- Companies
- Civil engineering
- Digital Rail Systems Limited
Digital Rail Systems Limited
- Company number
- SC631417
- Incorporated
- 23 May 20197 years trading
- Registered office
- 32 Dimma Park, South Queensferry, EH30 9AL
- Nature of business
- Construction of railways and underground railways
Digital Rail Systems Limited is a 7-year-old private limited company registered in South Queensferry, company number SC631417, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 25 June 2027, and the CT600 for the period to 25 September 2026 is due at HMRC on 25 September 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 £1,786 (-4%) on the year before, to £42K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £33K against £37K owed within a year: 0.9 times cover.
- 1 employee 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 |
|---|---|---|---|---|---|
| 25 Sep 2025 | £42K | £33K | £37K | 1 | |
| 25 Sep 2024 | £44K | £33K | £37K | 1 | |
| 27 Sep 2023 | £47K | £33K | £26K | 1 | |
| 29 Sep 2022 | £45K | £33K | £17K | 1 | |
| 30 Sep 2021 | £57K | £46K | £19K | 1 | |
| 30 Sep 2020 | £28K | £76K | £3,955 | 1 |
Where Digital Rail Systems Limited is registered
The registered office is in South Queensferry (EH30), in the City of Edinburgh local authority area, Scotland. Show EH30 9AL on a map.
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What happens if Digital Rail Systems 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 25 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 Jun 2027 to 25 Jul 2027 | £150 |
| 1 to 3 months late | 26 Jul 2027 to 25 Sep 2027 | £375 |
| 3 to 6 months late | 26 Sep 2027 to 25 Dec 2027 | £750 |
| More than 6 months late | From 26 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 26 Sep 2027 | £200 |
| 3 months late | 25 Dec 2027 | another £200 |
| 6 months late | 25 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 25 Sep 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
- SC631417
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 May 2019 (7 years ago)
- Registered office
- 32 Dimma Park, South Queensferry, EH30 9AL
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 25 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 25 September 2025
- Last confirmation statement
- 12 May 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
Other active civil engineering contractors.
Frequently asked questions
When are Digital Rail Systems Limited's accounts due?
Digital Rail Systems Limited's next accounts are due at Companies House by 25 June 2027 (in 256 days), covering the period to 25 September 2026.
When is Digital Rail Systems Limited's CT600 due?
The CT600 for the period to 25 September 2026 is due at HMRC by 25 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 26 June 2027.
Is Digital Rail Systems Limited still trading?
Digital Rail Systems 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 Digital Rail Systems Limited do?
Digital Rail Systems Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is Digital Rail Systems Limited?
Digital Rail Systems Limited was incorporated on 23 May 2019, 7 years ago.
What is the penalty if Digital Rail Systems 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 Digital Rail Systems 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.