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UK company intelligence
Company Active LTD

Company profile

Calmag Holdings Limited

UK company 15154155, incorporated on 21 September 2023.

Calmag Holdings Limited is a UK company with status Active founded in 2023 based in South East England.

Company number
15154155
Incorporated
21 Sep 2023
Companies House status
Active

Company identity

Founded / incorporated
21 September 2023

Company number 15154155

Verify at Companies House
Legal name
CALMAG HOLDINGS LIMITED
Company type
Private Limited Company
Region
South East England
Registered address
FOURTH FLOOR, ABBOTS HOUSE
ABBEY STREET
READING
ENGLAND
RG1 3BD
Insolvency history
No

Corporate ownership

Updated 07 Jul 2026 09:49

5 levels 1 ultimate controller Controls 2
1
Company Active LTD
Calmag Holdings Limited
CRN 15154155
2
Direct controller Active LTD
Monarch Water Limited
CRN 06590010
3
Intermediate controller Active LTD
Culligan Shared Services (UK) Limited
CRN 11540567
4
Intermediate controller Active LTD
Osmosis Buyer Limited
CRN 13404693
5
Intermediate controller Active LTD
Osmosis Funding Limited
CRN 13456177
6
Ultimate controller Active LTD
Osmosis Holdings Topco Limited
CRN 13404702

Company events

Reference milestones and recent Companies House filing stream events.

5 events
04 Oct
2026

Confirmation statement due

Confirmation Due

Next confirmation statement due date

31 Aug
2026

Accounts due

Accounts Due

Next accounts due date

20 Sep
2025

Confirmation statement filed

Confirmation

Last confirmation statement made up date

30 Nov
2024

Accounts filed

Accounts

Last accounts made up date

21 Sep
2023

Incorporated

Inception

Company registered at Companies House