MIMECAST UK LIMITED
Mimecast UK Limited is the principal British operating entity of the Permira-backed Mimecast group, providing cloud-based email security, data compliance, and risk management software to corporate clients.
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Cash
£403K
USD 538,000
+281.6% vs 2024
Net assets
£169M
USD 226,060,000
-93% vs 2024
Employees
—
Average over period
Profit before tax
£112M
USD 149,986,000
-52.4% vs 2024
Net assets
2-year trend · vs Technology median
Accounts
2-year trend · Δ = latest vs prior filed period · latest reflected 2025-03-31
| Metric | Trend | 2024-03-31 | 2025-03-31 | Δ vs prior |
|---|---|---|---|---|
| Turnover | — | — | — | |
| Operating profit | £1,234,466 | £1,078,006 | -12.7% | |
| Profit before tax | £236,004,641 | £112,281,779 | -52.4% | |
| Net profit | £235,410,990 | £112,281,779 | -52.3% | |
| Cash | £105,555 | £402,755 | +281.6% | |
| Total assets less current liabilities | £2,424,078,455 | £169,231,921 | -93% | |
| Net assets | £2,424,078,455 | £169,231,921 | -93% | |
| Equity | £2,424,078,455 | £169,231,921 | -93% | |
| Average employees | — | — | — | |
| Wages | — | — | — | |
| Directors' remuneration | — | — | — |
Figures converted to GBP from USD at 0.749 per USD (Frankfurter spot rate) — hover any figure for the original. — indicates the figure wasn't present under that line item in that period. The Δ column is the change from the prior filed period as a percentage of |prior|; lines a company doesn't report show —. About these numbers
Ratios
Computed from the line items above — sparklines read oldest → newest
| Ratio | Trend | 2024-03-31 | 2025-03-31 |
|---|---|---|---|
| Return on capital employed | 0.1% | 0.6% | |
| Gearing (liabilities / total assets) | 0.3% | 3.3% | |
| Current ratio | — | 0.15x | |
| Interest cover | 5.50x | 36.00x |
Gearing is liabilities over total assets. Current ratio is current assets over creditors falling due within one year. Interest cover is operating profit over absolute finance costs. Sector-distribution context coming next.
Name history
Renamed 1 time since incorporation
- MIMECAST UK LIMITED 2016-02-04 → present
- MIMECAST LIMITED 2003-03-14 → 2016-02-04
Audit & accounting basis
- Accounting basis
- FRS 101
- Reporting scope
- Standalone (parent only)
- Auditor
- Ernst & Young LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“The financial statements have been prepared on a going concern basis which assumes the Company will continue in operational existence for the foreseeable future. Management has assessed the relevant factors surrounding going concern, including financing available from other companies in the Mimecast Group, and concludes that there are no material events or uncertainties that may cast significant doubt about the ability of the company to continue as a going concern. Mimecast Holding Company Limited (the "Ultimate Parent Company") intends to provide continuing financial support to enable the Company to meet its obligations when they fall due for a period to 31 December 2026.”
