IT Companies in London

Adarga

London

AI software provider for defence, national security, and commercial intelligence analysis.

ADDIN365

London

ADELANTE SOFTWARE

London

Adelante Software provides income management solutions for councils and universities, along with payment tools for businesses. Its products include SmartPay and ConnectPay, which support online and in-person payments through methods such as Pay by Link, QR codes and recurring payments. The company offers automated bank reconciliation and professional services, and is part of ClearCourse.

ADESSO U.K.

London

adesso UK provides digital transformation services including software development, cloud solutions, data analytics, and UX design tailored to specific business goals. They serve organisations across banking, insurance, healthcare, manufacturing, life sciences, retail, automotive, sports, utilities and energy sectors, offering sector-specific IT solutions and long-term collaboration to improve operations and drive growth.

Adgistics

London

Digital asset management and marketing resource management platform for enterprise marketing teams.

Adludio

London

AI-powered mobile advertising platform creating interactive sensor-based ad experiences with measurable attention.

ADSATIS

London

ADVAI

London

Advai provides independent testing, compliance assurance, and continuous monitoring for secure, high-performing AI systems. It helps organisations choose the right model, test for production readiness, and monitor real-world behaviour with confidence. Services include adversarial pre-deployment testing, runtime monitoring for safety and reliability, and tailored solutions for regulated sectors such as financial services, defence, government, healthcare and insurance.

Advania UK

London

Advania is a leading IT company offering complex migrations, cloud transformation, AI consulting, cyber resiliency, technology sourcing and solutions.

ADVISED SOLUTIONS

London

Advised Solutions provides specialized consultancy and managed services in Oracle Cloud applications for businesses. The organisation offers business intelligence, data migration, integration solutions, advanced reporting analytics, and ongoing support and maintenance to help clients enhance operational processes across human capital management, enterprise resource planning, supply chain, and customer experience systems.

ADvT

London

ADvT develops Integra Finance, a fully integrated financial management and procurement software platform for NHS CFOs, Local Government Section 151 Officers and other public sector finance leaders. The system handles the full financial lifecycle from core accounting and procurement through to shared services with multi-entity accounting. More than 140 public sector organisations use Integra, including NHS Trusts, local authorities, emergency services and public bodies. The product includes AI-driven automation capabilities. The company has been serving public sector finance teams for five decades, with a platform built for NHS and local government compliance requirements and ready for future AI development.

Aegasis Labs

London

Technology solutions provider

Afiniti

London

Digital transformation consulting firm helping UK organisations develop and execute technology strategies to drive business change.

AgencyAnalytics

London

Automated reporting and client dashboard platform for digital marketing agencies.

AGENDA RESOURCE MANAGEMENT

London

Agenda Screening Services Ltd delivers background checks, rescreening, monitoring, right to work checks, and screening technology. The company supports clients, candidates, and hiring teams across various industries, including aviation, finance, healthcare, and retail, to assist with secure onboarding and background screening globally.

Agfa HealthCare UK

London

Radiology IT and PACS software provider for NHS imaging departments and diagnostic centres.

AGILE RELEASE

London

Agile Release is a UK software studio and consultancy that builds and runs its own products, including the HMRC-recognised tax platform EasyTaxer, and provides product engineering and consultancy services to clients needing real software in production. They serve clients who require end-to-end delivery from discovery to operations, with a focus on shippable increments and practical outcomes.

Agorapulse

London

Social media management tool with unified inbox, scheduling and reporting for community managers.

AI4PROCESS

London

This company delivers consulting for end-to-end programmes featuring agile delivery and intelligent automation solutions, training and talent development, and software products to automate business processes. It serves clients in the financial services, insurance, pharmaceutical, and public sector industries.

Aikido Security UK

London

All-in-one developer security platform combining SAST, SCA, DAST, container scanning, and IaC security.

Airbyte UK

London

Open-source data integration platform with 300+ connectors for building ELT pipelines into data warehouses and lakes.

Airship

London

Airship is the only mobile-first customer experience platform that delivers measurable results through AI-powered, unified cross-channel experiences.

Airwalk Consulting Reply

London

The organisation delivers technology transformation and IT consultancy services. Its offerings include cloud migration, software engineering, delivery management, artificial intelligence enablement, operational resilience, and service management. The company serves major complex and regulated organisations across sectors such as financial services, insurance, retail, construction, automotive, media, and the public sector.

Aivres

London

Aivres is a global provider of performance-optimized servers for data center, cloud, enterprise, AI, edge, and open computing.