IT Companies in London

ORCA Computing

London

ORCA Computing develops full-stack photonic quantum computers to address use-cases such as generative machine learning and optimisation

Origina UK

London

Origina helps enterprises maintain control of business-critical software throughout its lifecycle. Operating as an independent software maintenance partner for enterprise clients, the company provides an independent operating model designed to maintain, manage, protect, extend and enhance business-critical licensed software estates independently of the original equipment manufacturer.

Ortec UK

London

Advanced planning and optimisation software for workforce scheduling, route planning and supply chain.

OutSystems UK

London

High-performance low-code platform for building enterprise-grade applications with full-stack capabilities.

Outverse

London

Outverse gives teams a governed layer to deploy AI across complex service workflows. Connect your systems, orchestrate end-to-end workflows across multiple channels, and improve with control over time.

Overleaf

London

Collaborative online LaTeX editor used by over 15 million researchers and academics worldwide.

Oxeye UK

London

Cloud-native application security platform providing SAST, SCA, and DAST with code-to-cloud traceability.

Oyster IMS

London

Oyster IMS provides information management services including data protection, information governance, and information security to organisations in the UK, EU and EMEA across every sector. They support clients with privacy policy management, records lifecycle, risk assessments, cybersecurity strategies, and compliance solutions such as GDPR and ISO27001, delivered through consultancy, training, and managed services.

Pactum AI, Inc.

London

​Pactum AI agents help companies unlock hidden value. Our AI Agents negotiates non-strategic supplier contracts at scale. Learn more today.

PageUp Europe

London

Pair

London

Pair is a SaaS hiring platform that assesses software engineering candidates through timed, real-world coding competitions rather than traditional CV-based or LeetCode-style interviews.

PANACEA APPLICATIONS

London

Pando

London

Pando is a UK-based instant messaging platform for healthcare that enables clinicians to communicate securely and collaboratively with their teams, connecting healthcare professionals to specialists and patients to specialist support. It serves healthcare professionals, NHS hospitals, clinics, and communities, facilitating clinical collaboration and improving patient outcomes through compliant, accessible communication.

PANLOGIC

London

Panlogic provides digital strategy, design, development and ongoing maintenance services for international bodies, government agencies, not-for-profit organisations and private sector businesses. It supports clients such as the National Fire Chiefs Council and the National Association for Special Educational Needs by building websites, simplifying membership systems, visualising data and ensuring legal compliance for trade unions.

Papaya Technologies

London

AI-powered global payroll and workforce management platform for multinational companies.

Papirfly

London

Brand management and digital asset platform helping enterprise customers achieve brand consistency.

Parim

London

Workforce management and shift scheduling platform for the security and facilities management sectors.

Passenger Transport Software

London

Mission Software designs and develops bespoke software systems and digital solutions for clients worldwide, including UK Government certified services under GCloud frameworks. They supply programming services since 1989, develop and sell their own products such as Mission MPS for passenger transport, Mission GPS for tracking, and Noosom as a secure digital diary app, serving organisations needing custom software development and transport management systems.

PASTEQ ANALYTICS

London

Patchwork

London

NHS workforce solution for managing rotas, bank shifts, and staffing. Trusted by 200+ organisations. Built by healthcare professionals.

Patients Know Best

London

Patient-controlled healthcare record platform enabling care co-ordination and patient engagement across NHS settings.

Payhawk

London

Payhawk is a SaaS spend management and finance platform combining corporate cards, expense management, accounts payable, travel and procurement with AI-driven workflow automation for finance teams.

Payload CMS UK

London

Open-source headless CMS and application framework built with Node.js providing type-safe content management.

Payments for the global stage

London

We remove the borders, barriers and burdens of doing international business. Manage payments and receivables through one easy platform.