British Engineering. Reliable Power.Reliable, high-quality, British-made power supplies
On-systems has grown significantly since our inception. We’ve developed exceptional working relationships with a range of forward-thinking organisations, that need power systems that are not only efficiently design, but meet the needs of harsh usage. Whilst we design power systems, we also have a range of existing power supplies, available to purchase through distribution channels.
On-systems has specialise in power design, manufacture and supply, developing innovative power products and systems for a variety of sectors:
Award-winning power solutionsfrom definition to design & development
On-systems provides expert custom power supply design services for the aerospace, land defence and naval industries. Our UK-based engineering team focuses on developing tailored power solutions that meet technical demands.
We convert complex power requirements into reliable and efficient power systems through efficient design, testing and advanced technology. Partnering with Government bodies and international defence contractors, we uphold a commitment to quality, delivering bespoke power systems that improve performance and dependability in critical environments.
Our solutions comply with Mil-Stds, DEF-STANs and STANAGs, covering everything from integrated equipment power supplies to complete platform power systems, including intelligent network-managed power distribution.

Custom Power Solutions, Expertly DeliveredCustom design with flexible, proactive partnerships
On-systems has grown based on longstanding partnerships with partners operating across aerospace, defence, naval, marine, media, heavy industry, and high-end IT industries. We’ve honed our research, manufacturing and processes over many years to ensure we remain agile, minimising risks for our clients. With an experienced team of UK based engineers and designers, we make a difference to everyday operations, from definition, to design, development and delivery.
An extension to your design capability. With a team of experienced designers and engineers, On-systems help your organisation tackle challenges, becoming your very own power design department. We design, develop, manufacture and supply cost effective power solutions to meet our partners’ electrical, mechanical, safety and EMC management needs, offering a fast time to market.