UK Companies House feature
CARBON UNDERWRITING LIMITED
Cash
£342K
+3.9% vs 2022
Net assets
£263K
+114.1% vs 2022
Employees
34
+61.9% vs 2022
Profit before tax
—
Period ending 2022-12-31
Profile
- Company number
- 11193856
- Status
- Active
- Incorporation
- 2018-02-07
- Last accounts made up
- 2024-12-31
- Account category
- FULL
- Primary SIC
- 66220
- Hubs
- UK Fintech
Net assets
4-year trend · vs UK Fintech median
Accounts
4-year trend · latest 2022-12-31
| Metric | Trend | 2020-02-29 | 2021-02-28 | 2022-02-28 | 2022-12-31 |
|---|---|---|---|---|---|
| Turnover | — | — | — | — | |
| Operating profit | — | — | — | — | |
| Profit before tax | — | — | — | — | |
| Net profit | — | — | — | — | |
| Cash | £4,255 | £252,115 | £329,461 | £342,179 | |
| Total assets less current liabilities | -£1,387,045 | -£1,320,253 | -£250,500 | £263,143 | |
| Net assets | — | -£1,320,253 | -£1,869,158 | £263,143 | |
| Equity | -£1,387,045 | -£1,320,253 | -£1,869,158 | £263,143 | |
| Average employees | 4 | 9 | 21 | 34 | |
| Wages | — | — | — | — |
Values shown as filed in iXBRL accounts. — indicates the figure was not present in the extracted filing (either not filed under that concept or absent from the period). About these numbers
Audit & accounting basis
From AI-extracted PDF accounts
- Accounting basis
- FRS 102
- Reporting scope
- Standalone (parent only)
- Auditor
- PKF Littlejohn LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“The Company has adequate resources to continue in operational existence for a period of at least until 31 August 2026, and no material uncertainties related to going concern have been identified. The Directors therefore continue to prepare the accounts on a going concern basis.”
Significant events
- “Research and Development activities are undertaken in the year as Carbon continue to further gain new scientific and technical knowledge regarding our proprietary system - Graphene.”
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
5 active · 8 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| BYRNE, Patrick Michael | Director | 2025-06-11 | Jan 1959 | British |
| FERRIER, Jacqueline Simone | Director | 2019-10-07 | Mar 1977 | British |
| LAIDLAW, Ben Alistair Hunter, Mr | Director | 2021-07-14 | Aug 1991 | British |
| PORACCHIA, Alexandre Christophe | Director | 2025-06-05 | Oct 1974 | British |
| WATSON, Michael Clive | Director | 2025-06-06 | Jun 1954 | British |
Show 8 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| DAVIES MGA SERVICES LIMITED | Corporate Secretary | 2018-03-23 | 2024-11-08 |
| ATKIN, Charles Neville Rupert | Director | 2023-10-27 | 2024-12-31 |
| BUTCHER, Christopher Stewart | Director | 2024-01-24 | 2025-12-31 |
| CARD, Stephen | Director | 2018-03-02 | 2023-07-14 |
| CARNAFFAN, Neil William | Director | 2018-02-07 | 2024-01-24 |
| LAWRENCE-BROWNE, Charles Andrew | Director | 2018-03-02 | 2018-08-08 |
| POGGIO, Mauro | Director | 2018-12-03 | 2020-07-13 |
| TYE, Nicholas George | Director | 2019-10-11 | 2025-11-06 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Carbon Underwriting Holdings Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2022-06-24 | Active |
| Mr Stephen Card | Individual | Significant influence | 2018-05-08 | Ceased 2020-03-02 |
| Ambant Underwriting Services Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2018-02-07 | Ceased 2018-05-08 |
Filing timeline
Last 20 of 98 total filings
| Date | Type | Category | Description |
|---|---|---|---|
| 2026-01-08 | TM01 | officers | termination director company with name termination date |
| 2025-11-17 | TM01 | officers | termination director company with name termination date |
| 2025-09-23 | AA | accounts | accounts with accounts type full |
| 2025-08-28 | CS01 | confirmation-statement | confirmation statement with no updates |
| 2025-06-12 | AP01 | officers | appoint person director company with name date |
| 2025-06-12 | AP01 | officers | appoint person director company with name date |
| 2025-06-12 | AP01 | officers | appoint person director company with name date |
| 2025-02-07 | AD03 | address | move registers to sail company with new address |
| 2025-02-06 | AD02 | address | change sail address company with new address |
| 2025-02-04 | AD01 | address | change registered office address company with date old address new address |
| 2025-01-07 | TM01 | officers | termination director company with name termination date |
| 2024-11-15 | TM02 | officers | termination secretary company with name termination date |
| 2024-10-05 | AA | accounts | accounts with accounts type full |
| 2024-09-04 | CS01 | confirmation-statement | confirmation statement with no updates |
| 2024-06-19 | MR01 | mortgage | mortgage create with deed with charge number charge creation date |
| 2024-01-30 | TM01 | officers | termination director company with name termination date |
| 2024-01-29 | AP01 | officers | appoint person director company with name date |
| 2023-12-04 | AP01 | officers | appoint person director company with name date |
| 2023-08-30 | CS01 | confirmation-statement | confirmation statement with no updates |
| 2023-08-09 | PSC05 | persons-with-significant-control | change to a person with significant control |
Credit score
Altman Z″ — composite of working capital, retained earnings, EBIT, and leverage
Activity Score
Composite activity score · components 0–100 · reference 2026-05-10
64.6
WARM
/ 100
- Filings velocity 58
- Capital events 0
- Officer churn 100
- Headcount trajectory 100
- Accounts trajectory 100
- 7 filing(s) in last 12 months
- 3 appointed, 2 resigned (12mo)
- Employees +62% YoY
- Net Assets +114% YoY