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IT Services Companies in the UK: 123,356 Active Firms (2026)
IT services companies in the UK deliver managed technology support, infrastructure operations and outsourced digital expertise to business customers.
Buying centres tend to sit with technology, operations and finance teams rather than an isolated software owner. The customer base skews towards mid-market and enterprise organisations that need recurring support across sites, networks, workplace devices and cloud estates; regulated-industry and public-sector buyers add procurement and assurance layers. Typical engagements are not point solutions: they bundle service desk coverage, infrastructure operations, network management and implementation projects into contracts large enough to require delivery teams, customer support and project capability running in parallel.
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The UK has 123,356 actively trading IT services companies, a broad base that ranges from local support providers to outsourced infrastructure operators serving multi-site estates. Reported headcount totals 5,261 people, giving the cohort a visible employment footprint alongside the company count. The market is therefore easier to read by contract model than by label: recurring managed service work, workplace technology support and implementation projects often sit together, while scale varies from owner-managed specialists to suppliers built around larger delivery benches.
Contracts in this market are often governed less by sector-specific licensing than by the assurance requirements of buyers. Public-sector and regulated-industry customers usually push suppliers towards documented security controls, service-level commitments, audit trails, incident response processes and clear responsibility for subcontracted delivery. Outsourcing also creates market-structure pressure: procurement teams tend to favour providers that can cover infrastructure, connectivity and end-user computing together, while specialist firms survive where they own a narrow operational niche or support a buyer with complex legacy systems.
Demand appears tied to how far clients keep outsourcing operational technology work rather than rebuilding internal support teams. The cohort’s early-commercial weight suggests plenty of small suppliers will remain local or vertical specialists, while buyers with stricter assurance needs tend to consolidate spend with providers that can evidence process maturity and delivery depth. Margin pressure has been a recurring feature where service desk work is labour-intensive, so differentiation is more likely to come from security operations, cloud migration support and sector-specific workflow knowledge than from generic helpdesk coverage.
123,356
Active firms
2026
652
Above £5M
Annual revenue
29,217
Incorporated since 2022
Recent entrants
Key facts
About 1% of the trading cohort reports turnover above £5M (652 of 123,356 firms) — the rest sits below that revenue band.
23% of the cohort was incorporated since 2022 (29,217 firms), so a sizeable share is in its first few filing cycles.
UK IT services firms sell outsourced helpdesk provision, cloud and network operations, cyber support, systems integration and maintenance to business customers.
The market tends to split between people-heavy managed service providers, consultancy-led delivery firms and smaller specialists selling retained support or project-based technical work.
Scale does not always track headcount, as resale, platform-adjacent services and partner-led delivery models can lift revenue without requiring a matching staff base.
Buyer demand is linked to organisations that prefer to buy some technology capability externally rather than run every support, infrastructure and cyber function in-house.
Top UK IT Services companies
Acuative Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides managed network and IT infrastructure services including network design, deployment and monitoring, SD‑WAN and connectivity solutions, cybersecurity operations, cloud migration, field…
Serves large businesses and public-sector organisations with distributed IT estates, including retail, fast food, gas and convenience, grocery, pharmacy, banking, healthcare, manufacturing, defence…
Financial Health
StableStable · -13% CAGR over 3y
Location
Opus Business Systems Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides managed IT and communications services including unified communications, cloud telephony, contact centre platforms, cyber security, business mobile, networking, and managed print, alongside…
Serves mid-market and enterprise organisations across private and public sectors, including government, education, housing associations, healthcare, financial services, legal, retail, hospitality and…
Financial Health
HealthyHealthy · -76% CAGR over 3y
Location
Spherica Business Solutions Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides automated managed IT services including service desk support, network and infrastructure management, cloud architecture, identity and access management, and security operations. Also…
Serves IT teams and business leaders in public and private sector organisations, including transport and logistics, retail, manufacturing, financial services and not-for-profit organisations.
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
Location
AlternIT One Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides outsourced IT support and technology infrastructure services for financial services and alternative investment firms, including user support, infrastructure management, cloud infrastructure,…
Sells to businesses in financial services, especially alternative investment firms, needing outsourced IT support, infrastructure management, user support, and compliant technology services.
