B2B Companies Using Spectra in the UK: 296 Active Firms (2026)
Detected web-technology adopters in B2B sell products or services to other organisations across the UK.
For business-to-business suppliers, Spectra usually sits in the marketing-site layer rather than the operational system of record. Adoption tends to signal an owned-web channel with enough internal or agency resource to manage landing pages, forms, analytics tags and search content without treating the website as a static brochure. The fit is clearest among mid-market operators selling services, distribution capability or technical know-how to other organisations, where buying committees expect evidence pages, sector pages, contact routing and procurement-friendly information before a sales conversation starts.
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UK adoption is concentrated but not niche: 296 active trading UK companies running Spectra appear in this business-to-business cohort. Reported employment totals 3,011 people, giving the group a visible operating footprint beyond owner-managed micros. Within the sector’s site-plugin ranking, Spectra sits ninth at 2.9%, behind more common content, media and page-building extensions. Registered-address distribution is tilted towards London at 19.6%, followed by the East of England at 14.2%, the West Midlands at 10.8%, the South East at 10.5% and the North West at 8.8%.
Business-to-business selling is not a single licensed activity in the UK; the rules depend on the underlying service, such as financial services, telecoms, data processing or professional advice. For marketing-site operators, the more consistent obligations sit around contact capture and outbound activity. The ICO states that PECR covers direct marketing by live or automated calls, electronic mail and fax. Corporate-subscriber email and text rules are less consent-led than consumer marketing, but senders still need to identify themselves and offer a valid opt-out route. UK GDPR applies where business-contact data is processed, and live calling requires screening against CTPS and TPS objections.
Adoption appears tied to pragmatic website ownership rather than deep technology procurement. Smaller commercial teams tend to favour site tools that let marketing, sales and agency partners adjust pages without waiting for a full development cycle. That also makes the stack exposed to changing preferences in content management, privacy controls and performance testing. Over time, usage may cluster around firms with direct-channel sales motions and regular campaign needs, while simpler brochure-site operators drift towards bundled themes or managed agency templates. The cohort therefore looks more like an operating-maturity signal than a standalone technology market.
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 Spectra varies by company size across the trading UK B2B companies in this cohort. 0.3% of the 76,784 companies with under 10 employees run Spectra (194 detected). 0.3% of the 31,788 companies with 10–50 employees run Spectra (86 detected). 0.3% of the 3,773 companies with over 50 employees run Spectra (13 detected).
296
Active firms
2026
2.9%
Of detected WordPress plugins share
UK B2B
7
Median headcount
Filed accounts
607
Verified directors
Across this cohort
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Key facts
About 6% of the trading cohort reports turnover above £5M (18 of 296 firms) — the rest sits below that revenue band.
6% of the cohort was incorporated since 2022 (20 firms), so a sizeable share is in its first few filing cycles.
Among B2B firms with a detectable plugin in this category, this technology accounts for 2.9% (296) of 10,046 detections, behind larger systems at 19.3% (1,940), 16.1% (1,615) and 12.5% (1,254).
London accounts for 19.6% (58) of B2B firms running this technology, followed by East of England at 14.2% (42), West Midlands at 10.8% (32), South East at 10.5% (31) and North West at 8.8% (26).
Co-detected stack markers point to managed marketing sites: 43.6% (129) also show search tooling, 42.6% (126) analytics, 27.7% (82) bot protection and 23.0% (68) tag management.
Use skews towards operational B2B segments: Field Services & Trades at 18.9% (56), Wholesale & Distribution at 17.2% (51), Construction at 15.9% (47), Advanced Manufacturing at 13.9% (41) and IT Services & Managed Services at 8.8% (26).
B2B outreach is governed by PECR and UK GDPR: ICO guidance says PECR electronic-mail consent rules do not apply to corporate subscribers, but senders must identify themselves, offer a valid opt-out address and screen live marketing calls against the relevant preference registers.
Page builders market share among UK B2B
Share of the 10,046 UK B2B with a detectable system. As of June 2026.
What else do Spectra-running B2B run?
