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- Machinery repair and installation
- Southampton
- Amp Security Ltd
Company profile · Machinery repair and installation
Amp Security Ltd
Amp Security Ltd is a 20-year-old private limited company registered in Southampton, company number 05908315, one of 224 machinery repair and installation companies in Southampton. 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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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Amp Security Ltd over the years
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 £13K (-98.4%) on the year before, to £206.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- 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 | £206 | £13K | 1 | ||
| 31 Mar 2024 | £13K | £19K | 1 | ||
| 31 Mar 2023 | £588 | £27K | 1 | ||
| 31 Mar 2022 | £5,707 | £37K | 1 | ||
| 31 Mar 2021 | £18K | £13K | 1 | ||
| 31 Mar 2020 | £44K | £34K | 1 | ||
| 31 Mar 2019 | £59K | £55K | |||
| 31 Mar 2018 | £65K | £72K | |||
| 31 Mar 2017 | £9,158 | £70K | |||
| 31 Mar 2016 | £1,539 | £53K | £60K |
Who runs and owns Amp Security Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** P*** | Director | Aug 2006 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| L*** B*** | Secretary | Aug 2006 | Oct 2009 |
Person with significant control
Where Amp Security Ltd is registered
The registered office is in Southampton (SO45), in the New Forest local authority area, South East. Show SO45 1ZA on a map.
Other trade companies in SO45
- PRG Installation Services LimitedMachinery repair and installation
- Off the Rails Paintworks LtdPainters and decorators
- Hpexterior LtdCleaning companies
- Amt Automotive (Dibden) LtdMotor traders
- HP Exterior Clean LtdCleaning companies
- Valmora Projects LtdProperty developers
- New Leaf Naturescapes LtdLandscapers and gardeners
- Southern Vehicle Services LtdMechanics and garages
What happens if Amp Security 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 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
- 05908315
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 August 2006 (20 years ago)
- Registered office
- 9 Hampton Lane, Blackfield, Southampton, SO45 1ZA
- Nature of business
- Repair of other equipment (SIC 33190)
Maintenance and repair of motor vehicles (SIC 45200)
Security systems service activities (SIC 80200) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 22 March 2026
- Previous names
- Atr Security Limited (until 19 Nov 2025)
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 Southampton
Other active machinery repair and installation companies registered in Southampton.
- Ams 1960 Limited2004
- Ap Junior Limited2024
- Artisan Southern Limited2012
- Asher Plant Services Limited2013
- Atec Services Ltd.2015
- Avn Yacht Management Limited2026
- Awk Marine Services Ltd2025
- BC Marine Ltd2023
All machinery repair and installation companies in Southampton · All trades in Southampton · Machinery repair and installation across the UK
Frequently asked questions
When are Amp Security Ltd's accounts due?
Amp Security Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Amp Security Ltd'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 Amp Security Ltd still trading?
Amp Security 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 Amp Security Ltd do?
Amp Security Ltd is registered under Repair of other equipment (SIC 33190); Maintenance and repair of motor vehicles (SIC 45200); Security systems service activities (SIC 80200).
How old is Amp Security Ltd?
Amp Security Ltd was incorporated on 16 August 2006, 20 years ago.
Who runs Amp Security Ltd?
Amp Security Ltd has 1 active director, the longest-serving appointed in Aug 2006. Their names and service addresses are on the Companies House register.
Who owns Amp Security Ltd?
One person or company has significant control of Amp Security Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Amp Security 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 Amp Security Ltd on Companies House for filed documents, officers and the full history.
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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.