- Companies
- Machinery repair and installation
- Cardiff
- Smoke-Tec Services Limited
Smoke-Tec Services Limited
- Company number
- 12305749
- Incorporated
- 8 Nov 20196 years trading
- Registered office
- 33 Avonridge, Thornhill, Cardiff, CF14 9AU
- Nature of business
- Repair of electrical equipment; Other specialised construction activities n.e.c.
Smoke-Tec Services Limited is a 6-year-old private limited company registered in Cardiff, company number 12305749, one of 137 machinery repair and installation companies in Cardiff. Its next accounts are due at Companies House on 30 November 2026, and its first CT600 is due at HMRC on 30 November 2026.
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 £242K (+212.8%) on the year before, to £355K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £498K against £179K owed within a year: 2.8 times cover.
- 4 employees on average, up from 0 the year before.
- Balance sheets on record for 5 years, 2020 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £355K | £258K | £498K | £179K | 4 |
| 30 Nov 2023 | £114K | £171K | £87K | 0 | |
| 30 Nov 2022 | £114K | £171K | £87K | 0 | |
| 30 Nov 2021 | £63K | £101K | £39K | 1 | |
| 30 Nov 2020 | £84K | £4,800 | £0 | 2 |
Where Smoke-Tec Services Limited is registered
The registered office is in Cardiff (CF14), in the Cardiff local authority area, Wales. Show CF14 9AU on a map.
Other trade companies in CF14
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- Premierroofcare LtdRoofers
- JLG Groundworks LtdCleaning companies
- Tidyvibz LtdCleaning companies
- Ayyappa MTD LtdBuilders
- KM Phoenix Pond, Garden & General Maintenance LtdLandscapers and gardeners
- Eco Green Property Service LtdFinishing trades
- S and J Accident Repairs LtdPainters and decorators
What happens if Smoke-Tec Services 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 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
- 12305749
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 November 2019 (6 years ago)
- Registered office
- 33 Avonridge, Thornhill, Cardiff, CF14 9AU
- Nature of business
- Repair of electrical equipment (SIC 33140)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 November (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 13 November 2025
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Cardiff
Other active machinery repair and installation companies registered in Cardiff.
- South Wales Equipment Limited2017
- Speed's Halfway Garage Ltd2015
- ST Electrical Engineering Services Ltd2025
- Strike Light Technical Limited2010
- Stromberg Trading Ltd2018
- T.M Property Maintenance Ltd2025
- Taylor Site Services Limited2003
- TDJ Group Ltd2021
All machinery repair and installation companies in Cardiff · All trades in Cardiff · Machinery repair and installation across the UK
Frequently asked questions
When are Smoke-Tec Services Limited's accounts due?
Smoke-Tec Services Limited's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Smoke-Tec Services Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 November 2025, due by 30 November 2026, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Smoke-Tec Services Limited still trading?
Smoke-Tec Services 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 Smoke-Tec Services Limited do?
Smoke-Tec Services Limited is registered under Repair of electrical equipment (SIC 33140); Other specialised construction activities n.e.c. (SIC 43999).
How old is Smoke-Tec Services Limited?
Smoke-Tec Services Limited was incorporated on 8 November 2019, 6 years ago.
What is the penalty if Smoke-Tec Services 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 Smoke-Tec Services 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.