- Companies
- Machinery repair and installation
- Heathfield
- RB Marine Ltd
RB Marine Ltd
- Company number
- 12764815
- Incorporated
- 23 Jul 20206 years trading
- Registered office
- 8 High Street, Heathfield, East Sussex, TN21 8LS
- Nature of business
- Repair and maintenance of ships and boats
RB Marine Ltd is a 6-year-old private limited company registered in Heathfield, company number 12764815, one of 10 machinery repair and installation companies in Heathfield. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 March 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 £340 (-61.6%) on the year before, to £212.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £46K against £44K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Mar 2025 | £212 | £12K | £46K | £44K | 1 |
| 30 Mar 2024 | £552 | £4,466 | £34K | £33K | 1 |
| 30 Mar 2023 | £442 | £9,429 | £18K | £18K | 1 |
| 31 Mar 2022 | £5,458 | £8,064 | £13K | £7,641 | 1 |
| 31 Mar 2021 | £1 | £1 |
Where RB Marine Ltd is registered
The registered office is in Heathfield (TN21), in the Wealden local authority area, South East. Show TN21 8LS on a map.
Other trade companies in TN21
- Rob Smith Groundworks LtdLandscapers and gardeners
- Rouse Roofing LimitedRoofers
- Sparkify Electrical LimitedElectricians
- Sussex Aircon Solutions LimitedPlumbers and heating engineers
- O So Clean Window & Carpet Cleaning LtdCleaning companies
- Seriouslee Clean LimitedCleaning companies
- Thorndale Cleaning Solutions LtdCleaning companies
- Floorless Sussex LtdFloor and wall tilers
Shared registered office
47 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if RB Marine 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 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 | 31 Mar 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 | 30 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
- 12764815
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 July 2020 (6 years ago)
- Registered office
- 8 High Street, Heathfield, East Sussex, TN21 8LS
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
- Year end
- 30 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 March 2025
- Last confirmation statement
- 22 July 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 Heathfield
Other active machinery repair and installation companies registered in Heathfield.
- Sharpedge Tooling Limited2021
- Warm & Toastie (UK) Ltd2012
- Bell Catering Solutions Ltd2025
- DJC Rail Services Ltd2023
- HJM Air Conditioning Ltd2024
- K & M Equipment Ltd2006
- KJM Caravan Damp Repairs Ltd2023
- Ltraffic Limited2013
All machinery repair and installation companies in Heathfield · All trades in Heathfield · Machinery repair and installation across the UK
Frequently asked questions
When are RB Marine Ltd's accounts due?
RB Marine Ltd's next accounts are due at Companies House by 30 December 2026 (in 78 days), covering the period to 30 March 2026.
When is RB Marine Ltd's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is RB Marine Ltd still trading?
RB Marine 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 RB Marine Ltd do?
RB Marine Ltd is registered under Repair and maintenance of ships and boats (SIC 33150).
How old is RB Marine Ltd?
RB Marine Ltd was incorporated on 23 July 2020, 6 years ago.
What is the penalty if RB Marine 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 RB Marine 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.