B2B Companies Using DNN in the UK: 85 Active Firms (2026)
B2B organisations using a web CMS sell products or services to other businesses, in a UK cohort spanning lean mid-market suppliers.
Marketing operations and sales enablement teams tend to own DNN adoption in this cohort, with IT or an external agency keeping the CMS stable behind the scenes. For UK business-to-business suppliers, the system usually supports lead generation, customer education, partner materials and gated technical content rather than consumer checkout. Running it signals a more deliberate web estate than a brochure site: content approval, form capture, analytics, security controls and campaign landing pages have usually become recurring operating needs. Engagements therefore skew towards retained web support, managed hosting and incremental integration work, not only design-led rebuilds.
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Across UK business-to-business suppliers, 85 companies are actively trading while running DNN. Reported employment totals 986 people, so the visible adoption base is small but not just dormant micro-sites. Within the sector’s detected CMS mix, DNN sits near the foot of the ranking at 0.1%, making it a specialist rather than mainstream web-platform choice. The regional profile is also uneven: Yorkshire and The Humber accounts for 25.9% of the cohort, the South East 22.4%, East of England 10.6%, North West 9.4% and London 9.4%.
UK rules attach to the activity using the website, not to a business-to-business label. Financial services, telecoms, data processing and professional services can each bring their own obligations, while marketing workflows sit under ICO guidance on PECR and UK GDPR. PECR covers direct marketing by live or automated calls, electronic mail and fax. Its electronic-mail rule does not apply to “corporate subscribers”, but senders still need clear identity and a valid opt-out address. UK GDPR applies where business-contact personal data is processed, and live marketing calls should be screened against CTPS and TPS as well as internal objection lists.
Use of the platform appears likely to persist where the CMS is embedded in partner portals, technical libraries, approval workflows or managed-hosting contracts. Adoption tends to look sticky rather than expansive: teams with lighter marketing needs can move to simpler hosted builders, while firms with custom integrations face higher switching costs. Privacy controls, consent handling and cleaner contact-data governance have been pushing web teams towards more disciplined campaign plumbing. That favours agencies and managed-service partners able to maintain legacy estates, although new greenfield adoption looks more selective than broad-based.
What’s in the file
One row per company, 50+ columns — everything below plus each company’s verified directors, from Companies House filings.
Company data
Verified directors — included
Active director count is the full Companies House board, so it can be higher than the number of names listed — we leave out nominee and formation-agent directors, who aren’t worth contacting. It’s blank for the small number of companies whose officers we haven’t fetched yet.
You’re charged per business, not per row. Where a business trades through several registered companies you get every one, and the Group Primary column marks one row per business — filter to those and the count matches your invoice. Rows sharing a website are not automatically one business: franchises and multi-site operators each count separately, and where names don’t prove a relationship we count them apart rather than guess.
Adoption by company size
Adoption of DNN varies by company size across the trading UK B2B companies in this cohort. 0.1% of the 76,784 companies with under 10 employees run DNN (56 detected). 0.1% of the 31,788 companies with 10–50 employees run DNN (29 detected). 0% of the 3,773 companies with over 50 employees run DNN (1 detected). That is a 0.1% gap between the over 50 employees and under 10 employees bands.
85
Active firms
2026
0.1%
Of detected CMS share
UK B2B
7
Median headcount
Filed accounts
229
Verified directors
Across this cohort
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Key facts
About 2% of the trading cohort reports turnover above £5M (2 of 85 firms) — the rest sits below that revenue band.
3% of the cohort was incorporated since 2022 (3 firms), so a sizeable share is in its first few filing cycles.
Within 84,139 B2B firms with a detectable CMS, this CMS accounts for 0.1%; the two largest detected systems account for 70.3% and 9.1%.
Registered offices skew towards Yorkshire and The Humber at 25.9% and the South East at 22.4%, ahead of the East of England at 10.6%.
Analytics tagging is the most common adjacent website technology, detected on 48.2% of this CMS-running B2B cohort; 18.8% also use a tag-management layer.
