# Critical Maritime Systems & Support Limited

## Details

- **Company number:** [00953609](https://find-and-update.company-information.service.gov.uk/company/00953609)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 6 May 1969
- **Registered office:** HARSTON MILL ROYSTON ROAD, HARSTON, CAMBRIDGE, CB22 7GG
- **Nature of business:** [28990](/sic/28990) Manufacture of other special-purpose machinery n.e.c.
- **Corporate group:** [Science Group PLC](/group/19660) (8 companies)


## Previous names

- Wellman Cjb Limited (until 16 Mar 2001)
- CJB Developments Limited (until 17 Mar 1997)
- Atmosphere Control International Limited (until 27 May 2016)
- TPG Maritime Limited (until 17 Jul 2023)
- Wellman Defence Limited (until 3 May 2012)




## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Tp Group Limited | ownership-of-shares-75-to-100-percent | 14 Jun 2016 | 11 Sep 2025 |
| Science Group Plc | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 11 Sep 2025 |  |




## Owned by

Critical Maritime Systems & Support Limited → [Science Group PLC](/company/06536543)





## Companies at the same address

- [Frontier Smart Technologies Limited](/company/04213838) (04213838)
- [Leatherhead Research Limited](/company/09528674) (09528674)
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- [Osprey Consulting Services Limited](/company/06034579) (06034579)
- [Quadro Epsom Limited](/company/05804559) (05804559)
- [Sagentia Limited](/company/02081960) (02081960)
- [Science Group PLC](/company/06536543) (06536543)
- [Technology Sciences Group Consulting Limited](/company/08887436) (08887436)
- [TPG Services Limited](/company/02849800) (02849800)