- Companies
- Plumbers and heating engineers
- Greenock
- Grierson Plumbing Limited
Grierson Plumbing Limited
- Company number
- SC657491
- Incorporated
- 16 Mar 20206 years trading
- Registered office
- 15 Watt Street, Greenock, PA16 8JN
- Nature of business
- Plumbing, heat and air-conditioning installation
Grierson Plumbing Limited is a 6-year-old private limited company registered in Greenock, company number SC657491, one of 12 plumbing and heating companies in Greenock. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 up £34K (+45%) on the year before, to £108K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £131K against £23K owed within a year: 5.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £108K | £131K | £23K | 1 | |
| 31 Mar 2024 | £75K | £93K | £19K | 1 | |
| 31 Mar 2023 | £75K | £98K | £23K | 1 | |
| 31 Mar 2022 | £59K | £85K | £26K | 1 | |
| 31 Mar 2021 | £18K | £31K | £13K | 1 |
Who runs and owns Grierson Plumbing Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| C*** G*** | Director | Mar 2020 |
Person with significant control
Where Grierson Plumbing Limited is registered
The registered office is in Greenock (PA16), in the Inverclyde local authority area, Scotland. Show PA16 8JN on a map.
Other trade companies in PA16
- Doherty Network Services LtdCivil engineering
- 0708 Property LtdFinishing trades
- Adamsons Property Maintenance LtdCleaning companies
- C Sharp LtdSpecialist contractors
- Samgail HVAC Solutions LtdPlumbers and heating engineers
- Agaz Sparkles LtdCleaning companies
- Newark Civils LtdCivil engineering
- PM Gas Services LimitedPlumbers and heating engineers
Also registered at this address
1 other company uses the same registered office as Grierson Plumbing Limited.
- Mach3 Ltd.Joiners and carpenters
What happens if Grierson Plumbing Limited 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- SC657491
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 March 2020 (6 years ago)
- Registered office
- 15 Watt Street, Greenock, PA16 8JN
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 15 March 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Greenock
Other active plumbing and heating companies registered in Greenock.
- Mooreheat Ltd2012
- PM Gas Services Limited2026
- Protec Plumbing & Heating (Scotland) Ltd2018
- Samgail HVAC Solutions Ltd2026
- Stevenson FMS Ltd2025
- Allan Plumbing & Heating Ltd2020
- Aquathin (Scotland) Limited2006
- C.A. Bathrooms Limited2013
All plumbing and heating companies in Greenock · All trades in Greenock · Plumbers and heating engineers across the UK
Frequently asked questions
When are Grierson Plumbing Limited's accounts due?
Grierson Plumbing Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Grierson Plumbing Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Grierson Plumbing Limited still trading?
Grierson Plumbing Limited 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 Grierson Plumbing Limited do?
Grierson Plumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Grierson Plumbing Limited?
Grierson Plumbing Limited was incorporated on 16 March 2020, 6 years ago.
Who runs Grierson Plumbing Limited?
Grierson Plumbing Limited has 1 active director, the longest-serving appointed in Mar 2020. Their names and service addresses are on the Companies House register.
Who owns Grierson Plumbing Limited?
One person or company has significant control of Grierson Plumbing Limited: an individual (owns 75% or more of the shares).
What is the penalty if Grierson Plumbing Limited 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 Grierson Plumbing Limited 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.