- Companies
- Specialist contractors
- Cwmbran
- TSG Mechanical Limited
TSG Mechanical Limited
- Company number
- 08185825
- Incorporated
- 21 Aug 201214 years trading
- Registered office
- Block 3, Withey Court, Ty Coch Way, Cwmbran, NP44 7EZ
- Nature of business
- Other specialised construction activities n.e.c.
TSG Mechanical Limited is a 14-year-old private limited company registered in Cwmbran, company number 08185825, one of 29 specialist construction companies in Cwmbran. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 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 £43K (+414.9%) on the year before, to £53K.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £198K against £144K owed within a year: 1.4 times cover.
- 5 employees on average, down from 7 the year before.
- Balance sheets on record for 7 years, 2018 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2024 | £53K | £169K | £198K | £144K | 5 |
| 29 Oct 2023 | £10K | £215K | £196K | 7 | |
| 29 Oct 2022 | £8,263 | £223K | £207K | 6 | |
| 29 Oct 2021 | £20K | £86K | £77K | 6 | |
| 30 Oct 2020 | £5,435 | £369K | £334K | 6 | |
| 31 Oct 2019 | £126K | £152K | £283K | 6 | |
| 31 Oct 2018 | £24K | £165K | £170K | 8 |
Where TSG Mechanical Limited is registered
The registered office is in Cwmbran (NP44), in the Torfaen local authority area, Wales. Show NP44 7EZ on a map.
Other trade companies in NP44
- Compliant Fire Safety Solutions LtdInstallers
- V&K Solutions LimitedCivil engineering
- Pure Clean by Nichola LtdCleaning companies
- Amsof LimitedPlumbers and heating engineers
- Marchant Home Solutions Ltd LtdBuilders
- True Level Concrete LtdBuilders
- A2Z Tech LimitedMachinery repair and installation
- Days Ventilation Solutions LtdPlumbers and heating engineers
Also registered at this address
1 other company uses the same registered office as TSG Mechanical Limited.
- TSG Maintenance LtdLandscapers and gardeners
What happens if TSG Mechanical 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 08185825
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 August 2012 (14 years ago)
- Registered office
- Block 3, Withey Court, Ty Coch Way, Cwmbran, NP44 7EZ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 21 August 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Cwmbran
Other active specialist construction companies registered in Cwmbran.
- Volts Training and Specialist Services Ltd2024
- Woodrise Access Ltd2020
- A Roche Services Limited2018
- Avondale Exhibitions Limited2009
- Cbuildr Limited2021
- Cementorious Construction Ltd2020
- Choose Solution Ltd2025
- Complete Kitchens Limited1996
All specialist construction companies in Cwmbran · All trades in Cwmbran · Specialist contractors across the UK
Frequently asked questions
When are TSG Mechanical Limited's accounts due?
TSG Mechanical Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is TSG Mechanical 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 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is TSG Mechanical Limited still trading?
TSG Mechanical Limited is listed as active on the Companies House register (checked 13 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 TSG Mechanical Limited do?
TSG Mechanical Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is TSG Mechanical Limited?
TSG Mechanical Limited was incorporated on 21 August 2012, 14 years ago.
What is the penalty if TSG Mechanical 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 TSG Mechanical Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.