- Companies
- Machinery repair and installation
- Falmouth
- GDP Marine Inspections Ltd
GDP Marine Inspections Ltd
- Company number
- 15575318
- Incorporated
- 19 Mar 20242 years trading
- Registered office
- 113 Conway Road, Falmouth, Cornwall, TR11 4LJ
- Nature of business
- Repair and maintenance of ships and boats
GDP Marine Inspections Ltd is a 2-year-old private limited company registered in Falmouth, company number 15575318, one of 19 machinery repair and installation companies in Falmouth. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Where GDP Marine Inspections Ltd is registered
The registered office is in Falmouth (TR11), in the Cornwall local authority area, South West. Show TR11 4LJ on a map.
Other trade companies in TR11
- Cornwall Goods Company LtdMotor traders
- Hinchley Plumbing & Heating LtdPlumbers and heating engineers
- Kernow Exports LtdMotor traders
- Melvin Solutions LimitedBuilders
- Granite & Stone Developments LtdProperty developers
- The Holm Oak Company LtdFacilities management
- Castle Bay Construction (SW) LimitedBuilders
- Tubix LtdScaffolders
What happens if GDP Marine Inspections 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 15575318
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 March 2024 (2 years ago)
- Registered office
- 113 Conway Road, Falmouth, Cornwall, TR11 4LJ
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 18 March 2026
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 Falmouth
Other active machinery repair and installation companies registered in Falmouth.
- Gwithva Ltd2018
- Heli Rep Ltd2020
- Intelecsouthwest Ltd2022
- Kernow Service Solutions Limited2025
- M.P.B. Engineering (Falmouth) Limited1999
- Mepsted Marine Ltd2025
- Ocboiler Ltd2022
- Radiant Marine Ltd2021
All machinery repair and installation companies in Falmouth · All trades in Falmouth · Machinery repair and installation across the UK
Frequently asked questions
When are GDP Marine Inspections Ltd's accounts due?
GDP Marine Inspections Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is GDP Marine Inspections Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is GDP Marine Inspections Ltd still trading?
GDP Marine Inspections 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 GDP Marine Inspections Ltd do?
GDP Marine Inspections Ltd is registered under Repair and maintenance of ships and boats (SIC 33150).
How old is GDP Marine Inspections Ltd?
GDP Marine Inspections Ltd was incorporated on 19 March 2024, 2 years ago.
What is the penalty if GDP Marine Inspections 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 GDP Marine Inspections 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.