Financial Health
HealthyHealthy · Hiring · 30% CAGR over 4y
Location
EXAMPLE IT LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides IT services including managed support, service desk, consultancy and infrastructure deployment. Supplies and configures hardware and software, and delivers cloud, cybersecurity, network,…
Serves enterprise, mid-sized and small business organisations, plus public sector bodies, targeting IT teams and technology decision-makers seeking an IT technology partner.
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 4y
Location
NOUVEAU SOLUTIONS LIMITED
Trajectory
3y · 2020–NowFinancial sub-scores
Computed from 3 filingsProvides cloud infrastructure and cybersecurity services, including hybrid cloud, infrastructure-as-a-service, Microsoft 365 solutions, managed detection and response, endpoint management, and…
Serves private-sector businesses, public sector bodies, telecom operators and service providers, with sector focus on financial services, hospitality, retail/e-commerce, transport/logistics, research…
Financial Health
WeakWeak · -2% CAGR over 2y
Location
INTUITIVE SYSTEMS AND NETWORKS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides IT infrastructure and cybersecurity services, including network design and management, wireless and WAN solutions, collaboration systems, and managed support. Helps organisations deploy,…
Serves B2B and public-sector organisations, especially higher education institutions, healthcare providers, NHS trusts, and commercial enterprises across Europe.
Financial Health
StrongStrong · Growing · 1% CAGR over 2y
Location
REDSQUID COMMUNICATIONS LTD
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsProvides managed IT and cybersecurity services including 24/7 security operations centre monitoring, managed detection and response, penetration testing, endpoint and gateway security. Also supplies…
Sells to UK businesses and institutions needing managed IT, cloud, connectivity and cybersecurity, with clear focus on education providers, construction firms, film and production companies,…
Financial Health
WeakWeak · Hiring · 19% CAGR over 1y
Location
TRUSTED TECHNOLOGY PARTNERSHIP (HOLDINGS) LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides managed IT services, service desk support, network engineering, IT consultancy, project management, and supply and maintenance of computer hardware, primarily for healthcare organisations…
Serves NHS organisations and healthcare providers in the UK, primarily IT departments and operational teams needing external support for service desk capacity, IT projects and infrastructure…
Financial Health
DistressedDistressed · -92% CAGR over 2y
Location
I.T. PROFESSIONAL SERVICES LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT services including cloud infrastructure, data centre hosting and colocation, cyber security monitoring and assessments, network connectivity such as SD‑WAN, backup and disaster…
Serves businesses and channel partners with critical IT, data centre and communications requirements, targeting IT leaders, security stakeholders and boards managing infrastructure resilience and…
Financial Health
StableStable · -65% CAGR over 5y
Location
RAZORBLUE LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides managed IT services including cybersecurity, cloud and datacentre infrastructure, network connectivity, telephony, Microsoft consulting, and bespoke software development, with 24/7 support…
Serves UK businesses and public-sector organisations, including manufacturers, retailers, business parks, financial and legal firms, healthcare providers, hospitality and leisure operators,…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 16% CAGR over 3y
Location
RAZORBLUE GROUP LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides managed IT services including IT support, cybersecurity management, cloud and datacentre solutions, network connectivity, telephony and mobile systems, Microsoft consulting, and bespoke…
Serves UK businesses and public-sector organisations, including manufacturers, retailers, business parks, financial and legal firms, healthcare providers, hospitality and leisure operators,…
Financial Health
StrongStrong · Growing, Hiring · 13% CAGR over 3y
Location
Wanstor Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT services and technology consulting, including cloud infrastructure, cybersecurity, connectivity, data and AI solutions, digital workplace tools, and IT operations management,…
Serves CIOs, IT managers, operations and finance leaders in not-for-profit organisations, housing associations, legal services firms, consultancies and hospitality businesses.
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 4y
Location
Croft Communications Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT services and communications solutions for businesses, including IT support, cybersecurity, cloud services, hardware‑as‑a‑service, unified communications, connectivity, contact…
Serves UK and international B2B and public-sector organisations, including SMBs, large enterprises, schools, universities, multi-academy trusts and other public bodies.
