- Companies
- Machinery repair and installation
- London
- Carbon Composites Ltd
Carbon Composites Ltd
- Company number
- 16907711
- Incorporated
- 12 Dec 2025
- Registered office
- 167-169 Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- Repair and maintenance of ships and boats
Carbon Composites Ltd is a newly incorporated private limited company registered in London, company number 16907711, one of 1,743 machinery repair and installation companies in London. Its next accounts are due at Companies House on 12 September 2027, and its first CT600 is due at HMRC on 11 December 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Carbon Composites LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where Carbon Composites Ltd is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 5PF on a map.
Other trade companies in W1W
- Civaris LtdSpecialist contractors
- R&R Construction Group LtdBuilders
- Aurum Cooling LtdPlumbers and heating engineers
- Steam Wood Stone LtdFinishing trades
- Hau Developments LimitedProperty developers
- Group Atlas Financial 83 LtdPainters and decorators
- Energy Reward LtdMotor traders
- Holly’S Housekeeping LtdCleaning companies
Shared registered office
97 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 Carbon Composites 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 12 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 13 Sep 2027 to 12 Oct 2027 | £150 |
| 1 to 3 months late | 13 Oct 2027 to 12 Dec 2027 | £375 |
| 3 to 6 months late | 13 Dec 2027 to 12 Mar 2028 | £750 |
| More than 6 months late | From 13 Mar 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
- 16907711
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 December 2025
- Registered office
- 167-169 Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
- Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
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 London
Other active machinery repair and installation companies registered in London.
- Carrera Corporation Limited1998
- Carter Marine Services Ltd2026
- Caterglobe Limited2013
- Catering Installation & Service Ltd2023
- Cavalry Property Maintenance Ltd2017
- CB Lift Limited2016
- Cce London Contracts and Installations Ltd2026
- Cda Engineering Ltd2026
All machinery repair and installation companies in London · All trades in London · Machinery repair and installation across the UK
Frequently asked questions
When are Carbon Composites Ltd's accounts due?
Carbon Composites Ltd's next accounts are due at Companies House by 12 September 2027 (in 334 days), covering the period to 31 December 2026.
When is Carbon Composites Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 11 December 2026, due by 11 December 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Carbon Composites Ltd still trading?
Carbon Composites 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 Carbon Composites Ltd do?
Carbon Composites Ltd is registered under Repair and maintenance of ships and boats (SIC 33150).
How old is Carbon Composites Ltd?
Carbon Composites Ltd was incorporated on 12 December 2025, less than a year ago.
What is the penalty if Carbon Composites 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 Carbon Composites 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.