Sector tags overlap, but Construction appears on 20.0% of the cohort, while Field Services & Trades, SaaS and Wholesale & Distribution each appear on 14.1%.
B2B marketing is still covered by PECR for live or automated calls, electronic mail and fax; UK GDPR applies where business-contact personal data is processed.
CMS market share among UK B2B
Share of the 84,139 UK B2B with a detectable system. As of June 2026.
What else do DNN-running B2B run?
Share of the 85 DNN-running UK companies where each technology was also detected. As of June 2026.
Where DNN 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.
7
Median headcount
£635.8K
Median UK turnover
2.4%
Above £5M turnover
3
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 131 businesses, alongside financials and websites, in one Excel + CSV file.
Top UK B2B using DNN
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 5 filingsDevelops cloud and on‑premise software that automates document and finance processes for Microsoft Dynamics systems, including accounts payable automation, invoice capture and approval, expense…
Serves small and medium-sized businesses using Microsoft Dynamics 365 Business Central or NAV, especially finance and operations teams, plus organisations requiring fax or professional services…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Computed from 5 filingsDevelops and supplies SubscriberCRM, a customer relationship management system for charities, associations and other membership organisations. The software manages memberships, fundraising campaigns,…
Serves member-based and not-for-profit organisations, including charities, fundraising teams, trade unions, clubs, institutes, associations, health and wellbeing bodies, and visitor attractions.
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 5 filingsDevelops document control and quality management software. Provides modular systems for document lifecycle management, standards compliance, statistical process control (SPC), CAPA, and APQP,…
Serves B2B quality, compliance and operations teams in manufacturing-led organisations, including automotive, heavy equipment and general manufacturers subject to ISO, IATF, AS, medical device or lab…
Financial Health
StableStable · -65% CAGR over 4y
Location
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Computed from 3 filingsProvides cloud-hosted cashless catering and payment software for schools, colleges, and workplaces, including EPOS tills, pre-order apps, online payments, vending integration, and visitor or staff…
Sells primarily to B2B and education customers, especially schools, colleges, trusts and higher education providers, as well as corporate workplaces needing cashless catering, online payments,…
Financial Health
HealthyHealthy · -4% CAGR over 2y
Location
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Computed from 5 filingsDesigns and manufactures professional microphones and audio equipment, including boundary, gooseneck and ceiling microphones, wireless headsets, handheld microphones, mixers, preamps and USB/Dante…
Sells to B2B and institutional buyers needing professional audio equipment, including AV integrators and organisations outfitting conference rooms, courtrooms, distance learning environments, places…
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides enterprise client feedback and insight platform plus research services collecting real-time client feedback, analysing responses with AI and reporting tools to help professional and…
Serves corporate and leading professional services firms that rely on long-term client relationships, including business leaders managing client experience, retention and growth across international…
Financial Health
StableStable · 2% CAGR over 4y
Location
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Computed from 5 filingsDesigns, develops and hosts airline reservation and inventory management systems, including internet booking engines, IATA e‑ticketing, GDS distribution and integrated airport departure control…
Serves B2B customers in the airline and travel industries, including airlines of all sizes, travel agencies, GDS-connected distributors, interline partners and airport passenger check-in operations.
Financial Health
StableStable · -68% CAGR over 4y
Location
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Computed from 5 filingsDevelops business management software for fleet and workshop operations, stock and sales management, and staff and resource planning. Provides modular systems that integrate operational data and…
Targets B2B operators with vehicle fleets, workshops, inventory and sales teams, including haulage firms, commercial vehicle businesses, industrial suppliers and retailers/wholesalers.
Financial Health
WeakWeak · 2% CAGR over 4y
Location
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- Silverburn Finance (U.K.)00712494
- Silverburn Finance09900333
Financial sub-scores
Computed from 2 filingsProvides invoice factoring services for businesses, advancing up to around 98% of invoice value. Purchases approved invoices and pays clients quickly while managing credit control and collecting…
Serves UK SMEs seeking invoice factoring, especially haulage, manufacturing, recruitment, wholesaling, plant hire and engineering businesses with turnover above £50k and invoices of at least £500.
