B2B Companies Using Onyx Sites in the UK: 52 Active Firms (2026)
B2B companies running a detected website platform sell products or services to other organisations across the UK.
For business-to-business suppliers, this detected site-management platform is less about consumer self-service than about maintaining a credible commercial front door: service pages, enquiry capture, proof points and routing into sales follow-up. Usage tends to signal a company with defined marketing ownership, some external web-agency support, and a need to keep content changes under operational control rather than waiting on bespoke development. The cohort’s fit sits around mid-market suppliers selling commercial services, data, telecoms, software or specialist expertise to corporate buyers, where the website supports lead generation, procurement checks and post-contact reassurance rather than completing the transaction online.
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UK adoption is narrow: 52 trading companies are detected running this platform. Within the detected page-builder category, it sits ninth, at 0.2% of 32,996 detections, so the installed base is a long-tail one rather than a mainstream platform choice. Employment footprint is modest but visible, with 733 reported employees across the cohort. Regionally, adoption skews towards the South East at 21.2%, followed by the South West and London at 11.5% each, the East Midlands at 9.6%, and Scotland at 7.7%.
Business-to-business sellers using a detected site platform face regulation through their underlying activity rather than through a single sector licence. Financial services, telecoms, data processing and professional services each bring different obligations, but commercial websites tend to create common issues around enquiry forms, analytics tags, cookie choices and marketing follow-up. The ICO position on PECR matters here: business emails or texts to corporate subscribers do not require PECR consent, although senders must identify themselves and provide a valid opt-out address. UK GDPR still applies where business-contact personal data is processed, and live marketing calls should be screened against CTPS and TPS where relevant.
Adoption appears likely to remain tied to agency relationships, website refresh cycles and the cost of moving established content libraries. Companies running this platform tend to look operational rather than experimental: they need dependable brochure content, forms, tracking and sales hand-off, but may not have a large internal web engineering team. Migration pressure is likely to come from content-management consolidation, security maintenance and bundled marketing suites. That points to gradual churn rather than a clear break, with smaller suppliers keeping familiar stacks while more commercially mature operators standardise around tools that sit closer to sales operations.
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 Onyx Sites varies by company size across the trading UK B2B companies in this cohort. 0% of the 76,784 companies with under 10 employees run Onyx Sites (32 detected). 0.1% of the 31,788 companies with 10–50 employees run Onyx Sites (19 detected). 0% of the 3,773 companies with over 50 employees run Onyx Sites (0 detected).
52
Active firms
2026
0.2%
Of detected Page builders share
UK B2B
7
Median headcount
Filed accounts
119
Verified directors
Across this cohort
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Key facts
About 1% of the trading cohort reports turnover above £5M (1 of 52 firms) — the rest sits below that revenue band.
3% of the cohort was incorporated since 2022 (2 firms), so a sizeable share is in its first few filing cycles.
Among B2B companies with a detectable page-builder system, this platform accounts for 0.2% (52) of a 32,996-company denominator.
The two largest detected page-builder systems in the same B2B base account for 46.8% (15,432) and 14.0% (4,621), leaving this platform in a long-tail position.
Co-detected web tools point to a standard small-business stack: a content-management layer appears on 100.0% (52), while analytics and bot-screening tools each appear on 57.7% (30).
Registered-office concentration is highest in the South East at 21.2% (11), followed by the South West and London at 11.5% (6) each.
B2B marketing sits under ICO oversight: PECR covers direct marketing by live or automated calls, electronic mail and fax, and UK GDPR applies where business-contact personal data is processed.
Page builders market share among UK B2B
Share of the 32,996 UK B2B with a detectable system. As of June 2026.
What else do Onyx Sites-running B2B run?
Share of the 52 Onyx Sites-running UK companies where each technology was also detected. As of June 2026.
Where Onyx Sites 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
£826.3K
Median UK turnover
1.9%
Above £5M turnover
2
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 87 businesses, alongside financials and websites, in one Excel + CSV file.
Top UK B2B using Onyx Sites
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 filingsDesigns and installs smart building and IT infrastructure systems, including structured data cabling, PoE lighting, building sensors, wireless networks, security systems, AV and analytics dashboards,…
Serves businesses of all sizes across the UK, particularly organisations managing offices, workspaces and commercial buildings that need connected, secure and energy-efficient infrastructure.
Financial Health
StrongStrong · Hiring · 7% CAGR over 4y
Location
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Computed from 3 filingsProvides Sage Intacct cloud accounting and financial management software, including system implementation, configuration, integration and ongoing support. Advises organisations on financial…
Serves finance teams and CFOs at mid-sized and growing organisations, particularly in health and dental, hospitality, leisure, travel and tourism, non-profits, and recruitment.
