- Companies
- Installers
- Leicester
- Defensor Maintenance Limited
Defensor Maintenance Limited
- Company number
- 03525950
- Incorporated
- 12 Mar 199828 years trading
- Registered office
- Defensor House, Kingsley Street, Leicester, Leicestershire, LE2 6DY
- Nature of business
- Other construction installation
Defensor Maintenance Limited is a 28-year-old private limited company registered in Leicester, company number 03525950, one of 201 installation companies (insulation, lifts, shutters and similar) in Leicester. 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 £121K (+32.1%) on the year before, to £497K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £1.2M against £974K owed within a year: 1.3 times cover.
- 31 employees on average, down from 35 the year before.
- 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 | £497K | £273K | £1.2M | £974K | 31 |
| 31 Mar 2024 | £376K | £173K | £1.5M | £1.4M | 35 |
| 31 Mar 2023 | £1.1M | £427K | £1.5M | £819K | 35 |
| 31 Mar 2022 | £999K | £531K | £1.5M | £901K | 29 |
| 31 Mar 2021 | £931K | £503K | £1.6M | £954K | 33 |
| 31 Mar 2020 | £866K | £276K | £1.6M | £1.1M | 37 |
| 31 Mar 2019 | £763K | £299K | £2.1M | £1.5M | 38 |
| 31 Mar 2018 | £575K | £81K | £1.6M | £1.2M | 40 |
| 31 Mar 2017 | £428K | £88K | £1.2M | £850K | 41 |
| 31 Mar 2016 | £280K | £38K | £1M | £848K |
Public contracts won
Defensor Maintenance Limited has 32 public sector contract awards on record; the ones with their own published value total £2.7M, from 2016 to 2026. Source: Contracts Finder and Find a Tender award notices. For 1 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. 2 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- University Of The West Of England24 awards
- University of the West of England4 awards
- Nottingham City Council1 award
- Leicestershire Police1 award
- Birmingham Childrens Hospital1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| University of the West of England | FR-B block fire detection | £35K | 15 Jun 2026 |
| University of the West of England | FR-A block | £34K | 15 Jun 2026 |
| University of the West of England | Fire Alarm Replacement | £37K | 21 Apr 2026 |
| University of the West of England | PPM Academic Fire System | £104K | 30 Oct 2025 |
| Nottingham City Council | CPU 5568 Fire & Intruder Alarms Planned Maintenance & Repairs | £1M | 2 Sep 2025 |
| University Of The West Of England | Fire System Contract Domain Contract 2024-25 | £23K | 4 Feb 2025 |
| University Of The West Of England | Mendip Blocks Fire Alarm Device and System Replacement | £112K | 18 Jul 2024 |
| University Of The West Of England | UWE The Hollies Fire Alarm Honeywell Gent Upgrade | £65K | 10 Jun 2024 |
| University Of The West Of England | FR N Block Device Age Change Out & Upgrade | £36K | 2 Jun 2024 |
| University Of The West Of England | UWE CFS Fire Alarm Replacement | £30K | 2 Jun 2024 |
Showing the 10 most recent of 32.
Where Defensor Maintenance Limited is registered
The registered office is in Leicester (LE2), in the Leicester local authority area, East Midlands. Show LE2 6DY on a map.
Other trade companies in LE2
- Manship Enterprises LimitedElectricians
- Dumine Autos LimitedMotor traders
- PSDR LtdProperty developers
- Belcher Roofing LtdRoofers
- Green Garden Services & Solutions LtdFinishing trades
- Sopon Cars LtdMechanics and garages
- Group KMZ LimitedMotor traders
- Sultannoorcleaningservices LtdCleaning companies
What happens if Defensor Maintenance 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
- 03525950
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 March 1998 (28 years ago)
- Registered office
- Defensor House, Kingsley Street, Leicester, Leicestershire, LE2 6DY
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 12 March 2026
- Charges (mortgages)
- 2 outstanding of 5 registered
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Leicester
Other active installation companies (insulation, lifts, shutters and similar) registered in Leicester.
- Delta-Therm Limited1989
- Dimensions Kitchens & Bedrooms Limited2011
- District Brickwork Ltd2026
- Dixon Contractors Ltd2025
- DMM Builders Ltd2025
- DN Construction (Leic) Ltd2019
- Door & Loading Bay Services Limited2015
- Doran Projects Ltd2022
All installation companies (insulation, lifts, shutters and similar) in Leicester · All trades in Leicester · Installers across the UK
Frequently asked questions
When are Defensor Maintenance Limited's accounts due?
Defensor Maintenance 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 Defensor Maintenance 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 Defensor Maintenance Limited still trading?
Defensor Maintenance 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 Defensor Maintenance Limited do?
Defensor Maintenance Limited is registered under Other construction installation (SIC 43290).
How old is Defensor Maintenance Limited?
Defensor Maintenance Limited was incorporated on 12 March 1998, 28 years ago.
Has Defensor Maintenance Limited won public sector contracts?
Yes. Defensor Maintenance Limited has 32 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £2.7M), most recently from University of the West of England.
What is the penalty if Defensor Maintenance 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 Defensor Maintenance 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.