IT Services Companies Using Elfsight in the UK: 69 Active Firms (2026)
IT services providers running embeddable web widgets deliver managed technology support and digital services to UK business clients.
For IT services and managed services providers, an embeddable widget platform usually sits at the edge of the website rather than inside service delivery. It adds forms, review panels, feeds, scheduling prompts or other conversion components without a bespoke build, which suits firms selling support retainers, infrastructure management and implementation work to business clients. Running this kind of stack tends to signal a modest marketing budget, a website owner who can manage plugins or scripts, and a direct-channel posture: the firm wants enquiries, proof points and customer interaction on its own domain, not only through referral networks.
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Across the UK, 69 active IT services and managed services providers run this widget platform on their public websites. Reported headcount sums to 698 employees, so the adoption picture is mostly SME-shaped, with only a small employment footprint visible at national level. Within the sector’s website-widget ranking, the platform sits third, with a 9.3% share against a denominator of 743 sector websites. The registered-office skew is towards the South East at 31.9%, followed by London at 17.4% and the West Midlands at 11.6%; the East Midlands and South West each account for 8.7%.
Client-facing widgets deserve governance even when they are not core delivery infrastructure. Forms, review embeds and customer interaction tools can move personal data into external systems, creating consent, retention and processor-management questions. Procurement also matters: buyers may ask whether the website stack is maintained, patched and monitored, particularly when the provider sells infrastructure management or cybersecurity-adjacent services. The market structure is fragmented, with widgets typically bought by marketing or operations teams rather than central engineering.
Adoption appears likely to remain practical rather than strategic. Many managed services providers use lightweight website components to make lead capture, testimonials and contact routes easier to maintain without committing engineering time. That pattern tends to persist until a website rebuild, a change in marketing ownership or a security review prompts consolidation of plugins and scripts. Firms with more mature go-to-market teams may fold these functions into broader marketing automation, while smaller providers may keep using modular widgets because they are cheap to administer and easy to swap out.
Adoption by company size
Adoption of Elfsight varies by company size across the trading UK IT services companies in this cohort. 0% of the 119,548 companies with under 10 employees run Elfsight (45 detected). 1.2% of the 2,157 companies with 10–50 employees run Elfsight (25 detected). 0% of the 181 companies with over 50 employees run Elfsight (0 detected).
69
Active firms
2026
9.3%
Of detected Widgets share
UK IT services
7
Median headcount
Filed accounts
145
Verified contacts
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Key facts
About 1% of the trading cohort reports turnover above £5M (1 of 69 firms) — the rest sits below that revenue band.
8% of the cohort was incorporated since 2022 (6 firms), so a sizeable share is in its first few filing cycles.
The profiled widget ranks third by detected widget share among IT services providers, at 9.3% (69) of the 743 companies with a detectable system.
Two higher-share widget systems account for 56.3% (418) and 14.7% (109), leaving a long tail across lower-share tools.
Registered addresses skew towards the South East, which accounts for 31.9% (22), ahead of London at 17.4% (12) and the West Midlands at 11.6% (8).
Stack overlap is mainly web-operations oriented: 59.4% (41), 52.2% (36) and 50.7% (35) also run the three most common co-detected web technologies.
Adjacent-sector tags suggest mixed service lines, with Cybersecurity at 23.2% (16), Marketing Agency at 13.0% (9) and Telecommunications at 11.6% (8).
Widgets market share among UK IT Services
What else do Elfsight-running IT Services run?
Share of the 69 Elfsight-running UK companies where each technology was also detected. As of June 2026.
Where Elfsight IT Services 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
£435.7K
Median UK turnover
1.4%
Above £5M turnover
6
Incorporated since 2022
145 verified decision-maker contacts
across these 69 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK IT Services using Elfsight
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 managed IT services for businesses, including outsourced IT support, 24/7 helpdesk, network and server management, cybersecurity, data backup and disaster recovery, cloud and Microsoft 365…
Serves SMEs, charities, schools, early years providers and universities needing outsourced IT support, primarily across Hertfordshire, London and the wider UK.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides managed IT services for businesses, including helpdesk support, system monitoring, cloud services, data backup, cyber security, and IT communications. Also offers hardware and software…
Serves businesses needing outsourced IT management, helpdesk support, cybersecurity, cloud, telecoms, backup and web services, including teams without sufficient internal IT resources.
