- Companies
- Civil engineering
- MTN Groundworks Ltd
MTN Groundworks Ltd
- Company number
- NI724363
- Incorporated
- 5 Dec 20241 year trading
- Registered office
- 122A Moore Street, Aughnacloy, County Tyrone, BT69 6AA
- Nature of business
- Construction of other civil engineering projects n.e.c.
MTN Groundworks Ltd is a 1-year-old private limited company registered in Aughnacloy, company number NI724363, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House.
Where MTN Groundworks Ltd is registered
The registered office is in Aughnacloy (BT69), in the Mid Ulster local authority area, Northern Ireland. Show BT69 6AA on a map.
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Also registered at this address
1 other company uses the same registered office as MTN Groundworks Ltd.
- Yakuza Imports LtdMotor traders
What happens if MTN Groundworks 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- NI724363
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 December 2024 (1 year ago)
- Registered office
- 122A Moore Street, Aughnacloy, County Tyrone, BT69 6AA
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 4 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
Other active civil engineering contractors.
Frequently asked questions
When are MTN Groundworks Ltd's accounts due?
MTN Groundworks Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is MTN Groundworks Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is MTN Groundworks Ltd still trading?
MTN Groundworks 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 MTN Groundworks Ltd do?
MTN Groundworks Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is MTN Groundworks Ltd?
MTN Groundworks Ltd was incorporated on 5 December 2024, 1 year ago.
What is the penalty if MTN Groundworks 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 MTN Groundworks 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.