- Companies
- Installers
- London
- Pyro Defence Limited
Pyro Defence Limited
- Company number
- 12181335
- Incorporated
- 30 Aug 20197 years trading
- Registered office
- C/O Archer Associates Churchill House, 120 Bunns Lane, London, NW7 2AS
- Nature of business
- Other construction installation
Pyro Defence Limited is a 7-year-old private limited company registered in London, company number 12181335, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £2,180 (-51.8%) on the year before, to -£6,386.
- Net assets rose in 0 of 5 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | -£6,386 | £3,007 | £9,393 | 0 | |
| 31 Aug 2024 | -£4,206 | £4,563 | £8,769 | 1 | |
| 31 Aug 2023 | -£3,554 | £4,692 | £8,246 | 1 | |
| 31 Aug 2022 | -£3,115 | £788 | £3,903 | 1 | |
| 31 Aug 2021 | -£2,556 | £914 | £3,470 | 1 | |
| 31 Aug 2020 | -£1,748 | £1,722 | £3,470 | 2 |
Where Pyro Defence Limited is registered
The registered office is in London (NW7), in the Barnet local authority area, London. Show NW7 2AS on a map.
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Shared registered office
47 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 Pyro Defence 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 12181335
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 August 2019 (7 years ago)
- Registered office
- C/O Archer Associates Churchill House, 120 Bunns Lane, London, NW7 2AS
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 29 August 2026
- Previous names
- HQ Fire Limited (until 11 Dec 2024)
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- QHR Construction Ltd2022
- Quadonomy Ltd2022
- Quality Installation Services Ltd2025
- Quay Facilities Limited2012
- Qube Installations Ltd2019
- Quick Traffic Management Ltd2024
- Quintav Limited2026
- QWH Drylining Ltd2019
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Pyro Defence Limited's accounts due?
Pyro Defence Limited's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Pyro Defence Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Pyro Defence Limited still trading?
Pyro Defence 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 Pyro Defence Limited do?
Pyro Defence Limited is registered under Other construction installation (SIC 43290).
How old is Pyro Defence Limited?
Pyro Defence Limited was incorporated on 30 August 2019, 7 years ago.
What is the penalty if Pyro Defence 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 Pyro Defence 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.