- Companies
- Civil engineering
- Kilmarnock
- KJK Rail Limited
KJK Rail Limited
- Company number
- SC525666
- Incorporated
- 1 Feb 201610 years trading
- Registered office
- 1A Bank Place, Kilmarnock, KA1 1HJ
- Nature of business
- Construction of railways and underground railways
KJK Rail Limited is a 10-year-old private limited company registered in Kilmarnock, company number SC525666, one of 50 civil engineering contractors in Kilmarnock. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 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 £7,012 (+738.1%) on the year before, to £7,962.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £14K against £6,707 owed within a year: 2.0 times cover.
- 1 employee on average during the year.
- 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 |
|---|---|---|---|---|---|
| 28 Feb 2026 | £7,962 | £14K | £6,707 | 1 | |
| 28 Feb 2025 | £950 | £8,731 | £8,983 | 1 | |
| 29 Feb 2024 | £6,921 | £11K | £5,451 | 1 | |
| 28 Feb 2023 | £10K | £18K | £9,361 | 1 | |
| 28 Feb 2022 | £8,591 | £11K | £4,298 | 1 | |
| 28 Feb 2021 | £3,643 | £2,826 | £958 | 1 | |
| 29 Feb 2020 | £1,367 | £1,791 | £1,550 | 1 | |
| 28 Feb 2019 | £3,419 | £3,455 | £1,444 | ||
| 28 Feb 2018 | £5,181 | £6,084 | £2,663 | ||
| 28 Feb 2017 | £2,203 | £6,938 | £6,908 |
Where KJK Rail Limited is registered
The registered office is in Kilmarnock (KA1), in the East Ayrshire local authority area, Scotland. Show KA1 1HJ on a map.
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Also registered at this address
23 other companies use the same registered office as KJK Rail Limited.
- Am Rail Contracts LtdCivil engineering
- Ayrshire Drywall Services LtdPlasterers
- Boab's Your Builder LimitedLandscapers and gardeners
- Calvin Marshall Heating and Plumbing Services LtdPlumbers and heating engineers
- Car-Bella Scotland LimitedElectricians
- Complex Access LtdInstallers
- Cooper Decorators LimitedPainters and decorators
- G B Resources LimitedCivil engineering
- Gaztec Roofing Services LtdRoofers
- Gaztec Services LtdPlumbers and heating engineers
- Glenabby Roofing LimitedRoofers
- GSC Building and Landscaping Services LtdLandscapers and gardeners
- Im Joinery LimitedJoiners and carpenters
- J Banks Rail Services LtdCivil engineering
- J.N.S. Contracts LimitedLandscapers and gardeners
- JPH Joinery Services LtdJoiners and carpenters
- Kelly Grab Hire Kilmarnock LtdSpecialist contractors
- KPS Bricklayers LtdProperty developers
- Neil Plumbing & Heating LtdPlumbers and heating engineers
- Thistle Shutters LtdJoiners and carpenters
- Ultimate Restoration LtdCleaning companies
- Walkers 101 Services LtdCivil engineering
- WCK Windows & Doors (Ayrshire) LtdJoiners and carpenters
What happens if KJK Rail 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 30 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- SC525666
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 February 2016 (10 years ago)
- Registered office
- 1A Bank Place, Kilmarnock, KA1 1HJ
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 31 January 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Kilmarnock
Other active civil engineering contractors registered in Kilmarnock.
- Ksa Rail Ltd2018
- M-Tec Networks Ltd2026
- Mackinnon Construction & Developments Ltd2021
- Malcolm Steel Limited2007
- Nelson Construction Solutions Ltd2021
- Nelson Track Solutions Ltd2019
- Plant and Labour Solutions Ltd2026
- Ralston Contracts Ltd2022
All civil engineering contractors in Kilmarnock · All trades in Kilmarnock · Civil engineering across the UK
Frequently asked questions
When are KJK Rail Limited's accounts due?
KJK Rail Limited's next accounts are due at Companies House by 30 November 2027 (in 413 days), covering the period to 28 February 2027.
When is KJK Rail Limited's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is KJK Rail Limited still trading?
KJK Rail 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 KJK Rail Limited do?
KJK Rail Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is KJK Rail Limited?
KJK Rail Limited was incorporated on 1 February 2016, 10 years ago.
What is the penalty if KJK Rail 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 KJK Rail 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.