Financial Health
HealthyHealthy · -12% CAGR over 2y
Location
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Computed from 4 filingsProvides bespoke software development, web and mobile application development, and IT consultancy. Builds APIs, data warehouses and e‑commerce systems, migrates legacy platforms, supplies dedicated…
Serves businesses needing bespoke software, mobile apps, systems integration, legacy migration, network services or outsourced development teams, including organisations with existing IT systems and…
Financial Health
StableStable · -7% CAGR over 3y
Location
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Computed from 5 filingsDevelops ESG management and reporting software that helps organisations track, measure and report sustainability performance. Also provides ESG consulting, carbon footprint analysis, supply chain…
Serves businesses and organisations seeking ESG and sustainability support, including companies managing internal reporting, investment or property portfolios, supply chains, and hospitality…
Financial Health
HealthyHealthy · Hiring · 37% CAGR over 4y
Location
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Computed from 5 filingsSupplies office equipment and managed workplace services including printers, photocopiers, franking machines, telecoms and broadband systems, document management software, IT support, office…
Serves office-based businesses, targeting owners, office managers, facilities and operations teams seeking suppliers for workplace equipment, office technology, supplies and managed office services.
Financial Health
StableStable · -1% CAGR over 4y
Location
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Computed from 5 filingsManufactures custom branded promotional products including printed balloons, bunting, handwaving flags, food flags, paper hats, windmills and promotional sashes. Also provides balloon decoration,…
Sells to B2B marketing and operations teams at high street retailers, supermarkets, restaurants, events companies and larger brands running promotional campaigns, store openings and branded customer…
Financial Health
WeakWeak · -1% CAGR over 4y
Location
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Computed from 4 filingsProvides data analytics and digital performance consultancy, including data collection implementation, customer segmentation, performance analytics, reporting and visualisation, digital data…
Serves businesses undertaking large-scale, data-driven digital transformation, including organisations in ecommerce and pharmaceuticals. Targets decision-makers responsible for digital, omnichannel,…
Financial Health
StrongStrong · Hiring · 44% CAGR over 3y
Location
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Computed from 4 filingsSupplies industrial machinery including CNC routers, CO₂ and fibre laser cutters and engravers, press brakes, guillotines, digital cutting tables, and laser welding systems. Also provides…
Serves manufacturers, fabricators, sign makers, education providers and craft businesses, from small workshops to larger industrial operations in the UK and overseas.
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsDesigns and supplies tapered insulation systems for flat roofing, including EPS, PIR, stone wool, VIP and Foamglas materials. Provides roof insulation layout design, U‑value calculations,…
Serves B2B construction-sector clients, including roofing contractors, specifiers and project teams working on new-build and refurbishment roofing projects.
Financial Health
StrongStrong · Hiring · 12% CAGR over 4y
Location
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Computed from 5 filingsProvides commercial debt collection and recovery services for UK and international B2B debts. Also offers credit management support, outsourced credit control, credit policy audits, insolvency claim…
Serves B2B organisations of all sizes with unpaid invoices, overdue receivables or credit-control needs, including UK and international businesses and finance teams managing commercial debt or…
Financial Health
StableStable · -3% CAGR over 4y
Location
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Provides legal services including commercial contracts, corporate law, employment, immigration, dispute resolution, data privacy, and intellectual property. Advises charities, social enterprises,…
Serves B2B and public/third-sector clients, especially charities, not-for-profits, social enterprises, impact investors, public bodies, professional bodies, education, culture and creative…
Location
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Provides executive search and leadership advisory services, recruiting board and senior executives for organisations and investors. Also supplies interim leaders, conducts leadership assessments, and…
Serves business owners, investors and senior leaders seeking board and C-suite talent, across sectors including private equity, family businesses, financial services, consumer, energy, industrials,…
Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 3 filingsManufactures metal pressings and stampings including drawn cups, stamped blanks, washers, panels and covers. Provides tooling, plating and surface treatments, and assembly services, supplying…
Serves B2B OEMs and supply-chain buyers in aerospace, automotive, medical, white goods and yellow goods markets, including customers requiring certified global component supply.
Financial Health
WeakWeak · 2% CAGR over 2y
Location
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Computed from 3 filingsProvides data intelligence and analytics platforms for the insurance sector, aggregating multi‑source data and applying rules and models to support pricing, underwriting, fraud detection, claims…
Serves B2B insurance market customers, including insurers, brokers, MGAs and comparison sites across private car, commercial vehicle and household insurance lines.
