- Company number
- 15231195
- Incorporated
- 24 Oct 20232 years trading
- Registered office
- 285 Bury Street West, London, N9 9JN
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Private security activities
Safet Si Limited is a 2-year-old private limited company registered in London, company number 15231195, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 up £1,017 on the year before, to £1,117.
- Current assets of £117 against £300 owed within a year: 0.4 times cover.
- 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 |
|---|---|---|---|---|---|
| 31 Oct 2025 | £1,117 | £117 | £300 | 2 | |
| 31 Oct 2024 | £100 | £100 | 2 |
Where Safet Si Limited is registered
The registered office is in London (N9), in the Enfield local authority area, London. Show N9 9JN on a map.
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What happens if Safet Si 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 15231195
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 October 2023 (2 years ago)
- Registered office
- 285 Bury Street West, London, N9 9JN
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Private security activities (SIC 80100) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 16 December 2025
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- Sag Constructions Ltd2016
- Saga Design & Build Ltd2014
- Sager Construction Limited1996
- Sahar Construction and Developments Ltd2022
- Sahil1 Ltd2026
- Saho Constructions Ltd2019
- Sahra FJ Ltd2017
- Saiflink Global Ltd2022
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Safet Si Limited's accounts due?
Safet Si Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Safet Si Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Safet Si Limited still trading?
Safet Si 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 Safet Si Limited do?
Safet Si Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Private security activities (SIC 80100).
How old is Safet Si Limited?
Safet Si Limited was incorporated on 24 October 2023, 2 years ago.
What is the penalty if Safet Si 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 Safet Si 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.