PROTOS HOLDING LIMITED
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Next accounts due
2026-09-30 (in 4mo)
Last filed for 2024-12-31
Confirmation statement due
2027-04-15 (in 11mo)
Last made up 2026-04-01
Watchouts
None on the register
Accounts
Audit & accounting basis
- Accounting basis
- IFRS
- Reporting scope
- Consolidated group
- Auditor
- Ernst & Young
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“The Directors consider the use of the going concern basis of accounting is appropriate because there are no material uncertainties related to events or conditions that may cast significant doubt about the ability of the Group and Parent Company to continue as a going concern.”
Group structure
- PROTOS HOLDING LIMITED · parent
- Protos ERF Limited 100%
Significant events
- “On 14 June 2025, Encyclis Protos Holdco Limited signed a Share Purchase Agreement with Biffa Corporate Holdings Limited for the purchase of the additional 25% interest in the Company. The sale is subject to lender consents and expected to close in July 2025.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
4 active · 14 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| SIALVI, Hassan Mustafa | Secretary | 2024-07-22 | — | — |
| GREGORY, Maria | Director | 2024-07-22 | Oct 1984 | British |
| MCSHANE, Anthony Thomas | Director | 2021-01-27 | Dec 1969 | British |
| SHAFQAT, Ahad | Director | 2023-07-23 | Apr 1986 | British |
Show 14 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| GREGORY, Maria | Secretary | 2023-07-23 | 2024-07-22 |
| OYEGOKE, Toye | Secretary | 2021-06-01 | 2023-07-23 |
| VISTRA COSEC LIMITED | Corporate Secretary | 2019-04-02 | 2021-06-01 |
| COOK, Iain | Director | 2023-10-14 | 2024-07-22 |
| EDGAR, Matthew John | Director | 2020-11-23 | 2022-06-08 |
| HOOD, Mary, Dr | Director | 2020-11-24 | 2022-06-07 |
| HOWIE, Andrew Tristan | Director | 2022-06-21 | 2023-10-14 |
| KOLTIS, Tommy John | Director | 2019-04-02 | 2023-10-14 |
| MCCAFFERY, Martin | Director | 2021-01-27 | 2022-06-08 |
| MILAN, Liam Oliver | Director | 2024-08-08 | 2025-07-22 |
| MULCAHY, Matthew Robert | Director | 2019-04-02 | 2022-06-21 |
| ROBERTS, Oliver | Director | 2022-06-13 | 2024-08-08 |
| THAIR, Michael | Director | 2020-11-24 | 2025-07-22 |
| WILSON, Stuart Andrew | Director | 2020-11-23 | 2022-03-30 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Encyclis Protos Holdco Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2019-04-02 | Active |
Filing timeline
Last 20 of 100 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-04-28 | SH01 | capital | Capital allotment shares | |
| 2026-04-28 | SH01 | capital | Capital allotment shares | |
| 2026-04-28 | SH01 | capital | Capital allotment shares | |
| 2026-04-28 | SH01 | capital | Capital allotment shares | |
| 2026-04-02 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2025-08-01 | AA | accounts | Accounts with accounts type group | |
| 2025-07-25 | TM01 | officers | Termination director company with name termination date | |
| 2025-07-25 | TM01 | officers | Termination director company with name termination date | |
| 2025-07-14 | CH01 | officers | Change person director company with change date | |
| 2025-05-19 | SH01 | capital | Capital allotment shares | |
| 2025-05-19 | SH01 | capital | Capital allotment shares | |
| 2025-05-19 | SH01 | capital | Capital allotment shares | |
| 2025-05-19 | SH01 | capital | Capital allotment shares | |
| 2025-05-19 | SH01 | capital | Capital allotment shares | |
| 2025-05-19 | SH01 | capital | Capital allotment shares | |
| 2025-05-19 | SH01 | capital | Capital allotment shares | |
| 2025-05-19 | SH01 | capital | Capital allotment shares | |
| 2025-05-19 | SH01 | capital | Capital allotment shares | |
| 2025-05-19 | SH01 | capital | Capital allotment shares | |
| 2025-04-11 | CS01 | confirmation-statement | Confirmation statement with no updates |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 19
- Capital events
- 14
- Officers appointed
- 0
- Officers resigned
- 2
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.
Year-on-year
Latest filed period vs the prior one