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Company profile

Mainprize Offshore Ltd

UK company 01408138, incorporated on 9 January 1979.

Mainprize Offshore Ltd is a UK company with status Active founded in 1979 based in Yorkshire and the Humber.

Company number
01408138
Incorporated
9 Jan 1979
Companies House status
Active

Company identity

Founded / incorporated
9 January 1979

Company number 01408138

Verify at Companies House
Legal name
MAINPRIZE OFFSHORE LTD
Company type
Private Limited Company
Region
Yorkshire and the Humber
Registered address
UNIT 18, MANOR COURT MANOR GARTH
EASTFIELD
SCARBOROUGH
ENGLAND
YO11 3TU
Insolvency history
No

Corporate ownership

Updated 07 Jul 2026 09:49

6 levels 1 ultimate controller
1
Company Active LTD
Mainprize Offshore Ltd
CRN 01408138
2
Direct controller Active LTD
Mainprize Midco Limited
CRN 15436415
3
Intermediate controller Active LTD
Mainprize Holdings Limited
CRN 11873588
4
Intermediate controller Active LTD
Project Summer Bidco Limited
CRN 15248100
5
Intermediate controller Active LTD
Project Summer Topco Limited
CRN 15246688
6
Intermediate controller Active LLP
Alcuin GP V LLP
CRN OC428481
7
Ultimate controller Active LLP
Alcuin Capital Partners LLP
CRN OC331090

Company events

Reference milestones and recent Companies House filing stream events.

5 events
20 Jun
2027

Confirmation statement due

Confirmation Due

Next confirmation statement due date

31 Dec
2026

Accounts due

Accounts Due

Next accounts due date

06 Jun
2026

Confirmation statement filed

Confirmation

Last confirmation statement made up date

31 Mar
2025

Accounts filed

Accounts

Last accounts made up date

09 Jan
1979

Incorporated

Inception

Company registered at Companies House