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IT Integration Companies in the UK: 4,145 Active Firms (2026)
IT integration companies in the UK connect business applications, infrastructure and data flows for public and private-sector organisations.
Buying centres tend to sit with CIO and CTO teams, enterprise architecture, operations technology, finance transformation and public-sector digital programmes. The commercial model is usually services-led: discovery, integration design, migration, testing, run support and managed operations wrapped around application and infrastructure estates. Buyers are mainly mid-market, enterprise, public-sector and regulated organisations, where contracts involve multi-workstream delivery, supplier coordination and ongoing service responsibility rather than a standalone software sale. Smaller specialists still appear, but the natural centre of gravity is a delivery organisation able to put consultants, engineers and support staff around a live change programme.
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Across the UK, 4,145 IT integration companies are actively trading, a sizeable base for a market that depends on enterprise change programmes and public-sector technology estates. The employment footprint is more concentrated than the company count suggests: firms reporting headcount account for 5,969 people, reflecting delivery teams often assembled around projects, support desks and managed operations. That leaves a long tail of consultancies and project-led specialists alongside a smaller set of firms with the revenue profile expected for national integration work.
Procurement and assurance matter as much as technical fit, particularly where programmes touch public-sector estates or regulated operating environments. Buyers tend to ask for evidence of delivery governance, security controls, service continuity and auditability before large migration or integration work is awarded. The market structure also favours providers that can combine consulting, implementation and managed operations, because integration failure is usually an operational risk rather than a feature gap. That gives incumbent service relationships some weight, while leaving room for specialists with credible migration, data-integration or network-integration delivery capacity.
Demand appears tied less to new system buying than to the hard work of making existing estates interoperable. Integration firms tend to benefit when organisations rationalise applications, move workloads, replace legacy processes or bring operational data into reporting and automation layers. Margin pressure has been a recurring issue, since buyers can separate architecture, delivery and support across different suppliers. Consolidation therefore looks plausible among firms with repeat public-sector or enterprise delivery credentials, while smaller consultancies may remain viable where domain knowledge or local service relationships matter more than scale.
4,145
Active firms
2026
335
Above £5M
Reported revenue
290
Recent incorporations
Since 2022
Key facts
About 8% of the trading cohort reports turnover above £5M (335 of 4,145 firms) — the rest sits below that revenue band.
6% of the cohort was incorporated since 2022 (290 firms), so a sizeable share is in its first few filing cycles.
IT integration work joins business applications, infrastructure and data flows for public and private-sector organisations.
The segment sits between software delivery, managed services and consultancy, so supplier models tend to mix project delivery with longer-running support.
Buyers tend to use integration partners when fragmented systems need to exchange information or legacy platforms need to connect with newer tools.
Procurement often favours firms able to act as a single implementation partner rather than several narrower specialist contractors.
Top UK IT Integration companies
Visionet EMEA Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides IT consulting, systems implementation, outsourcing and managed support services, including ERP and CRM platforms, e‑commerce systems, cloud migration, data analytics, automation, and…
Serves enterprises and public sector organisations in retail, consumer goods, healthcare, life sciences, banking, financial services, insurance and telecoms seeking technology-led transformation.
Financial Health
StableStable · Hiring · 100% CAGR over 4y
Location
Sword Technology Solutions Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides IT consulting and technology services including software development, cloud platform implementation and migration, data and analytics solutions, cybersecurity services, digital workplace…
Serves B2B enterprise and large organisations across 50 countries, targeting IT, digital workplace, data, security, managed services and information management teams.
