Company Active LTD

Company profile

Critical Maritime Systems & Support Limited

UK company 00953609, incorporated on 6 May 1969.

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Previously known as TPG Maritime, we have 60-years experience of designing, developing, manufacturing and supporting atmosphere management systems for submarines.

Company number
00953609
Incorporated
6 May 1969
Companies House status
Active

Company identity

Founded / incorporated
6 May 1969

Company number 00953609

Verify at Companies House
Legal name
CRITICAL MARITIME SYSTEMS & SUPPORT LIMITED
Company type
LTD
Region
East of England
Registered address
Unknown
Insolvency history
No

Corporate ownership

Updated 07 Jul 2026 09:49

1 level 1 ultimate controller
1
Company Active LTD
Critical Maritime Systems & Support Limited
CRN 00953609
2
Direct and ultimate controller Active PLC
Science Group PLC
CRN 06536543

Company events

Reference milestones and recent Companies House filing stream events.

2 events
17 Aug
2026

Accounts With Accounts Type Full

Accounts PDF pending

AA | Transaction MzUzOTEwMjkyNWFkaXF6a2N4 | Paper/PDF filed

Published 19 Aug 2026 22:52

06 May
1969

Incorporated

Inception

Company registered at Companies House

Public funding

2 awards
First funded
2007
Funded years
2007, 2021
Age at first award
37 years

Projects

2021 Collaborative R&D

National Clean Maritime Demonstration Hub

1 Sep 2021 to 31 Mar 2022

Awarded
£10,664
Total cost £21,329

The project will conduct a high-quality feasibility study that, informing a business case for infrastructure-investment in Zero-Emission(ZE) Fuels/charging-infrastructure at the Port of Grimsby, at the same time as investment in operational programmes of work that will establish Grimsby as a national Clean Maritime Demonstration Hub (CMDH). Commercial eth...

2007 Collaborative R&D

Low Energy Vapour Recovery System (LEVERS)

1 Mar 2007 to 31 Aug 2011

Awarded
£171,831
Total cost £473,873

Awaiting Public Summary

Product types

Collaborative R&D