Share of the 296 Spectra-running UK companies where each technology was also detected. As of June 2026.
Where Spectra 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
£589.6K
Median UK turnover
6.1%
Above £5M turnover
20
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 505 businesses, alongside financials and websites, in one Excel + CSV file.
Top UK B2B using Spectra
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 contextual AI technology for digital advertising. Provides tools that classify and analyse online content and bidstream signals to enable cookie‑free ad targeting, campaign optimisation, and…
Serves enterprise brands, media agencies, broadcasters, publishers, online platforms and adtech partners involved in digital, programmatic and CTV advertising.
Financial Health
HealthyHealthy · -54% CAGR over 5y
Location
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Computed from 3 filingsProvides consulting, implementation and managed services for Oracle cloud applications, including CRM, CPQ, e‑commerce and subscription management. Supports system integration, change management and…
Serves B2B organisations in manufacturing, engineering, construction, distribution, high tech and professional services, targeting teams responsible for sales, service, commerce, supply chain and…
Financial Health
StableStable · -25% CAGR over 2y
Location
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Computed from 3 filingsProvides data management and integration services including customer data mastering, master data management, migration, and governance. Implements and integrates Informatica and Salesforce platforms…
Serves B2B enterprise customers with complex customer data estates, especially global organisations in travel, retail, manufacturing and financial services using Salesforce, ERP and Informatica…
Financial Health
StrongStrong · Growing, Hiring · 17% CAGR over 2y
Location
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Computed from 5 filingsProvides cyber security consulting and assurance services including penetration testing, threat and vulnerability management, virtual CISO support, incident response planning, security awareness…
Sells to businesses needing cyber security, compliance and resilience support, including leadership teams, IT/security stakeholders and organisations pursuing standards such as PCI DSS, Cyber…
Financial Health
HealthyHealthy · -11% CAGR over 4y
Location
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Computed from 3 filingsDevelops web content filtering and digital safety software that monitors and blocks harmful or illegal online content. Provides AI‑driven URL categorisation, network filtering, and reporting tools…
Serves telecom operators, national regulators/governments, and education providers such as K–12 schools and academy trusts managing large-scale networks and user safety.
Financial Health
StrongStrong · Hiring · 32% CAGR over 2y
Location
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Computed from 5 filingsProvides consulting, implementation and managed services for Oracle HCM and ERP cloud systems. Offers payroll solutions, global payroll integration, HR process optimisation, system upgrades,…
Serves multinational enterprises and UK businesses using Oracle HCM/ERP, targeting HR, payroll and finance teams in sectors such as pharma, property management, retail, supply chain and financial…
Financial Health
StrongStrong
Location
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Computed from 3 filingsProvides cybersecurity testing and advisory services including penetration testing as a service, attack surface management, red team simulations, secure code review, and cloud, network and…
Serves B2B security teams and technology leaders at organizations with web, cloud, network, mainframe, AI/ML, IoT, automotive, medical device, ATM and operational technology environments.
Financial Health
StrongStrong · Growing, Hiring · 157% CAGR over 2y
Location
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Computed from 5 filingsProvides tenancy management software and services for letting agents, including tenant referencing checks, Right to Rent verification, compliance and sanctions screening, insurance products, and…
Serves UK letting agents and property agencies managing residential tenancies, with related services reaching their landlord clients and tenant applicants. Targets lettings professionals handling…
Financial Health
StrongStrong · Hiring · 8% CAGR over 4y
Location
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Computed from 5 filingsProvides technology solutions for retail and hospitality operations including drive‑thru systems, kitchen display systems, digital signage, self‑service kiosks, and temperature‑controlled display…
Serves B2B retail and hospitality operators, especially quick-service restaurants, drive-thru outlets, grab-and-go food retailers and multi-site stores needing customer-facing and back-of-house…
Financial Health
HealthyHealthy · Hiring · 13% CAGR over 4y
Location
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Computed from 5 filingsProvides GPS vehicle tracking and telematics systems for fleet management, including Thatcham‑approved trackers, dash cameras, and asset tracking devices. Installs and supports hardware and software…
Serves B2B fleet operators and vehicle-owning organisations across the UK, from small fleets to larger commercial fleets across varied industries.
