- Companies
- Specialist contractors
- Folkestone
- G R Marine Limited
G R Marine Limited
- Company number
- 10314286
- Incorporated
- 5 Aug 201610 years trading
- Registered office
- Unit 8, Hawkinge Industrial Complex Aerodrome Road, Hawkinge, Folkestone, Kent, CT18 7AG
- Nature of business
- Other specialised construction activities n.e.c.
G R Marine Limited is a 10-year-old private limited company registered in Folkestone, company number 10314286, one of 45 specialist construction companies in Folkestone. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £85 (+33.1%) on the year before, to £342.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £240K against £249K owed within a year: 1.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £342 | £88 | £240K | £249K | 2 |
| 31 Aug 2024 | £257 | £1,149 | £196K | £197K | 2 |
| 31 Aug 2023 | £34K | £75K | £131K | £94K | 2 |
| 31 Aug 2022 | £55K | £119K | £216K | £138K | 2 |
| 31 Aug 2021 | £10K | £100K | £167K | £122K | 2 |
| 31 Aug 2020 | £14K | £33K | £183K | £178K | 2 |
| 31 Aug 2019 | £61K | £81K | £107K | £61K | 2 |
| 31 Aug 2018 | -£4,295 | -£18K | -£631 | £24K | 0 |
| 31 Aug 2017 | £163 | £1,070 | £26K | £28K | 0 |
Where G R Marine Limited is registered
The registered office is in Folkestone (CT18), in the Folkestone and Hythe local authority area, South East. Show CT18 7AG on a map.
Other trade companies in CT18
- Ransley & Sons LimitedCivil engineering
- RW Builders LtdBuilders
- Shepway Property Management LtdFinishing trades
- The Hawkinge Handyman LtdFinishing trades
- JP Plumbing Kent LimitedPlumbers and heating engineers
- Harris Contractors LtdSpecialist contractors
- Zanchi House LtdProperty developers
- Jordan Button Roofing LtdRoofers
What happens if G R Marine 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 10314286
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 August 2016 (10 years ago)
- Registered office
- Unit 8, Hawkinge Industrial Complex Aerodrome Road, Hawkinge, Folkestone, Kent, CT18 7AG
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 2 August 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Folkestone
Other active specialist construction companies registered in Folkestone.
- Gasco (South East) Limited2012
- Harris Contractors Ltd2026
- Hawkinge Construction Ltd2025
- Howard's Paving & Surfacing Specialists Ltd2022
- J Gould Limited2015
- JSM Renovations Ltd2023
- K Hughes Ltd2026
- Kelform Limited2015
All specialist construction companies in Folkestone · All trades in Folkestone · Specialist contractors across the UK
Frequently asked questions
When are G R Marine Limited's accounts due?
G R Marine Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is G R Marine Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is G R Marine Limited still trading?
G R Marine 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 G R Marine Limited do?
G R Marine Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is G R Marine Limited?
G R Marine Limited was incorporated on 5 August 2016, 10 years ago.
What is the penalty if G R Marine 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 G R Marine 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.