Company Active PLC

Company profile

3I PLC

UK company 00397156, incorporated on 21 July 1945.

3I PLC is a UK company with status Active founded in 1945 based in London.

Company number

00397156

Incorporated

21 Jul 1945

Companies House status

Active

Company identity

Founded / incorporated

21 July 1945

Company number 00397156

Verify at Companies House

Legal name

3I PLC

Company type

Public Limited Company

Region

London

Registered address

1 KNIGHTSBRIDGE

LONDON

UNITED KINGDOM

SW1X 7LX

Insolvency history

Corporate ownership

Updated 07 Jul 2026 09:49

2 levels 1 ultimate controller Controls 112

Company Active PLC

3I PLC

CRN 00397156

Direct controller Active PLC

3I Holdings PLC

CRN 02591431

Ultimate controller Active PLC

3I Group PLC

CRN 01142830

Company events

Reference milestones and recent Companies House filing stream events.

5 events

30 Sep

2027

Accounts due

Accounts Due

Next accounts due date

15 Apr

2027

Confirmation statement due

Confirmation Due

Next confirmation statement due date

01 Apr

2026

Confirmation statement filed

Confirmation

Last confirmation statement made up date

31 Mar

2026

Accounts filed

Accounts

Last accounts made up date

21 Jul

1945

Incorporated

Inception

Company registered at Companies House