Financial Health
StrongStrong · Hiring · 6% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides managed IT services for small and medium-sized businesses, including IT infrastructure management, technical support, cybersecurity services, and consultancy to maintain systems, improve…
Serves ambitious SMEs across Hampshire, Surrey and Sussex that need outsourced IT management, support and cyber-security, targeting business owners and managers responsible for reliable IT…
Financial Health
DistressedDistressed · -4% CAGR over 5y
Location
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Financial sub-scores
Computed from 3 filingsProvides managed IT services for businesses, including service desk support, infrastructure monitoring, cloud services using Microsoft Azure, disaster recovery, cybersecurity, and IT procurement, as…
Serves businesses and organisations across the South West, including growing SMEs, charities, community organisations and local business teams needing outsourced IT support and technology management.
Financial Health
StableStable · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides managed IT support services for businesses, including Microsoft 365 management, cyber security services, and IT infrastructure support. Also supplies connectivity and telecommunications…
Serves businesses in Hampshire, Dorset and nearby areas that need outsourced IT, cyber security, Microsoft 365, connectivity and telecoms support, typically teams seeking fixed-price support and a…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides managed IT services and technical support for businesses, including outsourced and co-managed IT, cybersecurity and compliance, cloud migrations to Microsoft 365, Azure and AWS, disaster…
Serves businesses and organisations, including those with internal IT teams, seeking outsourced or co-managed IT, cybersecurity, cloud and communications support across Milton Keynes, Banbury,…
Financial Health
StrongStrong · Growing, Hiring · 29% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides managed IT support and cloud services for businesses, including IT infrastructure management, remote support, cloud telephony (VoIP), broadband and connectivity, mobile services, and energy…
Serves businesses in Reading and surrounding areas, including SMEs in manufacturing, insurance, financial services, mortgages and office services, typically dealing with business owners, operations…
Financial Health
StableStable · Hiring · 29% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides managed IT support and infrastructure services for businesses, including Microsoft 365 and cloud solutions, cybersecurity, backup and disaster recovery, network design, Wi‑Fi, hardware…
Serves small and midmarket businesses around Gloucester and Stroud, including education, industrial, warehouse, retail, hospitality and leisure organisations.
Financial Health
StrongStrong · Hiring · 8% CAGR over 2y
Location
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Financial sub-scores
Computed from 4 filingsProvides managed IT support for businesses, including network connectivity and infrastructure design, cyber security management, IT consultancy, hardware and cloud installations, IoT integration, and…
Serves businesses across Hampshire, Dorset and the Isle of Wight, from small operations to larger organisations, including teams needing ongoing IT, connectivity, cyber security and telecoms support.
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides managed IT support and helpdesk services for businesses, including cybersecurity, cloud infrastructure, hardware and software supply, network setup and IT consulting. Offers monitoring,…
Serves small and medium-sized businesses needing outsourced IT support across Sussex, Kent, Hampshire, Surrey and London, including firms without in-house IT teams.
Financial Health
StableStable · Hiring · 3% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides managed IT support and technical services for businesses and schools, including remote and on-site support, cloud services, network security, backups and disaster recovery, cabling, wireless…
Serves small and medium-sized businesses and schools in the North West, especially Blackpool, Preston, Manchester and Liverpool, including organisations with in-house teams or no existing IT support.
Financial Health
HealthyHealthy · Hiring · 9% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides IT support and managed technology services for businesses, including VoIP and phone systems, mobile services, broadband and leased lines, cloud backups, Microsoft 365 support, cybersecurity…
Targets SMEs and office-based businesses needing external support for IT, telecoms, mobile, connectivity, cyber security and business energy, including organisations managing staff devices, networks…
Financial Health
HealthyHealthy · -92% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsSupplies and manages business telecommunications and IT systems, including mobile phone plans, VoIP and cloud telephony, call routing, internet connectivity and SIP trunking. Provides installation of…
Serves small offices, larger businesses and multi-site organisations across the UK, including education, industrial, warehouse, retail, hospitality and leisure customers.
Financial Health
WeakWeak · -3% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides IT support services for homes and businesses, including hardware repairs and upgrades, data recovery, backup and disaster recovery, network installation, Microsoft 365 support, web hosting,…
Serves local households and small to mid-sized businesses around Kempston and Bedford, including office-based, remote and hybrid teams, and firms with internal IT teams seeking co-managed help.
