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- Pro Shield Drainage Ltd
Company profile · Civil engineering
Pro Shield Drainage Ltd
Pro Shield Drainage Ltd is a newly incorporated private limited company registered in London, company number 17445836, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 8 June 2028, and its first CT600 is due at HMRC on 7 September 2028.
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.
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Where Pro Shield Drainage Ltd is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 7LT on a map.
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Shared registered office
135 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 Pro Shield Drainage 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 8 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 9 Jun 2028 to 8 Jul 2028 | £150 |
| 1 to 3 months late | 9 Jul 2028 to 8 Sep 2028 | £375 |
| 3 to 6 months late | 9 Sep 2028 to 8 Dec 2028 | £750 |
| More than 6 months late | From 9 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2029 | 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
- 17445836
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 September 2026
- Registered office
- 85 Great Portland Street, London, W1W 7LT
- Nature of business
- Construction of water projects (SIC 42910)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in London
Other active civil engineering contractors registered in London.
- Pro to Properties UK Ltd2025
- Pro-Struct Engineering Ltd2020
- Procet Ltd2019
- Proffetional Finishing Design UK Ltd2021
- Progressive Power Solutions Ltd2023
- Project Management Scheduling Services Ltd2023
- Project on Track Limited2024
- Project121 Ltd2020
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Pro Shield Drainage Ltd's accounts due?
Pro Shield Drainage Ltd's next accounts are due at Companies House by 8 June 2028 (in 605 days), covering the period to 30 September 2027.
When is Pro Shield Drainage 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 7 September 2027, due by 7 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Pro Shield Drainage Ltd still trading?
Pro Shield Drainage 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 Pro Shield Drainage Ltd do?
Pro Shield Drainage Ltd is registered under Construction of water projects (SIC 42910).
How old is Pro Shield Drainage Ltd?
Pro Shield Drainage Ltd was incorporated on 8 September 2026, less than a year ago.
What is the penalty if Pro Shield Drainage 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 Pro Shield Drainage 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.