Financial Health
StableStable
Location
Shivom Consultancy Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides IT consulting and managed services including data engineering, business intelligence and analytics, AI and automation, cybersecurity, and cloud and DevOps. Supports organisations with…
Serves enterprise organisations in the public and private sectors, with strong emphasis on UK government departments, regulated public bodies and critical infrastructure providers undertaking digital…
Financial Health
StrongStrong · Growing, Hiring · 37% CAGR over 4y
Location
Arribatec UK Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides IT and business consulting services including ERP implementation, cloud infrastructure, systems integration, data and analytics platforms, security and compliance, and software development.…
Sells primarily to businesses and public sector organisations needing business applications, IT and management systems, with named focus on banking, construction, energy, higher education, health,…
Financial Health
StableStable · Profitable · 5% CAGR over 2y
Location
Somerford Associates Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides IT security, data analytics and cloud technology solutions, partnering with vendors such as Splunk, Cisco and Okta. Offers consulting, system design, implementation, migration, and support…
Sells mainly to large organisations and public sector bodies needing cloud, security and data solutions, including government departments, defence, local councils, and enterprises in retail,…
Financial Health
StrongStrong · Profitable, Growing · 3% CAGR over 2y
Location
mLogica UK Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides software platforms and consultancy for enterprise IT modernisation, including cloud migration, mainframe and distributed application modernisation, database refactoring, big data ingestion…
Targets large enterprises, Fortune 1000 companies and public sector agencies with complex legacy IT environments, especially in healthcare/life sciences, financial services, telecommunications,…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
HARMAN CONNECTED SERVICES UK LIMITED
Trajectory
4y · 2020–NowFinancial sub-scores
Computed from 4 filingsProvides information technology services including software development, system integration, application management, cloud consulting, cybersecurity, data analytics, and business process services.…
Sells to businesses and public sector organisations seeking technology and consulting support, including buyers in banking, insurance, telecoms, media, retail, education, healthcare, life sciences,…
Financial Health
DistressedDistressed · -66% CAGR over 5y
Location
Torry Harris Business Solutions (Europe) Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides software development and IT consulting focused on digital transformation, including systems and application integration, API management platforms, cloud migration and management, data…
Serves large enterprises and public-sector organisations, with emphasis on telecom/CSPs, financial services, insurance, logistics, healthcare, government agencies and global capability centres.
Financial Health
StableStable · Profitable · -23% CAGR over 2y
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
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
NETWORKOLOGY LTD
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides IT consulting and engineering services including network and communications architecture, infrastructure design and implementation, data analytics platforms such as Splunk, automation, and…
Serves UK defence, government and wider public sector IT teams, plus private sector organisations operating in regulated environments that need specialist network, communications, data and…
Financial Health
HealthyHealthy · Hiring · 23% CAGR over 2y
Location
Tecknuovo Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides technology and digital transformation consultancy including software engineering, cloud and DevOps platform development, data and AI services, testing, product delivery, and architecture…
Serves UK government, public sector bodies and critical enterprise organisations, including energy and utilities, telecommunications, healthcare, financial services and defence buyers undertaking…
Financial Health
HealthyHealthy · -56% CAGR over 5y
Location
Through Technology Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides IT consultancy and delivery assurance for cloud and infrastructure transformation projects. Services include solution architecture, programme assurance, cloud and application migration,…
Serves major enterprise-scale organisations in the UK, including public sector bodies and large businesses undertaking digital transformation, cloud, infrastructure and security programmes.
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 4y
Location
Influential Software Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides IT and software consultancy, developing bespoke business applications, ERP and CRM systems, and web platforms. Delivers cloud migration, systems integration, data analytics, DevOps services,…
Serves B2B and public-sector organisations, from start-ups and SMEs to FTSE 100 enterprises, across industries including publishing, finance, government and retail in the UK, Europe and US.
Financial Health
HealthyHealthy · -5% CAGR over 4y
Location
Aire Logic Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides IT consultancy and software development services including data analytics, DevOps, enterprise architecture and cloud solutions. Works with healthcare, government and education organisations…
Serves public-sector and purpose-led organisations, with a focus on national, regional and local NHS partners, plus healthcare, education and government bodies across the UK.