Financial Health
WeakWeak
Location
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Computed from 5 filingsMarkets and distributes building materials to merchant stockists, including concrete expansion joints, fire protection and building sealing products, fibre boards, foams, frost blankets, and sound…
Sells B2B to builders’ merchants and construction product stockists across the UK and Ireland; design professionals, contractors and private individuals are directed to local stockists.
Financial Health
WeakWeak · -68% CAGR over 4y
Location
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Computed from 5 filingsSupplies protective coating materials and provides coating services for electronic and industrial components, including conformal coating, potting and encapsulation, conductive coatings, and…
Serves B2B customers in electronics and engineering sectors, including automotive, aerospace, military, medical, rail, telecoms, renewable energy, oil and gas, LED lighting, battery power, PCB and…
Financial Health
StableStable · -1% CAGR over 4y
Location
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Computed from 4 filingsManufactures and supplies industrial and domestic adhesives including hot melt and aqueous formulations. Provides labelling adhesives for glass bottles and plastics, and products for packaging,…
Serves B2B industrial buyers, including beverage, packaging and pharmaceutical companies, couriers, bookbinders and product assembly manufacturers needing adhesives for labelling, packaging, seals…
Financial Health
StableStable · 0% CAGR over 3y
Location
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Computed from 5 filingsProvides supply chain consulting services including assessment, strategic design and operational transformation. Advises businesses on sourcing, manufacturing, warehousing and logistics operations,…
Targets businesses and public-sector organisations across sectors that run supply chain, manufacturing, warehousing, logistics or omni-channel operations, including manufacturers, retailers,…
Financial Health
WeakWeak · Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsProvides recruitment and talent consulting services, including executive search, specialist recruitment, and placement of permanent and contract professionals. Also delivers leadership assessment,…
Serves UK businesses and hiring leaders needing recruitment and talent consulting, with sector focus including financial services, finance, HR, legal, life sciences, management consulting, marketing,…
Financial Health
DistressedDistressed · -13% CAGR over 4y
Location
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Computed from 3 filingsSupplies in‑vitro diagnostics products, laboratory instruments, reagents and assay kits for clinical, industrial and research laboratories. Distributes products for immunology, endocrinology,…
Sells to B2B clinical, industrial and research laboratories, plus clinical and life sciences teams. Serves lab buyers needing in-vitro diagnostics, research tools, kits, reagents and instrumentation…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Computed from 5 filingsDesigns and manufactures subsea equipment and protection systems for offshore energy projects, including cable protection systems, buoyancy modules, bend stiffeners, clamps, seals and connectors.…
Serves B2B customers in the offshore oil and gas, offshore wind and marine energy sectors, including subsea contractors, cable/SURF project teams, and operators managing offshore engineering projects…
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 3 filingsDesigns and manufactures sensors and instrumentation for measuring vibration, pressure, force, strain, shock, torque and acoustics. Supplies accelerometers, pressure transducers, microphones, load…
Serves B2B engineering, test and maintenance teams in test laboratories, aerospace and defence, automotive, energy, process manufacturing, infrastructure, mining, water/wastewater and OEM programmes.
