CORERO NETWORK SECURITY PLC
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Cash
£3M
USD 4,034,000
-24.2% lowest in 3 filed years
Net assets
£14M
USD 18,552,000
-0.6% vs 2024
Employees
91
+4.6% highest in 3 filed years
Profit before tax
-£489K
USD -653,000
-217.7% lowest in 3 filed years
Net assets
3-year trend · vs Industrials median
Accounts
3-year trend · Δ = latest vs prior filed period · latest reflected 2025-12-31
| Metric | Trend | 2023-12-31 | 2024-12-31 | 2025-12-31 | Δ vs prior |
|---|---|---|---|---|---|
| Turnover | £16,730,798 | £18,385,237 | £19,088,935 | +3.8% | |
| Operating profit | -£11,978 | £368,319 | -£497,080 | -235% | |
| Profit before tax | -£114,538 | £415,481 | -£488,846 | -217.7% | |
| Net profit | -£127,265 | £372,810 | -£532,265 | -242.8% | |
| Cash | £3,862,854 | £3,983,381 | £3,019,913 | -24.2% | |
| Total assets less current liabilities | £18,243,749 | £16,614,014 | £15,354,095 | -7.6% | |
| Net assets | £12,529,570 | £13,972,152 | £13,888,307 | -0.6% | |
| Equity | £12,529,570 | £13,972,152 | £13,888,307 | -0.6% | |
| Average employees | 76 | 87 | 91 | +4.6% | |
| Wages | £9,502,920 | £10,299,446 | £11,115,436 | +7.9% | |
| Directors' remuneration | £1,393,921 | £1,414,134 | £1,189,549 | -15.9% |
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 | 2023-12-31 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|
| Operating margin | -0.1% | 2.0% | -2.6% | |
| Net margin | -0.8% | 2.0% | -2.8% | |
| Return on capital employed | -0.1% | 2.2% | -3.2% | |
| Gearing (liabilities / total assets) | 41.1% | 44.3% | 43.6% | |
| Current ratio | 3.51x | 1.50x | 1.13x | |
| Interest cover | -0.09x | 13.67x | -18.44x |
Margins divide P&L lines by turnover. 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 2 times since incorporation
- CORERO NETWORK SECURITY PLC 2011-06-29 → present
- CORERO PLC 2007-02-27 → 2011-06-29
- MONDAS PLC 1991-11-14 → 2007-02-27
Audit & accounting basis
- Accounting basis
- UK adopted IFRS
- Reporting scope
- Consolidated group
- Auditor
- MHA Audit Services LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“On this basis, the Directors have concluded that it is appropriate to prepare the financial statements on a going concern basis.”
Group structure
- CORERO NETWORK SECURITY PLC · parent
- Corero Network Security, Inc. 100%
- Corero Group Services Limited 100%
- Corero Network Security (UK) Limited 100%
Significant events
- “In October 2025, Corero secured a renewal and significant expansion order with a key customer: a leading US cloud computing provider with a total contract value of $6.8 million.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
9 active · 29 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| ROCKEY, Emma Frances | Secretary | 2024-07-15 | — | — |
| GEORGE, Peter | Director | 2019-01-03 | Mar 1959 | American |
| GOULDEN, Christopher James | Director | 2025-04-01 | Oct 1984 | British |
| HERBERGER, Carl Wayne | Director | 2024-01-01 | Dec 1968 | American |
| LAST, Richard | Director | 2008-05-22 | Jul 1957 | British |
| MILLER, Andrew Douglas | Director | 2010-08-06 | Mar 1964 | British |
| MONTANANA, Jens Peter | Director | 2010-08-06 | Dec 1960 | British |
| NICHOLLS, Jeremy Mark | Director | 2026-01-30 | Jan 1968 | British |
| SCOTT, Robert Harold | Director | 2024-04-17 | Mar 1955 | American,British |
Show 29 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| JOHNSON, Sally Anne | Secretary | 1996-07-19 | 2004-12-06 |
| RICHARDS, Phillip | Secretary | 2023-09-30 | 2024-07-12 |
