Company Active LTD

Company profile

Zem Fuel Systems Limited

UK company SC586613, incorporated on 24 January 2018.

Zero Emission Fuels | Intelligent fuel systems for marine transportation | St Andrews, Fife, Scotland

We design intelligent marine fuel systems to retrofit marine vessels and infrastructure with a range-extending hydrocarbon-fuelled hybrid Fuel cell to enable an existing electric propulsion system for navigating sensitive, near-shore Environmental Emission Control Areas.

Company number
SC586613
Incorporated
24 Jan 2018
Companies House status
Active

Company identity

Founded / incorporated
24 January 2018

Company number SC586613

Verify at Companies House
Legal name
ZEM FUEL SYSTEMS LIMITED
Company type
LTD
Region
Scotland
Registered address
Unknown
Insolvency history
No

Corporate ownership

Updated 07 Jul 2026 09:49

2 levels 1 ultimate controller
1
Company Active LTD
Zem Fuel Systems Limited
CRN SC586613
2
Direct controller Active LTD
3
Ultimate controller
UNOFSTAN
CRN UNOFSTAN

Latest accounts

Financial period: 1 Feb 2024 to 31 Jan 2025

FULLACCOUNTS
Turnover
Unknown
Profit / Loss
Unknown
Employees
9

Company events

Reference milestones and recent Companies House filing stream events.

2 events
25 Sep
2026

Accounts Amended With Accounts Type Micro Entity

Accounts Analysed

AAMD | Transaction MzU0NzU5MzYxMWFkaXF6a2N4

Published 25 Sep 2026 10:16

24 Jan
2018

Incorporated

Inception

Company registered at Companies House

Public funding

3 awards
First funded
2021
Funded years
2021, 2023, 2025
Age at first award
3 years

Projects

2025 Collaborative R&D Lead participant

Innovative Integration of Direct Ammonia Fuel Cells for Zero-Carbons hybrid Torpedo Propulsion

1 Sep 2025 to 31 Mar 2026

Awarded
£168,827
Total cost £241,180

Ammonia is emerging as a highly promising energy vector for the maritime sector, offering a dense and transportable hydrogen carrier that enables renewable electricity to power heavy-duty transport applications. However, efficiently converting ammonia into electricity or hydrogen has been a significant challenge, limiting the transition from fossil fuels ...

2023 Collaborative R&D Lead participant

Demonstration of Direct Ammonia Fuel Cells for Maritime Propulsion

1 Jul 2023 to 31 Mar 2025

Awarded
£795,095
Total cost £1,135,850

Ammonia is a highly attractive energy vector, especially for the maritime sector. It acts as a dense and transportable store of hydrogen that offers an excellent route to enabling heavier duty transport applications to utilise renewable electricity. Fuel Cells can convert Ammonia into electrical energy without generating the nitrogen oxides that pollute o...

2021 Collaborative R&D Lead participant

: Direct Ammonia Fuel Cells for Maritime Propulsion

1 Sep 2021 to 31 Mar 2022

Awarded
£66,302
Total cost £94,717

Product types

Collaborative R&D