- Company number
- NI717407
- Incorporated
- 24 Jun 20242 years trading
- Registered office
- 41 Groggan Road, Randalstown, Antrim, BT41 3JH
- Nature of business
- Construction of domestic buildings
Wilson Mills & Son (Building Contractor) Ltd is a 2-year-old private limited company registered in Antrim, company number NI717407, one of 32 building contractors in Antrim. Its next accounts are due at Companies House on 30 April 2027, and its first CT600 is due at HMRC on 30 June 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 30 June 2025, as filed at Companies House.
Where Wilson Mills & Son (Building Contractor) Ltd is registered
The registered office is in Antrim (BT41), in the Antrim and Newtownabbey local authority area, Northern Ireland. Show BT41 3JH on a map.
Other trade companies in BT41
- Artlone Utilities LtdMachinery repair and installation
- LGC Contracts LtdBuilders
- GM Homes & Property LimitedProperty developers
- McCombe Construction LtdBuilders
- C.S.Spray.Worx LimitedPainters and decorators
- Cuttin An'trimmin LtdLandscapers and gardeners
- M3 Fitout LimitedInstallers
- PCR Property Developments LimitedBuilders
What happens if Wilson Mills & Son (Building Contractor) 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 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
- NI717407
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 June 2024 (2 years ago)
- Registered office
- 41 Groggan Road, Randalstown, Antrim, BT41 3JH
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 23 June 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Antrim
Other active building contractors registered in Antrim.
- 3 Construction Limited2024
- Ambar Fire & Security Systems Ltd2025
- Asn Construction Ltd2017
- Belone Technical Limited2004
- BLDR Ltd2015
- Briermount Properties Ltd2018
- Buildrite Construction & Maintenance Ltd2019
- Church Road Enterprises Limited2017
All building contractors in Antrim · All trades in Antrim · Builders across the UK
Frequently asked questions
When are Wilson Mills & Son (Building Contractor) Ltd's accounts due?
Wilson Mills & Son (Building Contractor) Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Wilson Mills & Son (Building Contractor) 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 30 June 2026, due by 30 June 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 Wilson Mills & Son (Building Contractor) Ltd still trading?
Wilson Mills & Son (Building Contractor) 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 Wilson Mills & Son (Building Contractor) Ltd do?
Wilson Mills & Son (Building Contractor) Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Wilson Mills & Son (Building Contractor) Ltd?
Wilson Mills & Son (Building Contractor) Ltd was incorporated on 24 June 2024, 2 years ago.
What is the penalty if Wilson Mills & Son (Building Contractor) 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 Wilson Mills & Son (Building Contractor) 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.