Financial Health
DistressedDistressed · -18% CAGR over 2y
Location
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Computed from 5 filingsProvides cyber security services including penetration testing, red teaming, cloud security assessments, incident response, remediation, governance, risk and compliance consulting, and managed…
Serves organisations globally, including businesses of all sizes and public-sector bodies, with buyers such as security, IT, risk and governance leaders responsible for cyber resilience.
Financial Health
StrongStrong · Growing, Hiring · 23% CAGR over 4y
Location
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Computed from 5 filingsDesigns and manufactures rugged LCD touchscreen monitors, flat panel displays, panel PCs, consoles and power supply modules. Supplies waterproof, sunlight‑readable and sealed displays for industrial,…
Sells to B2B and public sector buyers needing rugged display systems, including military, marine, aviation, construction, manufacturing, broadcast and university applications, plus search and rescue…
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
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Computed from 5 filingsDevelops bespoke enterprise software and cloud‑based SaaS solutions. Provides software architecture, development, system integration, testing and documentation, and can embed developers within client…
Serves B2B enterprise clients and software teams needing mission-critical bespoke cloud/SaaS solutions, including organisations in retail, technology and aviation with complex or time-critical…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides installation, maintenance and monitoring of fire safety, security and electrical systems for commercial buildings, including fire alarms, extinguishers, sprinkler systems, intruder alarms,…
Serves B2B customers responsible for commercial buildings, including facilities and premises managers, landlords and business owners, with emphasis on Essex and London.
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 5 filingsDesigns, distributes and sells flat panel display equipment and components, including industrial monitors, digital signage screens, high‑brightness and outdoor displays, embedded panel PCs,…
Serves B2B buyers including OEMs, systems integrators and product teams in industrial, retail digital signage, casino/gaming, medical and embedded technology markets.
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsProvides managed IT support and cybersecurity services for businesses, including helpdesk support, device and network management, Microsoft 365 and Google Workspace administration, AI and cloud…
Serves B2B customers with 20+ employees, mainly businesses in Bristol, the South West and across the UK that need managed IT, cyber security, AI support and digital compliance.
Financial Health
StableStable · -3% CAGR over 4y
Location
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Computed from 3 filingsDevelops AI-powered learning and capability management software that aggregates and tags training content from systems such as LMS, HRIS and collaboration tools, delivering personalised guidance,…
Serves enterprise and government organisations, particularly L&D, HR and capability teams managing large workforces, compliance needs, skills programmes and learning technology ecosystems.
Financial Health
DistressedDistressed · -23% CAGR over 2y
Location
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Computed from 5 filingsProvides a no-code data capture platform that converts paper forms into digital workflows. Offers tools to build forms, collect data via mobile and web apps, manage submissions, generate reports, and…
Serves businesses of all sizes, including small firms and teams in agriculture, arboriculture, electrical engineering, facilities management, fire safety, production, water compliance and business…
Financial Health
StrongStrong · Growing, Hiring · 50% CAGR over 4y
Location
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Computed from 5 filingsProvides creative marketing services for film and entertainment releases, producing video, artwork and animation for campaigns. Services include design, motion graphics, 3D animation, video editing,…
Serves B2B marketing teams at film studios, TV networks, streaming platforms and entertainment distributors, including large entertainment brands launching theatrical, broadcast and digital releases.
Financial Health
HealthyHealthy · Growing, Hiring · 6% CAGR over 4y
Location
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Computed from 3 filingsProvides professional and managed IT security services focused on Fortinet technologies. Designs, deploys, and supports firewalls, SD‑WAN, SASE, and related network security systems, including…
Serves organisations with Fortinet environments, especially complex, multi-site or high-availability networks, plus UK channel partners needing white-labelled Fortinet expertise for their customers.
Financial Health
HealthyHealthy · Hiring · 41% CAGR over 2y
Location
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Computed from 5 filingsProvides air and noise pollution monitoring systems using sensor networks and integrated cameras to measure particulates and gases, identify pollution sources, and generate compliance reports,…
Serves B2B and public sector organisations managing urban pollution risks, including construction firms, NHS trusts, local authorities, industrial waste operators and transport infrastructure owners.
