CYAN SUBSEA UK LTD.
Get an alert when CYAN SUBSEA UK LTD. files next
Leroy will email you the moment a new filing lands at Companies House — one short note per filing, nothing else.
Cash
£1.3M
Latest balance sheet
Net assets
£5.1M
highest in 3 filed years
Employees
67
highest in 3 filed years
Profit before tax
£3.2M
Period ending 2025-12-31
Net assets
3-year trend · vs Energy median
Accounts
3-year trend · Δ = latest vs prior filed period · latest reflected 2025-12-31
| Metric | Trend | 2023-06-30 | 2024-12-31 | 2025-12-31 | Δ vs prior |
|---|---|---|---|---|---|
| Turnover | £8,185,000 | £18,258,000 | £13,901,000 | — | |
| Operating profit | £644,000 | £443,000 | £3,196,000 | — | |
| Profit before tax | £578,000 | £375,000 | £3,164,000 | — | |
| Net profit | £578,000 | £372,000 | £2,823,000 | — | |
| Cash | £494,000 | £2,185,000 | £1,328,000 | — | |
| Total assets less current liabilities | £2,513,000 | £2,559,000 | £5,193,000 | — | |
| Net assets | £1,884,000 | £2,256,000 | £5,079,000 | — | |
| Equity | £1,884,000 | £2,256,000 | £5,079,000 | — | |
| Average employees | 49 | 57 | 67 | — | |
| Wages | — | £4,908,000 | £3,519,000 | — | |
| Directors' remuneration | — | £212,000 | £153,000 | — |
Values shown as filed in the company's annual accounts. — 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 —. Year-on-year comparison hidden: this filing covers about 12 months versus 18 months prior. About these numbers
Ratios
Computed from the line items above — sparklines read oldest → newest
| Ratio | Trend | 2023-06-30 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|
| Operating margin | 7.9% | 2.4% | 23.0% | |
| Net margin | 7.1% | 2.0% | 20.3% | |
| Return on capital employed | 25.6% | 17.3% | 61.5% | |
| Gearing (liabilities / total assets) | 76.4% | 75.4% | — | |
| Current ratio | 1.18x | 1.23x | 1.55x | |
| Interest cover | 9.76x | 6.42x | 91.31x |
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 5 times since incorporation — the current trading name was adopted 2025-05-14
- CYAN SUBSEA UK LTD. 2025-05-14 → present
- MMA OFFSHORE SERVICES LTD 2022-10-26 → 2025-05-14
- NEPTUNE OFFSHORE SERVICES LTD 2010-07-01 → 2022-10-26
- NEPTUNE DEEPTECH LTD 2009-04-17 → 2010-07-01
- ROSS DEEPTECH INITIATIVES LIMITED 1994-06-01 → 2009-04-17
- ROSS DEEPTECH INITIATIVE LTD. 1994-05-12 → 1994-06-01
Audit & accounting basis
- Accounting basis
- FRS 101
- Reporting scope
- Standalone (parent only)
- Auditor
- AAB Audit & Accountancy Limited
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“The Directors have considered the Company's current and future prospects, its availability of financing and are satisfied that the Company can continue to pay its liabilities as they fall due and as such the directors deem the going concern assumption to be appropriate.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
3 active · 16 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| LC SECRETARIES LIMITED | Corporate Secretary | 2008-01-25 | — | — |
| LEE, Keng Lin | Director | 2024-11-22 | Mar 1975 | Singaporean |
| STEPHEN, Kevin Alexander | Director | 2014-05-06 | Feb 1969 | British |
Show 16 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| BEATTIE, Diane Margaret | Secretary | 2006-01-16 | 2008-01-25 |
| CHIAPPINI, Gabriel Mario | Secretary | 2009-05-19 | 2012-04-19 |
| DODDS, John Keith Mathieson | Secretary | 1994-05-12 | 2006-01-16 |
| LOUDEN, John Alexander | Secretary | 2012-04-19 | 2015-03-26 |
| REID, Brian | Nominee Secretary | 1994-05-12 | 1994-05-12 |
| CAVANAGH, David Luke | Director | 2019-11-07 | 2019-11-07 |
| DE LOUB, David Ross | Director | 2010-08-02 | 2011-07-29 |
| EDWARDS, Geoffrey | Director | 2008-01-25 | 2010-08-02 |
| KING, Robin Nigel | Director | 2011-07-29 | 2019-11-07 |
| LANGE, Christian Mark | Director | 2008-01-25 | 2010-11-24 |
| MABBOTT, Stephen | Nominee Director | 1994-05-12 | 1994-05-12 |
| NAPIER, Colin Grant | Director | 2011-07-29 | 2014-01-06 |
| NEWMAN, Geoff | Director | 2010-11-24 | 2011-07-29 |
| ROSS, David Colin | Director | 2019-11-07 | 2024-11-22 |
| ROSS, Robert William Mitchell | Director | 1994-05-12 | 2008-01-25 |
| STEWART, Edward Townsley | Director | 1996-06-07 | 2004-03-03 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Blossomvale Scotland Holdings Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2016-04-06 | Ceased 2019-11-07 |
Filing timeline
Last 20 of 158 total filings
Material constitutional events — rename, articles re-file, resolution
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-06-19 | AA | accounts | Accounts with accounts type full | |
| 2026-06-09 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2026-04-08 | CH01 | officers | Change person director company with change date | |
| 2025-09-26 | AA | accounts | Accounts with accounts type full | |
| 2025-05-14 | CERTNM | change-of-name | Certificate change of name company | |
| 2025-05-13 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-01-06 | AP01 | officers | Appoint person director company with name date | |
| 2024-11-27 | TM01 | officers | Termination director company with name termination date | |
| 2024-08-08 | AA01 | accounts | Change account reference date company current extended | |
| 2024-05-13 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2024-05-08 | CH04 | officers | Change corporate secretary company with change date | |
| 2024-03-07 | AA | accounts | Accounts with accounts type small | |
| 2023-12-14 | CH01 | officers | Change person director company with change date | |
| 2023-05-17 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2023-04-04 | AA | accounts | Accounts with accounts type small | |
| 2022-10-26 | CERTNM | change-of-name | Certificate change of name company | |
| 2022-05-13 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2022-05-13 | CH01 | officers | Change person director company with change date | |
| 2022-03-18 | AA | accounts | Accounts with accounts type full | |
| 2021-07-01 | AA | accounts | Accounts with accounts type full |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 4
- Capital events
- 0
- Officers appointed
- 0
- Officers resigned
- 0
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.