Financial Health
StableStable · Hiring · 17% CAGR over 4y
Location
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Computed from 4 filingsDevelops fleet and workshop management software for garages, hauliers, rental companies and coach operators. Products include tools for vehicle maintenance scheduling, electronic walkaround checks,…
Serves B2B vehicle and transport operators, including small garages, multilane workshops, hauliers, fleet management firms, rental companies, coach operators and production lines, from small fleets…
Financial Health
StrongStrong · Growing · 0% CAGR over 3y
Location
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Computed from 5 filingsProvides managed IT and telecommunications services for businesses, including technical support, incident handling and infrastructure management. Also develops custom software and delivers…
Serves UK businesses and organisations, including professional services firms, estate agencies, charities/advice services, and maintenance or building companies.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
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Computed from 3 filingsProvides data migration consulting and implementation services, specialising in migrating master, transactional and reference data between enterprise systems. Uses proprietary DM REVOLVE tools and…
Serves UK-based businesses and organisations needing data migration support, including teams managing master, transactional and reference data or Microsoft Dynamics data projects.
Financial Health
StrongStrong · Growing, Hiring · 87% CAGR over 2y
Location
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Computed from 5 filingsProvides AWS consulting focused on end‑user computing, helping organisations migrate desktops and applications to Amazon WorkSpaces and AppStream 2.0. Develops and supports the WorkSpaces Manager…
Sells to IT and infrastructure leaders at businesses using AWS, especially organisations with remote workforces and enterprise-scale Amazon WorkSpaces or AppStream environments across AWS regions.
Financial Health
HealthyHealthy · -5% CAGR over 4y
Location
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Computed from 5 filingsProvides governance, risk and compliance consulting services, including GDPR and data protection compliance, ISO 27001 and Cyber Essentials certification support, compliance audits, risk assessments,…
Serves organisations of all sizes across regulated, professional, commercial and technology sectors, including healthcare, financial services, legal, charities, retail/ecommerce, education, logistics…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
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Computed from 3 filingsProvides property search reports, conveyancing support services and compliance checks for legal professionals. Services include local authority, environmental, mining and drainage searches, AML and…
Serves conveyancing solicitors and legal practices handling residential and commercial property transactions across England and Wales, particularly firms requiring property search and compliance…
Financial Health
StableStable · Hiring · 32% CAGR over 2y
Location
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Computed from 3 filingsDevelops and operates Disc, an online crime information‑sharing and incident reporting system used by business crime reduction partnerships, police and community groups. The platform enables users to…
Sells to UK B2B and public-sector crime reduction networks, including BIDs, BCRPs, police teams, rural crime groups, shopwatch/pubwatch schemes, and sporting or entertainment venues.
Financial Health
StrongStrong · Hiring · 41% CAGR over 2y
Location
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Computed from 4 filingsSupplies absorption heat pumps and absorption chillers for industrial and commercial heating and cooling systems. Also provides flue gas condensation and energy recovery technologies, with…
Sells to industrial and commercial customers across Europe, including district heating operators, greenhouse growers and facilities needing large-scale heating or cooling. Targets businesses seeking…
Financial Health
StableStable · 0% CAGR over 3y
Location
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Computed from 5 filingsDevelops structural analysis and design software for steel, composite and reinforced concrete structures. Provides engineering tools for modelling, buckling analysis and automated design workflows,…
Serves structural engineering firms, steel designers and construction professionals working on steel, composite and reinforced concrete projects, plus students, lecturers and university partners.