Financial Health
HealthyHealthy · Hiring · 22% CAGR over 2y
Location
Chakray UK Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides technology consulting and implementation services focused on system integration, API management, data governance, and security architecture. Designs and builds integration platforms, data…
Serves enterprise and public sector organisations, including healthcare, banking and finance, telecoms, retail, education and manufacturing, typically technology and data teams managing complex…
Financial Health
HealthyHealthy · Hiring · 32% CAGR over 4y
Location
OPEN ANSWERS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital technology and platform engineering services, including development of web and mobile applications, API‑led systems integration, and design and management of secure cloud and…
Serves blue-chip private-sector organisations and public sector bodies, plus UK businesses using HMRC Making Tax Digital tools. Targets buyers needing secure digital platforms, cloud integration and…
Financial Health
HealthyHealthy · -66% CAGR over 4y
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
Neosalpha Technologies Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital transformation and systems integration services, including cloud application development, data and analytics, and API integration. Implements and integrates enterprise platforms such…
Serves mid-market and large enterprises, including global brands, seeking technology partners for integration, cloud, AI, automation, enterprise applications, data, HR, finance, e-commerce and CRM…
Financial Health
StrongStrong · Growing, Hiring · 28% CAGR over 4y
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
First Technology Holdings Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides IT infrastructure and technology services including hybrid cloud and datacentre solutions, cybersecurity, networking, managed IT services, hardware and software supply, and professional…
Serves businesses and organisations with internal IT, operations and leadership teams responsible for cloud infrastructure, cybersecurity, networking, Microsoft environments, workplace technology,…
Financial Health
StrongStrong · 53% CAGR over 2y
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
Audacia Consulting Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides software development and technology consultancy services, delivering digital transformation projects including custom software platforms, data engineering, AI and machine learning solutions,…
Serves enterprise and public-sector organisations with complex, mission-critical technology needs, including engineering leaders, digital transformation teams and internal delivery teams seeking…
Financial Health
HealthyHealthy · Hiring · 15% CAGR over 4y
Location
SA GROUP LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides technical and business consultancy services focused on cyber security, digital integration and transformation, project, programme and portfolio management (P3M), systems engineering, and…
Serves defence and other public-sector buyers, as well as organisations with complex secure digital environments and large-scale programmes requiring specialist consultancy partners.
Financial Health
StableStable · -66% CAGR over 4y
Location
Solutions PT Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides industrial IT and operational technology solutions for manufacturers and infrastructure operators, including SCADA/HMI and MES systems, data historians and analytics, industrial networking,…
Serves industrial enterprises and operations teams in sectors such as water, energy, food and infrastructure, including OEMs, machine builders and system integrators managing plant, assets and…
Financial Health
HealthyHealthy · Profitable · -1% CAGR over 2y
Location
LTIMindtree UK Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides IT and digital technology services including application development, systems integration, application management, testing and support. Also delivers cloud, data analytics, AI, cybersecurity…
Serves large enterprises on a B2B basis, particularly major organisations in banking, capital markets, media, energy, healthcare, insurance, life sciences, manufacturing, retail, travel and…
Financial Health
StrongStrong · 38% CAGR over 2y
Location
Kick ICT Group Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides IT services and business software solutions including Microsoft Dynamics and Power Platform implementation, Infor and Pegasus ERP systems, managed IT support, cloud hosting, cybersecurity,…
Sells to businesses and organisations needing IT, finance and communications systems, especially SMEs and enterprise teams in housing, charities, construction, education, and wholesale and…
Financial Health
StrongStrong · -1% CAGR over 2y
Location
Brightstrand International Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides IT infrastructure and mission‑critical system services, specialising in HP NonStop platforms. Offers managed services, onsite and remote support, multiplatform system management, and…
Serves enterprises and public-sector organisations with mission-critical IT environments, especially HP NonStop users, across banking and finance, telecoms, government, healthcare, retail and…
Financial Health
WeakWeak · -70% CAGR over 4y
Location
KAAR TECHNOLOGIES UK LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides SAP consulting and implementation services, including deployment and configuration of SAP software, migration to SAP S/4HANA, cloud adoption through RISE and GROW with SAP, and ongoing…
Sells to UK and Ireland organisations that are new to SAP or already use SAP, targeting business leaders and IT teams managing enterprise systems and digital transformation programmes.
Financial Health
HealthyHealthy · Hiring · 56% CAGR over 4y
Location
INFOMENTUM LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides system integration and process automation services, implementing platforms such as Salesforce and MuleSoft. Offers data integration, AI enablement, managed support, training, and…
Serves public sector organisations—police forces, NHS bodies, local authorities, social housing and higher education providers—alongside large enterprises in sectors such as insurance and defence.
Financial Health
WeakWeak · 1% CAGR over 4y
Location
MOBILISE CLOUD SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides cloud consulting and engineering services including DevOps, cloud architecture, full‑stack development, data and AI solutions, and agile delivery. Offers managed support, cloud migration,…
Serves enterprises and UK public sector bodies, including government, policing, archives and aviation services, with cloud transformation needs and internal technology teams requiring specialist…
Financial Health
HealthyHealthy · -65% CAGR over 4y
Location
TRUSTCO P.L.C.
