- Companies
- Installers
- Leigh-on-Sea
- Harrison Secure Locksmith Services Ltd
Harrison Secure Locksmith Services Ltd
- Company number
- 12087351
- Incorporated
- 5 Jul 20197 years trading
- Registered office
- 1349/1353 London Road, Leigh-on-Sea, Essex, SS9 2AB
- Nature of business
- Other construction installation; Other specialised construction activities n.e.c.; Other engineering activities
Harrison Secure Locksmith Services Ltd is a 7-year-old private limited company registered in Leigh-on-Sea, company number 12087351, one of 64 installation companies (insulation, lifts, shutters and similar) in Leigh-on-Sea. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £13K (+368%) on the year before, to £17K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £40K against £24K owed within a year: 1.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £17K | £12K | £40K | £24K | 2 |
| 31 Aug 2024 | £3,568 | £6,049 | £3,279 | 2 | |
| 31 Aug 2023 | £1,059 | £831 | £770 | 2 | |
| 31 Aug 2022 | £10 | £1,839 | £1,829 | 2 | |
| 31 Aug 2021 | -£445 | £1,506 | £1,951 | 0 | |
| 31 Jul 2020 | £0 | £0 | £0 | 2 |
Where Harrison Secure Locksmith Services Ltd is registered
The registered office is in Leigh-on-Sea (SS9), in the Southend-on-Sea local authority area, East of England. Show SS9 2AB on a map.
Other trade companies in SS9
- Cheap Locksmith Essex LtdRepair services
- Alexander Hall Real Estate LtdProperty developers
- Britannia Roofing & Dampproofing LtdRoofers
- Elite Build & Co (Essex) LtdBuilders
- High Lift Scaffold LimitedScaffolders
- Hill's Plumbing, Heating & Gas LtdPlumbers and heating engineers
- MTS Piling LimitedSpecialist contractors
- Install & Transport LimitedMachinery repair and installation
Also registered at this address
21 other companies use the same registered office as Harrison Secure Locksmith Services Ltd.
- Agk Heating LtdPlumbers and heating engineers
- Ajf Electrical (Services) LimitedSpecialist contractors
- Allen Facilities Management Services LimitedFacilities management
- Alp Builders LimitedBuilders
- Asg Prime Developments LtdProperty developers
- Britton Adept LimitedPlasterers
- Christmas Tree Delivery LimitedBuilders
- Fixafault Electrical LimitedElectricians
- Gauged Masonry LtdFinishing trades
- J.D. Wyatt LimitedSpecialist contractors
- JRD Heating LtdMachinery repair and installation
- Lane Engineering Design LimitedLandscapers and gardeners
- Leigh Washrooms LtdInstallers
- Mad Dogs & Englishmen Interiors LimitedProperty developers
- MJR Developments (Essex) LimitedProperty developers
- Plumbing & Heating (Leigh) LtdPlumbers and heating engineers
- Pro Builders Construction LimitedBuilders
- R. & W. Avery LimitedProperty developers
- Reo Construction LimitedBuilders
- Sic Building Services LimitedInstallers
- Southern Tyre Wholesalers LimitedMotor traders
What happens if Harrison Secure Locksmith Services 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 12087351
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 July 2019 (7 years ago)
- Registered office
- 1349/1353 London Road, Leigh-on-Sea, Essex, SS9 2AB
- Nature of business
- Other construction installation (SIC 43290)
Other specialised construction activities n.e.c. (SIC 43999)
Other engineering activities (SIC 71129) - Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 10 February 2026
- Previous names
- Onestop Security Systems Ltd (until 10 Aug 2021)
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 Leigh-on-Sea
Other active installation companies (insulation, lifts, shutters and similar) registered in Leigh-on-Sea.
- Hayward Heating Ltd2011
- Icubed Home Cinema Limited2014
- Ignite Fireplace Designs Limited2020
- I’M Jorge Complete Home & Carpentry Solutions Ltd2026
- JKB Interiors Limited2023
- JMG Project Services Limited2025
- Johnson's Mechanical & Electrical Limited2024
- Joshua Martin Group Limited2025
All installation companies (insulation, lifts, shutters and similar) in Leigh-on-Sea · All trades in Leigh-on-Sea · Installers across the UK
Frequently asked questions
When are Harrison Secure Locksmith Services Ltd's accounts due?
Harrison Secure Locksmith Services Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Harrison Secure Locksmith Services Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Harrison Secure Locksmith Services Ltd still trading?
Harrison Secure Locksmith Services 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 Harrison Secure Locksmith Services Ltd do?
Harrison Secure Locksmith Services Ltd is registered under Other construction installation (SIC 43290); Other specialised construction activities n.e.c. (SIC 43999); Other engineering activities (SIC 71129).
How old is Harrison Secure Locksmith Services Ltd?
Harrison Secure Locksmith Services Ltd was incorporated on 5 July 2019, 7 years ago.
What is the penalty if Harrison Secure Locksmith Services 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 Harrison Secure Locksmith Services Ltd 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.