Financial Health
DistressedDistressed · 100% CAGR over 1y
Location
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Financial sub-scores
Computed from 4 filingsProvides managed IT services for businesses and charities, including IT support, cyber security management, Microsoft cloud services, network connectivity, backup and disaster recovery, and…
Serves businesses and charities across Hampshire, Surrey and nearby areas, including organisations seeking fully managed or co-managed IT support.
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides IT support and managed services for businesses and schools, including cloud migration, network and server setup, hardware and software support, cybersecurity and Cyber Essentials advice, and…
Serves businesses and schools in the North East of England, including organisations using Microsoft, Apple, Office 365, Google, server, network and cloud environments.
Financial Health
StableStable · -3% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides managed IT support, technology consultancy and infrastructure management for businesses. Services include Microsoft 365 and Azure cloud solutions, cybersecurity, disaster recovery, and…
Serves SMEs and local businesses in Exeter, Devon and the South West, plus UK businesses with finance, warehouse, distribution, manufacturing and CRM teams.
Financial Health
HealthyHealthy · -64% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides IT services and infrastructure solutions for hospitality and leisure businesses, including 24/7 service desk support, IT consultancy, network design, cybersecurity, disaster recovery,…
Serves B2B customers in the hospitality and leisure sector, including hotel groups, resorts and luxury venues operating multi-site environments across international markets.
Financial Health
StableStable · 0% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides managed IT services, cyber security and business communications for organisations. Services include security operations centre monitoring, managed detection and response, vulnerability…
Serves UK SMEs, mid-market businesses and enterprises needing managed IT, cyber security and business communications support, targeting business owners and IT leaders across commercial sectors.
Financial Health
HealthyHealthy · Hiring · 54% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides managed IT support and technology services for businesses, including helpdesk support, IT infrastructure management, system monitoring, cybersecurity, and IT consultancy to help…
Serves small businesses, business owners and managers in Birmingham and the Midlands, across sectors including surveying, financial planning, property development, heating/property services and…
Financial Health
HealthyHealthy · Hiring · 19% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides IT networking, connectivity and communications services, including internet access, leased lines, wireless networks and unified voice systems. Offers cloud hosting, backup and disaster…
Serves SMEs, channel partners such as MSPs and resellers, and education organisations including schools and colleges seeking IT connectivity, communications, cloud and security suppliers.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides business telecommunications and IT services including broadband connectivity, VoIP and phone systems, mobile contracts, data cabling, IT support, CCTV surveillance, and installation and…
Serves B2B customers, including business owners and managers seeking managed communications, IT support, connectivity, mobile, surveillance and related services for their organisations.
Financial Health
StrongStrong · Growing, Hiring · 23% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides IT consulting and implementation services focused on Zoho cloud software. Designs, deploys and integrates CRM, finance, HR, marketing and analytics systems, develops custom applications, and…
Serves UK businesses and organisations adopting or running Zoho, especially teams needing connected systems across sales, customer service, finance, marketing, HR, recruitment, field services and…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides business telecommunications and IT services including hosted phone systems, business mobiles and broadband, M2M data SIM connectivity, visitor management systems, interactive display…
Serves SMEs and other organisations across sectors, particularly operations and IT teams needing business telecoms, mobiles, broadband, M2M connectivity, visitor management and cyber/IT support.
Financial Health
WeakWeak · -9% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsSupplies and implements business management software including Pegasus Opera 3 and Microsoft Dynamics 365. Provides ERP, CRM, accounting and payroll systems, custom software development, IT support,…
Serves UK SMEs and businesses across sectors that need ERP, CRM, accounting, payroll, IT support and managed infrastructure, including users of Pegasus Opera 3 and Microsoft Dynamics 365.
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides IT support and managed technology services for small businesses, including cybersecurity, data backup and business continuity, cloud‑hosted telecoms, network connectivity, Microsoft 365…
Serves small businesses in Eastbourne and surrounding areas, targeting owners and managers seeking outsourced IT support, cybersecurity, connectivity, cloud telecoms and Microsoft 365 services.
