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Company profile

M Subs Limited

MSubs

Manned and unmanned submersibles

CRN
05874602
Founded
2006
Age
19

Overview

Legal name
M SUBS LIMITED
Region
South West England
Registered address
42 SISNA PARK ROAD
ESTOVER
PLYMOUTH
DEVON
PL6 7FH
Insolvency history
No

Corporate ownership

Updated 06 Jun 2026 16:52

M Subs Limited
No active corporate controller recorded.

Company events

Reference milestones and recent Companies House filing stream events.

7 events
30 Sep
2026

Accounts due

Accounts Due

Next accounts due date

26 Jun
2026

Confirmation statement due

Confirmation Due

Next confirmation statement due date

22 Jun
2026

Cessation Of A Person With Significant Control

Persons-with-significant-control

PSC07 | Transaction MzUyNzc5NTA5OWFkaXF6a2N4

Published 22 Jun 2026 15:08

22 Jun
2026

Notification Of A Person With Significant Control

Persons-with-significant-control

PSC02 | Transaction MzUyNzc5NTAwM2FkaXF6a2N4

Published 22 Jun 2026 15:08

12 Jun
2025

Confirmation statement filed

Confirmation

Last confirmation statement made up date

31 Dec
2024

Accounts filed

Accounts

Last accounts made up date

12 Jul
2006

Incorporated

Inception

Company registered at Companies House

Public funding

2 awards
First funded
2015
Funded years
2015, 2021
Age at first award
9 years

Projects

2021 Collaborative R&D

Oceanways - zero emission autonomous cargo submarine

1 Sep 2021 to 31 Mar 2022

Awarded
£68,581
Total cost £97,973

Oceanways is disrupting the traditional shipping market by creating a new market of "zero-emission underwater cargo transport" and we want to position the UK as the market leader. We are on a mission to clean up the shipping industry by rethinking existing transport systems and replacing surface vessels with innovative zero-emission unmanned autonomous su...

2015 Collaborative R&D

Pressure Tolerant Lithium Sulfur Battery for Marine Autonomous Systems

1 Oct 2015 to 30 Sep 2017

Awarded
£62,506
Total cost £104,177

Steatite Ltd, Oxis Energy Ltd, M Subs Ltd and the National Oceanography Centre have formed a collaborative partnership to develop a revolutionary pressure tolerant rechargeable battery solution based upon new, innovative Lithium Sulfur (Li-S) chemistry. The growing use of Autonomous Underwater Vehicles (AUVs) by the Oil & Gas industry, Defence sector and ...

Product types

Collaborative R&D