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CRITICAL MARITIME SYSTEMS & SUPPORT LIMITED

Active
00953609·incorporated 1969-05-06

CRITICAL MARITIME SYSTEMS & SUPPORT LIMITED is an active UK private limited company, incorporated on 6 May 1969 at Companies House (number 00953609; OpenRegistry canonical ID GB-00953609-critical-maritime-systems-support-limited). Sophymarine's OpenRegistry classifies it under SIC 28990 (Manufacture of other special-purpose machinery n.e.c.), one of 2,931 active UK entities in that code and one of 22,547 active companies registered in Cambridge (postcode CB22). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
1969-05-06
Registered Address
HARSTON MILL ROYSTON ROAD, HARSTON, CAMBRIDGE, CB22 7GG, ENGLAND
SIC
28990 — Manufacture of other special-purpose machinery n.e.c.
Country of origin
United Kingdom

Directors

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Shareholders

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Financials

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Filings

Check filing history of CRITICAL MARITIME SYSTEMS & SUPPORT LIMITED

Accounts

Last filed accounts made up to 2024-12-31. Next accounts due 2026-09-30. Financial year-end: 31/12. Filing class: FULL.

Confirmation statement

Last confirmation statement made up to 2025-05-01. Next confirmation statement due 2026-05-15.

Mortgages and charges

15 charges recorded against the company at Companies House: 3 outstanding, 12 satisfied, 0 partially satisfied.

Persons with significant control

CRITICAL MARITIME SYSTEMS & SUPPORT LIMITED has 1 person with significant control on file:

  • Science Group Plc (England reg. 06536543). Notified 2025-09-11.
    • Owns 75% or more of shares
    • Holds 75% or more of voting rights
    • Has the right to appoint and remove directors

1 historical PSC record has ceased:

  • Tp Group Limited (England reg. 03152034). Notified 2016-06-14. Ceased 2025-09-11.
    • Owns 75% or more of shares

Previous names

CRITICAL MARITIME SYSTEMS & SUPPORT LIMITED has previously traded as:

  • TPG MARITIME LIMITED (until 2023-07-17)
  • ATMOSPHERE CONTROL INTERNATIONAL LIMITED (until 2016-05-27)
  • WELLMAN DEFENCE LIMITED (until 2012-05-03)

Similar UK companies

Other companies registered under SIC 28990 (Manufacture of other special-purpose machinery n.e.c.):

Other companies registered in Cambridge:

Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/00953609.

Source: Companies House Free Company Data, refreshed 2026-05-01. Official record: find-and-update.company-information.service.gov.uk.