Financial Health
StrongStrong · Growing · 2% CAGR over 4y
Location
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Computed from 5 filingsManufactures and supplies PVC and aluminium windows and doors for trade installers and contractors, including casement and flush windows, composite and French doors, bi-fold systems, and roof…
Sells to trade customers in the window and door sector, including professional installers, window fitters, installation teams and commercial contractors, serving residential developments, apartment…
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 5y
Location
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Computed from 4 filingsDevelops legal practice management software for law firms, providing case and document management, time recording, billing, and compliance tools in an integrated cloud-based system for managing…
Sells to UK law firms and legal practices, from solo practitioners to growing multi-user firms. Targets legal professionals seeking practice management software, including firms needing compliant,…
Financial Health
HealthyHealthy · Growing, Hiring · 4% CAGR over 3y
Location
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Computed from 5 filingsProvides consultancy, training and technical support for Microsoft cloud platforms. Services include Microsoft 365 and SharePoint implementation, Teams governance, Power Platform development and…
Serves organisations of any size and geography that use Microsoft technologies, targeting business teams and IT leaders responsible for Microsoft 365, Power Platform, data and AI platforms.
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 4y
Location
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Computed from 3 filingsProvides data analytics and sensor systems for urban environments, including pedestrian footfall counting, public WiFi demographics, air quality monitoring and vehicle traffic analysis. Supplies…
Serves councils, BIDs, town teams and place managers responsible for town and city centres, high streets, public spaces, events and entertainment venues.
Financial Health
HealthyHealthy · -7% CAGR over 2y
Location
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Computed from 5 filingsDesigns, supplies, installs and commissions integrated entertainment technology systems, including stage engineering, audio‑visual, lighting and control systems, for theatres, arenas, studios,…
Serves public, private and not-for-profit organisations operating theatres, arenas, arts centres, schools, universities, lecture theatres, hotels, cruise ships, visitor attractions and broadcast/TV…
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 4y
Location
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Computed from 3 filingsProvides out-of-home advertising through digital billboard displays, offering brands advertising space on roadside and urban screens and integrating campaigns into a wider media network via Backlite…
Serves brands, advertisers and media agencies seeking out-of-home advertising opportunities in high-traffic London locations.
Financial Health
StrongStrong · Growing, Hiring · 22% CAGR over 2y
Location
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Computed from 5 filingsProvides managed IT support and technology services for businesses, including Microsoft 365 management, network installation and testing, cybersecurity, backup and disaster recovery, VoIP systems,…
Serves B2B customers in Leicestershire, especially small and mid-sized organisations without in-house IT capacity or requiring support for Microsoft environments, networks, office moves, and IT…
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
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Computed from 5 filingsProvides electronic and electromechanical manufacturing services including assembly of electrical control panels and cabinets, PCB assembly, cable harnesses and box builds, plus testing, component…
Serves B2B manufacturers, OEMs and industrial equipment builders needing electromechanical sub-assemblies, control panels, cable harnesses, PCB assembly and large machine build support.
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
Location
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Computed from 3 filingsProvides managed IT services and consultancy for businesses, including remote IT support, cloud solutions, cybersecurity, on‑premise infrastructure management, IT performance audits, VoIP telephony…
Sells to businesses needing managed IT support, particularly SMEs and professional organisations across legal, healthcare, logistics and accountancy. Serves firms in South Manchester and elsewhere in…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 2y
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Computed from 3 filingsProvides data and analytics consulting, including data strategy, data engineering, analytics dashboards, and custom data applications. Designs cloud-based data platforms, integrates data sources, and…
Sells to businesses needing data and analytics support, particularly organisations in healthcare, pharma and life sciences, construction, and consumer products, including FMCG and retail. Targets…
Financial Health
StrongStrong · Growing, Hiring · 94% CAGR over 2y
Location
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Computed from 5 filingsProvides managed IT services and technology strategy for organisations, including virtual CIO advisory, IT support, infrastructure monitoring, Microsoft 365 management, cybersecurity, cloud services,…
Serves SMEs and not-for-profit organisations, including clients in legal services, home improvement, health and social care.
Financial Health
HealthyHealthy · -8% CAGR over 5y
Location
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Computed from 5 filingsDesigns and manufactures bespoke air handling units (AHUs) and components for HVAC systems, including heat recovery units, kitchen extract and supply AHUs, acoustic box fans, attenuators, duct filter…
Serves B2B buyers in HVAC and building services, including contractors, consultants, facilities teams and commercial kitchen operators requiring air handling and ventilation components.
