B2B Companies Using Lumifish in the UK: 82 Active Firms (2026)
B2B companies sell products and services to other organisations while running a detected website technology in the UK.
For B2B suppliers, this detected page-builder sits close to commercial operations: marketing teams use it to maintain service pages, campaign landing pages, enquiry forms and proof-led content without treating the website as a software engineering project. Adoption usually signals a company with an established public funnel, some budget for agency or in-house web administration, and enough sales activity to care about attribution, forms and follow-up workflows. The typical fit is not a consumer app or a very early company, but an organisation selling to procurement, operations, finance or technical buyers through a measurable online presence.
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Across the UK, 82 actively trading companies in the B2B segment are detected running this page-builder technology, making it a relatively small adoption pocket inside the wider B2B web stack. Reported employment totals 1,976 people. Within detected page-builder use in the sector, it accounts for 0.2% of a 32,992-instance category base, placing it ninth in the page-builder category ranking. The regional skew is London-heavy at 26.8%, followed by the East Midlands and South East at 15.9% each; Yorkshire and The Humber accounts for 11.0%, and the East of England for 8.5%.
Running a page-builder does not create a licensing regime in itself. The relevant controls follow the seller’s underlying activity: financial services, telecoms, data processing and professional services can each bring different rulebooks. For B2B marketing, ICO guidance puts live calls, automated calls, electronic mail and fax inside PECR. Electronic mail to corporate subscribers does not need PECR consent, but senders must identify themselves and offer a valid opt-out address. UK GDPR still applies when personal data is processed, including business-contact details, and live calling programmes need CTPS and TPS screening where objections have been registered.
Adoption appears most durable where the public website is a marketing-operations asset rather than a brochure. Business-to-business suppliers with lean web teams tend to favour template-led systems if they need frequent campaign pages, forms and customer proof points without involving engineering. The constraint is dependency on adjacent plugins and hosted-site tooling, which can make migration awkward as compliance, attribution and CRM hand-off needs mature. Larger suppliers may consolidate around broader content and commerce stacks, while smaller firms are likely to keep the same setup until a rebrand, security review or agency change forces a rebuild.
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 Lumifish 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 Lumifish (46 detected). 0.1% of the 31,788 companies with 10–50 employees run Lumifish (29 detected). 0.2% of the 3,773 companies with over 50 employees run Lumifish (7 detected). That is a 0.1% gap between the over 50 employees and under 10 employees bands.
82
Active firms
2026
0.2%
Of detected Page builders share
UK B2B
7
Median headcount
Filed accounts
225
Verified directors
Across this cohort
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Key facts
About 14% of the trading cohort reports turnover above £5M (12 of 82 firms) — the rest sits below that revenue band.
7% of the cohort was incorporated since 2022 (6 firms), so a sizeable share is in its first few filing cycles.
B2B companies running this page-builder system account for 0.2% (82) of detected page-builder use within the sector, from a denominator of 32,992 companies with a detectable system.
Registered offices skew towards London at 26.8% (22), followed by the East Midlands and the South East at 15.9% (13) each.
Every detected site in the cohort also runs the underlying website-platform marker at 100.0% (82), while the most common add-on widget marker appears on 48.8% (40).
The tag mix is led by Advanced Manufacturing at 23.2% (19), Construction at 20.7% (17), and Field Services & Trades at 14.6% (12); tags overlap.
B2B marketing is not licensed as one UK industry; PECR, UK GDPR and ICO guidance apply according to activities such as electronic mail, live calls and processing business-contact data.
Page builders market share among UK B2B
Share of the 32,992 UK B2B with a detectable system. As of June 2026.
What else do Lumifish-running B2B run?
Share of the 82 Lumifish-running UK companies where each technology was also detected. As of June 2026.
Where Lumifish 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
£1M
Median UK turnover
14.6%
Above £5M turnover
6
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 138 businesses, alongside financials and websites, in one Excel + CSV file.
