- Companies
- Electricians
- Seaham
- Zone Fire & Security Ltd
Zone Fire & Security Ltd
- Company number
- 07342581
- Incorporated
- 11 Aug 201016 years trading
- Registered office
- 12 Alder Grove, Roseberry Park, Seaham, Durham, SR7 7RT
- Nature of business
- Electrical installation; Security systems service activities
Zone Fire & Security Ltd is a 16-year-old private limited company registered in Seaham, company number 07342581, one of 14 electrical contractors in Seaham. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £1,106 (+28%) on the year before, to £5,059.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £6,858 against £7,703 owed within a year: 0.9 times cover.
- 1 employee on average during the year.
- 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 Dec 2025 | £5,059 | £6,858 | £7,703 | 1 | |
| 31 Dec 2024 | £3,953 | £3,672 | £8,452 | 1 | |
| 31 Dec 2023 | -£7,066 | £10K | £31K | 0 | |
| 31 Dec 2022 | -£28K | £2,970 | £35K | 1 | |
| 31 Dec 2021 | -£27K | £13K | £44K | 1 | |
| 31 Dec 2020 | -£44K | £6,603 | £57K | 1 | |
| 31 Dec 2019 | £50K | £5,315 | £15K | 1 | |
| 31 Dec 2018 | -£34K | £697 | £8,289 | £54K | |
| 31 Dec 2017 | -£21K | £21K | £58K | ||
| 31 Dec 2016 | £525 | £2,335 | £25K | £47K | 2 |
Who runs and owns Zone Fire & Security Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| A*** L*** | Director | Aug 2010 |
| A*** L*** | Secretary | Sep 2016 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| S*** L*** | Secretary | Apr 2011 | Sep 2016 |
Person with significant control
Where Zone Fire & Security Ltd is registered
The registered office is in Seaham (SR7), in the County Durham local authority area, North East. Show SR7 7RT on a map.
Other trade companies in SR7
- Northeast Hygiene Solution LtdCleaning companies
- Wraccess LimitedElectricians
- GS Groundworks Ne LtdCivil engineering
- Alloy Wheel Studio LimitedMechanics and garages
- Leewoods Developments LtdProperty developers
- Parker Clarke Group LtdMachinery repair and installation
- Coast 2 Coast Builders LtdBuilders
- Technalight LtdElectricians
What happens if Zone Fire & Security 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 07342581
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 August 2010 (16 years ago)
- Registered office
- 12 Alder Grove, Roseberry Park, Seaham, Durham, SR7 7RT
- Nature of business
- Electrical installation (SIC 43210)
Security systems service activities (SIC 80200) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 1 October 2025
- Previous names
- Zone Security Systems Limited (until 15 Oct 2020)
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 Seaham
Other active electrical contractors registered in Seaham.
- Cdy Electrical Contractors Ltd2026
- Compound Joinery Ltd2020
- DM Electrical Contractor's Ltd2020
- E&N Electrical Services Ltd2025
- H.E.S Halls Electrical Services Ltd2004
- Intelec Electrical Solutions Ltd2024
- Itc Plumbing and Heating Services Limited2003
- Mark Maw Electrical Ltd2026
All electrical contractors in Seaham · All trades in Seaham · Electricians across the UK
Frequently asked questions
When are Zone Fire & Security Ltd's accounts due?
Zone Fire & Security Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Zone Fire & Security Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Zone Fire & Security Ltd still trading?
Zone Fire & Security 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 Zone Fire & Security Ltd do?
Zone Fire & Security Ltd is registered under Electrical installation (SIC 43210); Security systems service activities (SIC 80200).
How old is Zone Fire & Security Ltd?
Zone Fire & Security Ltd was incorporated on 11 August 2010, 16 years ago.
Who runs Zone Fire & Security Ltd?
Zone Fire & Security Ltd has 1 active director, the longest-serving appointed in Aug 2010. Their names and service addresses are on the Companies House register.
Who owns Zone Fire & Security Ltd?
One person or company has significant control of Zone Fire & Security Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Zone Fire & Security 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 Zone Fire & Security 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.