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides managed IT support services for schools and multi‑academy trusts, including helpdesk support, network management, cybersecurity, cloud services, broadband, and data backup. Also supplies and…
Targets education-sector organisations: primary and secondary schools, independent schools, multi-academy trusts and federations, including school leaders and IT/MIS decision-makers in London and…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides cyber security consulting and managed services including cyber assessments, Cyber Essentials and IASME assurance support, vulnerability management, incident response planning, cloud, web and…
Serves small and medium-sized businesses seeking enterprise-class cyber security support, including organisations protecting business data, users, cloud services and endpoints.
Financial Health
HealthyHealthy · -13% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides IT maintenance, technical support and managed IT services for schools and small businesses, including system support, troubleshooting, and ongoing management of IT infrastructure and…
Serves schools and small businesses, particularly education and business customers needing external IT support and maintenance.
Financial Health
DistressedDistressed
Location
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Financial sub-scores
Computed from 5 filingsProvides web and software development services including bespoke applications, CMS and e‑commerce websites, mobile apps, and database systems. Offers technology consulting, AWS support, digital…
Serves B2B organisations and nonprofits, including automotive, charity, education and legal-sector clients, plus healthcare practices, universities, business improvement districts and organisations…
Financial Health
StableStable · Hiring · 8% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides business telecommunications services including hosted phone systems, VoIP platforms, broadband connectivity and mobile contracts. Also supplies CRM‑integrated calling systems, IT support,…
Targets B2B buyers, especially estate agents and dental practices, plus SMEs, enterprises and charities in healthcare, education, legal, finance, logistics, manufacturing, retail, hospitality,…
Financial Health
StrongStrong · Hiring · 41% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides web design and digital marketing services, including SEO, PPC campaign management and digital PR. Also develops bespoke software, mobile apps and custom GPT tools, and offers digital…
Serves businesses across the UK and internationally that need to generate qualified enquiries and manage digital growth, including organisations seeking joined-up support for websites, search…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides bespoke software development and consultancy for businesses, creating custom web and mobile applications, CRM systems, and operational tools. Also offers software project rescue, system…
Sells to businesses needing bespoke software, particularly business owners and directors seeking to improve operations, automate processes and replace off-the-shelf systems. Serves teams across…
Financial Health
StableStable · 0% CAGR over 2y
Location
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Computed from 3 filingsProvides enterprise resource planning (ERP) software implementation, consulting, and managed support services, including NetSuite and QAD systems. Also delivers system integration, EDI solutions,…
Sells to businesses, especially manufacturers, needing ERP and related enterprise systems. Serves sectors including medical device, pharma and biotech, automotive, food and beverage, industrial,…
Financial Health
StrongStrong · Hiring · 25% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides network infrastructure and IT services including copper and fibre network cabling, wireless network design and surveys, managed WiFi systems, audio‑visual meeting room installations, IP CCTV…
Serves UK and overseas businesses, healthcare organisations and facilities teams needing network, wireless, AV, IT and security infrastructure across office and site environments.
Financial Health
StableStable · Hiring · 6% CAGR over 4y
Location
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Computed from 5 filingsProvides IT infrastructure and technology services including managed print, digital workplace solutions, hybrid cloud systems, device supply and management, and IT asset disposal. Also offers…
Serves businesses and public sector organisations, particularly IT and procurement leaders managing end-user technology, print fleets, cloud infrastructure and compliant procurement through HP and…
Financial Health
WeakWeak
Location
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Computed from 3 filingsProvides ERP software implementation and support services centred on SAP Business One. Offers consultancy, system integration, cloud hosting, training and add‑ons to manage accounting, CRM,…
Serves UK SMEs, primarily in manufacturing, wholesale distribution, food and beverage, and chemicals and coatings, targeting business leaders and operational roles such as managing directors, IT…
Financial Health
StrongStrong · Growing, Hiring · 15% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides managed web hosting services, including hosting for WordPress, Magento and other PHP applications. Offers VPS and dedicated servers, reseller hosting, and a platform for agencies to manage…
Serves UK digital agencies, web developers, freelancers and creative teams managing client websites, including WordPress, Magento, ecommerce and PHP application projects.
Financial Health
StableStable
Location
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Financial sub-scores
Computed from 4 filingsProvides managed system integration services for IT service providers, building and hosting integrations that synchronise data between service desks, CRM, ERP and other business applications,…
Sells to MSPs, IT service providers, and businesses with ITSM, service desk, help desk, CRM or ERP systems, including teams needing managed integrations for customer support and internal operations.