Financial Health
WeakWeak · -6% CAGR over 2y
Location
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Computed from 4 filingsDesigns and manufactures high‑precision welding and encapsulation systems for hermetically sealing metal‑can semiconductor and electronic packages. Provides laser, resistance, projection and cold…
Serves B2B engineering and manufacturing teams in semiconductor and electronics packaging, particularly organisations in telecommunications, defence and aerospace working with metal-can semiconductor…
Financial Health
WeakWeak · -3% CAGR over 3y
Location
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Computed from 5 filingsDevelops cardiac monitoring devices and software for clinical research and healthcare, including Holter and wearable ECG recorders, remote cardiac monitoring systems, and ambulatory ECG analysis…
Sells to B2B healthcare and life sciences organisations, including clinical research teams needing cardiac safety monitoring, providers using Holter/ECG and remote cardiac monitoring, and medical…
Financial Health
DistressedDistressed · -5% CAGR over 4y
Location
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Computed from 3 filingsProvides fluid engineering consultancy, research and development, and technical testing services. Conducts computational modelling, product and process optimisation, tracer testing, and waterjet…
Serves industrial B2B clients in complex, regulated markets, including nuclear decommissioning and new build, speciality chemicals, lithium-ion battery manufacturing, emission control catalysts,…
Financial Health
DistressedDistressed
Location
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Computed from 3 filingsDesigns and supplies professional real-time communication systems, including wired and wireless intercoms, IP-based communication platforms, keypanels, beltpack systems, headsets, and related…
Serves professional teams in broadcast, live events, film and TV, sports operations, houses of worship, theme parks, industrial sites, and military, aerospace and government organisations.
Financial Health
StrongStrong · Profitable, Growing · 4% CAGR over 2y
Location
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Computed from 4 filingsDevelops and supplies integrated software systems for ecommerce and mail‑order operations, including order processing, stock control and warehouse management. Provides modular, customisable solutions…
Serves established and growing SME retailers and wholesalers, particularly ecommerce and mail-order businesses across specialist sectors such as food, footwear, audio, photography, baby goods and…
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 3y
Location
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Computed from 3 filingsProvides fire protection and safety compliance services, including fire risk assessments, installation and servicing of fire detection, alarm and suppression systems, electrical safety inspections,…
Serves UK businesses and organisations needing fire safety compliance, including food production, hospitality, housing associations, manufacturers, multi-site operators, residential care providers,…
Financial Health
HealthyHealthy · Hiring · 41% CAGR over 2y
Location
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Computed from 5 filingsProvides cybersecurity and information security consulting for transportation and mobility organisations, including risk assessment, governance and compliance, cyber architecture, identity and access…
Serves B2B organisations in the transportation and mobility sector, particularly airlines, aerospace, rail, automotive, shipping, and courier and logistics businesses seeking cyber and information…
Financial Health
HealthyHealthy · -66% CAGR over 4y
Location
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Computed from 5 filingsProvides an online information and advisory service on UK housing benefit and Universal Credit rules. Offers guidance, case law updates, standard letters and a query service to help housing providers…
Serves social housing landlords, housing associations, local authority housing and benefit teams, and welfare/advice staff supporting tenants with Universal Credit, Housing Benefit, rent arrears and…
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides security systems and services for businesses and organisations. Offers CCTV installation, access control, intruder alarms, and electrical and fire systems, alongside manned guarding,…
Serves large and small organisations across northern England, including commercial premises, estates, facilities teams and event organisers needing security support.
Financial Health
StableStable · -65% CAGR over 4y
Location
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Computed from 3 filingsProvides publishing and marketing services including magazine and book production, graphic design, copywriting, branding, advertising campaigns and digital marketing. Also publishes industry…
Serves businesses of all sizes, from global brands to regional firms and startups, plus advertisers and readers in enterprise technology, cruise and ferry, and golf course architecture sectors.
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StableStable · 0% CAGR over 2y
Location
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Computed from 5 filingsProvides accountancy and advisory services including tax planning, audit, accounts preparation, bookkeeping, payroll, corporate finance, company secretarial support, and business advisory for…
Serves UK businesses of all sizes and private clients, with sector focus on sport, media and entertainment, construction, retail, food and farming, manufacturing, leisure and tourism, not-for-profit…
Financial Health
HealthyHealthy · 0% CAGR over 4y
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Develops, manufactures and markets diagnostic testing products focused on food sensitivity and gut health. Produces immunoassay-based test kits and laboratory diagnostics used by healthcare…
Serves healthcare practitioners, nutrition and functional medicine professionals, and medical laboratories worldwide, with distributors and commercial partners in emerging markets; patients are…
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Computed from 3 filingsDesigns, supplies, installs and maintains fire detection and security systems for commercial premises, including fire alarms, suppression and aspirating systems, intruder alarms, CCTV, access control…
Serves UK businesses needing fire and security systems, from large corporates to smaller local industrial firms, with emphasis on customers in Surrey, Berkshire, Hampshire, London and nationwide.