Financial Health
DistressedDistressed · -72% CAGR over 4y
Location
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Computed from 5 filingsProvides ICT consultancy, IT support and infrastructure services for businesses, schools and public sector organisations. Delivers software and website development, cyber security, connectivity, and…
Serves UK businesses, schools, colleges, public-sector bodies and infrastructure organisations, including education leaders and internal IT teams needing outsourced, co-managed or project-based ICT…
Financial Health
HealthyHealthy · Hiring · 21% CAGR over 4y
Location
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Computed from 5 filingsProvides procurement and purchasing services for organisations, sourcing food, housekeeping supplies, furniture and equipment. Offers supplier evaluation, cost control reviews, and spend analysis…
Serves B2B and public-sector budget holders in care homes, hospitality, education, healthcare, hospitals and leisure venues that need to manage foodservice, housekeeping, furniture and equipment…
Financial Health
StableStable · -68% CAGR over 4y
Location
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Computed from 4 filingsProvides workplace pension services for employers, including pension scheme setup, scheme reviews, regulatory and compliance support, and salary sacrifice arrangements. Advises corporate clients on…
Serves corporate clients and employers needing workplace pension and benefits support, including organisations managing employee pension schemes and compliance obligations.
Financial Health
StableStable · -16% CAGR over 3y
Location
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Computed from 3 filingsProvides marketing and campaign support services including creative design, print procurement, direct mail production, exhibition stand services, branded merchandise sourcing, and fulfilment and…
Serves B2B marketing teams and brand managers across the UK, particularly in education, technology, retail and healthcare organisations seeking agency support for campaigns, events and promotional…
Financial Health
StrongStrong · Growing · 3% CAGR over 2y
Location
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Computed from 3 filingsProvides ecological consultancy services for planning and development projects, including preliminary ecological appraisals, habitat and protected species surveys, ecological impact assessments,…
Serves UK developers, landowners, planning consultants and public authorities needing ecological input for planning applications, land development and larger infrastructure or habitat projects.
Financial Health
StableStable · Hiring · 5% CAGR over 2y
Location
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Computed from 5 filingsProvides plastic reprocessing services and manufactures recycled polymer products for industrial use. Processes plastic waste and edge trim into reusable compounds and produces steel coil edge…
Sells to B2B customers in the steel, manufacturing and automotive sectors, including companies needing plastic reprocessing, closed-loop recycling and industrial protective packaging such as steel…
Financial Health
HealthyHealthy · -5% CAGR over 4y
Location
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Designs and manufactures temporary and fixed electrical power distribution equipment, including site distribution boards, automatic mains failure panels, transformers, cables and EV chargers. Also…
Serves B2B customers running temporary or site power operations, including events organisers, construction firms, film and TV productions, facilities management teams and generator companies across…
Financial Health
N/AN/A
Location
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Computed from 5 filingsDesigns and manufactures ion beam instruments and components, including ToF‑SIMS systems, ion sources, and single‑ion implanters. Supplies ultra‑high‑vacuum accessories and custom ion beam systems…
Serves researchers and laboratory teams in universities, research institutes and industrial R&D across materials science, life sciences, surface science, quantum science, nanotechnology and…
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 5y
Location
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Computed from 3 filingsProvides advertising services in cinemas, selling on-screen and foyer advertising space and campaigns for brands and agencies. Also operates a website featuring film news, reviews, trailers and…
Sells to brands, advertisers and media agencies seeking cinema advertising placements, with consumer-facing film listings and reviews aimed at UK cinema audiences.
Financial Health
WeakWeak · -90% CAGR over 2y
Location
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Computed from 5 filingsProvides event planning and production services for corporate meetings, conferences, product launches, incentive trips, team-building activities and parties, including creative theming, branding,…
Serves corporate marketing, HR and sales teams, brands launching products or games, and private clients planning parties, with projects delivered across global cities.
Financial Health
WeakWeak · Hiring · 12% CAGR over 4y
Location
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Computed from 5 filingsProvides installation, maintenance and repair of fire protection, security and electrical systems for commercial buildings. Services include fire alarms, extinguishers and sprinklers, intruder…
Targets businesses and facilities/property managers responsible for commercial buildings, especially in Essex and London, including organisations needing premises safety and compliance support.
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 4y
Location
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- Firstworks Music05916400
- West One Music Group07461814
Financial sub-scores
Computed from 3 filingsProvides production music for film, television, advertising and digital media. Operates a catalogue of tracks from composers and artists, and offers music licensing, custom composition, sonic…
Serves global content creators and the media and creative industries, including broadcasters, production companies, film and TV producers, trailer houses, agencies and brand teams.
Financial Health
StableStable · -9% CAGR over 2y
Location
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Computed from 5 filingsProvides waste management services including collection, removal and disposal of hazardous and non‑hazardous waste. Offers asbestos surveys and removal, WEEE and clinical waste handling, site…
Serves domestic property owners and commercial organisations across the UK, from small independents to large multinationals, including factory owners, education custodians and retailers.
