- Companies
- Machinery repair and installation
- Staines-upon-Thames
- Douglas Marina Limited
Douglas Marina Limited
- Company number
- 12285521
- Incorporated
- 28 Oct 20196 years trading
- Registered office
- Menzies LLP 2ND Floor, Magna House, 18-32 London Road, Staines-upon-Thames, TW18 4BP
- Nature of business
- Repair and maintenance of ships and boats; Operation of warehousing and storage facilities for water transport activities
Douglas Marina Limited is a 6-year-old private limited company registered in Staines-upon-Thames, company number 12285521, one of 9 machinery repair and installation companies in Staines-upon-Thames. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 up £5,008 on the year before, to £5,498.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £50K against £280K owed within a year: 0.2 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £5,498 | £50K | £280K | 2 | |
| 31 Oct 2024 | £490 | £37K | £277K | 2 | |
| 31 Oct 2023 | -£2,217 | £30K | £277K | 2 | |
| 31 Oct 2022 | -£4,374 | £22K | £277K | 2 | |
| 31 Oct 2021 | £142 | £18K | £18K | £273K | 2 |
| 31 Oct 2020 | 2 |
Where Douglas Marina Limited is registered
The registered office is in Staines-upon-Thames (TW18), in the Spelthorne local authority area, South East. Show TW18 4BP on a map.
Other trade companies in TW18
- Cleenspace LtdCleaning companies
- Querceto Property LtdProperty developers
- Deep Property Group LtdProperty developers
- Icm Power LtdMachinery repair and installation
- Staines Scooter LtdMotor traders
- JBS All-Trades LtdPlumbers and heating engineers
- Almisor Solar LtdBuilders
- Greenzone Cooling LtdPlumbers and heating engineers
Also registered at this address
15 other companies use the same registered office as Douglas Marina Limited.
- Cibi Investments LimitedProperty developers
- Delamere Property Group LimitedProperty developers
- Doyma UK LimitedElectricians
- E.D.S. Holdings LimitedProperty developers
- Etch Design LimitedBuilders
- F L Beadle & Sons LimitedCivil engineering
- Imperial Integrated Systems LimitedInstallers
- JSNC LimitedBuilders
- Kinsella Brothers Developments LimitedProperty developers
- Mid-Tech Engineering Projects LtdPlumbers and heating engineers
- Mid-Tech Services LimitedElectricians
- Nad Insulations LimitedPlumbers and heating engineers
- Skill Team Central LimitedElectricians
- Syscom Building Management LtdGroundworks and demolition
- TPJ Construction LtdBuilders
What happens if Douglas Marina Limited 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 12285521
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 October 2019 (6 years ago)
- Registered office
- Menzies LLP 2ND Floor, Magna House, 18-32 London Road, Staines-upon-Thames, TW18 4BP
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
Operation of warehousing and storage facilities for water transport activities (SIC 52101) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 27 October 2025
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Staines-upon-Thames
Other active machinery repair and installation companies registered in Staines-upon-Thames.
- Electricians West London Ltd2012
- G Bird Electrical Limited2021
- Icm Power Ltd2026
- R & M Electrical Limited2003
- RS Broadcast Installations Limited2013
- Smart Aero Support Limited2019
- SR Gas & Electricity LTDG Ltd2016
- Surreysteelworks Ltd2022
All machinery repair and installation companies in Staines-upon-Thames · All trades in Staines-upon-Thames · Machinery repair and installation across the UK
Frequently asked questions
When are Douglas Marina Limited's accounts due?
Douglas Marina Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Douglas Marina Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Douglas Marina Limited still trading?
Douglas Marina Limited 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 Douglas Marina Limited do?
Douglas Marina Limited is registered under Repair and maintenance of ships and boats (SIC 33150); Operation of warehousing and storage facilities for water transport activities (SIC 52101).
How old is Douglas Marina Limited?
Douglas Marina Limited was incorporated on 28 October 2019, 6 years ago.
What is the penalty if Douglas Marina Limited 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 Douglas Marina Limited 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.