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Mimecast Midco Limited

Mimecast Midco Limited is an active company incorporated on 29 November 2021 with the registered office located in London, City of London. Mimecast Midco Limited was registered 4 years ago.
Status
Active
Active since incorporation
Company No
13772362
Private limited company
Age
4 years
Incorporated 29 November 2021
Size
Micro
Turnover is under £1M
Under 10 employees
Confirmation
Submitted
Dated 28 November 2025 (28 days ago)
Next confirmation dated 28 November 2026
Due by 12 December 2026 (11 months remaining)
Last change occurred 3 years ago
Accounts
Due Soon
For period 1 Apr31 Mar 2024 (1 year)
Accounts type is Full
Next accounts for period 31 March 2025
Due by 31 December 2025 (4 days remaining)
Contact
Address
Floor 4 1 Finsbury Avenue
London
EC2M 2PF
England
Address changed on 8 Jun 2022 (3 years ago)
Previous address was C/O Alter Domus (Uk) Limited 18 st Swithin's Lane London EC4N 8AD United Kingdom
Telephone
Unreported
Email
Unreported
Website
Unreported
People
Officers
3
Shareholders
1
Controllers (PSC)
1
Director • British • Lives in UK • Born in Mar 1968
Director • American • Lives in United States • Born in Jan 1974
Mimecast Advisory Company Limited
PSC
Shareholders, PSCs & Group Structure
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Mutual Companies
Mimecast UK Limited
David Call and Janet Alexia Prosper are mutual people.
Active
Mimecast Services Limited
David Call and Janet Alexia Prosper are mutual people.
Active
Mimecast Bidco Limited
David Call and Janet Alexia Prosper are mutual people.
Active
Financials
Net Assets, Total Assets & Total Liabilities (2023–2024)
Period Ended
31 Mar 2024
For period 31 Mar31 Mar 2024
Traded for 12 months
Cash in Bank
£1K
Decreased by £54K (-98%)
Turnover
Unreported
Same as previous period
Employees
Unreported
Same as previous period
Total Assets
£2.2B
Decreased by £295.12M (-12%)
Total Liabilities
-£1B
Increased by £81.73M (+9%)
Net Assets
£1.2B
Decreased by £376.85M (-24%)
Debt Ratio (%)
46%
Increased by 8.65% (+23%)
Latest Activity
Confirmation Submitted
15 Days Ago on 11 Dec 2025
Janet Alexia Prosper Appointed
2 Months Ago on 15 Oct 2025
Danie Jacobs Resigned
2 Months Ago on 15 Oct 2025
Michael Paisley Resigned
6 Months Ago on 31 May 2025
Full Accounts Submitted
1 Year Ago on 12 Dec 2024
Confirmation Submitted
1 Year Ago on 8 Dec 2024
David Call Appointed
2 Years Ago on 30 Nov 2023
Rafeal Edgar Brown Resigned
2 Years Ago on 29 Nov 2023
Magnesium Midco 2 Limited (PSC) Details Changed
3 Years Ago on 1 Nov 2022
Mimecast Advisory Company Limited (PSC) Details Changed
3 Years Ago on 8 Jun 2022
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Documents
Confirmation statement made on 28 November 2025 with no updates
Submitted on 11 Dec 2025
Appointment of Janet Alexia Prosper as a director on 15 October 2025
Submitted on 15 Oct 2025
Termination of appointment of Danie Jacobs as a director on 15 October 2025
Submitted on 15 Oct 2025
Change of details for Mimecast Advisory Company Limited as a person with significant control on 8 June 2022
Submitted on 5 Jun 2025
Change of details for a person with significant control
Submitted on 4 Jun 2025
Change of details for Magnesium Midco 2 Limited as a person with significant control on 1 November 2022
Submitted on 3 Jun 2025
Termination of appointment of Michael Paisley as a director on 31 May 2025
Submitted on 2 Jun 2025
Change of details for a person with significant control
Submitted on 12 Dec 2024
Full accounts made up to 31 March 2024
Submitted on 12 Dec 2024
Change of details for a person with significant control
Submitted on 12 Dec 2024
Repayment History
Understand how businesses repay their debts and see how they're performing year‐on‐year