- Companies
- Civil engineering
- Doncaster
- A.M Traffic Management Ltd
A.M Traffic Management Ltd
- Company number
- 16571670
- Incorporated
- 9 Jul 20251 year trading
- Registered office
- 174 Grampian Way, Thorne, Doncaster, DN8 5YW
- Nature of business
- Construction of roads and motorways
A.M Traffic Management Ltd is a 1-year-old private limited company registered in Doncaster, company number 16571670, one of 170 civil engineering contractors in Doncaster. Its next accounts are due at Companies House on 9 April 2027, and its first CT600 is due at HMRC on 8 July 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 A.M Traffic Management Ltd is registered
The registered office is in Doncaster (DN8), in the Doncaster local authority area, Yorkshire and The Humber. Show DN8 5YW on a map.
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What happens if A.M Traffic Management 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 9 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Apr 2027 to 9 May 2027 | £150 |
| 1 to 3 months late | 10 May 2027 to 9 Jul 2027 | £375 |
| 3 to 6 months late | 10 Jul 2027 to 9 Oct 2027 | £750 |
| More than 6 months late | From 10 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16571670
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 July 2025 (1 year ago)
- Registered office
- 174 Grampian Way, Thorne, Doncaster, DN8 5YW
- Nature of business
- Construction of roads and motorways (SIC 42110)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- A.T Groundworks and Civils Limited2026
- Ab Wind Limited2025
- Acr91 Ltd2023
- Aejl Ltd2025
- Alfa Scaffolding & Brickwork Limited2026
- Alto Construct Ltd2016
- Am Rigging Ltd2021
- Apm Engineering Solutions Ltd2026
All civil engineering contractors in Doncaster · All trades in Doncaster · Civil engineering across the UK
Frequently asked questions
When are A.M Traffic Management Ltd's accounts due?
A.M Traffic Management Ltd's next accounts are due at Companies House by 9 April 2027 (in 178 days), covering the period to 31 July 2026.
When is A.M Traffic Management 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 8 July 2026, due by 8 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is A.M Traffic Management Ltd still trading?
A.M Traffic Management Ltd is listed as active on the Companies House register (checked 13 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 A.M Traffic Management Ltd do?
A.M Traffic Management Ltd is registered under Construction of roads and motorways (SIC 42110).
How old is A.M Traffic Management Ltd?
A.M Traffic Management Ltd was incorporated on 9 July 2025, 1 year ago.
What is the penalty if A.M Traffic Management 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 A.M Traffic Management Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.