- Companies
- Plumbers and heating engineers
- Glasgow
- William Smith Heating Solutions Scotland Limited
William Smith Heating Solutions Scotland Limited
- Company number
- SC422624
- Incorporated
- 24 Apr 201214 years trading
- Registered office
- Unit 33-34 Anniesland Industrial Estate, Anniesland, Glasgow, Lanarkshire, G13 1EU
- Nature of business
- Plumbing, heat and air-conditioning installation
William Smith Heating Solutions Scotland Limited is a 14-year-old private limited company registered in Glasgow, company number SC422624, one of 515 plumbing and heating companies in Glasgow. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £4,040 (+3%) on the year before, to £140K.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £103K against £1,485 owed within a year: more than 10 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £140K | £103K | £1,485 | 3 | |
| 30 Apr 2024 | £135K | £101K | £985 | 3 | |
| 30 Apr 2023 | £133K | £100K | £1,015 | 3 | |
| 30 Apr 2022 | £127K | £97K | £1,315 | 3 | |
| 30 Apr 2021 | £112K | £90K | £1,976 | 3 | |
| 30 Apr 2020 | £96K | £85K | £6,968 | 3 | |
| 30 Apr 2019 | £58K | £58K | £13K | ||
| 30 Apr 2018 | £17K | £17K | £20K | ||
| 30 Apr 2017 | -£57K | £15K | £100K | ||
| 30 Apr 2016 | -£154K | £4,382 | £12K | £170K |
Where William Smith Heating Solutions Scotland Limited is registered
The registered office is in Glasgow (G13), in the Glasgow City local authority area, Scotland. Show G13 1EU on a map.
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What happens if William Smith Heating Solutions Scotland 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- SC422624
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 April 2012 (14 years ago)
- Registered office
- Unit 33-34 Anniesland Industrial Estate, Anniesland, Glasgow, Lanarkshire, G13 1EU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 26 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 Glasgow
Other active plumbing and heating companies registered in Glasgow.
- Willis-West Plumbing & Heating Ltd2011
- Wilson Bathroom and Heating Improvements Ltd2024
- Wilson Bathroom Company Ltd.2016
- Windfarm Power Limited2024
- WM. Donnelly & Company Limited1993
- Woodilee Gas Services Ltd2020
- Wright Gas (Scotland) Ltd2017
- Yarrow Energy Group Ltd2025
All plumbing and heating companies in Glasgow · All trades in Glasgow · Plumbers and heating engineers across the UK
Frequently asked questions
When are William Smith Heating Solutions Scotland Limited's accounts due?
William Smith Heating Solutions Scotland Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is William Smith Heating Solutions Scotland Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is William Smith Heating Solutions Scotland Limited still trading?
William Smith Heating Solutions Scotland 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 William Smith Heating Solutions Scotland Limited do?
William Smith Heating Solutions Scotland Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is William Smith Heating Solutions Scotland Limited?
William Smith Heating Solutions Scotland Limited was incorporated on 24 April 2012, 14 years ago.
What is the penalty if William Smith Heating Solutions Scotland 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 William Smith Heating Solutions Scotland 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.