Mason Advisory Group Holdings Limited

Active15221387 Private limited company
Incorporated
19 October 2023 (3 years)
Previously known as
Hamsard 3734 Limited (until 9 April 2024)
This list may be incomplete. See all names on Companies House
Industry
Activities of other holding companies n.e.c. (64209)
Directors
Simon Paul Morris
Jens Peter Montanana
Accounts type
Audit exemption subsidiary
Region
Greater London
Address
1-3 Pemberton Row
3rd Floor
London
EC4A 3BG

Filing status

Accounts due
30 November 2026
Last accounts
28 February 2025
Conf. stmt due
1 November 2027
Last conf. stmt
18 October 2026

Officers 5 active

Officer details are public data from the Companies House register.

Director · Appointed 9 April 2024
Portuguese
Born September 1979 (47)
Morris, Simon Paul
Director · Appointed 9 April 2024
British
Born August 1963 (63)
Montanana, Jens Peter
Director · Appointed 9 April 2024
British
Born December 1960 (65)
Pugh, Paul John
Director · Appointed 9 April 2024
British
Born January 1969 (57)
Director · Appointed 9 April 2024
British
Born June 1962 (64)
Officer history (2 former)
9 April 2024
Appointed De Lima, Marco as Director
9 April 2024
Appointed Morris, Simon Paul as Director
9 April 2024
Appointed Montanana, Jens Peter as Director
9 April 2024
Appointed Pugh, Paul John as Director
9 April 2024
Appointed Watmough, Stephen John as Director
9 April 2024
Resigned Jones, Jonathan James as Director
9 April 2024
Resigned Squire Patton Boggs Directors Limited as Corporate Director
19 October 2023
Appointed Jones, Jonathan James as Director
19 October 2023
Appointed Squire Patton Boggs Directors Limited as Corporate Director

Ownership 1 active

People and entities with significant control, from the Companies House PSC register

Corporate entity · Notified 9 April 2024
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Private Company Limited By Shares
Reg. no. 15224484
Former controllers (1)
9 April 2024
Ceased Squire Patton Boggs Directors Limited — Owns 75–100% of shares

Group structure 14 shown

Ownership group derived from the Companies House PSC register

Logicalis Group Limited Owns 75–100% of shares
Kumulus International Holdings Limited Status not confirmedOwns 50–75% of shares
Logicalis Group Finance Limited Proposed for strike-offOwns 75–100% of shares
Promon-Logicalis Latin America Limited Has significant influence or control
Mason Advisory Group Ltd Owns 75–100% of shares
Mason Advisory Group Holdings Limited This company Owns 75–100% of shares
Paratira Limited Owns 75–100% of shares

Filings

Recent filings only. See the full history on Companies House

DateDescriptionMade Up ToPagesPDF
3 November 2026Other filing
3 November 2026Other filing
3 November 2026Accounts filing
27 October 2026Confirmation statement with updates18 October 2026

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