- Companies
- Installers
- Stranraer
- J & K Mechanical Engineering Ltd
J & K Mechanical Engineering Ltd
- Company number
- SC572374
- Incorporated
- 28 Jul 20179 years trading
- Registered office
- 21B Park Lane, Stranraer, Dumfries And Galloway, DG9 0DS
- Nature of business
- Other construction installation
J & K Mechanical Engineering Ltd is a 9-year-old private limited company registered in Stranraer, company number SC572374, one of the UK's installation companies (insulation, lifts, shutters and similar). Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £96 (+78%) on the year before, to £219.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £48K against £49K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £219 | £48K | £49K | 1 | |
| 31 Jul 2024 | £123 | £35K | £36K | 1 | |
| 31 Jul 2023 | £390 | £14K | £14K | 1 | |
| 31 Jul 2022 | £111 | £12K | £12K | 1 | |
| 31 Jul 2021 | £8,492 | £15K | £6,713 | 1 | |
| 31 Jul 2020 | £18K | £29K | £12K | 1 | |
| 31 Jul 2019 | £671 | £8,150 | £8,455 | ||
| 31 Jul 2018 | -£5,407 | £1,698 | £7,045 |
Where J & K Mechanical Engineering Ltd is registered
The registered office is in Stranraer (DG9), in the Dumfries and Galloway local authority area, Scotland. Show DG9 0DS on a map.
Other trade companies in DG9
- S. McDowall Mechanical Engineers LtdMechanics and garages
- Safety Solved LimitedCivil engineering
- Atd Automotive LtdMechanics and garages
- Allan Projects LtdBuilders
- Sgwvalets LtdCleaning companies
- Agsgroundworks LimitedInstallers
- West Coast Utilities & Civils LtdSpecialist contractors
- A.T.L.S Services LtdPlumbers and heating engineers
What happens if J & K Mechanical Engineering 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- SC572374
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 July 2017 (9 years ago)
- Registered office
- 21B Park Lane, Stranraer, Dumfries And Galloway, DG9 0DS
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 25 February 2026
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.
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Other active installation companies (insulation, lifts, shutters and similar) registered in Stranraer.
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Frequently asked questions
When are J & K Mechanical Engineering Ltd's accounts due?
J & K Mechanical Engineering Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is J & K Mechanical Engineering Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is J & K Mechanical Engineering Ltd still trading?
J & K Mechanical Engineering 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 J & K Mechanical Engineering Ltd do?
J & K Mechanical Engineering Ltd is registered under Other construction installation (SIC 43290).
How old is J & K Mechanical Engineering Ltd?
J & K Mechanical Engineering Ltd was incorporated on 28 July 2017, 9 years ago.
What is the penalty if J & K Mechanical Engineering 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 J & K Mechanical Engineering 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.