Financial Health
StrongStrong · Hiring · 26% CAGR over 4y
Location
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Computed from 5 filingsProvides commercial and industrial cleaning and facilities management services, including office and window cleaning, high‑level and specialist cleaning, pest control, grounds maintenance, labour…
Serves B2B organisations across the UK, including commercial offices, industrial sites and facilities managers responsible for outsourced cleaning, washroom and premises support.
Financial Health
StrongStrong · -1% CAGR over 6y
Location
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Computed from 3 filingsSupplies steel security doors, fire exit doors and fire-rated doors for commercial and industrial use. Also sells specialist doors, door hardware, panic bars, locks and replacement parts, and offers…
Sells to businesses and trade buyers needing steel security, fire exit and specialist doors, including industrial, commercial and facilities customers, as well as some homeowners buying doors and…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 22% CAGR over 2y
Location
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Computed from 2 filingsProvides managed IT services including cybersecurity monitoring, IT support, cloud migrations, network infrastructure, internet connectivity, VoIP and telecoms systems, mobile services, and secure…
Serves business organisations and their users that need outsourced technology support, including IT, cybersecurity, telecoms, connectivity, cloud communications, business mobiles, network…
Financial Health
StrongStrong · Hiring · 60% CAGR over 1y
Location
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Computed from 4 filingsManufactures and supplies cable management and electrical installation accessories, including cable glands, conduits, trunking, sleeving, grommets, cable ties, identification and marking systems, and…
Serves B2B customers involved in electrical wiring and cabling, including industrial installers, panel builders, maintenance teams and procurement buyers in multiple European markets.
Financial Health
HealthyHealthy · 0% CAGR over 3y
Location
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Computed from 3 filingsProvides hire and sales of powered access equipment including scissor lifts, cherry pickers, vertical mast lifts and low‑level platforms. Also delivers IPAF and operator training and supplies…
Serves UK businesses and project teams needing powered access, especially construction firms, data centre operators, facilities teams, event organisers, sports venues and art or special project…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 8% CAGR over 2y
Location
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Computed from 5 filingsProvides business and technology consulting services including digital transformation, strategy, and project management. Also supports the oil and gas sector with energy consulting, supply of refined…
Serves B2B organisations seeking transformation support, with emphasis on oil and gas companies across the energy value chain, plus clients in aviation, aerospace, defence and automotive sectors.
Financial Health
StrongStrong · 0% CAGR over 1y
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Computed from 2 filingsSupplies wholesale furniture to trade customers, offering ranges for living rooms, dining rooms, bedrooms and offices. Operates an account-based ordering system that provides registered retailers and…
Sells to trade account holders buying wholesale furniture, including retailers and other business customers sourcing living room, dining room, bedroom and office furniture.
Financial Health
StableStable · Profitable · 9% CAGR over 1y
Location
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Computed from 3 filingsProvides subcontract precision engineering services including CNC milling and turning, fabrication, and product assembly. Manufactures custom machined components, valves and manifolds for sectors…
Sells B2B to engineering and manufacturing buyers needing subcontract precision machining and assembly, including firms in aerospace, defence, EV and automotive, food manufacturing, hydraulics,…
Financial Health
StableStable · -90% CAGR over 2y
Location
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Computed from 3 filingsDesigns and engineers metering and gauging systems for fuel delivery on road tankers, including electronic metering units, in‑cab computers, pumps and ancillary equipment. Supplies components and…
Serves B2B fuel distributors, fuel oil operatives and road tanker fleet operators, including drivers and operations teams delivering fuels such as AdBlue, HVO, LPG and lube oil across the UK and…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 2y
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Computed from 5 filingsProvides legacy data management services, including backup tape restoration, archived data access, email archive migration, and data analytics and migration. Uses proprietary software and consulting…
Serves enterprises and data management partners/resellers with legacy archived data, backup tapes and email archives, including organisations undertaking cloud migrations, discovery readiness or…
Financial Health
HealthyHealthy · -11% CAGR over 4y
Location
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Computed from 3 filingsProvides engineering consultancy, technical advisory and inspection services for energy, insurance and defence sectors. Services include wind farm and subsea cable design, hydrogen and CCUS studies,…
Serves B2B and public-sector clients in energy, marine, insurance, legal and defence markets, including renewable developers, oil and gas asset owners, CCUS/hydrogen project teams, insurers, law…
Financial Health
HealthyHealthy · Hiring · 17% CAGR over 2y
Location
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Computed from 4 filingsProvides recruitment services for the driving, transport, warehouse and industrial sectors, supplying temporary and permanent staff. Sources and places drivers and industrial workers for client…
Serves UK businesses in the driving, transport, warehouse and industrial sectors needing temporary or permanent staff, alongside drivers and industrial candidates seeking roles.
