M SUBS LIMITED
Company number 05874602 · Monitor this company
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Shareholders' funds
£9,020,519
Balance sheet as at 2025-12-31
What it does
The principal activities of the group in the year under review were those of the design, manufacture, and operation of manned and unmanned marine vehicles for military and commercial markets, along with other associated ancillary engineering activities.
The company's own description, from its latest filed accounts.
Overview
- Company type
- Private Limited Company
- Incorporated
- 2006-07-12
- Employees
- 96 (2025 accounts · was 115 in 2024)
- Registered office
- 42 Sisna Park Road, Estover, Plymouth, Devon, PL6 7FH
- Postcode
- PL6 7FH
- Capital
- 100 GBP
- Accounts category
- Group
- Charges
- 0 outstanding
Accounts
- Last made up to
- 2025-12-31
- Next due by
- 2027-09-30
- Financial year end
- 31 December
Confirmation statement
- Last statement dated
- 2026-06-12
- Next due by
- 2027-06-26
Nature of business (SIC)
- 32990 Other manufacturing not elsewhere classified
Officers 5 current · 7 resigned
Group structure 7 subsidiaries
Controlled by Submergence Group Llc (04115066) — since 2016-06-30
-
AUTOMATED SHIPS LTD Dissolved
-
SUBMERGED POWER SOLUTIONS LTD Dissolved
From persons-with-significant-control filings on the public register.
Public contracts won 1
£99,218 total awarded value where published.
Contains public sector information licensed under the Open Government Licence v3.0 (Contracts Finder).
Data protection registration
Registered with the ICO as a data protection fee payer — ZA518510 (Tier 2), registered since 2019.
Information Commissioner's Office register of fee payers, licensed under the Open Government Licence.
Contact details
- Website
- msubs.com
Manned and unmanned submersibles
Previous company names
| Name | Date changed |
|---|---|
| M SUBS LIMITED | 2008-07-30 |
Previous registered addresses 3
| Address | Changed on |
|---|---|
| 29A SISNA PARK ROAD, ESTOVER, PLYMOUTH, DEVON, PL6 7FH, ENGLAND | 2011-11-28 |
| UNIT 6 BROADLEY COURT, BROADLEY INDUSTRIAL PARK, ROBOROUGH PLYMOUTH, DEVON, PL6 7SQ | 2011-09-08 |
| HIGHER LOVATON, LOVATON, YELVERTON, DEVON, PL20 6PT | 2006-07-28 |
Among its peers
Top 5%
by shareholders' funds, of 75 similar companies in PL
The largest employer among its local peers (96 staff).
Trading since 2006.
No.1 of the largest other manufacturing not elsewhere classified companies in Plymouth →
Competitors Plymouth
This company ranks 1 among other manufacturing not elsewhere classified in Plymouth.
The class of 2006
43%
of the 767 companies in this sector incorporated in 2006 are still active today; 53% have since been dissolved.
A fact about the year, not a forecast for this company.
Property in England & Wales 5 titles
- Freehold
- 1
- Leasehold
- 4
- Most recent registration
- 2025-11-07
- Price paid, where recorded
- £552,250
- Where
- City Of Plymouth (5)
| Title number | County | Tenure | Registered | Price paid |
|---|---|---|---|---|
| DN537243 | City Of Plymouth | Leasehold | 2025-11-07 | £195,000 |
| DN766369 | City Of Plymouth | Leasehold | 2024-01-19 | — |
| DN554267 | City Of Plymouth | Leasehold | 2022-05-24 | £162,250 |
| DN478461 | City Of Plymouth | Leasehold | 2021-10-21 | £195,000 |
| DN707905 | City Of Plymouth | Freehold | — | — |
For addresses and the authoritative register entry, use HM Land Registry's official search (£3 per title).
Information produced by HM Land Registry. © Crown copyright 2026. Dataset as at 2026-08.