Financial Health
HealthyHealthy · -52% CAGR over 4y
Location
Coretech Solutions Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides enterprise IT services and outsourcing, including help desk support, PC refresh and deployment, software distribution, printing services, and on-site or remote management of IT…
Serves businesses and enterprise IT departments managing complex infrastructure, end-user productivity, networks, software, email and operating systems, including organisations seeking partial or…
Financial Health
WeakWeak
Location
Cisilion Group Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides IT infrastructure products and services including network and cloud solutions, cybersecurity systems, digital workplace technologies, and data and AI platforms. Offers consultancy, project…
Serves corporate and public sector organisations, including finance, legal, insurance and professional services firms, plus healthcare and local government bodies seeking enterprise IT support.
Financial Health
StableStable
Location
SYNAPSE CONSULTANTS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT services including infrastructure design and management, private cloud hosting, data storage, backup and disaster recovery, and cyber recovery. Supports sectors such as…
Serves businesses and institutions in regulated sectors, including healthcare providers, financial institutions, legal practices and higher education organisations across the UK, Ireland, Isle of Man…
Financial Health
StableStable · Hiring · 5% CAGR over 4y
Location
VITRX LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides IT infrastructure and managed technology services, including cloud solutions, networking and Wi‑Fi, data centre systems, cybersecurity, and workplace collaboration tools. Also offers…
Serves businesses and organisations of all sizes across industries in the UK, targeting IT, operations and procurement decision-makers responsible for workplace technology, infrastructure, cloud,…
Financial Health
HealthyHealthy · Hiring · 44% CAGR over 3y
Location
Highgate IT Solutions Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT services including cloud infrastructure, cybersecurity, networking, datacentre and workspace solutions. Delivers IT support, lifecycle management, telecommunications and…
Serves UK businesses across multiple industries, targeting organisations needing outsourced IT support and account-managed technology procurement, including teams responsible for security, cloud,…
Financial Health
HealthyHealthy · Hiring · 46% CAGR over 4y
Location
ACADEMIA LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsSupplies and supports Apple and Microsoft based IT solutions including hardware, software, cloud, cybersecurity and device management. Provides managed and professional IT services, lifecycle…
Serves educational institutions, public sector organisations, charities, creative and media organisations, and businesses buying Apple, Microsoft and wider IT services.
Financial Health
HealthyHealthy · -76% CAGR over 3y
Location
Centiant Intl Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides IT systems integration and infrastructure services for public sector organisations, including networking, data centre and virtualisation platforms, telephony systems, and cloud transition…
Serves UK public sector organisations, including central government departments, local authorities, defence bodies and non-ministerial departments needing secure IT infrastructure and cloud…
Financial Health
StableStable · Hiring · 5% CAGR over 2y
Location
NEW TECHNOLOGY GROUP HOLDINGS PLC
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsHolding company for technology and communications businesses providing managed IT services, cloud infrastructure, cybersecurity, and professional IT support, alongside cloud communications solutions…
Serves commercial organisations of all sizes seeking managed IT, cloud communications, unified communications, contact centre and mobile technology services.
Financial Health
DistressedDistressed
Location
SISL INFOTECH (UK) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT services and technology solutions for enterprises, telecommunications companies and system integrators. Services include IT infrastructure management, technology procurement and…
Serves B2B customers, including global system integrators, telecommunications companies and enterprise organisations with international IT operations and multi-region technology partner needs.
Financial Health
HealthyHealthy · -61% CAGR over 4y
Location
SYS SYSTEMS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides information technology and business process services including digital transformation consulting, cloud migration and operations, data and analytics, AI solutions, application development,…
Serves enterprise and public-sector clients globally, with a focus on communications, banking and financial services, government, healthcare and retail organisations seeking technology-led…
Financial Health
StableStable · -67% CAGR over 4y
Location
SERVICETEC GLOBAL SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides IT support and managed services for airport technology systems, including service desk operations, on‑site technical support, IT projects, consultancy, staff augmentation, and IT asset…
Serves B2B customers in the aviation sector, primarily airport operators and airport IT teams at large, busy airports managing operational and passenger-facing systems.