Financial Health
HealthyHealthy · Growing, Hiring · 6% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides managed and co-managed IT support services for schools, including network monitoring and maintenance, cybersecurity, cloud computing, VoIP communications, and data cabling. Also offers…
Targets schools across the UK, Europe and Asia, including those with in-house IT teams and those seeking fully outsourced IT, with buyers such as school leaders, administrators and IT managers.
Financial Health
StrongStrong · Hiring · 13% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides IT consultancy and software solutions focused on Microsoft Dynamics 365 and Azure. Designs, develops and implements cloud-based business systems, including data quality management and…
Serves B2B clients and partners worldwide, especially businesses of all sizes using Microsoft Dynamics 365/Azure across varied industries that need CRM data quality, deduplication and telephony…
Financial Health
HealthyHealthy · -7% CAGR over 3y
Location
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Computed from 5 filingsProvides cyber security services including penetration testing, red team assessments, vulnerability and phishing testing, cloud and application security reviews, and physical security assessments.…
Serves public and private sector organisations, including police, NHS, central and local government, energy/CNI, rail, legal, banking, IT providers, manufacturing, housing, education and private…
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides enterprise IT delivery and engineering services including application services, software development and system integrations. Develops operating frameworks for engineering teams and Oracle…
Serves businesses with Oracle Cloud implementations, engineering teams, and internal managers or business owners needing enterprise delivery, application, integration, and operating framework support.
Financial Health
StableStable · Hiring · 41% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides web design and development services including UX design, ecommerce builds, CMS and Shopify development, and custom software and app development. Also delivers digital marketing services such…
Serves B2B organisations, including law firms, property businesses, health tech companies, ecommerce brands and other UK businesses with marketing, ecommerce or digital teams.
Financial Health
StableStable · -3% CAGR over 4y
Location
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Computed from 5 filingsProvides enterprise mobility services including staging, configuration and management of Zebra mobile devices and printers. Supports deployments with device management platforms, network integration,…
Serves B2B organisations in healthcare, transportation and logistics, manufacturing, and retail, particularly operations and IT teams managing enterprise mobile device and printing estates.
Financial Health
StableStable · Hiring · 11% CAGR over 4y
Location
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Computed from 5 filingsProvides consulting and implementation services for Microsoft business applications, including Dynamics 365 ERP. Assesses business processes, analyses operational data, resolves underperforming…
Serves B2B organisations evaluating, implementing or struggling with Microsoft Dynamics and ERP systems, particularly teams responsible for finance, operations, sales, billing and supply chain…
Financial Health
StrongStrong · Growing, Hiring · 53% CAGR over 4y
Location
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Computed from 5 filingsProvides web design and development services, building bespoke websites, web applications and intranets. Offers content management systems, SEO and online marketing support, hosting, domain…
Serves startups and established businesses of varying sizes that need web, intranet, CMS, hosting and online marketing support, including organisations seeking bespoke online systems or…
Financial Health
WeakWeak · -74% CAGR over 4y
Location
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Computed from 5 filingsProvides network infrastructure installation and support services, including structured data cabling, fibre optic cabling, Wi‑Fi network setup and maintenance, electrical installations, audio‑visual…
Serves businesses and organisations across the UK with sites or projects requiring network infrastructure, data cabling, fibre, Wi‑Fi, electrical, AV, CCTV and security support.
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
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Computed from 3 filingsProvides business telecommunications services including VoIP telephone systems, mobile phone plans, fibre broadband and Ethernet connectivity. Also supplies VoIP devices, data SIMs, call recording…
Serves businesses requiring managed telecoms, mobile contracts, broadband connectivity, VoIP systems and related support, with packages based on each organisation’s call profile and data needs.
Financial Health
StableStable · 0% CAGR over 2y
Location
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Computed from 4 filingsProvides IT consulting and software development services, including bespoke application development, cloud computing, AI and data analytics solutions, and software testing. Also offers IT strategy,…
Serves B2B organisations across diverse industries, including education, academia, technology partners, HR teams, startup founders, industry experts and training providers.
Financial Health
DistressedDistressed · 30% CAGR over 2y
Location
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How Elfsight 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. IT services 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 IT services 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.
Elfsight 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 IT services companies use Elfsight?
What share of UK IT services companies run Elfsight?
How is Elfsight usage detected?
What size IT services companies use Elfsight in the UK?
What do Elfsight-running IT services companies also run?
Can I get contact details for these companies?
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