- Companies
- Civil engineering
- Tenby
- Quinn McGrath Civil Engineering Ltd
Quinn McGrath Civil Engineering Ltd
- Company number
- 10640975
- Incorporated
- 27 Feb 20179 years trading
- Registered office
- 9 Brook Meadows, Sageston, Tenby, SA70 8SS
- Nature of business
- Construction of roads and motorways; Construction of other civil engineering projects n.e.c.
Quinn McGrath Civil Engineering Ltd is a 9-year-old private limited company registered in Tenby, company number 10640975, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £282 (-83.4%) on the year before, to £56.
- Net assets rose in 1 of 7 year-on-year comparisons on record.
- Current assets of £38K against £37K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £56 | £1,481 | £38K | £37K | 1 |
| 29 Feb 2024 | £338 | £1,997 | £30K | £25K | 1 |
| 28 Feb 2023 | £9,292 | £21K | £43K | £26K | 2 |
| 28 Feb 2022 | £484 | £2,118 | £38K | £28K | 2 |
| 28 Feb 2021 | £757 | £13K | £25K | £10K | 2 |
| 29 Feb 2020 | £862 | £133 | £11K | £10K | 2 |
| 28 Feb 2019 | £6,022 | £9,957 | £22K | £16K | 2 |
| 28 Feb 2018 | £13K | £9,654 | £22K | £9,207 | 2 |
Where Quinn McGrath Civil Engineering Ltd is registered
The registered office is in Tenby (SA70), in the Pembrokeshire local authority area, Wales. Show SA70 8SS on a map.
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What happens if Quinn McGrath Civil Engineering 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 10640975
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 February 2017 (9 years ago)
- Registered office
- 9 Brook Meadows, Sageston, Tenby, SA70 8SS
- Nature of business
- Construction of roads and motorways (SIC 42110)
Construction of other civil engineering projects n.e.c. (SIC 42990) - Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 10 November 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 in Tenby
Other active civil engineering contractors registered in Tenby.
All civil engineering contractors in Tenby · All trades in Tenby · Civil engineering across the UK
Frequently asked questions
When are Quinn McGrath Civil Engineering Ltd's accounts due?
Quinn McGrath Civil Engineering Ltd's next accounts are due at Companies House by 30 November 2026 (in 47 days), covering the period to 28 February 2026.
When is Quinn McGrath Civil Engineering Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Quinn McGrath Civil Engineering Ltd still trading?
Quinn McGrath Civil Engineering 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 Quinn McGrath Civil Engineering Ltd do?
Quinn McGrath Civil Engineering Ltd is registered under Construction of roads and motorways (SIC 42110); Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Quinn McGrath Civil Engineering Ltd?
Quinn McGrath Civil Engineering Ltd was incorporated on 27 February 2017, 9 years ago.
What is the penalty if Quinn McGrath Civil Engineering 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 Quinn McGrath Civil Engineering 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.