- Companies
- Installers
- Alness
- RT-Welding Services Ltd
RT-Welding Services Ltd
- Company number
- SC834983
- Incorporated
- 22 Jan 20251 year trading
- Registered office
- 6 David Oag Grove, Alness, IV17 0WS
- Nature of business
- Other construction installation
RT-Welding Services Ltd is a 1-year-old private limited company registered in Alness, company number SC834983, one of the UK's installation companies (insulation, lifts, shutters and similar). Its next accounts are due at Companies House on 22 October 2026, and its first CT600 is due at HMRC on 21 January 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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Financial snapshot, 2026
From the balance sheet at 31 January 2026, as filed at Companies House.
Where RT-Welding Services Ltd is registered
The registered office is in Alness (IV17), in the Highland local authority area, Scotland. Show IV17 0WS on a map.
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- LM Plumbing and Heating Services LtdPlumbers and heating engineers
- Macdonald Access LtdSpecialist contractors
- E Henderson Electrical LtdElectricians
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- G Force Electrical Solutions LtdMachinery repair and installation
What happens if RT-Welding Services 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 22 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 23 Oct 2026 to 22 Nov 2026 | £150 |
| 1 to 3 months late | 23 Nov 2026 to 22 Jan 2027 | £375 |
| 3 to 6 months late | 23 Jan 2027 to 22 Apr 2027 | £750 |
| More than 6 months late | From 23 Apr 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
- SC834983
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 January 2025 (1 year ago)
- Registered office
- 6 David Oag Grove, Alness, IV17 0WS
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 21 January 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Alness
Other active installation companies (insulation, lifts, shutters and similar) registered in Alness.
All installation companies (insulation, lifts, shutters and similar) in Alness · All trades in Alness · Installers across the UK
Frequently asked questions
When are RT-Welding Services Ltd's accounts due?
RT-Welding Services Ltd's next accounts are due at Companies House by 22 October 2026 (in 10 days), covering the period to 31 January 2026.
When is RT-Welding Services 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 21 January 2026, due by 21 January 2027, 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 RT-Welding Services Ltd still trading?
RT-Welding Services 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 RT-Welding Services Ltd do?
RT-Welding Services Ltd is registered under Other construction installation (SIC 43290).
How old is RT-Welding Services Ltd?
RT-Welding Services Ltd was incorporated on 22 January 2025, 1 year ago.
What is the penalty if RT-Welding Services 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 RT-Welding Services 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.