IT Companies in London

365TRIBE

London

365Tribe Ltd assists organisations with their digital transformation by supporting adoption and change management for Microsoft 365. The company delivers fully managed digital champions programmes, tailored executive and user workshops, and on-demand video learning. Its offerings help clients build internal digital skills, improve workplace productivity, enhance peer collaboration, and streamline business processes.

3scale UK

London

Open-source API management platform for publishing, securing, and analysing APIs (part of Red Hat).

4 DATA SOLUTIONS

London

4Data Solutions Limited provides professional services and solutions for data management, security and compliance, helping organisations leverage data to drive efficiencies and innovation while ensuring regulatory alignment. They serve businesses seeking expert consultancy, deployment and support for Splunk and related technologies in cloud or on-premise environments.

4C ASSOCIATES

London

4C Associates delivers measurable improvements and transforms end-to-end supply chain and operations through procurement optimisation, operations excellence, supply chain improvement, digital enablement and business transformation. They serve clients across public sector, defence and security, financial services, energy and utilities, nuclear, health and social care, retail and consumer, life sciences, transport and infrastructure, and industrial manufacturing sectors.

4C STRATEGIES

London

4C provides end-to-end support on ICT projects by delivering consultancy services covering enterprise IT, infrastructure, procurement support, strategy, cyber security, and resourcing. The organisation serves a broad client base across the public, private, and third sectors, including higher education, further education, healthcare, government, local government, and charities.

4IAPPS SOLUTIONS

London

4i Apps Solutions Private Limited provides Oracle and Salesforce cloud solutions, including migration, consulting, implementation, upgrades, managed services, integration, infrastructure, enterprise mobility, license resell, industry solutions, product development, and Autodesk solutions. It serves clients across India, America, Africa, Asia Pacific, Middle East, and UK & Europe with expertise in digital transformation and enterprise applications.

4MOST (EUROPE)

London

A&A DIGITAL TECH

London

A&A Digital Tech Ltd is a professional IT consultancy working with a wide range of clients across the UK, particularly government departments, to deliver tailored IT architecture and digital transformation services. The company provides enterprise solutions in data, AI, cloud, cybersecurity and managed services, focusing on scalable, secure and aligned solutions for public and private sector organisations undergoing digital change.

Ably Realtime

London

Realtime that just works. Built to scale, engineered for reliability, and low latency. Power live messaging, chat, dashboards, notifications & collaborative apps.

ACADIANT

London

Acadiant develops artificial intelligence software solutions for medical schools and hospitals in the United Kingdom and the United States. Its products include medical exam assessment software that uses institutional rubrics to assist university faculty with clinical exam grading, as well as digital health applications, custom mortality analysis tools, and telehealth communication software.

Acast

London

Open podcast platform and marketplace connecting podcasters with global advertising partners.

Accedo

London

Multiscreen TV product solutions company helping media companies build and launch streaming services.

Accipio

London

The organisation provides fully managed open-source learning management systems, platform development, hosting, support, and custom plugins. It serves sectors including training companies, government, healthcare, membership organisations, and SMEs, assisting entities looking to manage apprenticeships, deliver compliance training, and upskill their workforce.

ACCL

London

ACCL is a London network data cabling company specialising in the installation of commercial fibre optic networks, Cat6, Cat 6A, Cat 7, Cat 8 copper cabling, Wi-Fi, Access Control, CCTV & IP security. Contact us for integrated data cabling services here.

Accurx

London

Accurx is the easy-to-use platform where patients and healthcare professionals communicate. Our software connects people across the system to make NHS professionals happier and patients healthier. Get started with Accurx today.

Acin

London

Operational risk data network enabling banks to benchmark and improve their control environments.

Acoustic UK

London

Marketing cloud platform providing campaign management, personalisation and customer journey analytics.

ACTIONABLE

London

Actionable Ltd builds cyber security products and provides expertise to help organisations create their own solutions, offering support in strategising, planning, and acting on business decisions aligned with technical capabilities. The company serves clients seeking cyber security advisory, digital transformation, and specialist architecture and automation services.

Acturis

London

Cloud-based insurance software platform for brokers and insurers managing policies, claims and accounting.

ACUBED IT SOLUTIONS

London

Acubed IT Solutions Ltd designs and delivers cross-domain applications and solutions using its XD-CORE platform. It provides cryptographic risk analysis, post-quantum cryptography migration planning, and system research and development. The company serves government, defence, and critical national infrastructure organisations, enabling them to share and operationalise data securely across security boundaries.

ACUITY APPLIED

London

Acuity Applied delivers digital services for central and local government organisations, including funding platforms, case management solutions, and Power Platform implementations. They support public sector teams through GDS Service Assessments, user-centred design, and agile delivery, and are an approved Crown Commercial Supplier with Cyber Essentials Plus certification.

Acuity Scheduling UK

London

Online appointment scheduling software with intake forms, payments and calendar sync.

Acunetix UK

London

Web vulnerability scanner providing automated DAST for web applications and APIs to detect OWASP Top 10 vulnerabilities.

ADAPPT

London

Adappt builds mission-critical systems for organisations requiring reliable, long-term software performance. With 200+ specialists, they support clients of every scale in sectors including public health, government, financial services, legal, broadcast and cultural heritage. Their work includes AI, data solutions, platform development and mathematical modelling, delivered through dedicated teams that scale to meet complex demands.