Top UK B2B using Lumifish
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 filingsProvides financial crime compliance consultancy and RegTech tools for financial institutions, including AML/CTF, sanctions and bribery risk advisory, regulatory assurance reviews, investigations and…
Serves B2B clients in financial services, including Tier 1 banks, European banks, challenger banks, e-money institutions and law firms, primarily compliance, sanctions, risk and payment operations…
Financial Health
WeakWeak · Hiring · 29% CAGR over 2y
Location
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Develops and provides ERP software for manufacturing job shops, integrating estimating, project and job management, engineering workflows, purchasing, assembly tracking, shipping, invoicing and…
Sells to B2B manufacturing companies, especially job shops and complex production environments that need job costing, project management and shared operational data across teams.
Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 4 filingsProvides creative communications and marketing services including social media management, public relations, influencer partnerships, and experiential marketing campaigns. Works with brands in…
Serves B2B brand and marketing teams in sports, tech, lifestyle and marine sectors, including consumer brands, events, yacht clubs and destination or hospitality organisations.
Financial Health
StableStable · -23% CAGR over 3y
Location
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Financial sub-scores
Computed from 4 filingsManufactures vacuum pumps, diaphragm pumps, compressors, air blowers and water pumps using technologies such as rotary diaphragm, rocking piston and linear pumps. Supplies pumping equipment for…
Sells primarily to OEMs, pump buyers and engineers in medical devices, wastewater, food and beverage, drinks dispense, gas detection, HVACR and industrial markets, plus aquatic and hydroponic users…
Financial Health
StrongStrong · Profitable, Growing · 1% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides executive search and leadership advisory services, including interim management recruitment, market mapping, compensation benchmarking, board advisory, and leadership assessment, focusing on…
Serves boards, CEOs and HR leaders at companies and investors in aviation, aerospace, hospitality, healthcare, private equity, retail, consumer goods, energy transition, transport and logistics…
Financial Health
StrongStrong · Growing, Hiring · 17% CAGR over 4y
Location
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Computed from 4 filingsProvides a digital communications platform for primary debt capital markets, enabling underwriters and institutional investors to exchange structured deal data, documentation, orders and allocation…
Serves institutional investors and underwriters involved in global primary bond issuance, including investment grade, emerging market, sovereign, supranational, agency and high-yield fixed income…
Financial Health
StrongStrong · Hiring · 34% CAGR over 3y
Location
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Computed from 5 filingsDevelops air quality monitoring hardware and software, including Zephyr sensors and MappAir modelling tools. Provides real-time pollution measurement, data platforms and forecasting used by local…
Serves public-sector bodies and organisations focused on air quality, including local authorities, smart city teams, transport/ITS operators, schools, construction firms and industrial sites.
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsProvides implementation, support, training and consultancy for Pegasus Opera 3 and Infor SunSystems accounting and ERP software. Also offers payroll, procurement and cloud hosting solutions, IT…
Serves UK businesses using or evaluating Pegasus Opera, Infor SunSystems, Zahara and related ERP, accounting, payroll and cloud systems, including finance teams in construction, manufacturing and…
Financial Health
HealthyHealthy · -8% CAGR over 4y
Location
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Computed from 5 filingsProvides digital, data and technology consulting and implementation services for government departments and public sector bodies. Delivers cloud platforms, business applications, data and AI…
Serves UK public sector organisations, including central government departments, agencies, regulators and public bodies seeking digital, data and technology transformation support.
