- Companies
- Civil engineering
- Cardiff
- S.R.James Rail Welding Limited
S.R.James Rail Welding Limited
- Company number
- 13044761
- Incorporated
- 26 Nov 20205 years trading
- Registered office
- 45 Gough Road, Cardiff, South Glamorgan, CF5 4GZ
- Nature of business
- Construction of railways and underground railways
S.R.James Rail Welding Limited is a 5-year-old private limited company registered in Cardiff, company number 13044761, one of 89 civil engineering contractors in Cardiff. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 up £625 (+28.9%) on the year before, to £2,791.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £39K against £32K owed within a year: 1.2 times cover.
- 1 employee on average during the year.
- 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | £2,791 | £39K | £32K | 1 | |
| 30 Nov 2024 | £2,166 | £26K | £21K | 1 | |
| 30 Nov 2023 | £3,117 | £20K | £14K | 1 | |
| 30 Nov 2022 | £187 | £8,994 | £7,747 | 1 | |
| 30 Nov 2021 | £1,510 | £5,632 | £4,122 | 1 |
Who runs and owns S.R.James Rail Welding Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| S*** J*** | Director | Nov 2020 |
Person with significant control
Where S.R.James Rail Welding Limited is registered
The registered office is in Cardiff (CF5), in the Cardiff local authority area, Wales. Show CF5 4GZ on a map.
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What happens if S.R.James Rail Welding 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 13044761
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 November 2020 (5 years ago)
- Registered office
- 45 Gough Road, Cardiff, South Glamorgan, CF5 4GZ
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 17 December 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 Cardiff
Other active civil engineering contractors registered in Cardiff.
- SG Traders Limited2025
- Sherwood Groundworks Limited2020
- Smith Choice Engineering Ltd2021
- Standen Geospatial Ltd2020
- Swift Utility and Civil Engineering Services Limited2014
- Tekniq Engineering Ltd2026
- Thane Cemetery Supplies Limited2006
- Thortech International Ltd2023
All civil engineering contractors in Cardiff · All trades in Cardiff · Civil engineering across the UK
Frequently asked questions
When are S.R.James Rail Welding Limited's accounts due?
S.R.James Rail Welding Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is S.R.James Rail Welding Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is S.R.James Rail Welding Limited still trading?
S.R.James Rail Welding 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 S.R.James Rail Welding Limited do?
S.R.James Rail Welding Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is S.R.James Rail Welding Limited?
S.R.James Rail Welding Limited was incorporated on 26 November 2020, 5 years ago.
Who runs S.R.James Rail Welding Limited?
S.R.James Rail Welding Limited has 1 active director, the longest-serving appointed in Nov 2020. Their names and service addresses are on the Companies House register.
Who owns S.R.James Rail Welding Limited?
One person or company has significant control of S.R.James Rail Welding Limited: an individual (owns 75% or more of the shares).
What is the penalty if S.R.James Rail Welding 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 S.R.James Rail Welding 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.