Group structure
- MIMECAST UK LIMITED · parent
- Mimecast Services Limited 100%
- Mimecast South Africa (Pty) Limited 100%
- Mimecast Offshore Limited 100%
- Mimecast Australia Pty Ltd 100%
- Mimecast Germany GmbH 100%
- Mimecast Canada Limited 100%
- Mimecast Israel Limited 100%
- Mimecast Netherlands B.V. 100%
- Mimecast France SARL 100%
- Mimecast India Private Limited 100%
- Mimecast Singapore Pte. Ltd. 100%
Significant events
- “On 7 July 2025, the Company acquired Mimecast Spain, S.L., for a total consideration of €3,500.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
4 active · 17 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| DOLLASE, Christopher | Secretary | 2023-02-01 | — | — |
| CALL, David | Director | 2023-11-30 | Jan 1974 | American |
| PROSPER, Janet Alexia | Director | 2025-10-15 | Mar 1968 | British |
| ZADELHOFF, Marc Van | Director | 2024-01-22 | May 1972 | Dutch,American |
Show 17 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| CAMPBELL, Peter | Secretary | 2007-10-10 | 2019-03-25 |
| NAULT, Robert | Secretary | 2019-03-25 | 2023-01-31 |
| PHILLIPS, Roderick John | Secretary | 2003-03-14 | 2007-04-26 |
| BAUER, Peter Cyril | Director | 2003-03-14 | 2024-01-19 |
| BENTLEY, Heather Jean | Director | 2020-01-13 | 2022-07-20 |
| BROWN, Rafael E | Director | 2019-03-25 | 2023-11-29 |
| CAMPBELL, Peter | Director | 2007-04-26 | 2019-03-25 |
| DALLE, Bernard | Director | 2009-12-22 | 2015-12-08 |
| ESPEY, James Stuart | Director | 2003-03-14 | 2009-12-22 |
| FIORE, Norman Benito | Director | 2009-03-24 | 2015-12-08 |
| FITZGERALD, Christopher Francis | Director | 2007-07-10 | 2015-12-08 |
| HEDGER, Michael Carey | Director | 2007-07-10 | 2015-06-12 |
| JACOBS, Danie | Director | 2022-07-20 | 2025-10-15 |
| JENKINS, Andrew | Director | 2007-04-26 | 2009-12-22 |
| LIEBERMAN, Jeff | Director | 2012-09-18 | 2015-12-08 |
| MURRAY, Neil Hamilton | Director | 2003-03-14 | 2020-01-13 |
| SCHWARTZ, Hagi | Director | 2015-07-19 | 2015-12-08 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Mimecast Bidco Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2023-01-12 | Active |
| Mimecast Limited | Corporate entity | Shares 75–100%, Voting 75–100% | 2016-04-06 | Ceased 2023-01-12 |
| Mimecast Limited | Corporate entity | Shares 75–100% | 2016-04-06 | Ceased 2023-01-12 |
Filing timeline
Last 20 of 189 total filings
Material constitutional events — rename, articles re-file, resolution
- 2024-09-24 RESOLUTIONS Resolution
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-04-30 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2026-01-02 | AA | accounts | Accounts with accounts type full | |
| 2025-10-15 | AP01 | officers | Appoint person director company with name date | |
| 2025-10-15 | TM01 | officers | Termination director company with name termination date | |
| 2025-04-24 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-12-12 | AA | accounts | Accounts with accounts type full | |
| 2024-09-24 | SH19 | capital | Capital statement capital company with date currency figure | |
| 2024-09-24 | SH20 | capital | Legacy | |
| 2024-09-24 | CAP-SS | insolvency | Legacy | |
| 2024-09-24 | RESOLUTIONS | resolution | Resolution | |
| 2024-04-24 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-04-02 | AA | accounts | Accounts with accounts type full | |
| 2024-02-15 | TM01 | officers | Termination director company with name termination date | |
| 2024-02-15 | AP01 | officers | Appoint person director company with name date | |
| 2023-12-28 | AP01 | officers | Appoint person director company with name date | |
| 2023-12-28 | TM01 | officers | Termination director company with name termination date | |
| 2023-10-26 | CH01 | officers | Change person director company with change date | |
| 2023-05-10 | PSC02 | persons-with-significant-control | Notification of a person with significant control | |
| 2023-05-10 | PSC09 | persons-with-significant-control | Withdrawal of a person with significant control statement | |
| 2023-04-17 | CS01 | confirmation-statement | Confirmation statement with no updates |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 4
- Capital events
- 2
- Officers appointed
- 1
- Officers resigned
- 1
last 12 months
last 24 months
last 12 months
last 12 months
Direct counts from the register. No score, no rating — see the Filing timeline for the underlying events.