- Companies
- Machinery repair and installation
- Leeds
- Trust Security Systems Limited
Trust Security Systems Limited
- Company number
- 03535731
- Incorporated
- 26 Mar 199828 years trading
- Registered office
- Aviation House Swordfish Way, Sherburn in Elmet, Leeds, LS25 6NG
- Nature of business
- Repair of electronic and optical equipment; Other specialised construction activities n.e.c.; Security systems service activities
Trust Security Systems Limited is a 28-year-old private limited company registered in Leeds, company number 03535731, one of 231 machinery repair and installation companies in Leeds. 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 down £2,931 (-1.2%) on the year before, to -£251K.
- Net assets rose in 0 of 7 year-on-year comparisons on record.
- Current assets of £1,295 against £252K owed within a year: 0.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | -£251K | £1,451 | £1,295 | £252K | 0 |
| 31 Mar 2024 | -£248K | £7,167 | £7,555 | £255K | 1 |
| 31 Mar 2023 | -£244K | £30K | £48K | £292K | 2 |
| 31 Mar 2022 | -£223K | £2,890 | -£12K | £211K | 2 |
| 31 Mar 2021 | -£201K | £150K | £489K | £690K | 2 |
| 31 Mar 2020 | -£175K | £41K | £336K | £522K | 2 |
| 31 Mar 2019 | -£20K | £84K | £415K | £449K | |
| 31 Mar 2016 | £40K | £27K | £232K | £210K | |
| 31 Mar 2015 | £40K | £23K | £214K | £176K |
Where Trust Security Systems Limited is registered
The registered office is in Leeds (LS25), in the North Yorkshire local authority area, Yorkshire and The Humber. Show LS25 6NG on a map.
Other trade companies in LS25
- Solutions Property Services LtdBuilders
- Dynan Electrical LtdElectricians
- Carbon Car Sales LtdMotor traders
- Stratton Projects LtdCivil engineering
- Tall House Developments LtdBuilders
- Genome Automotive Collection LimitedMotor traders
- CP Roofing and Cladding LtdRoofers
- Signature Spec Group LtdMotor traders
What happens if Trust 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
- 03535731
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 March 1998 (28 years ago)
- Registered office
- Aviation House Swordfish Way, Sherburn in Elmet, Leeds, LS25 6NG
- Nature of business
- Repair of electronic and optical equipment (SIC 33130)
Other specialised construction activities n.e.c. (SIC 43999)
Security systems service activities (SIC 80200) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 8 March 2026
- Charges (mortgages)
- 1 outstanding of 3 registered
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 Leeds
Other active machinery repair and installation companies registered in Leeds.
- Unilam Group Ltd2018
- Unitech Building Services Ltd2015
- Vacuum & Pressure Limited2010
- Valentino Food Group Ltd2020
- Valor Property Maintenance Limited2021
- Voltex Electrical Solutions Limited2026
- Watt-Service Limited2025
- Watttech Engineering Ltd2023
All machinery repair and installation companies in Leeds · All trades in Leeds · Machinery repair and installation across the UK
Frequently asked questions
When are Trust Security Systems Limited's accounts due?
Trust Security Systems Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Trust 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 Trust Security Systems Limited still trading?
Trust Security Systems Limited is listed as active on the Companies House register (checked 12 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 Trust Security Systems Limited do?
Trust Security Systems Limited is registered under Repair of electronic and optical equipment (SIC 33130); Other specialised construction activities n.e.c. (SIC 43999); Security systems service activities (SIC 80200).
How old is Trust Security Systems Limited?
Trust Security Systems Limited was incorporated on 26 March 1998, 28 years ago.
What is the penalty if Trust 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 Trust Security Systems Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.