Website & contact details
- Group website
- The site of this company’s group or brand.
Siem Oil Service Invest Holdings Limited
- Incorporated
- 21 April 2016 (10 years)
- Industry
- Other business support service activities n.e.c. (82990)
- Directors
- Glenn Pettersen
- Owned by
- Kristian Siem
- Accounts type
- Medium
- Address
- 40 Brighton RoadSuttonSM2 5BN
Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 4 May 2027
- Last conf. stmt
- 20 April 2026
Officers 2 active
Officer details are public data from the Companies House register.
Pettersen, Glenn
Director · Appointed 20 March 2024
Norwegian
Born March 1981 (45)
Norwegian
Born February 1949 (77)
Officer history (7 former)
30 April 2025
30 April 2025
3 February 2025
3 February 2025
20 March 2024
20 March 2024
Appointed Pettersen, Glenn as Director
9 November 2022
9 November 2022
1 August 2019
31 July 2019
18 November 2016
18 November 2016
21 April 2016
21 April 2016
21 April 2016
21 April 2016
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Norwegian
Born February 1949 (77)
Holdings 1
Companies where Siem Oil Service Invest Holdings Limited is registered as a person with significant control
Owns 75–100% of shares
Active
Former controllers (1)
30 April 2025
Ceased Paul Elliott Singer — Owns 75–100% of shares
Financials
Figures from 2024 accounts. Newer accounts, made up to 31 December 2025, are filed but not read yet. See them on Companies House
- Cash
- £5,746
- Profit
- (£62,845)
- Current Ratio
- 48.6x
- Return on Equity
- -0%
Trend
Shareholder Funds
Balance sheet detail
| 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|
| Fixed Assets | £38,456,836 | £38,456,836 | USD 38,456,836 | USD 38,456,836 | USD 38,456,836 | USD 19,220,109 |
| Current Assets | £1,604,208 | £1,644,052 | USD 1,656,295 | USD 1,666,924 | USD 1,677,849 | USD 1,685,218 |
| Debtors | £1,598,462 | £1,640,962 | USD 1,650,962 | USD 1,650,962 | USD 1,480,962 | USD 1,480,962 |
| Cash | £5,746 | £3,090 | USD 5,333 | USD 15,962 | USD 196,887 | USD 204,256 |
| Creditors (< 1 year) | £33,000 | £9,999 | USD 9,999 | USD 9,999 | USD 8,554 | USD 8,249 |
| Net Current Assets | £1,571,208 | £1,634,053 | USD 1,646,296 | USD 1,656,925 | USD 1,669,295 | USD 1,676,969 |
| Shareholder Funds | £40,028,044 | £40,090,889 | USD 40,103,132 | USD 40,113,761 | USD 40,126,131 | USD 20,897,078 |
| Turnover | USD 0 | USD 0 | USD 0 | USD 0 | ||
| Admin Expenses | USD 10,756 | USD 12,370 | USD 8,330 | USD 8,248 | ||
| Operating Profit | (USD 10,756) | (USD 12,370) | (USD 8,330) | (USD 8,248) | ||
| Profit Before Tax | (USD 10,629) | (USD 12,370) | (USD 9,770,947) | (USD 3,223,481) | ||
| Tax | USD 0 | USD 0 | USD 0 | USD 0 | ||
| Profit for Period | (£62,845) | (£12,243) | (USD 10,629) | (USD 12,370) | (USD 9,770,947) | (USD 3,223,481) |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 15 May 2026 | Confirmation statement with updates | 20 April 2026 | ||
| 25 February 2026 | Other filing | |||
| 31 July 2025 | Notification of a person with significant control | |||
| 10 June 2025 | Share capital filing | |||
| 10 June 2025 | Insolvency filing |
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