, healthcare, education, data centres and…
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Computed from 4 filingsProvides artificial intelligence, machine learning and data analytics consultancy, delivering projects and managed services. Builds and operates cloud-based data platforms and licenses a rapid…
Serves businesses across multiple industry sectors in Europe and the Middle East seeking AI, machine learning, data analytics and AWS cloud expertise.
Financial Health
WeakWeak · 2% CAGR over 3y
Location
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Computed from 5 filingsOperates temperature-controlled warehousing and cold chain logistics facilities for food producers, retailers, and distributors, providing refrigerated storage, inventory handling, transportation…
Serves B2B customers across the food cold chain, including producers, agriculture, dairy, bakery and protein suppliers, consumer packaged goods brands, retailers, food service providers,…
Financial Health
HealthyHealthy · -72% CAGR over 4y
Location
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Computed from 3 filingsProvides temperature-controlled logistics services including cold storage warehousing, port‑centric and automated storage, and transportation solutions such as freight forwarding, drayage, rail, and…
Serves B2B customers in the food supply chain, including food manufacturers, seafood importers, foodservice operators, retailers and distributors needing temperature-controlled warehousing, transport…
Financial Health
DistressedDistressed
Location
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Computed from 3 filingsManufactures multiaxial fibre reinforcement fabrics used in composite materials, including carbon, glass and aramid fibre reinforcements supplied for aerospace, defence, marine and industrial…
Serves B2B customers in commercial aerospace, defence and space, and industrial manufacturing, including OEMs and engineering teams sourcing advanced composite materials and reinforcements.
Financial Health
DistressedDistressed · -97% CAGR over 2y
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Computed from 2 filingsProvides engineering services for the design, construction and development of electronic systems for naval programmes. Develops and supplies naval training systems and simulators, and delivers…
Serves defence and public-sector customers, chiefly the UK Royal Navy and UK naval programmes, including buyers responsible for electronic systems, training systems, support and maintenance for naval…
Financial Health
StrongStrong · Growing · 7% CAGR over 1y
Location
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How Q4 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.
Q4 is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
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Frequently asked questions
How many UK B2B companies use Q4?
What share of UK B2B companies run Q4?
How is Q4 usage detected?
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Can I get contact details for these companies?
Search 84 UK companies by the investor relations technology they run.
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