IT Companies in London

Pusher

London

Hosted APIs for building realtime apps with WebSocket-based messaging and presence features.

Q agency

London

Q agency is a top software agency with a focus on software engineering, digital product design, tech consultancy, data and AI.

Q-SOLUTION

London

Q-Solution Ltd provides secure cloud SaaS and PaaS services, including secure messaging, secure email, and a secure platform, to public sector organisations. It also delivers managed testing services to the public sector using frameworks, tools, and security-cleared resources, supporting digital transformation and aligning with the UK Government's Cloud First Policy.

Qovery UK

London

Internal developer platform layered on AWS providing PaaS experience on customer cloud accounts.

QUALIFICATION CHECK

London

Qualification Check provides global verification of academic and professional qualifications and licences to practise for organisations in higher education, background screening, health and social care, and regulatory bodies. It serves admissions teams, recruiters, employers, and professional authorities by verifying credentials against primary sources in over 195 countries to prevent fraud and ensure compliance.

Quantel AI

London

AI retail intelligence platform providing automated pricing and demand forecasting for consumer goods companies.

QUANTSPARK

London

QuantSpark Limited delivers AI rollout and custom software development services. It serves private equity funds, portfolio companies, mid-market leadership, government departments, and businesses across sectors including financial services, retail, and manufacturing. Its offerings comprise AI readiness diagnostics, AI integration across existing software stacks, bespoke software prototyping, and specialised SaaS data platforms.

Quantum of Value

London

Quantum of Value provides Agile consulting, coaching and advisory services to CIOs, CTOs, CDOs, portfolio managers and Agile practitioners. They help technology and digital leaders turn Agile spending into measurable delivery performance by closing the gap between boardroom strategy and backlog execution, ensuring shipped products match business needs through tailored 3 to 24 month programmes shaped around organisational reality.

Qubit

London

AI-powered personalisation platform for ecommerce brands to deliver relevant product recommendations.

Quest Software

London

Simplify IT management and spend less time on IT administration and more time on IT innovation. It’s time to rethink systems and information management.

Quori

London

Quori provides an operational intelligence system called Quori Operational Intelligence System (Q-OIS) that uses AI to deliver decision advantage for global defence organisations. It serves defence and intelligence agencies by creating a complete operational picture across land, sea and air to identify vulnerabilities, eliminate threats and predict future risk, enabling fast and precise decisions to protect strategic assets.

RACKSPACE

London

Rackspace Technology provides cloud services and enterprise AI infrastructure. It operates private and public cloud environments, offering consulting, migration, managed operations, cybersecurity, and data services. Its engineers build and run AI workloads in customer environments, serving regulated sectors including healthcare, financial services, and government across 39 data centres globally.

Radiant Solutions

London

Radiant Solutions is an AWS cloud consultancy that guides businesses through cloud adoption using the AWS Well-Architected framework. The company builds tactical and strategic data lakes, analytics platforms and machine learning workloads for organisations with data science requirements. Its AWS DevOps service automates processes between software development and IT operations, connecting build, test and deployment pipelines. The team holds AWS certifications and works with clients to plan migration timelines and manage cloud costs from the first consultation.

Railsr

London

Embedded finance platform enabling companies to offer banking, cards and payments as part of their own product.

Rapid IT Support

London

Looking for the best IT Support Services in London, UK? Rapid IT Support is a leading provider of managed IT support, IT consultancy, and IT relocation services

Ravelin

London

Fraud prevention and payment solutions that adapt to your challenges, risk appetite & goals so you can combat the fraud of today and be ready for tomorrow

RCPCH

London

The Royal College of Paediatrics and Child Health (RCPCH) is a professional membership organisation that sets standards for paediatric care, provides education and training, conducts research and audits, and advocates for improved child health services across the UK and internationally. It serves paediatricians, child health professionals, and the broader paediatric community through membership benefits, professional development, and policy influence.

Re-Leased Software Company UK

London

Re-Leased provides cloud-based property management software for owners, investors, and property management companies. It serves commercial and residential sectors including industrial, office, retail, multifamily, healthcare, education, rural estates, and affordable housing. The platform automates lease administration, arrears control, property operations, and accounting integrations with Xero, QuickBooks, NetSuite, and Sage Intacct, supported by AI tools for task automation and document extraction.

READING ROOM DIGITAL

London

Readynez

London

Readynez provides live instructor-led IT training courses for individuals, teams, and businesses, offering over 60 courses in Microsoft, cybersecurity, AI, cloud, and related fields. The organisation serves professionals seeking certification and skill development through interactive sessions led by experienced trainers, with pricing models designed for scalable access to training.

Realeyes

London

Emotion AI platform using computer vision to measure audience emotional response to video advertising.

Receipt Bank

London

Recordsure

London

Recordsure AI provides artificial intelligence solutions for post-conversation assessments in financial services, public sector, and regulated industries. It captures, analyses, and summarises client interactions to improve compliance, reduce costs, and evidence customer outcomes. The technology combines machine learning, generative AI, and subject matter expert workflows to support suitability assessments and regulatory reporting.

RECURSIVE SOFTWARE

London

Recursive provides technical stewardship for digital transformation, bridging the gap between executive strategy and technical execution through architecture-led delivery. They serve organisations seeking faster, evidence-based software solutions with outcome-based fees, focusing on functional systems that users instinctively adopt by eliminating architectural drift and enhancing usability.