- Companies
- Civil engineering
- Strathaven
- Sas Rail Limited
Sas Rail Limited
- Company number
- SC651342
- Incorporated
- 13 Jan 20206 years trading
- Registered office
- 50 Calder Crescent, Glassford, Strathaven, ML10 6TN
- Nature of business
- Construction of railways and underground railways
Sas Rail Limited is a 6-year-old private limited company registered in Strathaven, company number SC651342, one of 7 civil engineering contractors in Strathaven. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £278 (-1.4%) on the year before, to £19K.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £23K against £7,002 owed within a year: 3.3 times cover.
- 1 employee on average, up from -1 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £19K | £23K | £7,002 | 1 | |
| 31 Jan 2024 | £20K | £40K | £22K | -1 | |
| 31 Jan 2023 | £7,394 | £14K | £8,707 | -1 | |
| 31 Jan 2022 | £7,989 | £11K | £5,622 | -1 | |
| 31 Jan 2021 | £11K | £20K | £11K | 1 |
Where Sas Rail Limited is registered
The registered office is in Strathaven (ML10), in the South Lanarkshire local authority area, Scotland. Show ML10 6TN on a map.
Other trade companies in ML10
- Autolec Scotland LimitedMechanics and garages
- Hartness Civil & Structural LimitedCivil engineering
- Caledonia Trade Sales LimitedMotor traders
- Amross Services LtdMachinery repair and installation
- Napierdevelopment LtdProperty developers
- Invisishield LtdRepair services
- Clean Slate Home Services LimitedCleaning companies
- Lanarkshire Small Plant Repair Services LtdMachinery repair and installation
What happens if Sas 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- SC651342
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 January 2020 (6 years ago)
- Registered office
- 50 Calder Crescent, Glassford, Strathaven, ML10 6TN
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 12 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 Strathaven
Other active civil engineering contractors registered in Strathaven.
- SGGC Ltd2022
- Abh Contracts Scotland Ltd2020
- Castleview Engineering Ltd2023
- Chestnut Interiors Ltd2016
- Hartness Civil & Structural Limited2026
- RRSS Engineering Limited2015
All civil engineering contractors in Strathaven · All trades in Strathaven · Civil engineering across the UK
Frequently asked questions
When are Sas Rail Limited's accounts due?
Sas Rail Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Sas Rail Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Sas Rail Limited still trading?
Sas 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 Sas Rail Limited do?
Sas Rail Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is Sas Rail Limited?
Sas Rail Limited was incorporated on 13 January 2020, 6 years ago.
What is the penalty if Sas 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 Sas 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.