Financial Health
StableStable · Hiring · 45% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsSupplies speciality chemical raw materials for UV‑curing applications, including photoinitiators, monomers and oligomers used in coatings, adhesives, electronics and printing. Also distributes…
Serves B2B manufacturers and formulators in UV-curing markets, including graphic arts, coatings, electronics, adhesives and 3D printing, plus food, feed, cosmetics, pharmaceutical and industrial…
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
Location
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Computed from 5 filingsProvides reliability engineering and asset management services, including condition monitoring, predictive and preventive maintenance programmes, vibration analysis training, and consulting. Develops…
Serves B2B industrial operators with physical assets, including manufacturing, pharmaceutical, nuclear, petrochemical, FMCG and polymer expansion businesses, particularly maintenance, reliability and…
Financial Health
StrongStrong · Growing, Hiring · 25% CAGR over 4y
Location
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Computed from 5 filingsProvides international freight forwarding and logistics services including air, sea and road transport, ocean consolidation, customs brokerage, express courier and project cargo handling, plus…
Serves businesses engaged in international trade, including importers, exporters and companies moving cargo worldwide, especially those needing UK, European, North American and global supply chain…
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
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Computed from 4 filingsManufactures corrugated cardboard packaging for the fruit and vegetable sector, including punnets, trays, cartons and shelf‑ready packaging. Provides packaging design, bespoke packaging solutions,…
Sells to businesses in the fruit and vegetable sector, plus other companies needing corrugated cardboard packaging, shelf-ready packaging, pallets and recycling services, including buyers requiring…
Financial Health
StableStable · Profitable · -3% CAGR over 3y
Location
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Computed from 5 filingsProvides media planning, buying and campaign management services for brands and public sector organisations. Uses data analysis and marketing science to develop advertising strategies and manage…
Serves brands and organisations in commercial and public sectors, including healthcare, transport, financial/debt services and recruitment-focused employers targeting UK audiences.
Financial Health
WeakWeak · 122% CAGR over 3y
Location
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Computed from 3 filingsProvides data engineering and business intelligence consultancy, including data strategy and architecture design, data warehouse and source system migration, testing services, and managed data…
Sells to businesses building or modernising data platforms, especially data, BI and analytics teams needing consultancy, training, managed services or migration support. Also serves data…
Financial Health
WeakWeak · Hiring · 7% CAGR over 2y
Location
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Computed from 5 filingsManufactures and supplies continuously reinforced precast concrete piles for foundation and ground engineering projects. Produces square‑section piles in various lengths, along with pile joints and…
Serves B2B construction and civil engineering customers in the UK, particularly contractors and project teams requiring driven precast concrete piling for foundation works.
Financial Health
WeakWeak · -3% CAGR over 4y
Location
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- CMB Engineering08860245
Financial sub-scores
Computed from 5 filingsProvides engineering contracting services including mechanical and electrical installation, facilities management, maintenance, pre-construction support, cleanroom and process installation. Manages…
Serves B2B project owners, main contractors and facility managers across Wales and the UK, particularly in industrial, cleanroom, semiconductor, renewables and commercial facilities sectors.
Financial Health
WeakWeak · -5% CAGR over 4y
Location
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Computed from 5 filingsProvides managed IT services including IT support, consultancy, cybersecurity, and cloud solutions. Also supplies managed print services and print management software, and delivers hosted business…
Serves UK businesses of all sizes across varied industries, targeting organisations seeking a single supplier for workplace technology, including IT, print and telephony procurement and support.
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
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Computed from 2 filingsDistributes bathroom products and fixtures to the building trade, supplying brands including Alca, Aqualisa, Bette, Carron, Grohe, Lefroy Brooks and VitrA. Also manufactures and supplies products…
Serves bathroom retailers, plumbers, builders and other building trade customers across the UK buying branded bathroom products for residential and commercial projects.
Financial Health
StableStable · Profitable · -7% CAGR over 1y
Location
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Computed from 5 filingsManufactures industrial safety equipment including aluminium and steel machine guarding, enclosures, fabrications, and roller doors. Provides site surveys, risk assessments, bespoke design,…
Serves B2B industrial facilities and manufacturers needing workplace safety and machine guarding support, including engineering, production and compliance teams managing machinery safety, PUWER, UKCA…
Financial Health
StableStable · Hiring · 11% CAGR over 4y
Location
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Computed from 4 filingsProvides specialist construction services including concrete placement and finishing, reinforced concrete works, groundworks and repairs, concrete cutting, drilling and demolition, installation of…
Targets developers, principal contractors and rail-sector organisations across the UK, including construction sites and London Underground projects that buy specialist subcontracting capacity and…
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 3y
Location
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Computed from 3 filingsProvides consulting and implementation services for Microsoft Power Platform, including Power Apps, Power Automate, Power BI and Dynamics 365 for Sales. Develops custom business applications,…
Serves B2B and public/third-sector organisations adopting Microsoft Power Platform, including IT leaders and business teams in food, logistics, housing, education and other sectors.
