Overview
Legal name
WESTMINSTER PLANT CO. LIMITED
Region
South East England
Registered address
Unknown
Insolvency history
No
Company
Active
LTD
Company profile
Westminster Plant Co. Limited
Westminster Plant Co. Limited is a UK company with status active founded in 1955 based in South East England.
CRN
00552140
Founded
1955
Age
70
Corporate ownership
Updated 06 Jun 2026 16:52
3 levels
1 ultimate controller
1
Company
Active
LTD
Westminster Plant Co. Limited
CRN 00552140
2
Direct controller
Active
LTD
Costain Building & Civil Engineering Limited
CRN 01054232
3
Intermediate controller
Active
LTD
Costain Engineering & Construction Limited
CRN 02440829
4
Ultimate controller
Active
PLC
Costain Group PLC
CRN 01393773
Company events
Reference milestones and recent Companies House filing stream events.
1 event
15 Jul
1955
Incorporated
InceptionCompany registered at Companies House