- Companies
- Electricians
- Stevenage
- Firemaster Alarms Limited
Firemaster Alarms Limited
- Company number
- 03764464
- Incorporated
- 4 May 199927 years trading
- Registered office
- Ground Floor, Building 16, Gateway 1000 Whittle Way, Arlington Business Park, Stevenage, Hertfordshire, SG1 2FP
- Nature of business
- Electrical installation
Firemaster Alarms Limited is a 27-year-old private limited company registered in Stevenage, company number 03764464, one of 115 electrical contractors in Stevenage. 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 up £2,544 (+28.1%) on the year before, to -£6,506.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £59K against £66K owed within a year: 0.9 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | -£6,506 | £250 | £59K | £66K | 0 |
| 31 Aug 2024 | -£9,050 | £176 | £61K | £64K | 0 |
| 31 Aug 2023 | -£9,050 | £14K | £75K | £66K | 0 |
| 31 Aug 2022 | -£9,557 | £58K | £199K | £180K | 5 |
| 31 Aug 2021 | -£34K | £34K | £249K | £247K | 8 |
| 31 Aug 2020 | -£35K | £25K | £385K | £424K | 9 |
| 31 Mar 2019 | -£43K | £46K | £346K | £407K | 10 |
| 31 Mar 2018 | £48K | £31K | £545K | £514K | 12 |
| 31 Mar 2017 | £29K | £71K | £525K | £515K | 13 |
| 31 Mar 2016 | £171K | £202K | £659K | £511K |
Who runs and owns Firemaster Alarms Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| J*** C*** | Director | Jun 2020 |
| R*** L*** | Director | Jun 2020 |
13 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| J*** C*** | Secretary | May 2001 | Apr 2005 |
| H*** D*** | Secretary | Sep 1999 | Apr 2001 |
| R*** H*** | Secretary | Nov 2005 | Jul 2020 |
| R*** T*** | Secretary | May 1999 | Sep 1999 |
| Nominee Secretaries Ltd | Corporate Nominee Secretary | May 1999 | May 1999 |
| C*** C*** | Director | Apr 2003 | Oct 2009 |
| R*** G*** | Director | May 1999 | Jun 1999 |
| T*** H*** | Director | Jun 2020 | Mar 2026 |
| N*** S*** | Director | Aug 2006 | Jun 2020 |
| N*** S*** | Director | May 1999 | May 1999 |
| T*** S*** | Director | Jul 1999 | Jul 1999 |
| T*** S*** | Director | May 1999 | Jun 2020 |
| Nominee Directors Ltd | Nominee director (company) | May 1999 | May 1999 |
Person with significant control
Where Firemaster Alarms Limited is registered
The registered office is in Stevenage (SG1), in the Stevenage local authority area, East of England. Show SG1 2FP on a map.
Other trade companies in SG1
- Masterplumbing&Heating LtdPlumbers and heating engineers
- Ohiggins Property Solutions LtdProperty developers
- Bird Detailing LtdCleaning companies
- Tedted Engineering LtdMechanics and garages
- DSS Facilities LtdFacilities management
- Macala Engineering LimitedSpecialist contractors
- Regency Detailing LtdMechanics and garages
- Ashtons Property Group LtdProperty developers
What happens if Firemaster Alarms 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
- 03764464
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 May 1999 (27 years ago)
- Registered office
- Ground Floor, Building 16, Gateway 1000 Whittle Way, Arlington Business Park, Stevenage, Hertfordshire, SG1 2FP
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 4 May 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Stevenage
Other active electrical contractors registered in Stevenage.
- Florin Electrical Ltd2017
- G Douglas Electrical Ltd2021
- G Jones Electrical Services Ltd2022
- GNB Electrical Services Limited2025
- Hadley Av Limited2019
- Hertfordshire Driveways Limited2004
- Herts Sparks Ltd2025
- Hops Solutions Ltd2014
All electrical contractors in Stevenage · All trades in Stevenage · Electricians across the UK
Frequently asked questions
When are Firemaster Alarms Limited's accounts due?
Firemaster Alarms Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Firemaster Alarms 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 Firemaster Alarms Limited still trading?
Firemaster Alarms 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 Firemaster Alarms Limited do?
Firemaster Alarms Limited is registered under Electrical installation (SIC 43210).
How old is Firemaster Alarms Limited?
Firemaster Alarms Limited was incorporated on 4 May 1999, 27 years ago.
Who runs Firemaster Alarms Limited?
Firemaster Alarms Limited has 2 active directors, the longest-serving appointed in Jun 2020. Their names and service addresses are on the Companies House register.
Who owns Firemaster Alarms Limited?
One person or company has significant control of Firemaster Alarms Limited: Cornerstone Security Group(UK) Ltd (owns 75% or more of the shares).
What is the penalty if Firemaster Alarms 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 Firemaster Alarms 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.