Financial Health
StrongStrong · Hiring · 73% CAGR over 2y
Location
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Computed from 4 filingsProvides project and programme management services for property and construction developments. Services include project management, development monitoring, feasibility studies, contract…
Serves public and private-sector clients in the UK property and construction market, including sport and leisure bodies, corporate and commercial developers, central and local government,…
Financial Health
StrongStrong · Growing, Hiring · 29% CAGR over 3y
Location
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Computed from 5 filingsDesigns, supplies and installs warehouse storage systems including pallet racking, mezzanine floors, cantilever and drive‑in racking. Provides layout consultancy, racking inspections, repairs,…
Serves UK businesses with warehouses and industrial facilities, including large corporates needing pallet racking, storage fit-outs, inspections, repairs and safety training.
Financial Health
StrongStrong · Growing, Hiring · 50% CAGR over 4y
Location
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Computed from 5 filingsManufactures and installs building envelope systems including cladding and façade solutions for residential, student accommodation, commercial and infrastructure developments. Provides product…
Serves UK construction clients, including developers, main contractors and housing providers delivering residential, student accommodation, commercial and infrastructure projects.
Financial Health
HealthyHealthy · -46% CAGR over 6y
Location
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Computed from 5 filingsProvides commercial electrical compliance testing and inspection, including fixed wire (EICR), PAT, thermal imaging and emergency lighting tests. Also delivers passive fire protection services such…
Serves businesses, facilities managers and public-sector organisations across the UK, including education, healthcare, property, retail, leisure and utilities clients responsible for workplace safety…
Financial Health
StrongStrong · Growing, Hiring · 9% CAGR over 4y
Location
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Computed from 3 filingsSupplies motors, control systems, safety brakes and accessories for automation of industrial doors, roller shutters, garage doors and window blinds. Products include tube motors, control panels and…
Serves UK trade customers in the door, shutter, garage door, blinds and gate automation sectors, including installers, fabricators, manufacturers and contractors needing motors, controls, accessories…
Financial Health
StrongStrong
Location
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Computed from 3 filingsImports, trades, and distributes food and feed ingredients for B2B markets, including oilseeds, peanuts, pulses, grains, dry fruits, and bird feed. Sources products globally and manages logistics,…
Serves B2B customers across Europe in the food and animal feed industries, including manufacturers, feed producers, bird feed retailers, retail chains and shops needing conventional or organic…
Financial Health
StrongStrong · Growing, Hiring · 22% CAGR over 2y
Location
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Computed from 5 filingsProvides engineering services for refinery and petrochemical plant shutdowns and turnarounds, including column and vessel replacement, mechanical construction, specialist welding, maintenance and…
Serves B2B operators and project teams in oil and gas, refining, petrochemical, chemicals, beverage production and data centres, particularly sites needing shutdown, turnaround, outage, maintenance…
Financial Health
StrongStrong · Profitable, Hiring · 15% CAGR over 4y
Location
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Computed from 5 filingsSupplies and trades aircraft evacuation slides and aviation components for commercial aircraft, focusing on Airbus and Boeing platforms. Provides component sales, exchanges and loans, repair…
Serves commercial airlines and aviation aftermarket organisations worldwide, particularly operators and maintenance buyers managing Airbus and Boeing fleets.
