Company Active LTD

Company profile

Zem Fuel Systems Limited

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.

CRN
SC586613
Founded
2018
Age
8

Overview

Legal name
ZEM FUEL SYSTEMS LIMITED
Region
Scotland
Registered address
CHEMISTRY BUILDING
NORTH HAUGH
ST. ANDREWS
SCOTLAND
KY16 9ST
Insolvency history
No

Corporate ownership

Updated 06 Jun 2026 16:52

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.

18 events
31 Oct
2026

Accounts due

Accounts Due

Next accounts due date

06 Sep
2026

Confirmation statement due

Confirmation Due

Next confirmation statement due date

23 Aug
2025

Confirmation statement filed

Confirmation

Last confirmation statement made up date

31 Jan
2025

Accounts filed

Accounts

Last accounts made up date

31 Oct
2024

Accounts With Accounts Type Micro Entity

Accounts Analysed

AA | Transaction MzQ0MTYxNTU4OGFkaXF6a2N4

Published 31 Oct 2024 01:54

25 Oct
2024

Change To A Person With Significant Control

Persons-with-significant-control

PSC05 | Transaction MzQ0MDg2MTI3OWFkaXF6a2N4

Published 25 Oct 2024 08:01

25 Oct
2024

Change To A Person With Significant Control

Persons-with-significant-control

PSC05 | Transaction MzQ0MDg2MTUzNmFkaXF6a2N4

Published 25 Oct 2024 08:01

25 Oct
2024

Change To A Person With Significant Control

Persons-with-significant-control

PSC04 | Transaction MzQ0MDg2MDQyNGFkaXF6a2N4

Published 25 Oct 2024 07:52

25 Oct
2024

Change To A Person With Significant Control

Persons-with-significant-control

PSC04 | Transaction MzQ0MDg2MDA1MWFkaXF6a2N4

Published 25 Oct 2024 07:52

25 Oct
2024

Change To A Person With Significant Control

Persons-with-significant-control

PSC04 | Transaction MzQ0MDg1OTgyNGFkaXF6a2N4

Published 25 Oct 2024 07:52

25 Oct
2024

Change To A Person With Significant Control

Persons-with-significant-control

PSC05 | Transaction MzQ0MDk3ODcwMGFkaXF6a2N4

Published 25 Oct 2024 02:50

24 Oct
2024

Change To A Person With Significant Control

Persons-with-significant-control

PSC05 | Transaction MzQ0MDg2MTE3OWFkaXF6a2N4

Published 24 Oct 2024 03:57

24 Oct
2024

Change To A Person With Significant Control

Persons-with-significant-control

PSC04 | Transaction MzQ0MDg2MDg1M2FkaXF6a2N4

Published 24 Oct 2024 03:54

24 Oct
2024

Change To A Person With Significant Control

Persons-with-significant-control

PSC05 | Transaction MzQ0MDg1OTEyM2FkaXF6a2N4

Published 24 Oct 2024 03:35

24 Oct
2024

Change To A Person With Significant Control

Persons-with-significant-control

PSC04 | Transaction MzQ0MDg1ODEzM2FkaXF6a2N4

Published 24 Oct 2024 03:25

23 Aug
2024

Confirmation Statement With Updates

Confirmation-statement

CS01 | Transaction MzQzMzI0NzkyOGFkaXF6a2N4

Published 23 Aug 2024 12:43

23 Aug
2024

Termination Director Company With Name Termination Date

Officers

TM01 | Transaction MzQzMzI0NzIwMGFkaXF6a2N4

Published 23 Aug 2024 12:35

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