Website & contact details
- Group website
- The site of this company’s group or brand.
Mimecast Advisory Company Limited
- Incorporated
- 26 November 2021 (4 years)
- Previously known as
- Magnesium Midco 2 Limited (until 1 November 2022)
- Industry
- Activities of other holding companies n.e.c. (64209)
- Directors
- Ranjan SinghPatrice Perche
- Owned by
- Accounts type
- Full
- Region
- Greater London
- Address
- Floor 41 Finsbury AvenueLondonEC2M 2PF
Filing status
- Accounts due
- 31 December 2026
- Last accounts
- 31 March 2025
- Conf. stmt due
- 9 December 2026
- Last conf. stmt
- 25 November 2025
Charges
- Total
- 2
- Outstanding
- 2
- Part satisfied
- 0
- Satisfied
- 0
Officers 9 active
Officer details are public data from the Companies House register.
Singh, Ranjan
Director · Appointed 17 July 2026
American
Born January 1972 (54)
Perche, Patrice
Director · Appointed 25 June 2025
French
Born April 1962 (64)
British
Born February 1991 (35)
Kulkarni, Amol Sudhakar
Director · Appointed 19 September 2024
American
Born February 1970 (56)
Dollase, Christopher
Secretary · Appointed 7 March 2023
Schuster, Gavriella
Director · Appointed 1 November 2022
American
Born July 1966 (60)
Bauer, Peter Cyril
Director · Appointed 19 May 2022
British
Born December 1973 (52)
Director · Appointed 19 May 2022
British
Born December 1976 (49)
Director · Appointed 26 November 2021
French
Born March 1989 (37)
Officer history (8 former)
17 July 2026
Appointed Singh, Ranjan as Director
30 June 2026
25 June 2025
Appointed Perche, Patrice as Director
30 May 2025
30 May 2025
Resigned Lanpher, Ryan as Director
19 September 2024
Appointed Kulkarni, Amol Sudhakar as Director
22 January 2024
7 March 2023
Appointed Dollase, Christopher as Secretary
7 March 2023
Resigned Nault, Robert as Secretary
31 January 2023
17 December 2022
Resigned Eggemeier, Thomas as Director
1 November 2022
1 November 2022
Appointed Schuster, Gavriella as Director
19 May 2022
Appointed Bauer, Peter Cyril as Director
19 May 2022
Appointed Eggemeier, Thomas as Director
19 May 2022
Appointed Nault, Robert as Secretary
19 May 2022
Appointed Lanpher, Ryan as Director
19 May 2022
19 May 2022
19 May 2022
19 May 2022
26 November 2021
26 November 2021
26 November 2021
26 November 2021
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 26 November 2021
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Limited By Shares
Reg. no. 13768292
Group structure 48 shown
Ownership group derived from the Companies House PSC register
Eightplatform I Limited Owns 75–100% of shares
Mimecast Advisory Company Limited This company Owns 75–100% of shares
Mimecast Midco Limited Owns 75–100% of shares
Eightplatform II Limited Owns 75–100% of shares
Artisan Topco Limited Owns 75–100% of shares
Artisan Midco Limited Owns 75–100% of shares
Eightplatform IV Limited Owns 75–100% of shares
Eightplatform V Limited Owns 75–100% of shares
Eden Topco Limited Owns 75–100% of shares
Eden Holdco 1 Limited Owns 75–100% of shares
Eightplatform Vii Limited Owns 75–100% of shares
Aurelia UK Feederco Limited Owns 25–50% of shares
Adevinta UK Limited Owns 25–50% of shares
Eightplatform XI Limited Owns 75–100% of shares
Eightplatform Xii Limited Owns 75–100% of shares
Eightplatform Xiii Limited Owns 75–100% of shares
4-6 Cliveden Place Limited Owns 50–75% of shares (as a trust)
Indos Financial Limited Owns 75–100% of shares
JTC (UK) Limited Owns 75–100% of shares
Castle Directors (UK) Limited Owns 75–100% of shares
Hanway Advisory Limited Owns 75–100% of shares
JTC Corporate Services (UK) Limited Owns 75–100% of shares
JTC Directors (UK) Limited Owns 75–100% of shares
JTC Securities (UK) Limited Owns 75–100% of shares
JTC Trustee Services (UK) Limited Owns 75–100% of shares
JTC Trustees (UK) Limited Owns 75–100% of shares
JTC Bravo Holdings Limited Owns 75–100% of shares
JTC Gas UK LLP Holds 25–50% of voting rights
JTC Employer Solutions (UK) Limited Owns 75–100% of shares
JTC Employer Solutions Trustee (UK) Limited Owns 75–100% of shares
JTC Share Plan Trustees (UK) Limited Owns 75–100% of shares
JTC Fund Services (UK) Limited Owns 75–100% of shares
JTC Global Aifm Solutions (UK) Limited Owns 75–100% of shares
JTC Group Holdings (UK) Limited Owns 75–100% of shares
Perform Due Diligence Services Limited Owns 75–100% of shares
JTC Private Office (UK) Limited Owns 75–100% of shares
JTC Registrars (UK) Limited Owns 75–100% of shares
JTC Trust and Fiduciary Services (UK) Limited Owns 75–100% of shares
JTC Trust Company (UK) Limited Owns 75–100% of shares
JTC UK (Amsterdam) Limited Owns 75–100% of shares
Seproperty Investments Limited Owns 75–100% of shares (as a trust)
Winova Consulting Limited Owns 75–100% of shares (as a trust)
Eightplatform Xiv Limited Owns 75–100% of shares
Kant Topco Limited Owns 75–100% of shares
Kant Midco Limited Owns 75–100% of shares
Eightplatform XV Limited Owns 75–100% of shares
Filings 43
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 9 October 2026 | Appointment of a director | |||
| 24 August 2026 | Termination of appointment of a director | |||
| 29 January 2026 | Confirmation statement with no updates | 25 November 2025 | ||
| 9 January 2026 | Appointment of a director | |||
| 9 January 2026 | Appointment of a director |
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