- Companies
- Civil engineering
- Glasgow
- Gwac Communications Ltd
Gwac Communications Ltd
- Company number
- SC782262
- Incorporated
- 12 Sep 20233 years trading
- Registered office
- 34 Halley Street, Glasgow, G13 4DJ
- Nature of business
- Construction of utility projects for electricity and telecommunications
Gwac Communications Ltd is a 3-year-old private limited company registered in Glasgow, company number SC782262, one of 258 civil engineering contractors in Glasgow. Companies House shows its accounts as overdue: they were due on 12 June 2025.
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 Gwac Communications Ltd is registered
The registered office is in Glasgow (G13), in the Glasgow City local authority area, Scotland. Show G13 4DJ on a map.
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What happens if Gwac Communications Ltd files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 13 Jun 2025 to 12 Jul 2025 | £150 |
| 1 to 3 months late | 13 Jul 2025 to 12 Sep 2025 | £375 |
| 3 to 6 months late | 13 Sep 2025 to 12 Dec 2025 | £750 |
| More than 6 months late | From 13 Dec 2025 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2025 | £200 |
| 3 months late | 30 Dec 2025 | another £200 |
| 6 months late | 30 Mar 2026 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2026 | 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
- SC782262
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 September 2023 (3 years ago)
- Registered office
- 34 Halley Street, Glasgow, G13 4DJ
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 30 September (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 Glasgow
Other active civil engineering contractors registered in Glasgow.
- Halliday Construction Limited2015
- Harcon (Scotland) Limited2017
- Highland Rail Services Ltd2021
- HJD Groundworks Ltd2017
- How MGT Ltd2021
- Hugh Riley Surfacing Contractors Limited2016
- Ice Company Holdings Ltd2022
- Indie Construction and Civils Ltd2023
All civil engineering contractors in Glasgow · All trades in Glasgow · Civil engineering across the UK
Frequently asked questions
When are Gwac Communications Ltd's accounts due?
Gwac Communications Ltd's accounts were due at Companies House on 12 June 2025 and the register shows them as overdue.
When is Gwac Communications 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 11 September 2024, due by 11 September 2025, and one for the period to 30 September 2024, due by 30 September 2025. Corporation tax is payable 9 months and 1 day after the end of each.
Is Gwac Communications Ltd still trading?
Gwac Communications 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 Gwac Communications Ltd do?
Gwac Communications Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Gwac Communications Ltd?
Gwac Communications Ltd was incorporated on 12 September 2023, 3 years ago.
What is the penalty if Gwac Communications 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 Gwac Communications 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.