IT Companies in London

RED ANT DIGITAL

London

Red Ant provides RetailOS, a unified in-store shopping platform that connects existing technology with retail apps to enhance customer interactions and improve employee performance. The platform serves retailers in sectors including beauty, footwear, home and furniture, jewellery, and luxury, offering clienteling, assisted sales, omnichannel POS, analytics, and machine learning solutions to deliver seamless omnichannel experiences.

RED BADGER CONSULTING

London

Red Badger designs and builds digital products and platforms for modern enterprises and blue-chip organisations. The company crafts digital customer experiences, constructs next-generation technical platforms, and embeds digital capabilities to help client businesses evolve services, simplify architecture, and establish a digital product culture.

RED OLIVE TRADING

London

Red Olive provides data and artificial intelligence solutions, including strategy development, decision support, data platform construction, generative artificial intelligence, advanced analytics, and operational support. The firm serves ambitious business leaders across sectors such as insurance, banking, private equity, property, retail, and telecommunications.

Redpanda UK

London

High-performance streaming data platform compatible with Kafka APIs, designed for lower latency and operational simplicity.

REDQUADRANT

London

RedQuadrant Ltd is a management consultancy that helps transform public services. Working with public service organisations, the firm delivers services, training, and outcome-based contracts. It focuses on strategy, system leadership, leadership development, agile change, and organisational development to help clients improve citizen and community outcomes, build internal capacity, and drive service transformation.

Reflective IT

London

Expert IT service provider delivering managed IT support, cyber security and cloud services to businesses across the UK.

REFNOW

London

Refocus

London

Refocus is a Microsoft Certified Managed Services Provider with offices in London, Cape Town and Pietermaritzburg, specialising in managing, supporting and developing Microsoft 365 based IT networks for customers in South Africa and the United Kingdom. They provide 24/7 unlimited support, dedicated IT management, security monitoring and consultancy services to help organisations get the most out of their Microsoft 365 licences, including Azure, Power Platform, Copilot and Viva integration.

ReliaQuest GreyMatter

London

ReliaQuest exists to Make Security Possible. GreyMatter allows security teams to detect threats at the source, contain, investigate, and respond in less than 5 minutes – eliminating Tier 1 and Tier 2 security operations work.

Research Innovations Incorporated

London

Research Innovations Incorporated (RII) builds software and hardware for command and control, electronic warfare and offensive cyber operations. The company's AI-enabled C2 platform fuses intelligence, fires deconfliction and coalition data for JADC2 missions at IL4, IL6 and IL7 classification levels in MOSA-compliant architectures. The Dragonfly EW product weighs 3.5 lb, processes the electromagnetic spectrum from 10 MHz to 6 GHz with GPU acceleration and requires less than five minutes to set up. RII serves critical defence, intelligence and cyber customers.

RETINUE SOLUTIONS

London

Retinue Solutions provides workforce management services including contingent and permanent staffing, consultancy, and statement of work solutions. They serve organisations in sectors such as renewables, mobility, data, technology, science, healthcare, construction, and facilities management, helping them manage talent, control costs, ensure compliance, and maintain workforce continuity.

Retool UK

London

Low-code platform for building internal tools, admin panels, and dashboards connecting to any API or database.

Reuse Technology Group

London

Reuse Technology Group is a UK-based IT Asset Disposal (ITAD) provider specialising in secure data destruction, IT equipment reuse, recycling, and asset recovery. The organisation serves healthcare, financial services, education, enterprise, government, and data centre sectors across the UK, EU, and worldwide, delivering certified ITAD services with ADISA 8.0, ISO 9001, and ISO 14001 accreditation.

Revatics

London

Revatics is a leading web & app development company based in London, UK. Contact us today for innovative solutions that elevate your business!

RevInfotech Inc

London

Revinfotech delivers AI, blockchain, fintech & digital transformation solutions to help businesses innovate, scale, and lead in a digital-first world.

Revolut

London

Join 70+ million customers globally using Revolut to send money to 160+ countries, hold up-to 36 currencies in app, spend in 150+ currencies, and manage their money.

Revox

London

REVOX is a platform that enables developers to build decentralized applications using autonomous AI agents. It provides tools for creating customizable agents that interact with blockchain networks, access external data, and execute smart contract functions. The platform supports integration with various large language models and decentralized computation providers, aiming to serve developers seeking to integrate AI capabilities into Web3 applications through a low-code workflow and incentive mechanism for contributors.

Rewind

London

VR sports broadcast platform creating volumetric replays and immersive viewing experiences for live events.

Rex Software UK

London

Estate agent CRM, marketing and website platform for sales, rentals and property management.

Rezatec

London

Rezatec delivers cutting-edge geospatial solutions to help industries manage natural resources, monitor assets, and drive smarter decisions

Rezdy UK

London

Booking software and distribution channel manager for tours, activities and attractions.

Rezilion UK

London

Software attack surface management platform reducing vulnerability remediation workload through runtime validation.

Rimini Street Inc

London

This company delivers comprehensive software support, managed services, professional services and governance solutions for enterprise platforms. It assists global organisations across various industries, including manufacturing, telecom, retail, financial services and energy, to optimise systems, reduce maintenance costs, improve operational efficiency and implement AI capabilities.

RiseUp Labs

London

Software development company