- Companies
- Civil engineering
- Stafford
- National Infrastructure Group Ltd
National Infrastructure Group Ltd
- Company number
- 15050890
- Incorporated
- 4 Aug 20233 years trading
- Registered office
- Jens Castlefields, Newport RD, Stafford, ST16 1BQ
- Nature of business
- Construction of railways and underground railways
National Infrastructure Group Ltd is a 3-year-old private limited company registered in Stafford, company number 15050890, one of 39 civil engineering contractors in Stafford. 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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Where National Infrastructure Group Ltd is registered
The registered office is in Stafford (ST16), in the Stafford local authority area, England. Show ST16 1BQ on a map.
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What happens if National Infrastructure Group Ltd 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
- 15050890
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 August 2023 (3 years ago)
- Registered office
- Jens Castlefields, Newport RD, Stafford, ST16 1BQ
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2024
- Last confirmation statement
- 3 August 2025
- Charges (mortgages)
- 1 outstanding of 1 registered
- Previous names
- Baugh Infrastructure Group Ltd (until 1 Nov 2023)
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 Stafford
Other active civil engineering contractors registered in Stafford.
- Newlyn Engineering Ltd2023
- P&A Wilkes Limited2023
- P.I.A. Housing Limited1999
- Pi Macdonald & Son Limited2004
- Pure Rail Solutions Ltd2020
- R.L. Davies Surfacing Limited1997
- Redas Ltd2023
- RH Power Management Solutions Ltd2026
All civil engineering contractors in Stafford · All trades in Stafford · Civil engineering across the UK
Frequently asked questions
When are National Infrastructure Group Ltd's accounts due?
National Infrastructure Group Ltd's accounts were due at Companies House on 31 August 2026 and the register shows them as overdue.
When is National Infrastructure Group 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 31 August 2025, due by 31 August 2026, and one for the period to 30 November 2025, due by 30 November 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is National Infrastructure Group Ltd still trading?
National Infrastructure Group Ltd is listed as active on the Companies House register (checked 12 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 National Infrastructure Group Ltd do?
National Infrastructure Group Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is National Infrastructure Group Ltd?
National Infrastructure Group Ltd was incorporated on 4 August 2023, 3 years ago.
What is the penalty if National Infrastructure Group 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 National Infrastructure Group Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.