- Companies
- Machinery repair and installation
- Blackwater Composites Limited
Blackwater Composites Limited
- Company number
- 14960321
- Incorporated
- 26 Jun 20233 years trading
- Registered office
- 8 Old Forge Court, Colchester Road, Elmstead Market, Essex, CO7 7EA
- Nature of business
- Repair and maintenance of ships and boats
Blackwater Composites Limited is a 3-year-old private limited company registered in Elmstead Market, company number 14960321, one of the UK's machinery repair and installation companies. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £12K on the year before, to -£11K.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | -£11K | £32 | £15K | 2 | |
| 30 Jun 2024 | £489 | £2,438 | £15K | £17K | 2 |
Where Blackwater Composites Limited is registered
The registered office is in Elmstead Market (CO7), in the Tendring local authority area, East of England. Show CO7 7EA on a map.
Other trade companies in CO7
- Apex Tuning LtdMechanics and garages
- MD Proprety Investments LtdProperty developers
- Fine and Classic Cars LimitedMotor traders
- Eco Volt Solutions LimitedElectricians
- Veritas Vale LtdMechanics and garages
- Cube Installations Essex LtdPlumbers and heating engineers
- Cube Installations H&C LtdPlumbers and heating engineers
- Page Arc - Christchurch LimitedMechanics and garages
Also registered at this address
11 other companies use the same registered office as Blackwater Composites Limited.
- Daybar LimitedBuilders
- Don't Take A Fence LimitedSpecialist contractors
- George Graham Joinery LimitedJoiners and carpenters
- Michael Robinson Building LimitedJoiners and carpenters
- Moss Bros Roofing LimitedRoofers
- Oakland Fencing and Landscape Specialists LimitedLandscapers and gardeners
- Premier Property Asset Management LimitedPlumbers and heating engineers
- RCC Brickwork LimitedSpecialist contractors
- Red House Automotive LimitedMotor traders
- RHG Electrical LimitedElectricians
- Wilden Builders & Construction LimitedFinishing trades
What happens if Blackwater Composites 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 14960321
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 June 2023 (3 years ago)
- Registered office
- 8 Old Forge Court, Colchester Road, Elmstead Market, Essex, CO7 7EA
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 25 June 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
Other active machinery repair and installation companies.
Frequently asked questions
When are Blackwater Composites Limited's accounts due?
Blackwater Composites Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Blackwater Composites Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Blackwater Composites Limited still trading?
Blackwater Composites 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 Blackwater Composites Limited do?
Blackwater Composites Limited is registered under Repair and maintenance of ships and boats (SIC 33150).
How old is Blackwater Composites Limited?
Blackwater Composites Limited was incorporated on 26 June 2023, 3 years ago.
What is the penalty if Blackwater Composites 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 Blackwater Composites 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.