Financial Health
WeakWeak · -71% CAGR over 4y
Location
Recarta IT Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides IT infrastructure and managed services including design, deployment and management of enterprise servers and storage. Offers cloud hosting, backup and disaster recovery, remote monitoring,…
Serves UK businesses and public sector organisations with business-critical IT estates, particularly in financial services, manufacturing, distribution and retail, as well as teams managing…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 15% CAGR over 2y
Location
THREATSPIKE LABS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides subscription-based managed IT and cybersecurity services, including 24/7 helpdesk support, cloud and infrastructure management, incident detection and response, vulnerability scanning, and…
Serves B2B organisations globally, from fast-moving scale-ups to enterprises operating across multiple countries, particularly teams needing ongoing IT, cybersecurity, compliance and security testing…
Financial Health
StrongStrong · Growing, Hiring · 40% CAGR over 3y
Location
SUNDOWN SOLUTIONS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides IT consultancy and managed services focused on cloud transformation, data and AI, and modern workplace platforms. Develops software tools for data review, migration and security, and…
Serves public and private sector organisations, particularly enterprises needing cloud transformation, managed IT services, Microsoft/Azure, data and AI, modern workplace, content migration and…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 2y
Location
TELAPPLIANT LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT services, cloud and on‑premise telephony systems, business internet connectivity including leased lines and fibre broadband, and managed cybersecurity. Also delivers IT…
Serves UK-based enterprises, charities, schools, healthcare and social care providers, manufacturers, hospitality operators, and public sector organisations.
Financial Health
StableStable · Hiring · 5% CAGR over 4y
Location
High Point Solutions Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides IT services including network infrastructure, cybersecurity, and hybrid‑cloud solutions. Offers technology advisory, system integration, managed IT services, lifecycle and asset management,…
Serves enterprises and mid-market organisations needing IT infrastructure support, particularly technology leaders responsible for networks, cybersecurity, hybrid cloud, managed services and digital…
Financial Health
StableStable · -1% CAGR over 2y
Location
Doherty IT Solutions Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT support and consultancy, including 24/7 service desk operations, cybersecurity monitoring and assessments, cloud migration and management, Microsoft 365 and Azure services, backup…
Serves organisations needing outsourced or co-managed IT, especially Microsoft-based environments. Targets business IT teams and decision-makers, including security- and compliance-focused firms such…
Financial Health
HealthyHealthy · 1% CAGR over 4y
Location
Krome Technologies Ltd
Trajectory
2y · 2019–NowFinancial sub-scores
Computed from 2 filingsProvides managed IT services including cloud infrastructure, Microsoft 365 and Azure support, cybersecurity monitoring, data backup, and IT helpdesk support. Delivers IT consultancy, outsourced IT…
Serves businesses and internal IT teams needing external technology support, with buyers focused on security, compliance, Microsoft cloud, hybrid infrastructure, employee experience and IT project…
Financial Health
StrongStrong · Profitable, Growing · 0% CAGR over 1y
Location
ILUX ELAAS LTD
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides managed IT services including technical support, service desk operations, IT consultancy, infrastructure management, cloud migration, backup and disaster recovery, cybersecurity, and VoIP…
Serves businesses and organisations in education, health and social care, hospices, legal services and high-growth technology, including schools, care providers, solicitors and scaling companies.
Financial Health
HealthyHealthy
Location
Fordway Solutions Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides managed IT and cloud services focused on Microsoft technologies, including Azure cloud migration and management, Microsoft 365 support, security and compliance services, licensing advice,…
Serves IT teams and technology leaders in UK businesses and public sector organisations seeking Microsoft Azure, Microsoft 365, security, licensing and managed IT support.
