- Companies
- Plumbers and heating engineers
- Edinburgh
- Grierson & Co Ltd
Grierson & Co Ltd
- Company number
- SC847723
- Incorporated
- 7 May 20251 year trading
- Registered office
- Summit House, 4 - 5 Mitchell Street, Edinburgh, EH6 7BD
- Nature of business
- Plumbing, heat and air-conditioning installation
Grierson & Co Ltd is a 1-year-old private limited company registered in Edinburgh, company number SC847723, one of 176 plumbing and heating companies in Edinburgh. Its next accounts are due at Companies House on 7 February 2027, and its first CT600 is due at HMRC on 6 May 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.
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Where Grierson & Co Ltd is registered
The registered office is in Edinburgh (EH6), in the City of Edinburgh local authority area, Scotland. Show EH6 7BD on a map.
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Shared registered office
45 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Grierson & Co 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 7 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 8 Feb 2027 to 7 Mar 2027 | £150 |
| 1 to 3 months late | 8 Mar 2027 to 7 May 2027 | £375 |
| 3 to 6 months late | 8 May 2027 to 7 Aug 2027 | £750 |
| More than 6 months late | From 8 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- SC847723
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 May 2025 (1 year ago)
- Registered office
- Summit House, 4 - 5 Mitchell Street, Edinburgh, EH6 7BD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 6 May 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 Edinburgh
Other active plumbing and heating companies registered in Edinburgh.
- Gsa Bathrooms Ltd2025
- Haggart Plumbers Ltd2022
- Hanton Heating Services Limited2014
- Heat Tech Scotland Ltd2023
- Heatfactors Limited1982
- Heatflo Solutions Ltd2026
- Heatmasters (Scotland) Ltd2025
- Heatsource Plumbing & Heating Limited2015
All plumbing and heating companies in Edinburgh · All trades in Edinburgh · Plumbers and heating engineers across the UK
Frequently asked questions
When are Grierson & Co Ltd's accounts due?
Grierson & Co Ltd's next accounts are due at Companies House by 7 February 2027 (in 116 days), covering the period to 31 May 2026.
When is Grierson & Co 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 6 May 2026, due by 6 May 2027, and one for the period to 31 May 2026, due by 31 May 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Grierson & Co Ltd still trading?
Grierson & Co 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 Grierson & Co Ltd do?
Grierson & Co Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Grierson & Co Ltd?
Grierson & Co Ltd was incorporated on 7 May 2025, 1 year ago.
What is the penalty if Grierson & Co 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 Grierson & Co 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.