- Companies
- Civil engineering
- Glasgow
- PLN Engineering Ltd
PLN Engineering Ltd
- Company number
- SC866922
- Incorporated
- 20 Oct 2025
- Registered office
- 78 Aurs Crescent, Barrhead, Glasgow, G78 2LX
- Nature of business
- Construction of railways and underground railways; Operation of rail passenger facilities at railway stations
PLN Engineering Ltd is a newly incorporated private limited company registered in Glasgow, company number SC866922, one of 258 civil engineering contractors in Glasgow. Its next accounts are due at Companies House on 20 July 2027, and its first CT600 is due at HMRC on 19 October 2027.
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.
Is this your company?
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Where PLN Engineering Ltd is registered
The registered office is in Glasgow (G78), in the East Renfrewshire local authority area, Scotland. Show G78 2LX on a map.
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What happens if PLN 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 20 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Jul 2027 to 20 Aug 2027 | £150 |
| 1 to 3 months late | 21 Aug 2027 to 20 Oct 2027 | £375 |
| 3 to 6 months late | 21 Oct 2027 to 20 Jan 2028 | £750 |
| More than 6 months late | From 21 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- SC866922
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 October 2025
- Registered office
- 78 Aurs Crescent, Barrhead, Glasgow, G78 2LX
- Nature of business
- Construction of railways and underground railways (SIC 42120)
Operation of rail passenger facilities at railway stations (SIC 52212) - Year end
- 31 October (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.
- PMCM Resources Limited2009
- PMK Construction Limited2008
- Pmrail Ltd2021
- Presindential Surfacing Ltd2025
- QLL Telecom Limited2025
- Quinn Utilities Ltd2014
- R & D Ki Limited2013
- R. Scott Allan Limited1987
All civil engineering contractors in Glasgow · All trades in Glasgow · Civil engineering across the UK
Frequently asked questions
When are PLN Engineering Ltd's accounts due?
PLN Engineering Ltd's next accounts are due at Companies House by 20 July 2027 (in 281 days), covering the period to 31 October 2026.
When is PLN Engineering 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 19 October 2026, due by 19 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is PLN Engineering Ltd still trading?
PLN 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 PLN Engineering Ltd do?
PLN Engineering Ltd is registered under Construction of railways and underground railways (SIC 42120); Operation of rail passenger facilities at railway stations (SIC 52212).
How old is PLN Engineering Ltd?
PLN Engineering Ltd was incorporated on 20 October 2025, less than a year ago.
What is the penalty if PLN 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 PLN 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.