Financial Health
DistressedDistressed · -14% CAGR over 3y
Location
DECORUS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides enterprise IT services and technology solutions, including cloud and data centre infrastructure, networking, cybersecurity, software licensing, virtual desktop systems, IT asset management…
Serves businesses and enterprise organisations, particularly IT leaders and procurement teams needing end-user, data-centre and cloud technology, software licensing, cybersecurity and infrastructure…
Financial Health
StableStable · 0% CAGR over 4y
Location
Simoda Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides IT services including cloud computing, cybersecurity, enterprise networking, business connectivity, virtual desktop infrastructure and managed IT support. Also develops and delivers…
Serves businesses and organisations of all sizes across the UK and Europe, including teams responsible for IT, security, cloud infrastructure, connectivity and digital transformation.
Financial Health
StrongStrong · Growing, Hiring · 46% CAGR over 4y
Location
ITC Service Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT support and technology services for businesses, including service desk support, Microsoft 365 management, cybersecurity, cloud services, network connectivity, VoIP telephony,…
Serves businesses and public sector organisations across the UK, including engineering, manufacturing, construction, health and social care, charities, legal, financial, hospitality and leisure…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 4y
Location
VIZST TECHNOLOGY LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides IT services including cyber security, network infrastructure, cloud services and managed IT support. Designs and deploys visual technology such as video walls, digital signage and meeting…
Serves businesses and public sector organisations in education, healthcare, local government, professional services, retail, hospitality and manufacturing, particularly those with large user bases,…
Financial Health
HealthyHealthy · Hiring · 22% CAGR over 4y
Location
SMARTDESC LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides managed IT services for charities, non‑profit and public sector organisations, including IT strategy consulting, helpdesk support, Microsoft 365 and cloud services, infrastructure design,…
Serves charities, nonprofit organisations, education providers and public sector bodies, primarily targeting IT, digital, security and senior leadership teams within civil society and mission-led…
Financial Health
StrongStrong · -2% CAGR over 2y
Location
The Networking People (TNP) Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides network infrastructure consultancy, design and support services, including internet connectivity, WAN and LAN design and build, microwave and radio engineering, unified communications,…
Serves public sector and business organisations, including higher and further education institutions, schools and colleges, local government, NHS bodies, service providers and wholesale telecoms…
Financial Health
HealthyHealthy · Profitable · 3% CAGR over 2y
Location
Assured Digital Technologies Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides managed IT services including cloud infrastructure, cybersecurity, enterprise networking and telecoms. Offers cloud migration, virtualisation, disaster recovery, process automation, and…
Serves B2B organisations, from small businesses to large enterprises, plus non-profits, across various industries needing secure, compliant cloud and IT operations support.
Financial Health
DistressedDistressed · -9% CAGR over 1y
Location
Northdoor plc
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides IT consultancy and managed services including data security, cloud and on‑premises infrastructure, data storage, analytics and AI solutions. Offers application development, legacy migration,…
Serves B2B and public sector organisations with complex data, security and infrastructure needs, particularly in insurance, banking and finance, retail, media, charities and not-for-profits.
Financial Health
StableStable · 3% CAGR over 2y
Location
Data Installation & Supplies (Northern) Ltd
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides IT and network infrastructure services including connectivity, SD‑WAN, wireless networks, cloud hosting, cybersecurity, IP CCTV and access control. Also installs fibre and ethernet cabling…
Serves B2B organisations, particularly food production, warehousing and logistics, retail and manufacturing businesses, including teams responsible for connectivity, IT infrastructure and security.
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 2y
Location
COMPUTEAM HOLDINGS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides IT services and technology solutions for schools and multi‑academy trusts, including managed IT support, network and Wi‑Fi infrastructure, cybersecurity and safeguarding systems, VoIP…
Serves UK education organisations, primarily multi-academy trusts, primary schools and secondary schools. Targets decision-makers and users including CFOs, education leads, headteachers, IT managers,…
Financial Health
HealthyHealthy
Location
COMPUTEAM LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT services and technology solutions for schools and multi‑academy trusts, including network and Wi‑Fi infrastructure, internet safeguarding, cybersecurity, VoIP telephony, classroom…
Serves the UK education sector, targeting multi-academy trusts, secondary schools and primary schools, including CFOs, education leads, headteachers, IT managers, support staff and educators.
