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Company profile

Marsh & Mclennan Companies UK Limited

UK company 03053550, incorporated on 5 May 1995.

Marsh & Mclennan Companies UK Limited is a UK company with status active founded in 1995 based in London.

Company number
03053550
Incorporated
5 May 1995
Companies House status
Active

Company identity

Founded / incorporated
5 May 1995

Company number 03053550

Verify at Companies House
Legal name
MARSH & MCLENNAN COMPANIES UK LIMITED
Company type
LTD
Region
London
Registered address
Unknown
Insolvency history
No

Corporate ownership

Updated 07 Jul 2026 09:49

2 levels 1 ultimate controller Controls 127
1
Company Active LTD
Marsh & Mclennan Companies UK Limited
CRN 03053550
2
Direct controller Active LTD
Calm Treasury Holdings Limited
CRN 09787086
3
Ultimate controller
36-2668272
CRN 36-2668272

Company events

Reference milestones and recent Companies House filing stream events.

2 events
13 Aug
2026

Accounts With Accounts Type Full

Accounts PDF pending

AA | Transaction MzUzODA1MjMwN2FkaXF6a2N4 | Paper/PDF filed

Published 18 Aug 2026 22:57

05 May
1995

Incorporated

Inception

Company registered at Companies House