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides IT infrastructure and cloud services including hybrid cloud design and deployment, data centre consolidation, containerised data centres, cybersecurity, managed IT support, and multi‑vendor…
Serves UK commercial and public sector organisations, particularly IT leaders and in-house IT teams seeking hybrid cloud, data centre, cybersecurity and managed IT support.
Financial Health
HealthyHealthy · Profitable, Hiring · 20% CAGR over 1y
Location
BLUESMITH INFORMATION SYSTEMS LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides data engineering and software development services, including design and build of data warehouses, business intelligence platforms, and high‑volume transactional applications. Also…
Serves B2B and public sector clients, especially large organisations with complex IT environments. Targets IT departments and in-house teams in retail, telecoms, insurance, consulting, higher…
Financial Health
HealthyHealthy · -66% CAGR over 4y
Location
DIAZONE COMPUTER SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides IT consultancy and managed technology services, including implementation and support of business software such as Sage, SAP Business One and Microsoft Dynamics, plus cloud hosting,…
Serves business owners, finance, operations and IT teams in mid-market organisations, especially warehousing and distribution, manufacturing, professional services, non-profits, chemicals,…
Financial Health
StableStable · Hiring · 10% 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
Intelisense It Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides IT consulting and implementation services focused on Microsoft technologies, including Dynamics 365 ERP and CRM systems, Power Platform applications, Azure data platforms, and cloud…
Sells to organisations of all sizes, especially growing UK businesses in manufacturing, professional services and retail, alongside public sector bodies and not-for-profit organisations.
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
STRYPES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides outsourced software engineering and IT services including application development, modernization and management, DevOps, IT infrastructure, cybersecurity, and digital transformation…
Serves B2B clients in high tech, automotive, OEM manufacturing, transport and logistics, and industrial automation, typically organisations seeking outsourced software and IT delivery capacity.
Financial Health
WeakWeak · -66% CAGR over 4y
Location
Nicander Limited
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides software development, consulting, and support services for intelligent transport and infrastructure systems. Builds traffic management platforms, asset and fault management software, and…
Serves local and national government bodies, transport authorities/operators, emergency services and private-sector infrastructure organisations managing road networks, tunnels, traffic systems and…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 3y
Location
Mercurius IT Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides consulting, implementation, customisation and support for Microsoft Dynamics 365 ERP and CRM systems, including Business Central and Finance & Operations. Also offers system integration,…
Serves SMBs and larger organisations, especially in manufacturing, wholesale and distribution, retail/ecommerce, healthcare/pharma, construction, fashion, services, sports, utilities and nonprofits…
Financial Health
StrongStrong · Growing, Hiring · 22% CAGR over 4y
Location
DACC Europe Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides structured cabling and network infrastructure integration, including design and installation of data centre systems, mechanical and electrical services, managed IT infrastructure support,…
Serves B2B clients including blue-chip organisations, data centre operators, railway projects, banks, pharmaceutical and automotive manufacturers, commercial interiors firms and educational…
Financial Health
HealthyHealthy · Hiring · 34% CAGR over 2y
Location
OLR GROUP LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides software consultancy and system integration focused on Oracle Retail platforms. Implements, upgrades and supports retail applications including merchandising systems, Xstore POS, omnichannel…
Serves global enterprise retailers using Oracle Retail systems, including merchandising, POS, omnichannel and e-commerce platforms, across sectors such as fashion, consumer goods, homeware, books and…
Financial Health
DistressedDistressed
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
Zaizi Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital transformation consultancy for government and public sector organisations, including strategy, service design, software engineering, cloud architecture, automation and AI…
Serves public sector organisations and government decision-makers, particularly teams in border security, national security and wider government departments or statutory bodies responsible for…
Financial Health
HealthyHealthy · Hiring · 20% CAGR over 4y
Location
Pro-Active Solutions & Services Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides enterprise IT consulting and managed services including cloud infrastructure design and migration, cybersecurity and compliance solutions, data centre transformation, backup and recovery,…
Serves enterprise organisations and their IT leadership teams, including firms with hybrid or multi-cloud environments, compliance requirements, data centre estates and internal skills gaps, seeking…
Financial Health
HealthyHealthy · Hiring · 144% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital transformation and IT consulting services, implementing enterprise platforms including Salesforce and SAP ERP. Delivers system integration, CRM, data analytics and AI solutions for…
Serves B2B and nonprofit organisations, from small businesses to large enterprises, in manufacturing, financial services, automotive and the third sector, targeting leaders responsible for…
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
Whitespider Enterprise Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides IT consulting and managed services focused on software-defined networking and enterprise infrastructure. Designs, deploys and manages SD‑WAN, wireless networks, firewalls and security…
Serves enterprise and public sector IT buyers, especially organisations in healthcare, manufacturing and retail. Targets teams responsible for network infrastructure, security and digital…
Financial Health
StableStable · Hiring · 12% CAGR over 4y
Location
Support Revolution Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides third‑party support and managed services for enterprise software including Oracle, SAP and VMware. Services include issue resolution, security updates, database and infrastructure health…
Serves B2B organisations of all sizes running Oracle, SAP and VMware enterprise software, targeting IT, ERP, database and infrastructure teams across mid-sized businesses and large global enterprises.