Financial Health
WeakWeak · -54% CAGR over 5y
Location
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Designs and prints self-adhesive and resealable product labels for sectors including food, cosmetics, household goods and pharmaceuticals. Provides in-house design, reprographics and platemaking, and…
Serves B2B brand owners and manufacturers in the beverage, cosmetics, household goods, food and pharmaceutical sectors, particularly teams responsible for product packaging and labelling.
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Computed from 5 filingsDesigns, manufactures and supplies rooflights and structural glazing systems for residential and commercial buildings, including fixed and opening rooflights, roof access and ventilation solutions,…
Targets architects, contractors, developers and property owners involved in high-end residential and commercial building projects.
Financial Health
WeakWeak · -65% CAGR over 4y
Location
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Computed from 5 filingsDesigns, installs and maintains fire safety and security systems for commercial and industrial buildings, including fire alarms, CCTV, aspirating smoke detection, intruder alarms, access control…
Serves commercial and industrial organisations across the UK, including offices, retailers, transport operators, catering and FMCG businesses, industrial sites and residential block managers.
Financial Health
StrongStrong
Location
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Computed from 5 filingsProvides recruitment services focused on data professionals, sourcing data scientists, analysts and engineers for organisations building data teams. Also offers consulting, training, and industry…
Serves UK brands hiring data professionals, targeting founders, hiring managers, in-house recruiters and data leaders seeking data scientists, analysts and engineers, alongside data candidates…
Financial Health
StableStable · Hiring · 7% CAGR over 4y
Location
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Computed from 5 filingsProvides place visioning, placemaking and development strategy services for real estate projects. Advises developers, investors and cities on masterplanning, positioning and delivery strategies for…
Serves major real estate developers, institutional investors and city authorities involved in large-scale mixed-use development and placemaking projects, with a focus on complex urban sites globally.
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsDevelops trenchless pipe renewal technology for water and sewer infrastructure. Its melt‑in‑place process inserts a glass‑fibre and polypropylene liner into existing pipes and heats it to form a…
Serves water utilities and infrastructure providers responsible for drinking water and sewerage networks, including organisations procuring trenchless pipe renewal in the UK and North America.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsManufactures camshafts for automotive and engine manufacturers. Casts grey and ductile iron camshafts and performs machining, grinding and heat treatment, producing assembled and steel camshaft types…
Sells to OEMs in the global automotive and engine manufacturing sector, including vehicle manufacturers and businesses in the spare parts market seeking camshafts for vehicle and equipment engines.
Financial Health
StableStable · -16% CAGR over 4y
Location
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Computed from 5 filingsManufactures and fabricates plastic products using machining and CNC routing. Produces point of sale displays, museum display cases, leaflet holders, acrylic graphic holders, cut‑to‑size acrylic and…
Serves retailers, signmakers, museums and other businesses needing bespoke plastic fabrication, point-of-sale displays, display cases, signage components and cut-to-size acrylic or polycarbonate…
Financial Health
StableStable · -6% CAGR over 4y
Location
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Computed from 5 filingsWholesale supplier and manufacturer of caps and headwear, including Flexfit and Yupoong styles. Provides blank and custom-branded caps, embroidery, and overseas production services for brands and…
Serves B2B buyers including apparel brands, retailers, merchandisers and promotional product companies seeking wholesale blank, custom-branded or embroidered caps and hats, with UK-focused…
Financial Health
StableStable · Hiring · 6% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsProvides claims handling and support services for the maritime insurance sector, including cargo claims management, recoveries and subrogation, goods‑in‑transit and liability claims, casualty…
Serves global insurers, regional underwriters, international carriers and individuals involved in maritime insurance, including cargo, goods-in-transit, liability and casualty claim stakeholders.
Financial Health
StableStable · Hiring · 35% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsOperates an online wholesale store supplying bulk confectionery, snacks and soft drinks to retailers. Product range includes sweets, chocolate, chewing gum, cereals, cakes, and imported American,…
Sells B2B to trade buyers such as sweet shops, convenience stores, online retailers and other resellers purchasing bulk confectionery, snacks and drinks at wholesale prices.
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsDesigns and manufactures single‑frequency continuous‑wave diode‑pumped solid‑state (DPSS) lasers, including ultraviolet and near‑infrared models, used in applications such as lithography, Raman…
Serves photonics system integrators, research labs and industrial R&D teams in semiconductor inspection, quantum technologies, holography, materials analysis, lithography, flow cytometry and grating…
Financial Health
HealthyHealthy · Growing, Hiring · 4% CAGR over 3y
Location
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How Onyx Sites 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.
Onyx Sites is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
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