- Companies
- Machinery repair and installation
- Gravesend
- Aztec Security Systems Limited
Aztec Security Systems Limited
- Company number
- 05411740
- Incorporated
- 1 Apr 200521 years trading
- Registered office
- Office 5 Longferry House, 82 High Street, Gravesend, Kent, DA11 0BH
- Nature of business
- Installation of industrial machinery and equipment
Aztec Security Systems Limited is a 21-year-old private limited company registered in Gravesend, company number 05411740, one of 54 machinery repair and installation companies in Gravesend. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £2,031 (+1.6%) on the year before, to £129K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £216K against £87K owed within a year: 2.5 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 Mar 2025 | £129K | £216K | £216K | £87K | 1 |
| 31 Mar 2024 | £127K | £186K | £186K | £59K | 1 |
| 31 Mar 2023 | £109K | £114K | £124K | £15K | 1 |
| 31 Mar 2022 | £70K | £81K | £86K | £16K | 1 |
| 31 Mar 2021 | £43K | £56K | £57K | £14K | 1 |
| 31 Mar 2020 | £18K | £11K | £31K | £13K | 1 |
| 31 Mar 2019 | £12K | £748 | £22K | £10K | |
| 31 Mar 2018 | £15K | £15K | £29K | £16K | |
| 31 Mar 2017 | £4,589 | £12K | £24K | £22K | |
| 31 Mar 2016 | £8,449 | £11K | £39K | £34K |
Where Aztec Security Systems Limited is registered
The registered office is in Gravesend (DA11), in the Gravesham local authority area, South East. Show DA11 0BH on a map.
Other trade companies in DA11
- Rashcomms LtdCivil engineering
- Luc Cleaning CTL LtdCleaning companies
- Oasis VDZ Auto LtdMotor traders
- L.E.A.D Integrated Services LimitedFinishing trades
- Taqdeer Construction LtdBuilders
- Rana's Construction LtdProperty developers
- Justfix 24/7 LtdPlumbers and heating engineers
- Fairmont Property Developments LtdProperty developers
Also registered at this address
1 other company uses the same registered office as Aztec Security Systems Limited.
- Janson Projects LimitedCivil engineering
What happens if Aztec Security 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 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 | 1 Apr 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 | 31 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
- 05411740
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 April 2005 (21 years ago)
- Registered office
- Office 5 Longferry House, 82 High Street, Gravesend, Kent, DA11 0BH
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 1 April 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Gravesend
Other active machinery repair and installation companies registered in Gravesend.
- Bush Engineering Services Limited1992
- Celik Pipefitting Ltd2020
- CJ Improve & Develop Limited2018
- Crown Industrial Doors Limited2013
- Crown Reactive Property Maintenance Limited2020
- CSL Power Systems Ltd2000
- Daniel Repairs Limited2021
- Davies Global Services Ltd2013
All machinery repair and installation companies in Gravesend · All trades in Gravesend · Machinery repair and installation across the UK
Frequently asked questions
When are Aztec Security Systems Limited's accounts due?
Aztec Security Systems Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Aztec Security Systems Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Aztec Security Systems Limited still trading?
Aztec Security 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 Aztec Security Systems Limited do?
Aztec Security Systems Limited is registered under Installation of industrial machinery and equipment (SIC 33200).
How old is Aztec Security Systems Limited?
Aztec Security Systems Limited was incorporated on 1 April 2005, 21 years ago.
What is the penalty if Aztec Security 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 Aztec Security 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.