| SELBY, Ian Robert | Secretary | 2004-12-06 | 2007-10-31 |
| SIMON, Geraldine | Secretary | 1991-11-14 | 1996-07-19 |
| SWALLOW, Duncan | Secretary | 2007-11-01 | 2023-09-30 |
| CORPORATE NOMINEE SECRETARIES LIMITED | Corporate Nominee Secretary | 1991-11-14 | 1991-11-14 |
| BARNES, Kenneth Roy | Director | 1996-10-16 | 2000-10-31 |
| CHMILEWSKY, Lionel | Director | 2020-04-24 | 2023-02-28 |
| CROOK, Matthew | Director | 1999-09-14 | 2000-10-31 |
| FAIRMAN, Bernard William | Director | 2000-10-31 | 2008-05-22 |
| FULWOOD, Edward | Director | 2011-06-29 | 2012-03-19 |
| GRAHAM, Stephen | Director | 2012-03-19 | 2012-06-30 |
| LLOYD, Andrew Trevor | Director | 2012-11-19 | 2019-01-04 |
| LORD, Stephen William | Director | 1998-11-18 | 2000-03-17 |
| MARIENTHAL, Tony | Director | 1998-11-18 | 1999-11-08 |
| MCGEE, Jarlath | Director | 2004-08-04 | 2007-07-26 |
| MITCHELL, Roy Walter | Director | 2008-01-01 | 2010-01-26 |
| PETERS, Colin Leslie | Director | 2000-10-31 | 2008-01-01 |
| PRITCHARD, Neil Bartley | Director | 2022-04-14 | 2022-09-30 |
| RICHARDS, Phillip | Director | 2023-09-21 | 2024-07-12 |
| ROBERTSON, Mark | Director | 2007-07-25 | 2010-08-06 |
| SELBY, Ian Robert | Director | 1999-01-01 | 2007-10-31 |
| SIMON, David Timothy Andrew | Director | 1991-11-14 | 2004-08-05 |
| SIMON, Geraldine | Director | 1991-11-14 | 1996-07-19 |
| SNOWE, Bernard Patrick | Director | 2007-07-26 | 2011-06-30 |
| STEPHENSON, Robert Ashley | Director | 2013-09-06 | 2025-09-30 |
| WALLER, Peter Charles | Director | 2006-01-24 | 2011-02-04 |
| WHITEHOUSE, David Benton | Director | 1996-07-19 | 1998-12-31 |
| CORPORATE NOMINEE SERVICES LIMITED | Corporate Nominee Director | 1991-11-14 | 1991-11-14 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Mr Jens Peter Montanana | Individual | Shares 25–50% | 2016-04-06 | Active |
Filing timeline
Last 20 of 273 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-06-24 | AA | accounts | Accounts with accounts type group | |
| 2026-03-18 | AP01 | officers | Appoint person director company with name date | |
| 2026-01-31 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-11-19 | AD02 | address | Change sail address company with old address new address | |
| 2025-10-16 | TM01 | officers | Termination director company with name termination date | |
| 2025-10-03 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date | |
| 2025-06-30 | AA | accounts | Accounts with accounts type group | |
| 2025-04-29 | AP01 | officers | Appoint person director company with name date | |
| 2024-12-05 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-10-21 | SH01 | capital | Capital allotment shares | |
| 2024-09-13 | SH01 | capital | Capital allotment shares | |
| 2024-09-13 | SH01 | capital | Capital allotment shares | |
| 2024-07-23 | TM01 | officers | Termination director company with name termination date | |
| 2024-07-23 | AP03 | officers | Appoint person secretary company with name date | |
| 2024-07-23 | TM02 | officers | Termination secretary company with name termination date | |
| 2024-06-20 | AA | accounts | Accounts with accounts type group | |
| 2024-05-30 | SH01 | capital | Capital allotment shares | |
| 2024-05-30 | AP01 | officers | Appoint person director company with name date | |
| 2024-03-13 | MR04 | mortgage | Mortgage satisfy charge full | |
| 2024-03-13 | MR04 | mortgage | Mortgage satisfy charge full |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 6
- Capital events
- 3
- 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.