- Companies
- Civil engineering
- Doncaster
- DW Rail Testing Ltd
DW Rail Testing Ltd
- Company number
- 16335512
- Incorporated
- 23 Mar 20251 year trading
- Registered office
- 9 Scotsman Drive, Doncaster, DN5 9JA
- Nature of business
- Construction of other civil engineering projects n.e.c.
DW Rail Testing Ltd is a 1-year-old private limited company registered in Doncaster, company number 16335512, one of 170 civil engineering contractors in Doncaster. Its next accounts are due at Companies House on 23 December 2026, and its first CT600 is due at HMRC on 22 March 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where DW Rail Testing Ltd is registered
The registered office is in Doncaster (DN5), in the Doncaster local authority area, Yorkshire and The Humber. Show DN5 9JA on a map.
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What happens if DW Rail Testing 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 23 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Dec 2026 to 23 Jan 2027 | £150 |
| 1 to 3 months late | 24 Jan 2027 to 23 Mar 2027 | £375 |
| 3 to 6 months late | 24 Mar 2027 to 23 Jun 2027 | £750 |
| More than 6 months late | From 24 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 16335512
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 March 2025 (1 year ago)
- Registered office
- 9 Scotsman Drive, Doncaster, DN5 9JA
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 22 March 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 Doncaster
Other active civil engineering contractors registered in Doncaster.
- Eco Power Water Solutions Ltd2025
- Elite Civils Limited2021
- Engineering Planning Ltd2015
- Envy Drive Ltd2023
- Euro Liners Ltd2026
- Falgate Civil Engineering Ltd2015
- Farview Limited2019
- FJP Capital Ltd2019
All civil engineering contractors in Doncaster · All trades in Doncaster · Civil engineering across the UK
Frequently asked questions
When are DW Rail Testing Ltd's accounts due?
DW Rail Testing Ltd's next accounts are due at Companies House by 23 December 2026 (in 72 days), covering the period to 31 March 2026.
When is DW Rail Testing Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 22 March 2026, due by 22 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is DW Rail Testing Ltd still trading?
DW Rail Testing 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 DW Rail Testing Ltd do?
DW Rail Testing Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is DW Rail Testing Ltd?
DW Rail Testing Ltd was incorporated on 23 March 2025, 1 year ago.
What is the penalty if DW Rail Testing 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 DW Rail Testing 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.