SIEM OIL SERVICE INVEST HOLDINGS LIMITED
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Cash
£3.3m
USD 4,176,121
+12% highest in 5 filed years
Net assets
£34m
USD 42,750,776
+20.3% highest in 5 filed years
Employees
0
Average over period
Profit before tax
£5.3m
USD 6,710,378
+241.8% highest in 5 filed years
Watchouts
Facts from the Companies House register and the latest accounts — not a rating
-
1 PSC ceased in last 24 months
Significant control changed hands — see the Ownership section.
Net assets
5-year trend · vs Industrials median
Accounts
5-year trend · Δ = latest vs prior filed period · latest reflected 2024-12-31
| Metric | Trend | 2019-12-31 | 2020-12-31 | 2021-12-31 | 2023-12-31 | 2024-12-31 | Δ vs prior |
|---|---|---|---|---|---|---|---|
| Turnover | — | — | — | £12,452,175 | £19,105,583 | +53.4% | |
| Operating profit | -£6,278 | -£6,121 | -£9,177 | £1,689,523 | £5,418,823 | +220.7% | |
| Profit before tax | -£2,453,742 | -£7,179,769 | -£9,177 | £1,562,797 | £5,340,957 | +241.8% | |
| Net profit | -£2,453,742 | -£7,179,769 | -£9,177 | £1,557,947 | £5,316,566 | +241.3% | |
| Cash | £155,481 | £144,674 | £11,842 | £2,968,475 | £3,323,879 | +12% | |
| Total assets less current liabilities | £15,907,040 | £29,484,996 | £29,760,191 | £46,886,349 | £34,026,406 | -27.4% | |
| Net assets | — | — | — | £28,295,453 | £34,026,406 | +20.3% | |
| Equity | £15,907,040 | £29,484,996 | £29,760,191 | £28,295,453 | £34,026,406 | +20.3% | |
| Average employees | 0 | 0 | 0 | 0 | 0 | — | |
| Wages | — | — | — | £0 | £0 | — | |
| Directors' remuneration | — | — | — | £0 | £0 | — |
Figures converted to GBP from USD at 0.796 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 | 2019-12-31 | 2020-12-31 | 2021-12-31 | 2023-12-31 | 2024-12-31 |
|---|---|---|---|---|---|---|
| Operating margin | — | — | — | 13.6% | 28.4% | |
| Net margin | — | — | — | 12.5% | 27.8% | |
| Return on capital employed | -0.0% | -0.0% | -0.0% | 3.6% | 15.9% | |
| Gearing (liabilities / total assets) | — | — | — | 41.3% | 27.9% | |
| Current ratio | — | — | — | 5.68x | 0.54x | |
| Interest cover | — | — | — | 4.89x | 16.83x |
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.
Audit & accounting basis
- Accounting basis
- FRS 102
- Reporting scope
- Consolidated group
- Auditor
- Rothmans Audit LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“In auditing the financial statements, we have concluded that the directors' use of the going concern basis of accounting in the preparation of the financial statements is appropriate.”
Group structure
- SIEM OIL SERVICE INVEST HOLDINGS LIMITED · parent
- Siem Oil Service Invest Limited 100%
- Siem Oil Service Invest Norway AS 100%
- Siem Day AS 100%
- Siem Day II AS 100%
- Siem Challenger AS 100%
Significant events
- “On 3 January 2025 the repayment date for the $16,103,730 mortgaged debt was extended for repayment by 12 months from 6 January 2025 to 6 January 2026.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
2 active · 7 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| PETTERSEN, Glenn | Director | 2024-03-20 | Mar 1981 | Norwegian |
| SIEM, Kristian | Director | 2016-04-21 | Feb 1949 | Norwegian |
Show 7 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| ERIKSRUD, Eystein | Director | 2016-04-21 | 2019-07-31 |
| GARRARD, Ian Michael | Director | 2016-04-21 | 2016-11-18 |
| KANEKO, Akira | Director | 2025-02-03 | 2025-04-30 |
| LEVINE, Mark Nathan | Director | 2016-04-21 | 2022-11-09 |
| OMDAL, Bernt | Director | 2019-08-01 | 2024-03-20 |
| RAZMUSS, Aleksis | Director | 2022-11-09 | 2025-02-03 |
| TOSHNIWAL, Gaurav | Director | 2016-11-18 | 2025-04-30 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Mr Kristian Siem | Individual | Shares 75–100% | 2025-04-30 | Active |
| Mr Paul Elliott Singer | Individual | Shares 75–100%, Voting 75–100% | 2016-04-21 | Ceased 2025-04-30 |
Filing timeline
Last 20 of 52 total filings
Material constitutional events — rename, articles re-file, resolution
- 2025-06-10 RESOLUTIONS Resolution
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-02-25 | RP01PSC01 | miscellaneous | Legacy | |
| 2025-07-31 | PSC01 | persons-with-significant-control | Notification of a person with significant control | |
| 2025-06-10 | SH20 | capital | Legacy | |
| 2025-06-10 | SH19 | capital | Capital statement capital company with date currency figure | |
| 2025-06-10 | CAP-SS | insolvency | Legacy | |
| 2025-06-10 | RESOLUTIONS | resolution | Resolution | |
| 2025-05-07 | PSC07 | persons-with-significant-control | Cessation of a person with significant control | |
| 2025-05-07 | TM01 | officers | Termination director company with name termination date | |
| 2025-05-07 | TM01 | officers | Termination director company with name termination date | |
| 2025-04-22 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-04-22 | AA | accounts | Accounts with accounts type group | |
| 2025-03-21 | AP01 | officers | Appoint person director company with name date | |
| 2025-03-21 | TM01 | officers | Termination director company with name termination date | |
| 2025-01-20 | CH01 | officers | Change person director company with change date | |
| 2025-01-14 | PSC04 | persons-with-significant-control | Change to a person with significant control | |
| 2024-05-26 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-05-22 | AA | accounts | Accounts with accounts type group | |
| 2024-03-28 | AP01 | officers | Appoint person director company with name date | |
| 2024-03-28 | TM01 | officers | Termination director company with name termination date | |
| 2023-06-22 | AA | accounts | Accounts with accounts type small |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 1
- Capital events
- 2
- 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.