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UK company intelligence
Company Active LTD

Company profile

Rock Rail NNW Midco Limited

UK company 16984021, incorporated on 23 January 2026.

Rock Rail NNW Midco Limited is a UK company with status Active founded in 2026 based in London.

Company number
16984021
Incorporated
23 Jan 2026
Companies House status
Active

Company identity

Founded / incorporated
23 January 2026

Company number 16984021

Verify at Companies House
Legal name
ROCK RAIL NNW MIDCO LIMITED
Company type
Private Limited Company
Region
London
Registered address
CAPITAL TOWER
91 WATERLOO ROAD
LONDON
UNITED KINGDOM
SE1 8RT
Insolvency history
No

Corporate ownership

Updated 07 Jul 2026 09:49

8 levels 1 ultimate controller Controls 4
1
Company Active LTD
Rock Rail NNW Midco Limited
CRN 16984021
2
Direct controller Active LTD
Rock Rail NNW Parent Ltd
CRN 16529667
3
Intermediate controller Active LTD
JL NNW Rail Holdco Limited
CRN 17040095
4
Intermediate controller Active LTD
JOHN Laing Investments Holding Limited
CRN 07515823
5
Intermediate controller Active LTD
JOHN Laing Limited
CRN 01345670
6
Intermediate controller Active LTD
JOHN Laing Holdco Limited
CRN 05935957
7
Intermediate controller Active LTD
JOHN Laing Group Limited
CRN 05975300
8
Intermediate controller Active LTD
Aqueduct Bidco Limited
CRN 13355350
9
Ultimate controller
06284582
CRN 06284582

Company events

Reference milestones and recent Companies House filing stream events.

3 events
30 Sep
2027

Accounts due

Accounts Due

Next accounts due date

05 Feb
2027

Confirmation statement due

Confirmation Due

Next confirmation statement due date

23 Jan
2026

Incorporated

Inception

Company registered at Companies House