Bymetric
UK company intelligence
Company Active PRIVATE-UNLIMITED

Company profile

BT Fifty-One

UK company 03621755, incorporated on 20 August 1998.

BT Fifty-One is a UK company with status Active founded in 1998.

Company number
03621755
Incorporated
20 Aug 1998
Companies House status
Active

Company identity

Founded / incorporated
20 August 1998

Company number 03621755

Verify at Companies House
Legal name
BT FIFTY-ONE
Company type
Private Unlimited Company
Region
Unknown
Registered address
1 BRAHAM STREET
LONDON
UNITED KINGDOM
E1 8EE
Insolvency history
No

Corporate ownership

Updated 07 Jul 2026 09:49

5 levels 1 ultimate controller Controls 6
1
Company Active PRIVATE-UNLIMITED
BT Fifty-One
CRN 03621755
2
Direct controller Active LTD
BT (International) Holdings Limited
CRN 02216586
3
Intermediate controller Active LTD
BT Holdings Limited
CRN 02216773
4
Intermediate controller Active PLC
British Telecommunications Public Limited Company
CRN 01800000
5
Intermediate controller Active LTD
BT Group Investments Limited
CRN 04278695
6
Ultimate controller Active PLC
BT Group PLC
CRN 04190816

Company events

Reference milestones and recent Companies House filing stream events.

4 events
05 Sep
2026

Confirmation statement due

Confirmation Due

Next confirmation statement due date

22 Aug
2025

Confirmation statement filed

Confirmation

Last confirmation statement made up date

31 Mar
2025

Accounts filed

Accounts

Last accounts made up date

20 Aug
1998

Incorporated

Inception

Company registered at Companies House