GLOBAL MARINE SYSTEMS LIMITED
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Cash
£30m
USD 40,022,000
+110.3% highest in 3 filed years
Net assets
—
Equity attributable
Employees
—
Average over period
Profit before tax
£29m
USD 39,172,000
+51.5% highest in 3 filed years
Watchouts
Facts from the Companies House register and the latest accounts — not a rating
-
Insolvency history on file
Companies House holds prior insolvency events for this company. Detail and outcome on the official register.
Net assets
3-year trend · vs Industrials median
GLOBAL MARINE SYSTEMS LIMITED·Industrials median
GLOBAL MARINE SYSTEMS LIMITED·Industrials median
GLOBAL MARINE SYSTEMS LIMITED·Industrials median
GLOBAL MARINE SYSTEMS LIMITED·Industrials median
GLOBAL MARINE SYSTEMS LIMITED·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 | £141,299,027 | £140,963,069 | £163,848,609 | +16.2% | |
| Operating profit | -£10,797,772 | £16,649,952 | £27,879,035 | +67.4% | |
| Profit before tax | -£9,152,024 | £19,189,748 | £29,070,130 | +51.5% | |
| Net profit | -£9,873,706 | £19,145,177 | £29,031,540 | +51.6% | |
| Cash | £19,071,227 | £14,121,299 | £29,700,928 | +110.3% | |
| Total assets less current liabilities | £84,456,385 | £91,737,504 | £124,585,529 | +35.8% | |
| Net assets | £64,546,596 | £83,925,501 | — | — | |
| Equity | £64,546,596 | £83,925,501 | — | — | |
| Average employees | 459 | 371 | — | — | |
| Wages | £29,286,947 | £26,997,771 | — | — | |
| Directors' remuneration | £1,014,277 | £1,154,887 | — | — | |
| Directors' pension contributions | £43,144 | £27,857 | — | — | |
| Highest paid director | £314,559 | £516,555 | — | — |
Figures converted to GBP from USD at 0.742 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 | -7.6% | 11.8% | 17.0% | |
| Net margin | -7.0% | 13.6% | 17.7% | |
| Return on capital employed | -12.8% | 18.1% | 22.4% | |
| Gearing (liabilities / total assets) | 69.1% | 47.8% | — | |
| Current ratio | 0.87x | 1.11x | 1.87x | |
| Interest cover | -2.67x | 5.45x | — |
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 3 times since incorporation
- GLOBAL MARINE SYSTEMS LIMITED 1999-07-05 → present
- CABLE & WIRELESS MARINE LIMITED 1997-05-29 → 1999-07-05
- CABLE AND WIRELESS (MARINE) LIMITED 1983-09-02 → 1997-05-29
- BEATLYRE LIMITED 1983-03-22 → 1983-09-02
Audit & accounting basis
- Accounting basis
- FRS 102
- Reporting scope
- Standalone (parent only)
- Auditor
- Grant Thornton UK LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
Group structure
- GLOBAL MARINE SYSTEMS LIMITED · parent
- Global Marine Systems (Americas) Inc 100%
- Global Marine Cable Systems Pte Limited 100%
- Vibro-Einspultechnik Duker und Wasserbau Gmbh 100%
- Global Marine Systems (Depots) Limited 100%
- Global Marine Systems (Guernsey) Limited 100%
- Global Marine Systems Pension Trustee Limited 100%
- Global Marine Systems (Bermuda) Limited 100%
- Global Marine Systems (Investments) Limited 100%
- Global Marine Systems (Vessels II) Limited 100%
- Red Sky Subsea Limited 100%
- Global Marine Systems (Vessels) Limited 100%
- Global Marine Search Limited 100%
- Global Marine Systems (Netherlands) BV 100%
- Global Marine Systems Oil & Gas Limited 100%
- GMSL Employee Benefit Trust Limited 100%
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
8 active · 76 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| CABLE, Jaime Violet | Secretary | 2018-02-27 | — | — |
| DESLANDES, Paul Stephen | Director | 2026-01-14 | Nov 1974 | British |
| HIBBERD, David Simon | Director | 2026-07-20 | Nov 1961 | British |
