Ptmarine Ltd
- Company number
- 10005691
- Incorporated
- 15 Feb 201610 years trading
- Registered office
- 449 Upper Shoreham Road, Shoreham-by-Sea, West Sussex, BN43 5NF
- Nature of business
- Repair and maintenance of ships and boats
Ptmarine Ltd is a 10-year-old private limited company registered in Shoreham-by-Sea, company number 10005691, one of 10 machinery repair and installation companies in Shoreham-by-Sea. 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 up £189 (+0.2%) on the year before, to £81K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £178K against £16K owed within a year: more than 10 times cover.
- 2 employees on average during the year.
- 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 | £81K | £178K | £16K | 2 | |
| 31 Dec 2024 | £81K | £178K | £23K | 2 | |
| 31 Dec 2023 | £81K | £148K | £16K | 2 | |
| 31 Dec 2022 | £75K | £139K | £60K | ||
| 31 Dec 2021 | £60K | £132K | £68K | 2 | |
| 31 Dec 2020 | £61K | £132K | £64K | 2 | |
| 31 Dec 2019 | £45K | £116K | £50K | 2 | |
| 28 Feb 2019 | £51K | £101K | £35K | ||
| 28 Feb 2018 | £57K | £79K | £14K | ||
| 28 Feb 2017 | £29K | £42K | £26K |
Where Ptmarine Ltd is registered
The registered office is in Shoreham-by-Sea (BN43), in the Adur local authority area, South East. Show BN43 5NF on a map.
Other trade companies in BN43
- Bens Roof Cleaners Brighton LtdCleaning companies
- Custodian Consultancy LtdSpecialist contractors
- Ian French Landscaping LtdBuilders
- KC Brickwork Construction LtdSpecialist contractors
- JLP & Ac LtdPlumbers and heating engineers
- Level Up Drylining & Construction LimitedSpecialist contractors
- Optimiz Energy LtdElectricians
- Alex Mobile Mechanics LtdMechanics and garages
What happens if Ptmarine 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
- 10005691
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 February 2016 (10 years ago)
- Registered office
- 449 Upper Shoreham Road, Shoreham-by-Sea, West Sussex, BN43 5NF
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 14 February 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 Shoreham-by-Sea
Other active machinery repair and installation companies registered in Shoreham-by-Sea.
- Shoreline Marine Services (Sussex) Ltd2025
- Sovereign Surgical Services Ltd2026
- Steely Glint Limited2017
- C.A. Sharp Ltd2025
- Commercial Kitchen Engineers Limited2014
- Industrial Crane Services UK Limited2019
- Jet’M Ltd2026
- Mac Aero Limited2025
All machinery repair and installation companies in Shoreham-by-Sea · All trades in Shoreham-by-Sea · Machinery repair and installation across the UK
Frequently asked questions
When are Ptmarine Ltd's accounts due?
Ptmarine 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 Ptmarine 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 Ptmarine Ltd still trading?
Ptmarine 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 Ptmarine Ltd do?
Ptmarine Ltd is registered under Repair and maintenance of ships and boats (SIC 33150).
How old is Ptmarine Ltd?
Ptmarine Ltd was incorporated on 15 February 2016, 10 years ago.
What is the penalty if Ptmarine 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 Ptmarine 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.