- Companies
- Specialist contractors
- Cardiff
- Fox Fire Systems Limited
Fox Fire Systems Limited
- Company number
- 14306425
- Incorporated
- 19 Aug 20224 years trading
- Registered office
- 42 Brundall Crescent, Cardiff, CF5 4RU
- Nature of business
- Other specialised construction activities n.e.c.
Fox Fire Systems Limited is a 4-year-old private limited company registered in Cardiff, company number 14306425, one of 173 specialist construction companies in Cardiff. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the 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 Fox Fire Systems LimitedOr 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.
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 £15K (+673%) on the year before, to £18K.
- Current assets of £30K against £13K owed within a year: 2.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Mar 2025 | £18K | £30K | £13K | 1 | |
| 31 Mar 2024 | £2,266 | £9,710 | £7,444 | 1 | |
| 31 Mar 2023 | £6,393 | £13K | £6,867 | 1 |
Where Fox Fire Systems Limited is registered
The registered office is in Cardiff (CF5), in the Cardiff local authority area, Wales. Show CF5 4RU on a map.
Other trade companies in CF5
- Art Electrical Solutions LimitedElectricians
- Chapman Construction Cardiff LtdBuilders
- MN Projects Co. LtdBuilders
- Bridge Deck Solutions LtdCivil engineering
- Gilps Construction LtdPainters and decorators
- CF Window Cleaning LtdCleaning companies
- RK Fire and Electrical LtdElectricians
- BDL Cleaning LtdCleaning companies
What happens if Fox Fire Systems 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 30 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Mar 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Mar 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
- 14306425
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 August 2022 (4 years ago)
- Registered office
- 42 Brundall Crescent, Cardiff, CF5 4RU
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 March 2025
- Last confirmation statement
- 18 August 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Cardiff
Other active specialist construction companies registered in Cardiff.
- Galaxy Shopfitting Limited2000
- GDW Installations Limited2012
- Gentles Construction Limited2009
- Globe Panels Ltd2014
- GPG Cardiff Limited2017
- Ground Force Driveways & Landscaping Ltd2025
- GSM Mechanical Tech Ltd2022
- GW Groundworks (North East) Ltd2023
All specialist construction companies in Cardiff · All trades in Cardiff · Specialist contractors across the UK
Frequently asked questions
When are Fox Fire Systems Limited's accounts due?
Fox Fire Systems Limited's next accounts are due at Companies House by 30 December 2026 (in 78 days), covering the period to 30 March 2026.
When is Fox Fire Systems Limited's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is Fox Fire Systems Limited still trading?
Fox Fire Systems 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 Fox Fire Systems Limited do?
Fox Fire Systems Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Fox Fire Systems Limited?
Fox Fire Systems Limited was incorporated on 19 August 2022, 4 years ago.
What is the penalty if Fox Fire Systems 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 Fox Fire Systems 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.