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Company profile

Envirodyne Holdings Limited

UK company 01968550, incorporated on 4 December 1985.

Sonardyne | Underwater technology and engineering services

Sonardyne have been engineering the future of underwater technology for over 50 years. Track, monitor, image, survey, navigate.

Company number

01968550

Incorporated

4 Dec 1985

Companies House status

Active

Company identity

Founded / incorporated

4 December 1985

Company number 01968550

Verify at Companies House

Legal name

ENVIRODYNE HOLDINGS LIMITED

Company type

Private Limited Company

Region

London

Registered address

71 QUEEN VICTORIA STREET

LONDON

UNITED KINGDOM

EC4V 4BE

Insolvency history

Corporate ownership

Updated 07 Jul 2026 09:49

Controls 17

Envirodyne Holdings Limited

No active corporate controller recorded.

Company events

Reference milestones and recent Companies House filing stream events.

6 events

30 Sep

2027

Accounts due

Accounts Due

Next accounts due date

17 Jan

2027

Confirmation statement due

Confirmation Due

Next confirmation statement due date

03 Jul

2026

Change Registered Office Address Company With Date Old Address New Address

Address

AD01 | Transaction MzUzMDI5Mjg2MmFkaXF6a2N4

Published 03 Jul 2026 09:26

03 Jan

2026

Confirmation statement filed

Confirmation

Last confirmation statement made up date

31 Dec

2025

Accounts filed

Accounts

Last accounts made up date

04 Dec

1985

Incorporated

Inception

Company registered at Companies House