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Company profile

Sec-1 Limited

Sec-1 now fully incorporated into Claranet. How to find us. | Claranet UK

Sec-1 Limited is a UK company with status active founded in 2001 based in London.

CRN
04138637
Founded
2001
Age
25

Overview

Legal name
SEC-1 LIMITED
Region
London
Registered address
17 SLINGSBY PLACE
THE YARDS
LONDON
UNITED KINGDOM
WC2E 9AB
Insolvency history
No

Corporate ownership

Updated 07 Jul 2026 09:49

3 levels 1 ultimate controller
1
Company Active LTD
Sec-1 Limited
CRN 04138637
2
Direct controller Active LTD
Sec-1 Holdings Limited
CRN 07307736
3
Intermediate controller Active LTD
Claranet Limited
CRN 03152737
4
Ultimate controller Active LTD
Claranet Group Limited
CRN 04037420

Company events

Reference milestones and recent Companies House filing stream events.

6 events
31 Mar
2027

Accounts due

Accounts Due

Next accounts due date

23 Jan
2027

Confirmation statement due

Confirmation Due

Next confirmation statement due date

19 Jun
2026

Termination Director Company With Name Termination Date

Officers

TM01 | Transaction MzUyNzM1OTM3MGFkaXF6a2N4

Published 19 Jun 2026 15:06

09 Jan
2026

Confirmation statement filed

Confirmation

Last confirmation statement made up date

30 Jun
2025

Accounts filed

Accounts

Last accounts made up date

10 Jan
2001

Incorporated

Inception

Company registered at Companies House