- Companies
- Machinery repair and installation
- Chandler's Ford
- M3 Security Limited
M3 Security Limited
- Company number
- 06472304
- Incorporated
- 14 Jan 200818 years trading
- Registered office
- C/O Xeinadin First Floor Secure House, Lulworth Close, Chandler's Ford, SO53 3TL
- Nature of business
- Repair of electrical equipment; Repair of other equipment; Electrical installation
M3 Security Limited is a 18-year-old private limited company registered in Chandler's Ford, company number 06472304, one of the UK's machinery repair and installation companies. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
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 £26K (+12.4%) on the year before, to £232K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £273K against £61K owed within a year: 4.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £232K | £273K | £61K | 0 | |
| 31 Jan 2025 | £206K | £227K | £16K | 3 | |
| 31 Jan 2024 | £191K | £210K | £27K | 4 | |
| 31 Jan 2023 | £303K | £341K | £48K | 4 | |
| 31 Jan 2022 | £234K | £282K | £57K | 4 | |
| 31 Jan 2021 | £197K | £259K | £78K | 4 | |
| 31 Jan 2020 | £154K | £190K | £63K | 7 | |
| 31 Jan 2019 | £182K | £194K | £51K | ||
| 31 Jan 2018 | £156K | £210K | £56K | ||
| 31 Jan 2017 | £97K | £121K | £29K |
Where M3 Security Limited is registered
The registered office is in Chandler's Ford (SO53), in the Eastleigh local authority area, South East. Show SO53 3TL on a map.
Other trade companies in SO53
- Surface Dressing UK LtdCivil engineering
- Audin Construction LtdSpecialist contractors
- Jelly West Developments LtdProperty developers
- Climate and Renewables Service LtdPlumbers and heating engineers
- McCarthy Construct LimitedProperty developers
- Cura Projects LimitedFinishing trades
- Tubmate LtdMachinery repair and installation
- Brook Hill Developments LimitedProperty developers
Also registered at this address
21 other companies use the same registered office as M3 Security Limited.
- Aero-Therm Products LtdFinishing trades
- Cleaner by Miles LtdCleaning companies
- Ebc South LimitedBuilders
- Exit LtdCivil engineering
- GM Injector Services LimitedMechanics and garages
- Home Property Maintenance LtdFinishing trades
- Hythe and Waterside Landscaping LimitedLandscapers and gardeners
- Jar@Feature Floors LimitedFloor and wall tilers
- JT Services (South West) LtdBuilders
- KPR Drylining LimitedPlasterers
- Martin Barker Electrical LimitedElectricians
- McStay Plumbing & Heating LtdPlumbers and heating engineers
- Mike Pritchard Motors LimitedMechanics and garages
- MRH Scaffolding LtdScaffolders
- Rail & Property Management LimitedInstallers
- Red Roof Marine LimitedJoiners and carpenters
- SC Scaffolding LimitedScaffolders
- Silhouette B.G LimitedInstallers
- Simon Martin Rural Contracting LimitedLandscapers and gardeners
- VNT Services LtdPainters and decorators
- Wilton Ventilation Systems LtdFinishing trades
What happens if M3 Security 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 06472304
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 January 2008 (18 years ago)
- Registered office
- C/O Xeinadin First Floor Secure House, Lulworth Close, Chandler's Ford, SO53 3TL
- Nature of business
- Repair of electrical equipment (SIC 33140)
Repair of other equipment (SIC 33190)
Electrical installation (SIC 43210) - Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 14 January 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 Chandler's Ford
Other active machinery repair and installation companies registered in Chandler's Ford.
All machinery repair and installation companies in Chandler's Ford · All trades in Chandler's Ford · Machinery repair and installation across the UK
Frequently asked questions
When are M3 Security Limited's accounts due?
M3 Security Limited's next accounts are due at Companies House by 31 October 2027 (in 384 days), covering the period to 31 January 2027.
When is M3 Security Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is M3 Security Limited still trading?
M3 Security 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 M3 Security Limited do?
M3 Security Limited is registered under Repair of electrical equipment (SIC 33140); Repair of other equipment (SIC 33190); Electrical installation (SIC 43210).
How old is M3 Security Limited?
M3 Security Limited was incorporated on 14 January 2008, 18 years ago.
What is the penalty if M3 Security 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 M3 Security 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.