Financial Health
HealthyHealthy
Location
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Computed from 5 filingsProvides construction services as a principal contractor, delivering refurbishment and new‑build projects. Works on schools, housing, commercial buildings, healthcare facilities, heritage properties…
Serves public and private-sector clients commissioning projects in education, commercial, health, heritage, housing and community facilities across London, the Home Counties and wider South East…
Financial Health
WeakWeak · -4% CAGR over 4y
Location
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- Metalcraft Projects08818251
- Metalcraft Precision Engineering10362352
Financial sub-scores
Computed from 5 filingsProvides metal fabrication and precision engineering services, including laser cutting, CNC milling and turning, pipe welding, metal bending, grinding and finishing. Also undertakes construction and…
Serves UK businesses in manufacturing, engineering, construction and commercial property, including buyers of fabricated or machined metal components and project support.
Financial Health
StableStable · -3% CAGR over 4y
Location
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Computed from 4 filingsDevelops EMV testing tools and supplies test cards for payment terminal and acquirer systems. Provides automated testing software and testing and certification services for POS and ATM devices used…
Serves payment industry businesses worldwide, including acquirers, POS and ATM terminal vendors, merchants, processors, and QA/testing teams needing EMV certification support for schemes such as…
Financial Health
StableStable · -1% CAGR over 3y
Location
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Computed from 3 filingsProvides managed print services for businesses, including printer fleet assessments, print audits, contract analysis and print management software. Supplies and supports office printers and…
Sells to businesses across the UK needing managed print services, printer fleet oversight and print cost control, including organisations seeking reprographics equipment, print software and secure ID…
Financial Health
DistressedDistressed · 0% CAGR over 2y
Location
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Computed from 3 filingsDevelops and distributes vehicle telemetry devices and operates a connected car data platform. Collects and analyses vehicle diagnostic and trip data to provide predictive breakdown detection, fleet…
Serves B2B roadside assistance providers and mobility organisations across Europe that manage connected-car customer services, breakdown operations, and vehicle uptime programmes.
Financial Health
DistressedDistressed · Hiring · 7% CAGR over 2y
Location
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Computed from 5 filingsProvides contract manufacturing, filling and packaging services for liquid-based products including creams, gels, pastes and emulsions for pharmaceutical, healthcare, veterinary, cosmetics and…
Serves B2B clients in the UK and Ireland needing contract manufacturing and packaging, particularly pharmaceutical, healthcare, veterinary, toiletries and cosmetics brands.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Computed from 5 filingsDevelops AI-based retail planning software that forecasts product demand and provides pricing, promotion, buying, allocation and replenishment recommendations. The platform analyses sales and…
Serves B2B retail merchandising, planning and buying teams at brands and retailers, particularly in apparel, accessories, leisure, home, furniture, sporting goods and beauty.
Financial Health
HealthyHealthy · Hiring · 26% CAGR over 4y
Location
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Computed from 5 filingsWholesale horticultural grower producing herbaceous perennials, shrubs and annual bedding plants. Supplies garden centres and retail chains, and provides plant labelling, pre-pricing, point‑of‑sale…
Serves B2B garden retail customers, including independent garden centres, multi-site garden centre groups, retail chains and other retail outlets nationwide.
Financial Health
HealthyHealthy · -3% CAGR over 4y
Location
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Computed from 5 filingsManufactures and supplies lock cylinders and master key systems for security hardware applications. Provides ARC cylinders, bespoke master‑keyed suites, restricted or semi‑restricted key profiles,…
Serves B2B buyers such as locksmiths, key cutting centres, architectural ironmongery distributors, and organisations specifying master-keyed or anti-ligature door security hardware for projects.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Computed from 5 filingsManufactures custom springs and wire forms, including compression, extension, torsion and bespoke shapes, produced from various metals to customer specifications. Also provides waterjet cutting and…
Serves B2B manufacturers worldwide in aerospace, automotive, defence, medical devices, marine, security, electrical and electronic components, renewable energy, sports and leisure, hobby and toy…
Financial Health
StableStable · -68% CAGR over 4y
Location
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Computed from 5 filingsManufactures mattresses and bed‑in‑a‑box sleep products and produces specialist foam components. Provides contract textile services including multi‑needle quilting, sewing, mattress and pillow…
Serves B2B customers including mattress and bedding brands, retailers, homewares chains and fashion/lifestyle brands seeking private-label sleep products, specialist foam, quilting and bespoke sewn…
Financial Health
StrongStrong · Growing, Hiring · 24% CAGR over 4y
Location
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Computed from 4 filingsProvides industrial and mechanical insulation services for heavy industry, including installation, maintenance and repair of thermal insulation systems. Designs and fabricates removable insulation…
Serves B2B heavy industrial facility operators and project teams in refining, chemical, power, pulp and paper, and LNG, including capital construction, turnaround and maintenance environments.