Financial Health
HealthyHealthy · -62% CAGR over 4y
Location
FIFOSYS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides managed IT services and cybersecurity solutions for businesses, including co‑managed IT support, network monitoring, cloud services, threat protection, compliance support, and managed…
Targets growing UK businesses, especially multi-site organisations and firms with internal IT teams, across sectors such as leisure, property, executive search and professional services.
Financial Health
StrongStrong · Growing, Hiring · 52% CAGR over 2y
Location
FITZROVIA I.T. LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT services including helpdesk support, cloud and Azure management, cybersecurity, infrastructure hosting, and connectivity. Delivers migration, Microsoft 365 optimisation, device…
Serves UK businesses, particularly professional services firms in accounting, legal, financial advisory, wealth management, insurance and risk services, with buyers including operations and IT…
Financial Health
HealthyHealthy · -66% CAGR over 4y
Location
Wavex Technology Limited
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT services for businesses including IT support, network operations, cloud migration and management, cybersecurity monitoring, backup and disaster recovery, and IT consulting. Also…
Serves London SMEs and local, national and international organisations, including finance, property, not-for-profit and public sector buyers seeking outsourced or co-managed IT support.
Financial Health
StableStable · -7% CAGR over 6y
Location
Pioneer IT Support Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT services for businesses, including technical support, IT consultancy, hardware supply, network and infrastructure management, cybersecurity, backup and disaster recovery,…
Serves B2B customers, primarily London-based SMEs and larger multi-site organisations, including retail, property, fashion and legal services firms that need outsourced IT, connectivity and…
Financial Health
StrongStrong · Growing, Hiring · 25% CAGR over 4y
Location
Servnet Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides IT infrastructure and support services including data storage, network connectivity, data centre compute, backup and recovery, and cloud services. Also offers cybersecurity solutions,…
Serves UK enterprises and growing businesses with in-house IT, infrastructure, security and operations teams needing data centre, cloud, cybersecurity, procurement and global IT supply support.
Financial Health
StableStable
Location
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How UK IT Services companies work and how to sell to them
What they do
IT services providers usually earn through recurring service contracts, project fees and resale margins on hardware, connectivity or third-party software. Managed support is often priced per user, device, site or service-level tier, with extra charges for out-of-hours cover, onboarding, migrations and engineering days. Infrastructure and cloud operations may run as monthly retainers with usage pass-through, while advisory work and implementation projects are scoped separately. The commercial model is therefore a mix of labour utilisation, procurement margin and recurring support revenue, with delivery quality judged through uptime, response times, resolution speed and the ability to keep client environments documented.
Who they sell to
Most sell to IT directors, CIOs, operations leaders, finance teams and procurement functions inside mid-market, enterprise, regulated-industry and public-sector organisations. Smaller clients may buy through direct relationships and referral, but larger estates tend to use formal tenders, framework-style procurement, security questionnaires and service-level negotiation. Contract value usually follows estate complexity rather than employee count alone: multi-site support, legacy systems, user volume and compliance obligations all raise the scope. Sales cycles can be short for a helpdesk handover, but managed infrastructure, connectivity and security operations typically require discovery workshops, incumbent transition planning and board-level comfort on service risk.
What they buy
Most IT services firms tend to spend on tools that reduce ticket cost, standardise delivery and prove service quality to clients. Common categories include service desk platforms, remote monitoring, endpoint management, identity and access control, backup, security monitoring, asset discovery, documentation, quoting, billing and contract management. Larger providers also buy cloud capacity, connectivity, professional indemnity cover, cyber insurance, recruitment support and training for technical certifications. Finance, HR and project-management systems matter because the operating model depends on scheduling engineers, tracking utilisation, renewing customer contracts and matching recurring revenue to support costs.
Why and how to sell to them
Buying triggers tend to be operational rather than fashionable. An IT services buyer may review suppliers after winning a client with stricter assurance requirements, taking on a new region, absorbing another support team, missing service-level targets, or facing a security audit. Headcount growth also exposes gaps in onboarding, knowledge management and engineer utilisation. Outbound usually lands better when it connects to margin, service evidence or risk transfer: fewer repeat tickets, faster transition from project to support, cleaner contract renewals, clearer audit trails, or a way to support more endpoints without adding the same number of engineers.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. 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.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
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