GSG Construction Ltd
- Company number
- NI055981
- Incorporated
- 21 Jul 200521 years trading
- Registered office
- 56 Kilrea Road, Portglenone, BT44 8JB
- Nature of business
- Construction of domestic buildings
GSG Construction Ltd is a 21-year-old private limited company, company number NI055981, one of the UK's building contractors. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 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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Where GSG Construction Ltd is registered
The registered office is in the BT44 postcode district, in the Mid Ulster local authority area, Northern Ireland. Show BT44 8JB on a map.
Other trade companies in BT44
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- Renarsjk LtdCleaning companies
- O'Kane Industrial Systems LtdMachinery repair and installation
- Commercial Agri Structures LtdBuilders
- MCG Propco Whitehead LimitedProperty developers
- Amg Rib Repair Ireland LimitedMachinery repair and installation
- Suredry-NI LimitedPlumbers and heating engineers
- CSP and Maintenance LtdFinishing trades
What happens if GSG Construction 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- NI055981
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 July 2005 (21 years ago)
- Registered office
- 56 Kilrea Road, Portglenone, BT44 8JB
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 4 June 2026
- Charges (mortgages)
- 0 outstanding of 8 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
Other active building contractors.
Frequently asked questions
When are GSG Construction Ltd's accounts due?
GSG Construction Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is GSG Construction Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is GSG Construction Ltd still trading?
GSG Construction 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 GSG Construction Ltd do?
GSG Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is GSG Construction Ltd?
GSG Construction Ltd was incorporated on 21 July 2005, 21 years ago.
What is the penalty if GSG Construction 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 GSG Construction 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.