- Companies
- Electricians
- Brighton
- Sussex Security & Electrical Ltd
Sussex Security & Electrical Ltd
- Company number
- 12888331
- Incorporated
- 18 Sep 20206 years trading
- Registered office
- Sussex Innovation Centre, Science Park Square, Brighton, East Sussex, BN1 9SB
- Nature of business
- Electrical installation; Maintenance and repair of motor vehicles
Sussex Security & Electrical Ltd is a 6-year-old private limited company registered in Brighton, company number 12888331, one of 146 electrical contractors in Brighton. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £580 (-97.8%) on the year before, to £13.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £8,625 against £6,349 owed within a year: 1.4 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £13 | £8,625 | £6,349 | 2 | |
| 30 Sep 2024 | £593 | £2,743 | £639 | 1 | |
| 30 Sep 2023 | £665 | £1,470 | £2,115 | 1 | |
| 30 Sep 2022 | £238 | £2,195 | £1,615 | 1 | |
| 30 Sep 2021 | £536 | £1,143 | £500 | 1 |
Where Sussex Security & Electrical Ltd is registered
The registered office is in Brighton (BN1), in the Lewes local authority area, South East. Show BN1 9SB on a map.
Other trade companies in BN1
- Appliance & Home Care LtdRepair services
- Steeleagle LtdMachinery repair and installation
- C & G Energy Solutions LimitedPlumbers and heating engineers
- Ruihe Raising Property LtdProperty developers
- Davinci Building LtdSpecialist contractors
- Almore Roofing & Guttering LtdRoofers
- Neo Av LtdMachinery repair and installation
- Akoma Homes and Commercial Cleaning LtdCleaning companies
Also registered at this address
8 other companies use the same registered office as Sussex Security & Electrical Ltd.
- Brighton Cool Air Conditioning LimitedPlumbers and heating engineers
- City Concepts LtdInstallers
- Concept North LimitedInstallers
- Develop Property LtdProperty developers
- DF Carpentry & Joinery LtdJoiners and carpenters
- DW Roofing South East LimitedRoofers
- RGZ Plumbing LimitedPlumbers and heating engineers
- T.F. Landscaping LimitedLandscapers and gardeners
What happens if Sussex Security & Electrical 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 12888331
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 September 2020 (6 years ago)
- Registered office
- Sussex Innovation Centre, Science Park Square, Brighton, East Sussex, BN1 9SB
- Nature of business
- Electrical installation (SIC 43210)
Maintenance and repair of motor vehicles (SIC 45200) - Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 17 September 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 Brighton
Other active electrical contractors registered in Brighton.
- Sweetman Electrical Solutions Ltd2020
- System 1 Electrical Limited2024
- T.S.S. Facilities Limited1971
- Talking Electrical Ltd2021
- Total Electrical Controls (UK) Limited2016
- Trac Electrical Contractors Ltd2021
- Trademark Alarms Limited2022
- Volt Harbour Ltd2025
All electrical contractors in Brighton · All trades in Brighton · Electricians across the UK
Frequently asked questions
When are Sussex Security & Electrical Ltd's accounts due?
Sussex Security & Electrical Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Sussex Security & Electrical Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Sussex Security & Electrical Ltd still trading?
Sussex Security & Electrical Ltd is listed as active on the Companies House register (checked 13 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 Sussex Security & Electrical Ltd do?
Sussex Security & Electrical Ltd is registered under Electrical installation (SIC 43210); Maintenance and repair of motor vehicles (SIC 45200).
How old is Sussex Security & Electrical Ltd?
Sussex Security & Electrical Ltd was incorporated on 18 September 2020, 6 years ago.
What is the penalty if Sussex Security & Electrical 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 Sussex Security & Electrical Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.