| MAH, Su Hui Sabrina | Director | 2025-07-31 | Nov 1987 | Singaporean |
| PEARCE, Stephen Clarke | Director | 2026-01-14 | May 1971 | British |
| POON, Jonathan Chun Yu | Director | 2025-04-24 | Sep 1988 | Hong Konger |
| TANG, Yuen Yee | Director | 2025-05-07 | Feb 1989 | Malaysian |
| THOMSON, Leanne Maree | Director | 2022-12-01 | Apr 1969 | British |
Show 76 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| CABLE, Jaime Violet | Secretary | 2014-11-11 | 2017-05-02 |
| CLAYDON, Kenneth Keith | Secretary | 1998-04-05 | 1999-07-02 |
| DUNLEAVY, Ann Geraldine | Secretary | 2004-04-20 | 2004-08-20 |
| HARMER, Laurel Susan | Secretary | 2003-07-02 | 2004-04-20 |
| KEECH, Julie Anne | Secretary | 2017-05-02 | 2018-02-27 |
| MCDOWELL, Jacqueline Violet | Secretary | — | 1998-04-05 |
| NEILSON-WATTS, Beverley Ruth | Secretary | 2005-11-25 | 2014-11-11 |
| TODHUNTER, Christopher | Secretary | 1999-07-02 | 2003-07-02 |
| BRIDGE HOUSE SECRETARIES LIMITED | Corporate Secretary | 2004-08-20 | 2005-11-25 |
| ASTLE, Edward Morrison | Director | 1993-02-03 | 1997-03-31 |
| BRIGHTMAN, Anthony Charles | Director | 2005-05-05 | 2006-04-30 |
| BRYAN, Ian Peter | Director | 2018-07-02 | 2019-12-12 |
| BULL, Martin Andrew | Director | — | 1992-12-31 |
| CAMPBELL, Alan | Director | 2004-08-13 | 2008-04-29 |
| CANNON, Michael | Director | 1995-04-03 | 1996-05-23 |
| CARTER JR, William Blanton | Director | 1999-07-02 | 2002-02-12 |
| CHEUNG, William Kam Hung | Director | 1994-11-01 | 1996-03-07 |
| CHIANG, Chang Jopy | Director | 2025-03-04 | 2025-05-07 |
| CLODD-BROOM, Nicola | Director | 2014-12-22 | 2016-03-31 |
| COOK, Lodwrick Monroe | Director | 1999-12-17 | 2002-08-23 |
| CREW, Gregory Leonard | Director | 1993-06-11 | 1995-03-31 |
| DANIEL, Michael John | Director | 2018-07-02 | 2021-09-20 |
| DAWSON JR, Sidney Wallace | Director | 2001-06-15 | 2002-02-12 |
| DONALDSON, William Allan | Director | 2013-04-18 | 2015-04-30 |
| DOUGLAS, Ian David | Director | 2007-01-10 | 2023-03-19 |
| DOWNIE, Michael James | Director | 2000-10-20 | 2002-09-04 |
| DUGAN, Terrance Lee | Director | 2003-12-04 | 2004-04-20 |
| DUGAN, Terrance Lee | Director | 2002-05-02 | 2003-03-10 |
| FAGERSTAL, Dick Helgeson | Director | 2014-09-22 | 2025-03-04 |
| FOOT, David George | Director | 1994-12-16 | 2002-02-12 |
| FORD, Peter Jonathan | Director | 2004-12-21 | 2008-04-29 |
| FRASER-SMITH, Richard | Director | 2015-07-16 | 2019-03-18 |
| GILLESPIE, Mark Alexander | Director | 2021-09-20 | 2022-05-13 |
| GRIEVE, Alistair Reginald | Director | 1996-03-15 | 1999-07-02 |
| GUNN, Gillian Ruth | Director | 2010-11-01 | 2012-12-17 |
| HANENBERG JR., William Joseph | Director | 2020-03-18 | 2025-03-04 |
| HAYSOM, Timothy James | Director | 2002-02-06 | 2004-09-03 |
| HUGHES, David Alan | Director | — | 1999-01-07 |
| JOHANSEN-ALLISON, Nathanael Chester | Director | 2020-03-12 | 2022-11-25 |
| KEOGH, Bernard William | Director | 2004-04-20 | 2004-08-14 |
| LIU, Marc Lei | Director | 2025-03-04 | 2025-07-31 |
| METCALF, Philip Casson | Director | 2012-08-09 | 2014-09-22 |
| METCALF, Philip Casson | Director | 2002-09-04 | 2004-08-14 |
| MOLE, Peter John | Director | 2000-08-09 | 2002-02-06 |
| MOORE, George Herbert | Director | 2005-01-28 | 2006-04-30 |
| NASH, Christopher John | Director | 2002-02-12 | 2003-10-19 |
| NEILSON-WATTS, Bruce James | Director | 2014-12-22 | 2026-01-14 |
| OLSEN, Rodney James | Director | — | 1993-06-11 |
| PEMBERTON, Brian Arthur | Director | — | 1994-10-01 |
