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About our team

Founded and headed by engineer Mike Harvey, On-systems was established in 2010. Based in Letchworth, Hertfordshire, our growing team is continually pushing the boundaries in engineering by designing and manufacturing ground breaking power supply technology and systems.

We work closely with our clients to truly understand their exact needs by investing time in building long standing and close partnerships with integrity and honesty. We oversee the entire build process, from product development to part integration for a complete, seamless experience.

We aim to improve workflows, performance and efficiency for mechanical components to ultimately enable our partners to deliver successful tasks and missions with better performance at a reduced cost.

Discuss your power project

The process of collaborating with us

Our typical process contains several key steps, and our team can usually work from your initial enquiry to final product installation in a 6-month timeframe:

1. Initial enquiry
2. Consultation
3. Technical requirements specification
4. Bespoke design
5. Product development
6. Component manufacture
7. Installation
8. Accredited testing and certification
9. Aftercare support

Make an enquiry today

Understand > Develop > Deliver

Our team ethos is to understand, develop and deliver, producing the best products possible in the quickest turnaround to meet tight deadlines for mission critical projects. We have a comprehensive range of COTS products available and our extensive experience in crafting bespoke designs really sets us apart.

Our award winning engineering team has a proven track record of producing leading advanced power concepts, which are then manufactured to a high specification to meet stringent industry regulations. We challenge convention by engineering brand new power supplies and systems tailored for each and every client we partner with.

  • Power supply design to requirement
  • Technology development
  • Build to print (BTP/B2P)
  • Mil-COTS power supplies – Avanta

Tell us about your project needs

about on systems

Your external power system department

Our clients often consider us as their very own department, where we work as an extension of their team to handle the entire power product division of their operations. We cover all areas, including conversion, storage and power management.

The way we work gives our partners more time and resources to focus on their other deployments. We can also offer flexibility and scalability, to be there when we are most needed at short notice.

Send us your challenge and see how we deliver

uk based defence power supply company

Award-winning defence engineering

We invest in people and their careers.

We strive to be at the forefront of advanced technology and so attracting and retaining exceptional talent is crucial to our company's development. Maintaining our status as the leading power system experts, we are consistently recognised in prestigious national awards.

  • Best Custom Power Supply Design Specialists 2019, 2020, 2021 and 2022 – Technical Innovator Awards
  • Power Supply Product of the Year – Elektra Awards 2018
  • Small Company of the Year – British Engineering Excellence Awards 2018
  • Design Team of the Year – British Engineering Excellence Awards 2018

Send us your challenge and see how we deliver

Armed Forces Covenant
BEEA
Corporate Vision
CV Magazine
Cyber Essentials
Elektra
Global 100
ISO 9001:2015
Make UK
Armed Forces Covenant
BEEA
Corporate Vision
CV Magazine
Cyber Essentials
Elektra
Global 100
ISO 9001:2015
Make UK

UK HQ and Manufacturing

Our team are UK based thanks to our central headquarters and our manufacturing partners are situated in the UK with certification standards adhering to AS9100. British design and manufacture mean that the military and defence power solutions we create are of the highest calibre, are delivered on time and come in within budget.

Start your power system design

uk manufacturing, british made

Bespoke Power Systems

Our specialist expertise spans land and defence, air and aerospace and sea and marine power supply, so we know intrinsically just how important efficient, durable, long lasting components are in hostile and extreme settings.

Our agile and talented team work to minimise risk, collaborate and deliver power systems that perfectly align to your needs. From electrical, mechanical, safety and EMC management, we can be there to support or take on your entire power system project from end to end.

We work closely with you to prepare a Technical Requirements Specification (TRS) and remove any uncertain clauses to keep things simple and on budget. We hit client requirements and can take our existing design archive to quickly create new custom products, without the long lead times.

We utilise the most advanced tools and systems in the industry:

  • Altium PCB Designer
  • SolidWorks Professional
  • AutoDesk CFD
  • MathCAD Simulation
  • MatLAB Simulink
  • Flowcode
  • C / C++
  • Visual Basic
  • VHDL
  • OpenCL
  • LPCCPresso

Get in touch with our team today

photo of a bespoke power supply