- Companies
- Civil engineering
- Offshore Geotechnics Ltd
Offshore Geotechnics Ltd
- Company number
- 06730555
- Incorporated
- 22 Oct 200817 years trading
- Registered office
- 126 West Cross Lane, West Cross, Swansea, SA3 5NG
- Nature of business
- Construction of other civil engineering projects n.e.c.
Offshore Geotechnics Ltd is a 17-year-old private limited company registered in West Cross, company number 06730555, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £33K (-8.2%) on the year before, to £369K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £671K against £304K owed within a year: 2.2 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £369K | £671K | £304K | 1 | |
| 31 Dec 2024 | £402K | £707K | £307K | 0 | |
| 31 Dec 2023 | £289K | £618K | £329K | 0 | |
| 31 Dec 2022 | £215K | £594K | £380K | 0 | |
| 31 Dec 2021 | £107K | £513K | £407K | 0 | |
| 31 Dec 2020 | £51K | £513K | £462K | 0 | |
| 31 Jan 2020 | £1,315 | £505K | £506K | 1 | |
| 31 Jan 2019 | £745 | £420K | £419K | ||
| 31 Jan 2018 | £513 | £360K | £361K | ||
| 31 Jan 2017 | -£587 | £321K | £322K |
Who runs and owns Offshore Geotechnics Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| N*** T*** | Director | Oct 2008 |
| J*** D*** | Director | Feb 2010 |
Person with significant control
Where Offshore Geotechnics Ltd is registered
The registered office is in West Cross (SA3), in the Swansea local authority area, Wales. Show SA3 5NG on a map.
Other trade companies in SA3
- Laxlets LtdProperty developers
- Soulterra LtdProperty developers
- JCR Co1 LtdBuilders
- Gower Refrigeration and Air Conditioning LtdPlumbers and heating engineers
- JH Energy Engineering LtdProperty developers
- GHL CC LtdFloor and wall tilers
- Greenwarm CyfSpecialist contractors
- Jam Co1 LtdProperty developers
Also registered at this address
1 other company uses the same registered office as Offshore Geotechnics Ltd.
- Os1 LimitedCleaning companies
What happens if Offshore Geotechnics Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 06730555
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 October 2008 (17 years ago)
- Registered office
- 126 West Cross Lane, West Cross, Swansea, SA3 5NG
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 22 October 2025
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies
Other active civil engineering contractors.
Frequently asked questions
When are Offshore Geotechnics Ltd's accounts due?
Offshore Geotechnics Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Offshore Geotechnics Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Offshore Geotechnics Ltd still trading?
Offshore Geotechnics Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Offshore Geotechnics Ltd do?
Offshore Geotechnics Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Offshore Geotechnics Ltd?
Offshore Geotechnics Ltd was incorporated on 22 October 2008, 17 years ago.
Who runs Offshore Geotechnics Ltd?
Offshore Geotechnics Ltd has 2 active directors, the longest-serving appointed in Oct 2008. Their names and service addresses are on the Companies House register.
Who owns Offshore Geotechnics Ltd?
One person or company has significant control of Offshore Geotechnics Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Offshore Geotechnics Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Offshore Geotechnics Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.