Financial Health
DistressedDistressed · -3% CAGR over 2y
Location
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Computed from 3 filingsProvides consultancy and investigation services for the health and social care sector, including incident investigations, governance and assurance reviews, human factors and conflict resolution…
Serves organisations in the health and social care sector, including healthcare providers, care services and public-sector bodies responsible for care quality, safety, governance and working…
Financial Health
DistressedDistressed · -13% CAGR over 2y
Location
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Computed from 5 filingsDevelops technology-enabled care systems for adult social care, including the Andi digital hub that connects alarms, sensors and monitoring devices, collects care data, and routes alerts to carers,…
Sells primarily to local authorities, adult social care teams and care providers implementing technology-enabled care, serving elderly and vulnerable people and their support networks through service…
Financial Health
HealthyHealthy · Hiring · 69% CAGR over 4y
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Computed from 3 filingsDistributes oleochemicals and speciality chemicals to manufacturers and industrial users, supplying raw materials used in chemical processing, formulations, and product manufacturing supply chains…
Serves B2B customers in the UK and Ireland that source oleochemicals and speciality chemicals, including industrial manufacturers and chemical formulators.
Financial Health
HealthyHealthy · 0% CAGR over 2y
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- Iridex10502189
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Computed from 5 filingsDesigns and manufactures ophthalmic laser systems and related medical devices for eye treatment. Products include retinal and glaucoma laser platforms, surgical instruments, probes and consumables…
Sells to eye care providers and clinical buyers, including ophthalmologists, retina specialists, glaucoma practices, hospitals, ambulatory surgery centres, and veterinary ophthalmology users seeking…
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
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Computed from 5 filingsDesigns, manufactures and installs resistance welding machinery and automated production lines, including temporary fence welders, grating welders and mesh lines. Provides bespoke machine builds,…
Serves B2B manufacturers and metal fabricators needing resistance welding production equipment, including steel, temporary fencing, grating, mesh, heating and ventilation, and automated production…
Financial Health
WeakWeak · Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsOperates a financial adviser network providing mortgage, protection and general insurance intermediaries with regulatory authorisation support, access to lender and insurer panels, and business…
Serves UK mortgage, protection and general insurance advisers and advice businesses looking to join an adviser network and access provider and lender relationships.
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 4y
Location
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Computed from 5 filingsManufactures ophthalmic surgical instruments for anterior and posterior eye procedures, including micro‑incision forceps, scissors, hooks and intraocular lens tools. Also provides repair services for…
Sells to ophthalmic surgeons, eye hospitals, surgical clinics and ophthalmic companies worldwide involved in anterior and posterior eye surgery, including clinical and procurement teams.
Financial Health
HealthyHealthy · -2% CAGR over 4y
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Computed from 5 filingsProvides development of B2B and B2C eCommerce platforms, including marketplace and auction systems, HIPAA‑compliant portals, and payment processing tools. Also delivers ERP, CRM and EHR integrations,…
Serves businesses running complex ecommerce operations, including manufacturers, wholesalers, marketplaces, auction operators, healthcare providers, pharmacies, labs, and organisations needing…
Financial Health
WeakWeak · -10% CAGR over 4y
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Computed from 5 filingsProvides electrical installation, testing and safety services and fire protection systems for commercial and residential buildings. Supplies electrical equipment and delivers inspection, compliance,…
Serves UK organisations needing building compliance support, from large public and private companies to small businesses and community projects, across commercial, industrial, housing, education,…
Financial Health
HealthyHealthy · -6% CAGR over 4y
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Computed from 5 filingsDesigns and supplies greeting cards to convenience retailers. Provides card ranges, merchandising support, category management, consignment stock supply, and display fixtures, and develops in‑store…
Serves B2B retailers in the convenience sector, particularly independent convenience stores and symbol retailers such as Budgens, Costcutter, Londis, Premier, Spar, Bestway, Todays and Go Local.