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 3y
Location
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Computed from 5 filingsProvides temporary traffic management services for civil engineering and infrastructure works, including traffic control planning, Chapter 8‑compliant designs, CAD drawings, road closures, signage,…
Serves B2B clients in UK civil engineering and construction, particularly contractors and infrastructure teams involved in road, railway and utilities repair, maintenance and renewal projects.
Financial Health
StableStable · Hiring · 4% CAGR over 4y
Location
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Computed from 3 filingsProvides engineering and consulting services for offsite and traditional construction, including structural engineering and BIM, building physics and performance analysis, sustainability assessment,…
Serves B2B clients in offsite and traditional construction, including MMC providers, building product and system manufacturers, developers, contractors, and project teams needing engineering,…
Financial Health
StrongStrong · Hiring · 41% CAGR over 2y
Location
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Computed from 5 filingsProvides recruitment and staffing services, connecting employers with job seekers. Sources and places candidates in roles across manufacturing, construction, logistics, and office and administrative…
Serves employers with staffing needs and candidates seeking work across the region, especially in manufacturing, construction, logistics, and office/admin roles.
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsProvides property construction, refurbishment and maintenance services including reactive repairs, building renovation, fit-out, groundworks, landscaping and heritage restoration for housing…
Serves housing providers, local authorities, commercial property clients, schools, universities, care and hospital operators, and government/public sector bodies across the South East, plus some…
Financial Health
StrongStrong · Growing, Hiring · 16% CAGR over 4y
Location
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Computed from 4 filingsProvides specialist electrical contracting for critical power systems, including installation of uninterruptible power supplies (UPS), generators, LV switchgear and DC batteries, along with…
Serves organisations with critical power needs, including military departments, hospitals, food and dairy producers, industrial facilities and other commercial sites where operational uptime is…
Financial Health
StrongStrong · Growing · 0% CAGR over 3y
Location
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Financial sub-scores
Computed from 4 filingsProvides recruitment services for employers, sourcing candidates for business support roles including HR, finance and accounts, administration, customer service, and sales and marketing. Handles…
Serves SME and corporate employers in Solihull, Birmingham and Warwickshire hiring business support staff across HR, finance, administration, customer service, sales and marketing, plus jobseekers in…
Financial Health
StrongStrong · Hiring · 76% CAGR over 3y
Location
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Computed from 5 filingsManufactures educational and event furniture including school chairs, stools, folding chairs, tables, exam desks and trolleys. Supplies classroom furniture ranges and related accessories to…
Sells B2B through distributors to schools and other education buyers, plus organisations fitting out classrooms, exam spaces, science labs, IT suites, workshops and offices. Also serves event…
Financial Health
StrongStrong
Location
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Computed from 5 filingsProvides experiential learning and development programmes for organisations, including leadership development, team performance workshops, team‑building events, wellbeing initiatives, and business…
Serves businesses and other organisations, targeting senior leaders, HR and L&D teams, managers and employee cohorts across multiple sectors.
Financial Health
StrongStrong · Hiring · 26% CAGR over 4y
Location
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How Lumifish 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.
Lumifish 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
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What share of UK B2B companies run Lumifish?
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