CARBON UNDERWRITING LIMITED
Get an alert when CARBON UNDERWRITING LIMITED files next
Leroy will email you the moment a new filing lands at Companies House — one short note per filing, nothing else.
Next accounts due
2026-09-30 (in 4mo)
Last filed for 2024-12-31
Confirmation statement due
2026-09-08 (in 4mo)
Last made up 2025-08-25
Watchouts
None on the register
Cash
£342K
+3.9% highest in 4 filed years
Net assets
£263K
+114.1% highest in 4 filed years
Employees
34
+61.9% highest in 4 filed years
Profit before tax
—
Period ending 2022-12-31
Net assets
4-year trend · vs Financials median
Accounts
4-year trend · latest reflected 2022-12-31
Latest accounts filed cover 2024-12-31; financial figures currently reflect up to 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 the company's annual accounts. — indicates the figure wasn't present under that line item in that period. About these numbers
Audit & accounting basis
- 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 and subsidiary information is drawn from the narrative of the latest annual accounts. 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 |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 7
- Capital events
- 0
- Officers appointed
- 3
- 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
FY2022 → FY2022 · period ending 2022-12-31 vs 2022-02-28
-
Turnover
—
Not reported
-
Cash
+3.9%
£329,461 £342,179
highest in 4 filed years
-
Net assets
+114.1%
-£1,869,158 £263,143
highest in 3 filed years
-
Employees
+61.9%
21 34
highest in 4 filed years
Each % is (latest − prior) ÷ |prior| for the line item as filed. Periods don't have to be exactly 12 months apart — a long or short period (typical around incorporation or year-end changes) will distort the comparison. Lines a company doesn't report are omitted. About these numbers