| PETTIT, Stephen Raymond | Director | 1997-04-01 | 1999-07-02 |
| PITT, Richard Stanley | Director | — | 1993-03-31 |
| PONTICELLO, Laura | Director | 2002-09-04 | 2003-02-24 |
| PREECE, Mark Alfred | Director | 2018-07-02 | 2018-10-25 |
| RAMSDEN, Rex Michael Joseph | Director | 1995-04-01 | 1999-03-04 |
| RATTNER, David Leonard | Director | 2020-03-18 | 2025-03-04 |
| RICKARDS, David Ernest, Captain | Director | 1992-02-18 | 1996-12-31 |
| RIOS, Jose Antonio | Director | 2002-08-23 | 2004-08-14 |
| RODGERS, Paul Terry | Director | 2004-11-16 | 2007-10-08 |
| RUHAN, Andrew Joseph | Director | 2004-08-13 | 2012-12-11 |
| RUHAN, Gabriel Martin | Director | 2006-11-01 | 2014-05-30 |
| SALERNO, Donald Carl | Director | 2002-02-12 | 2002-05-02 |
| SCHWARTZ, Larry Wayne | Director | 2007-01-10 | 2009-07-21 |
| SCHWARTZ, Larry Wayne | Director | 2004-08-13 | 2005-01-28 |
| SCOTT, Stephen Derrick | Director | 2007-01-10 | 2014-07-04 |
| SHAHA, Mark Roy Charles | Director | 2022-10-10 | 2026-01-14 |
| SHINE, Barry Clive | Director | 1996-08-08 | 2000-04-18 |
| SIMKINS, John Anthony Benjamin | Director | 2005-04-05 | 2006-04-30 |
| SIMKINS, John Anthony Benjamin | Director | 1994-12-16 | 1995-03-17 |
| SKENTELBERY, David Charles | Director | 1997-07-01 | 2000-08-09 |
| STICKLER, Dawna Marie | Director | 2014-07-04 | 2014-09-22 |
| TAY, Sharon Lin Li | Director | 2025-03-04 | 2025-04-24 |
| TAYLOR, John James | Director | 2019-12-12 | 2022-01-31 |
| WAGNER, Daniel James | Director | 2002-02-12 | 2004-08-14 |
| WHITE, Andrew Francis | Director | 2016-02-03 | 2016-11-01 |
| WICKHAM, David Ian | Director | 1996-03-01 | 1999-07-02 |
| WILSON, Peter Rowland | Director | 2008-02-04 | 2010-09-30 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Global Marine Holdings Limited | Corporate entity | Shares 75–100% | 2016-04-06 | Active |
Filing timeline
Last 20 of 517 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-09-14 | AA | accounts | Accounts with accounts type group | |
| 2026-07-20 | AP01 | officers | Appoint person director company with name date | |
| 2026-01-28 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2026-01-23 | AP01 | officers | Appoint person director company with name date | |
| 2026-01-23 | AP01 | officers | Appoint person director company with name date | |
| 2026-01-23 | TM01 | officers | Termination director company with name termination date | |
| 2026-01-23 | TM01 | officers | Termination director company with name termination date | |
| 2025-12-16 | CH01 | officers | Change person director company with change date | |
| 2025-12-15 | CH01 | officers | Change person director company with change date | |
| 2025-12-15 | CH01 | officers | Change person director company with change date | |
| 2025-10-31 | MR04 | mortgage | Mortgage satisfy charge full | |
| 2025-10-31 | MR04 | mortgage | Mortgage satisfy charge full | |
| 2025-10-31 | MR04 | mortgage | Mortgage satisfy charge full | |
| 2025-09-12 | AA | accounts | Accounts with accounts type group | |
| 2025-08-12 | AP01 | officers | Appoint person director company with name date | |
| 2025-08-12 | TM01 | officers | Termination director company with name termination date | |
| 2025-06-17 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date | |
| 2025-06-17 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date | |
| 2025-06-13 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date | |
| 2025-06-13 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 13
- 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.