IT Companies in London

hSo

London

hSo provides cloud, network and IT security services to businesses and public sector organisations in the UK, including connectivity solutions, managed cloud platforms and unified communications. It serves clients such as central and local government, charities, educational institutions and commercial enterprises across sectors like finance, healthcare and retail.

HSSL Technologies

London

HSSL Technologies is a global technology partner connecting data centres, clouds and AI infrastructure for enterprises, government agencies and hyperscalers, trusted by more than 15,000 organisations worldwide. The company deploys mission-critical applications across private, public and hybrid clouds, engineers data centre infrastructure from greenfield design to all-flash storage and software-defined operations, and modernises networking with SD-WAN orchestration and 400G and 800G fabrics. HSSL Technologies builds AI and HPC platforms including NVIDIA Blackwell GB200 and GB300 NVL72 rack-scale systems, DGX SuperPOD and AMD Instinct accelerators, backed by a partner ecosystem of more than 200 technology vendors and a 24/7 service uptime SLA.

HUB Intranet

London

Internal communications intranet solution with fast 48-hour setup, integrating with Microsoft Teams, SharePoint, and Google Workspace for SMEs.

HUBSTAR SYSTEMS

London

HubStar provides the H₂O platform, a hybrid occupancy solution that enables organisations to manage people, places and policies through space scheduling, workplace intelligence and data-driven analytics. It serves workplaces seeking to optimise hybrid attendance, reduce real estate costs and improve employee experience by aligning space usage with organisational needs.

Hubwise

London

Custodian and investment platform for wealth managers, IFAs and DFMs offering MPS and model portfolios.

Humanloop

London

Platform for annotating, training, and deploying NLP models for production use.

HUNTER HEALTHCARE RESOURCING

London

Hunter Healthcare is an international people services business working exclusively across the health and life sciences market. It provides bespoke executive and non-executive recruitment and supplies subject-matter experts to empower financial, digital and AI productivity for clients in the UK, US, EU and Australia. The firm combines recruitment with in-house expert delivery and data solutions to support sustainable improvement in health and life sciences organisations.

HURDLE GROUP

London

Hurdle provides a virtual classroom platform for software training, enabling real-time hands-on practice for learners and coaching tools for trainers. It serves organisations seeking to deliver practical IT training, sales enablement labs, and product demonstrations to teams and prospects globally.

HUUME

London

Huume provides a modern housing needs solution for local authorities and housing associations, focusing on housing register, allocations, homelessness, case management, reporting, and temporary accommodation rents. The organisation is committed to revolutionising the delivery of housing needs and homelessness software through its platform.

Hygraph

London

Federated content platform combining headless CMS with content federation to unify data from multiple sources.

Hyperexponential

London

Pricing decision platform for specialist insurers to build, deploy and analyse pricing models.

Hyperlink Infosystem

London

Hyperlink InfoSystem is a global IT development company providing mobile app, web, blockchain, game, Salesforce, AI & ML, IoT & embedded, and cloud technology solutions. It serves startups, small businesses, enterprises, and agencies across industries including education, healthcare, fintech, real estate, retail, travel & hospitality, logistics, food & restaurant, on-demand, sports, entertainment, and gaming.

Hyperoptic

London

Hyper Fast & Hyper Reliable Full Fibre Broadband. Accelerate with equally fast upload and download speeds on our 150 Mb to 1Gb packages. Check out our deals today!

Hyperscience UK

London

Intelligent document processing and AI automation platform for back-office data processing workflows.

I-NET SOFTWARE SOLUTIONS

London

IAND

London

IAND is a strategic supplier relationship management platform that helps complex delivery organisations unlock visibility and transform commercial performance. It serves infrastructure organisations, project teams, alliances, joint ventures, and enterprise clients by providing modular kits for supplier ecosystem management, sub-consultant coordination, integrated delivery, and performance monitoring. The platform enables whole life savings through systems thinking, streamlining supplier and sub-consultant management across complex projects and programmes.

IB BOOST

London

IB Boost Ltd provides intelligent data management and automation solutions for enterprises, including the OCTANE data hub platform for analytics and integration, robotic process automation, cloud consulting, DevOps, and specialised testing services such as performance and test automation. The company serves sectors including finance, policing and law enforcement, and maritime, offering technology-driven services to improve process efficiency and system reliability.

iC Consult

London

Identity Excellence Delivered. Globally. iC Consult offers identity security services, including advisory, implementation, operations, etc.

Ice Connect

London

iceConnect is a London-based managed IT and telecommunications company providing IT support, cloud-based phone systems and cybersecurity solutions to businesses.

ICUK

London

UK ISP and telecoms wholesaler providing broadband, hosting and voice services to resellers.

ID-WARE UK

London

Identity E2E

London

IdentityE2E is a UK-based company providing specialist services in cloud, biometrics, cyber security, telecoms, and technical architecture. It serves public and private sector clients, including government and defence organisations, by delivering secure cloud transformations, biometric systems, and technology solutions tailored to client needs.

IGSPECTRUM

London

IGspectrum provides digital healthcare platforms, workflow automation, secure video uploading, clinical portals, penetration testing, and managed security services. Serving NHS trust organisations and healthcare providers across the UK, the company supports digital transformation initiatives to streamline paper-based clinical processes, automate multidisciplinary team request workflows, and improve overall patient care and safety.

IIT Software Limited

London

IIT Software Limited is a London-based IT consultancy founded in 2007, delivering tailored digital solutions to organisations across the UK and internationally. Services include IT consultancy, Microsoft Azure cloud consulting, data migration and database services covering data security and quality management, plus specialist consulting on SharePoint, Dynamics 365, Salesforce, Power Automate and Ab Initio ETL for big data processing.