- Companies
- Civil engineering
- London
- Marine Shipbuilding Company UK Ltd
Marine Shipbuilding Company UK Ltd
- Company number
- 09306186
- Incorporated
- 11 Nov 201411 years trading
- Registered office
- 239 Kensington High Street, London, W8 6SN
- Nature of business
- Construction of other civil engineering projects n.e.c.
Marine Shipbuilding Company UK Ltd is a 11-year-old private limited company registered in London, company number 09306186, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £434K (-82.3%) on the year before, to £94K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £2M against £1.9M owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £94K | £47K | £2M | £1.9M | 1 |
| 30 Nov 2024 | £528K | £9,057 | £2.1M | £1.6M | 1 |
| 30 Nov 2023 | £50K | £20K | £1.5M | £1M | 4 |
| 30 Nov 2022 | £39K | £4,393 | £1.3M | £864K | 4 |
| 30 Nov 2021 | £28K | £20K | £1.2M | £878K | 3 |
| 30 Nov 2020 | £14K | £24K | £318K | £58K | 3 |
| 30 Nov 2019 | £29K | £23K | £757K | £496K | 0 |
| 30 Nov 2018 | £17K | £2,812 | £650K | £405K | 0 |
| 30 Nov 2017 | £254K | £1,439 | £252K | £6,241 | 0 |
| 30 Nov 2016 | £253K | £1,428 | £248K | £4,451 |
Where Marine Shipbuilding Company UK Ltd is registered
The registered office is in London (W8), in the Kensington and Chelsea local authority area, London. Show W8 6SN on a map.
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- Cre HP 70 LtdBuilders
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- Arxionis LtdProperty developers
- Crimson Re Developments LtdBuilders
- Heaven Builders LimitedProperty developers
Also registered at this address
3 other companies use the same registered office as Marine Shipbuilding Company UK Ltd.
- Leader Development LimitedBuilders
- Portstream LimitedProperty developers
- Serviceshift LtdCleaning companies
What happens if Marine Shipbuilding Company UK 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 09306186
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 November 2014 (11 years ago)
- Registered office
- 239 Kensington High Street, London, W8 6SN
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 11 November 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 in London
Other active civil engineering contractors registered in London.
- Mark Badu Limited2015
- Mark Bowen Construction Limited2012
- Martin Redston Associates Limited2016
- Martin Structural Engineers Limited2025
- Martindale Marine Consultants Ltd2025
- Martins Digging World Limited2025
- Martyn Ltd.2015
- Maruti Builders Ltd2012
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Marine Shipbuilding Company UK Ltd's accounts due?
Marine Shipbuilding Company UK Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Marine Shipbuilding Company UK Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Marine Shipbuilding Company UK Ltd still trading?
Marine Shipbuilding Company UK 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 Marine Shipbuilding Company UK Ltd do?
Marine Shipbuilding Company UK Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Marine Shipbuilding Company UK Ltd?
Marine Shipbuilding Company UK Ltd was incorporated on 11 November 2014, 11 years ago.
What is the penalty if Marine Shipbuilding Company UK 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 Marine Shipbuilding Company UK 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.