Software and Systems engineering
Founded in 1999, Zircon Software is a UK-based software and systems engineering company built on trust, collaboration and technical excellence.
We design and deliver intelligent, safety-critical software for transport, defence and industrial clients who demand reliability and innovation in equal measure.
Our focus is to bridge legacy infrastructure with the digital future. Making critical systems safer, smarter and built to last, by combining deep expertise with a passion for solving complex problems. We specialise in three key areas: Rapid Innovation; Obsolescence Management; Safety Software Assurance & Testing.
Technical expertise
Underpinning these specialties is decades of technical expertise:

Software Engineering
- Robust, mission critical long-lived systems
- Designing, developing, and maintaining software applications
- End-to-end Delivery across the development lifecycle
- Interfacing with complex real-world systems

AI & Machine Learning
- Data Management & Strategy
- Training of supervised and unsupervised ML models
- Improving performance of existing ML models
- Spatial-temporal graph-based deep neural networks
- Predictive Machine Learning

Systems Engineering
- Architectures for complex, intelligent and safety-critical systems
- Requirements discovery, traceability and lifecycle control
- Modernisation of legacy assets and interfaces
- Model-based design, verification and validation
- Real-time systems engineering, low-latency & safety-critical

Embedded Software
- Development from bare-metal to Embedded Linux
- Design & optimisation for ARM/ARM Cortex, Infineon & MCU/MPU platforms
- Device drivers, board bring-up and hardware–software integration
- Robust, maintainable firmware
- Secure embedded platforms for data, connectivity & AI integration
Accreditations & Frameworks





Industries and organisations we partner with
Zircon has become a vital partner across multiple private and public sectors, where reliability and engineering solutions are paramount.

Rail
Working in partnership with clients like Siemens Mobility, Network Rail, and London Underground, we’ve tackled the biggest modern challenges facing the world’s oldest railway system. Zircon has a proven track record, empowering rail companies to streamline operations, enhance safety, and optimise efficiency.

Highways
Working alongside clients like National Highways, Amey, AECOM, and Atkins, we deliver tailored solutions for optimising traffic flow, improving road safety, and enhancing infrastructure management.

Aerospace and Defence
When flawless operation is vital, Zircon’s reliability shines. Our safety-critical software and systems engineering solutions are trusted by clients within Aerospace and Defence such as Draken, Chelton Aviation and Cobham.

Industry
Our solutions empower clients like Edwards Vacuum, Baker Hughes, and Rotork, to achieve higher levels of productivity and reliability in their operations.
Our industrial solutions deliver seamless integration, real-time monitoring, and predictive maintenance.
Dependability begins with the right partner
Leverage our decades of experience in software and systems engineering to keep your critical infrastructure running safely and intelligently.