- Companies
- Civil engineering
- Kilmarnock
- Ksa Rail Ltd
Ksa Rail Ltd
- Company number
- SC604612
- Incorporated
- 7 Aug 20188 years trading
- Registered office
- 9A ST. Marnock Place, Kilmarnock, KA1 1DU
- Nature of business
- Construction of other civil engineering projects n.e.c.
Ksa Rail Ltd is a 8-year-old private limited company registered in Kilmarnock, company number SC604612, one of 50 civil engineering contractors in Kilmarnock. Its next accounts are due at Companies House on 30 May 2027, and the CT600 for the period to 30 August 2026 is due at HMRC on 30 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 down £26K (-6.5%) on the year before, to £372K.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £272K against £168K owed within a year: 1.6 times cover.
- 5 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £372K | £23K | £272K | £168K | 5 |
| 31 Aug 2024 | £397K | £72K | £367K | £248K | 5 |
| 31 Aug 2023 | £295K | £123K | £298K | £236K | 4 |
| 31 Aug 2022 | £298K | £42K | £284K | £85K | 7 |
| 31 Aug 2021 | £731K | £453K | £770K | £119K | 8 |
| 31 Aug 2020 | £348K | £178K | £441K | £91K | 2 |
| 31 Aug 2019 | £242K | £206K | £406K | £189K | 2 |
Where Ksa Rail Ltd is registered
The registered office is in Kilmarnock (KA1), in the East Ayrshire local authority area, Scotland. Show KA1 1DU on a map.
Other trade companies in KA1
- MM Electrical Instalations LtdElectricians
- Cornerstone Project Management LtdBuilders
- JCC.Vertex Build LtdElectricians
- Deo Property Consortium LimitedProperty developers
- Jake Robb Joinery LimitedJoiners and carpenters
- Cby Plumbing & Heating Solutions LtdPlumbers and heating engineers
- Elite Installs Scotland LtdPlumbers and heating engineers
- Elevate Joinery & Conservatory Specialist Ayrshire LimitedJoiners and carpenters
Also registered at this address
5 other companies use the same registered office as Ksa Rail Ltd.
- DGC Accident and Paintwork Specialist LtdMechanics and garages
- Kilday Engineering Services LtdMachinery repair and installation
- Ksa Joinery & Building Solutions LtdJoiners and carpenters
- Lincoln Landscaping LtdLandscapers and gardeners
- Yuko Consultancy LimitedMachinery repair and installation
What happens if Ksa Rail 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 May 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 30 Aug 2027 | £375 |
| 3 to 6 months late | 31 Aug 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 | 31 Aug 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 | 30 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
- SC604612
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 August 2018 (8 years ago)
- Registered office
- 9A ST. Marnock Place, Kilmarnock, KA1 1DU
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 August (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 1 October 2025
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.
- 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
- RL Kenny Ltd2023
All civil engineering contractors in Kilmarnock · All trades in Kilmarnock · Civil engineering across the UK
Frequently asked questions
When are Ksa Rail Ltd's accounts due?
Ksa Rail Ltd's next accounts are due at Companies House by 30 May 2027 (in 229 days), covering the period to 30 August 2026.
When is Ksa Rail Ltd's CT600 due?
The CT600 for the period to 30 August 2026 is due at HMRC by 30 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 May 2027.
Is Ksa Rail Ltd still trading?
Ksa Rail 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 Ksa Rail Ltd do?
Ksa Rail Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Ksa Rail Ltd?
Ksa Rail Ltd was incorporated on 7 August 2018, 8 years ago.
What is the penalty if Ksa Rail 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 Ksa Rail 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.