- Companies
- Civil engineering
- Birmingham
- O & S Rail Limited
O & S Rail Limited
- Company number
- 09298396
- Incorporated
- 6 Nov 201411 years trading
- Registered office
- 47 Field Lane,, Field Lane, Birmingham, B32 3JT
- Nature of business
- Construction of railways and underground railways
O & S Rail Limited is a 11-year-old private limited company registered in Birmingham, company number 09298396, one of 278 civil engineering contractors in Birmingham. Companies House shows its accounts as overdue: they were due on 31 August 2026.
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 £37K (+854.8%) on the year before, to £41K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £89K against £48K owed within a year: 1.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £41K | £3,637 | £89K | £48K | 1 |
| 30 Nov 2023 | £4,278 | £2,691 | £57K | £53K | 1 |
| 30 Nov 2022 | £2,664 | £6,357 | £65K | £63K | 1 |
| 30 Nov 2021 | £6,562 | £35K | £83K | £77K | 1 |
| 30 Nov 2020 | £3,388 | £30K | £84K | £81K | 1 |
| 30 Nov 2019 | £3,714 | £13K | £33K | £30K | 1 |
| 30 Nov 2018 | £21K | £28K | £39K | £19K | |
| 30 Nov 2017 | £29K | £41K | £45K | £17K | |
| 30 Nov 2016 | £18K | £45K | £49K | £31K | |
| 30 Nov 2015 | £9,120 | £26K | £36K | £27K |
Where O & S Rail Limited is registered
The registered office is in Birmingham (B32), in the Birmingham local authority area, West Midlands. Show B32 3JT on a map.
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What happens if O & S Rail Limited files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2026 to 30 Sep 2026 | £150 |
| 1 to 3 months late | 1 Oct 2026 to 30 Nov 2026 | £375 |
| 3 to 6 months late | 1 Dec 2026 to 28 Feb 2027 | £750 |
| More than 6 months late | From 1 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2027 | 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
- 09298396
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 November 2014 (11 years ago)
- Registered office
- 47 Field Lane,, Field Lane, Birmingham, B32 3JT
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 6 November 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 Birmingham
Other active civil engineering contractors registered in Birmingham.
- Om Tech World Ltd2024
- Omax Services UK Ltd2025
- Omb Contractors Limited2016
- One Call TM Services UK Ltd2023
- Opticore Solutions Ltd2025
- P A Electrical Services (Midlands) Ltd2014
- P.J. Southall Limited2008
- Pamiri Energy UK Ltd2026
All civil engineering contractors in Birmingham · All trades in Birmingham · Civil engineering across the UK
Frequently asked questions
When are O & S Rail Limited's accounts due?
O & S Rail Limited's accounts were due at Companies House on 31 August 2026 and the register shows them as overdue.
When is O & S Rail Limited's CT600 due?
The CT600 for the period to 30 November 2025 is due at HMRC by 30 November 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2026.
Is O & S Rail Limited still trading?
O & S Rail Limited is listed as active on the Companies House register (checked 14 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 O & S Rail Limited do?
O & S Rail Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is O & S Rail Limited?
O & S Rail Limited was incorporated on 6 November 2014, 11 years ago.
What is the penalty if O & S 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 O & S Rail Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 14 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.