UK Companies House feature
PROTOS HOLDING LIMITED
Profile
- Company number
- 11920987
- Status
- Active
- Incorporation
- 2019-04-02
- Last accounts made up
- 2024-12-31
- Account category
- GROUP
- Primary SIC
- 35110
- Hubs
- UK Energy & Climate
Accounts
Pending extraction
No iXBRL extracted yet for this company.
Audit & accounting basis
From AI-extracted PDF accounts
- 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.”
Subsidiaries
- Protos ERF Limited · 100% held · England · Developing a new energy recovery facility
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 / subsidiary information is extracted from the PDF version of the latest annual accounts and is not tagged in iXBRL. 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 |
Credit score
Altman Z″ — composite of working capital, retained earnings, EBIT, and leverage
Credit score requires extracted accounts data.
Activity Score
Filings velocity, capital events, officer churn, accounts trajectory
Activity Score not yet computed for this company.