- Companies
- Electricians
- Wembley
- Advanced Security Installers Ltd
Advanced Security Installers Ltd
- Company number
- 10336532
- Incorporated
- 18 Aug 201610 years trading
- Registered office
- Flat 3, Gateway House, 1A Carlyon Road, Wembley, HA0 1GR
- Nature of business
- Electrical installation
Advanced Security Installers Ltd is a 10-year-old private limited company registered in Wembley, company number 10336532, one of 85 electrical contractors in Wembley. 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 £299 (-8.2%) on the year before, to £3,336.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £3,736 against £814 owed within a year: 4.6 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £3,336 | £3,315 | £3,736 | £814 | 1 |
| 31 Aug 2024 | £3,635 | £3,635 | £0 | 0 | |
| 31 Aug 2023 | £6,134 | £9,386 | £752 | 0 | |
| 31 Aug 2022 | £5,294 | £6,636 | £1,342 | 0 | |
| 31 Aug 2021 | £3,166 | £6,853 | £687 | 1 | |
| 31 Aug 2020 | £2,924 | £4,269 | £1,345 | 0 | |
| 31 Aug 2019 | £4,926 | £6,517 | £1,591 | 0 | |
| 31 Aug 2018 | £1,420 | £0 | £6,580 | ||
| 31 Aug 2017 | £1,501 | £7,648 | £6,147 |
Where Advanced Security Installers Ltd is registered
The registered office is in Wembley (HA0), in the Brent local authority area, London. Show HA0 1GR on a map.
Other trade companies in HA0
- VN26 LtdCleaning companies
- Smartgrid D M Energy LimitedElectricians
- North West LDN Motor Group LtdMotor traders
- T&J Contractors LtdBuilders
- MBDP LtdBuilders
- Vhheatingservice LtdPlumbers and heating engineers
- Urban Coat London LtdFloor and wall tilers
- Ahmadamg LimitedMotor traders
What happens if Advanced Security Installers 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 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
- 10336532
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 August 2016 (10 years ago)
- Registered office
- Flat 3, Gateway House, 1A Carlyon Road, Wembley, HA0 1GR
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 12 August 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 Wembley
Other active electrical contractors registered in Wembley.
- Alket Dara Group Ltd2025
- Andrei Firu Electric Ltd2026
- Anybuild Property Solutions Limited2012
- Aoc Electrical Solutions Ltd2026
- BB3 Electrical Contractors Limited2023
- BBC Lighting & Electrical Services Ltd2018
- Bless Sun Energy Ltd2026
- Brian Lovell & Company Ltd2021
All electrical contractors in Wembley · All trades in Wembley · Electricians across the UK
Frequently asked questions
When are Advanced Security Installers Ltd's accounts due?
Advanced Security Installers Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Advanced Security Installers Ltd'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 Advanced Security Installers Ltd still trading?
Advanced Security Installers 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 Advanced Security Installers Ltd do?
Advanced Security Installers Ltd is registered under Electrical installation (SIC 43210).
How old is Advanced Security Installers Ltd?
Advanced Security Installers Ltd was incorporated on 18 August 2016, 10 years ago.
What is the penalty if Advanced Security Installers 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 Advanced Security Installers 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.