Financial Health
WeakWeak · Hiring · 3% CAGR over 4y
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Computed from 4 filingsProvides civil and structural engineering consultancy for building and infrastructure projects. Services include structural and civil design, engineering analysis, environmental advice, and technical…
Serves organisations commissioning building and infrastructure projects, including developers, contractors, architects and property owners across the UK and overseas.
Financial Health
WeakWeak · 0% CAGR over 3y
Location
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Computed from 5 filingsProvides software consultancy, custom software and web application development, and ongoing software support. Designs and builds websites, e‑commerce platforms, branding and digital interfaces, and…
Serves businesses and organisations needing digital products, including creative/media brands, fitness companies and social-impact or utilities projects, with buyers such as business owners, project…
Financial Health
DistressedDistressed · -4% CAGR over 4y
Location
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Computed from 3 filingsManufactures corrugated cardboard boxes and provides bespoke packaging design, prototyping and production. Supplies stock boxes, bags, tape and protective packaging materials, with sampling,…
Serves businesses needing corrugated packaging, including manufacturers, ecommerce sellers, printers, publishers and warehouse operations that require bespoke or stock boxes, bags, tape and…
Financial Health
WeakWeak · -6% CAGR over 2y
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Computed from 5 filingsProvides accountancy and tax advisory services including audit, accounts preparation, bookkeeping, payroll, corporate finance, company secretarial support, and business advisory services for…
Serves UK businesses large and small, business owners and private clients, with sector focus on sport, media, entertainment, construction, retail, manufacturing, food and farming, leisure, tourism,…
Financial Health
StableStable
Location
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Computed from 5 filingsProvides marine consultancy services including ship inspections, audits, and technical assessments for the maritime industry. Uses trained inspectors to evaluate vessel safety, compliance with…
Serves B2B clients in the global marine and shipping sector, including OCIMF-linked organisations, vessel operators and maritime businesses.
Financial Health
StrongStrong · Growing, Hiring · 9% CAGR over 4y
Location
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Computed from 3 filingsProvides heavy haulage and specialist transport services, contract lifting operations, machinery removal and installation, engineering support, industrial storage, and project management for…
Sells to businesses needing heavy haulage, contract lifting, engineering support, industrial storage, machinery removals and project management, particularly firms with large equipment, plant or…
Financial Health
StrongStrong · Growing, Hiring · 13% CAGR over 2y
Location
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Computed from 5 filingsOperates a corporate gifting platform that supplies experience-based gift cards for businesses to reward employees, customers and members. Offers bulk ordering, digital or physical delivery, balance…
Serves businesses and organisations buying corporate gift cards in bulk for employee rewards, customer incentives and member gifting.
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 4y
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Computed from 5 filingsProvides calibration, inspection and load testing services for workshop tools and lifting equipment. Conducts LOLER inspections, hand‑arm vibration testing, maintenance, repairs and installation of…
Serves engineering companies and vehicle workshops across the UK, including automotive, commercial, public services, marine and aviation organisations.
Financial Health
StrongStrong · Growing, Hiring · 9% CAGR over 4y
Location
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Computed from 5 filingsProvides design, manufacture, installation and repair of industrial door systems including roller shutters, sectional overhead doors, folding and sliding doors, fire and security shutters, steel…
Serves operators of industrial, commercial and agricultural premises, including warehouses, business units, loading bays, shop fronts and aircraft hangars, plus some residential garage owners.
Financial Health
StrongStrong · Growing · 1% CAGR over 4y
Location
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Computed from 3 filingsDesigns and installs audiovisual and lighting systems for museums and heritage attractions. Works with architects, exhibition designers and contractors to deliver technical AV, lighting and…
Serves museums, heritage attractions and cultural trusts, working with architects, exhibition designers, content creators, base-build contractors and fit-out contractors involved in visitor…
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
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How DNN 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.
DNN 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 DNN?
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