Financial Health
HealthyHealthy · Hiring · 116% CAGR over 3y
Location
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Computed from 5 filingsProvides digital marketing services including search engine optimisation (SEO), content marketing, pay‑per‑click advertising, digital PR, social media management, and WordPress website design,…
Serves B2B companies, particularly in agriculture, automotive, e-commerce, fintech, IT, manufacturing and recruitment, working with business owners and marketing teams.
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
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Computed from 4 filingsSupplies machinery, measuring systems, scanners, software, diamond tooling and wastewater treatment equipment for stone, glass and marine fabrication. Also provides digital templating technology,…
Serves B2B fabricators and processors in the stone, glass and marine sectors across the UK and Ireland, including stonemasons, construction templating users and industrial businesses using cutting,…
Financial Health
StrongStrong
Location
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Computed from 5 filingsSupplies and exports automotive and plant spare parts, including components for light and heavy commercial vehicles and 4x4s. Also distributes workshop tools, tyres, safety equipment, lifting gear…
Serves B2B operators of vehicle fleets and workshops worldwide, including transport, logistics, commercial vehicle, 4x4, plant and agricultural sectors, especially overseas markets needing parts…
Financial Health
StrongStrong · Growing, Hiring · 50% CAGR over 4y
Location
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Computed from 3 filingsDesigns and supplies subsea and marine connection equipment for the energy industry, including hot stabs, emergency release couplings, swivels and transfer systems. Also provides engineering support,…
Serves B2B customers in the global energy sector, including oil and gas operators, subsea contractors, marine transfer firms, decommissioning teams, carbon capture projects, and gas bunkering or…
Financial Health
HealthyHealthy · Hiring · 22% CAGR over 2y
Location
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Computed from 5 filingsProvides virtual and augmented reality hardware and solutions, including multi‑user VR kits, headsets, flight and truck simulators, 360° camera kits, and related software, setup, and device…
Serves schools and universities, healthcare providers, manufacturers and commercial organisations adopting VR/AR, including teams needing classroom kits, staff training, virtual meetings, simulations…
Financial Health
StrongStrong · Growing, Hiring · 35% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsDesigns and manufactures industrial packaging including timber and plywood crates, flight and transit cases, and CNC-cut foam inserts. Provides custom packaging design, fabrication, and on-site…
Sells to B2B customers in oil and gas, renewables, marine, engineering and construction, particularly teams shipping industrial equipment, high-value assets and offshore or export goods across the UK…
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
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Computed from 3 filingsProvides accredited construction and utilities training courses, including CPCS and NPORS plant operation training, NRSWA street works, CITB Site Safety Plus programmes, construction NVQs, and…
Serves construction, utilities and street works employers across the UK, selling accredited training to businesses upskilling employees and subcontractors, from plant operators and tradespeople to…
Financial Health
StrongStrong · Growing, Hiring · 41% CAGR over 2y
Location
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452 more companies and their verified directors are in the file
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How Spectra 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.
Spectra 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 Spectra?
What share of UK B2B companies run Spectra?
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What size B2B companies use Spectra in the UK?
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