- Companies
- Civil engineering
- London
- Pertussati Site Services Ltd
Pertussati Site Services Ltd
- Company number
- 17341558
- Incorporated
- 15 Jul 2026
- Registered office
- 27 Veronica Gardens, London, SW16 5JR
- Nature of business
- Construction of water projects
Pertussati Site Services Ltd is a newly incorporated private limited company registered in London, company number 17341558, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 15 April 2028, and its first CT600 is due at HMRC on 14 July 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 Pertussati Site Services Ltd is registered
The registered office is in London (SW16), in the Merton local authority area, London. Show SW16 5JR on a map.
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What happens if Pertussati Site Services 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 15 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 16 Apr 2028 to 15 May 2028 | £150 |
| 1 to 3 months late | 16 May 2028 to 15 Jul 2028 | £375 |
| 3 to 6 months late | 16 Jul 2028 to 15 Oct 2028 | £750 |
| More than 6 months late | From 16 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17341558
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 July 2026
- Registered office
- 27 Veronica Gardens, London, SW16 5JR
- Nature of business
- Construction of water projects (SIC 42910)
- Year end
- 31 July (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.
- Peter Hopkins Engineering Limited1998
- Peyara Ltd2025
- Pflrail Ltd2025
- Philemon Turner Limited2007
- Phino Support Services Ltd2018
- Phoenix Formwork (Contractors) Limited1971
- Picasso Design Group Limited2022
- Piccadilly Global Investment UK Limited2018
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Pertussati Site Services Ltd's accounts due?
Pertussati Site Services Ltd's next accounts are due at Companies House by 15 April 2028 (in 550 days), covering the period to 31 July 2027.
When is Pertussati Site Services 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 14 July 2027, due by 14 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Pertussati Site Services Ltd still trading?
Pertussati Site Services 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 Pertussati Site Services Ltd do?
Pertussati Site Services Ltd is registered under Construction of water projects (SIC 42910).
How old is Pertussati Site Services Ltd?
Pertussati Site Services Ltd was incorporated on 15 July 2026, less than a year ago.
What is the penalty if Pertussati Site Services 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 Pertussati Site Services 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.