Bymetric
UK company intelligence
Company Active LTD

Company profile

Dsei Limited

UK company 03569490, incorporated on 22 May 1998.

Welcome

DSEI connects governments, national armed forces, industry thought leaders and the entire defence & security supply chain on a global scale.

Company number
03569490
Incorporated
22 May 1998
Companies House status
Active

Company identity

Founded / incorporated
22 May 1998

Company number 03569490

Verify at Companies House
Legal name
DSEI LIMITED
Company type
Private Limited Company
Region
London
Registered address
VINTAGE HOUSE
36 - 37 ALBERT EMBANKMENT
LONDON
ENGLAND
SE1 7TL
Insolvency history
No

Corporate ownership

Updated 07 Jul 2026 09:49

16 levels
Cycle detected in PSC corporate control data.
1
Company Active LTD
Dsei Limited
CRN 03569490
2
Direct controller Active LTD
Clarion Defence (UK) Limited
CRN 01062758
3
Intermediate controller Active LTD
Clarion Defence and Security Limited
CRN 06567404
4
Intermediate controller Active LTD
Clarion Events Limited
CRN 00454826
5
Intermediate controller Active LTD
Fintry 3 Limited
CRN 05170671
6
Intermediate controller Active LTD
Clarion Events Group Limited
CRN 05170380
7
Intermediate controller Active LTD
Clarion Events Holding Limited
CRN 05170525
8
Intermediate controller Active LTD
Clarion Acquisition Limited
CRN 06501939
9
Intermediate controller Active LTD
Clarion UK Midco Limited
CRN 06501933
10
Intermediate controller Active LTD
Clarion UK Holdco Limited
CRN 06501951
11
Intermediate controller Active LTD
Clarion UK Topco Limited
CRN 06501958
12
Intermediate controller Active LTD
Pspa Limited
CRN 09359116
13
Intermediate controller Active LTD
Pspa Holdco Limited
CRN 09359005
14
Intermediate controller Active LTD
Pspa Finance Limited
CRN 10026760
15
Intermediate controller Active LTD
Pspa Midco Limited
CRN 09370042
16
Intermediate controller Active LTD
Pspa Topco Limited
CRN 09369835
17
Intermediate controller Active LTD
Comet Bidco Limited
CRN 10866972

Company events

Reference milestones and recent Companies House filing stream events.

7 events
05 Jun
2027

Confirmation statement due

Confirmation Due

Next confirmation statement due date

31 Oct
2026

Accounts due

Accounts Due

Next accounts due date

17 Jun
2026

Change To A Person With Significant Control

Persons-with-significant-control

PSC05 | Transaction MzUyNjE5NTY1N2FkaXF6a2N4

Published 30 Jun 2026 14:59

10 Jun
2026

Confirmation Statement With No Updates

Confirmation-statement

CS01 | Transaction MzUyNjE5NzE3NGFkaXF6a2N4

Published 10 Jun 2026 11:05

22 May
2026

Confirmation statement filed

Confirmation

Last confirmation statement made up date

31 Jan
2025

Accounts filed

Accounts

Last accounts made up date

22 May
1998

Incorporated

Inception

Company registered at Companies House