Financial Health
HealthyHealthy · Hiring · 20% CAGR over 2y
Location
Block Solutions Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides IT infrastructure and digital transformation services, including network design and management, collaboration and unified communications systems, and smart building technology integration…
Serves healthcare providers, education institutions and enterprise organisations across sectors and sizes, including NHS trusts and teams responsible for digital infrastructure, workplace technology…
Financial Health
StrongStrong · Profitable · 28% CAGR over 1y
Location
COGNITY UK LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides IT consulting and implementation of customer engagement and CRM systems, including cloud CX platforms, order management, business intelligence, data governance, portals, and service…
Serves B2B clients in telecommunications and financial services, targeting sales, service, marketing, IT and operations teams responsible for customer engagement, order management, analytics, data…
Financial Health
StrongStrong · Profitable, Growing · 0% CAGR over 4y
Location
Aqovia UK Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital and cloud consulting and engineering services including cloud migration and optimisation, managed hybrid cloud operations, DevOps implementation, and software-defined networking…
Serves B2B organisations needing digital transformation, including enterprises in media, data centres, energy and technology sectors, with buyers such as operations, ICT and strategic planning…
Financial Health
StrongStrong · Growing, Hiring · 40% CAGR over 4y
Location
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How UK IT Integration companies work and how to sell to them
What they do
Revenue is usually earned through project delivery and recurring service responsibility rather than licences alone. Typical engagements combine advisory work, architecture, configuration, migration, testing, change management and post-go-live support, with pricing built from day rates, fixed-price work packages, milestone payments and managed-service retainers. Many firms also resell or implement third-party software and infrastructure, but the margin often sits in making heterogeneous systems work inside a buyer’s existing estate. Commercial risk is tied to delivery scope, acceptance criteria, service levels and the quality of handover from project teams into support.
Who they sell to
Most sell to organisations with complex application, data or infrastructure estates: mid-market firms with ageing systems, large enterprises with multi-supplier environments, public-sector bodies and regulated operators. The buying group typically includes CIOs, CTOs, enterprise architects, programme directors, heads of operations, CISOs, finance transformation leads and procurement teams. Sales cycles tend to run through workshops, scoping, security review, commercial negotiation and procurement, rather than a self-serve motion. Larger opportunities often arrive through tenders, framework agreements, incumbent supplier relationships or partner-led referrals, with direct sales still important where a specialist capability is being sought.
What they buy
Most IT integration firms tend to spend on tools and services that improve utilisation, delivery control and customer assurance. Common internal categories include CRM, bid management, professional-services automation, time capture, project accounting, resource planning, service management, contract management, finance systems and HR software. Delivery teams also buy cloud hosting, test environments, monitoring, observability, identity and access management, endpoint security, backup, disaster recovery, data integration tooling and documentation platforms. External spend often covers cyber certification support, legal review, specialist recruitment, contractor management, insurance, account-based marketing and analyst relations where firms are trying to enter larger procurement processes.
Why and how to sell to them
IT integration buyers tend to evaluate vendors when delivery pressure exposes a constraint: rising utilisation, project overruns, support backlogs, security questionnaires, audit demands or difficulty staffing specialist skills. Other triggers include a new framework win, a move into managed operations, leadership change in delivery or commercial teams, and a run of larger enterprise or public-sector bids. Outbound works better when it links to margin, governance and delivery risk rather than abstract productivity. Useful angles include reducing non-billable administration, shortening bid cycles, proving security controls, improving handover into support, or giving managers clearer visibility of project profitability.
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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