- Company number
- SC884188
- Incorporated
- 27 Mar 2026
- Registered office
- 23 George Street, Dumfries, Dumfriesshire, DG1 1EA
- Nature of business
- Construction of commercial buildings
Sia Steel Erection & Cladding Ltd is a newly incorporated private limited company registered in Dumfries, company number SC884188, one of 28 building contractors in Dumfries. Its next accounts are due at Companies House on 27 December 2027, and its first CT600 is due at HMRC on 26 March 2028.
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 Sia Steel Erection & Cladding Ltd is registered
The registered office is in Dumfries (DG1), in the Dumfries and Galloway local authority area, Scotland. Show DG1 1EA on a map.
Other trade companies in DG1
- Rooftek Roofing LtdRoofers
- K&M Tyre Services LtdMechanics and garages
- Rory Porteous Plumbing & Heating LimitedPlumbers and heating engineers
- Unique Landscapes & Stonecraft LimitedSpecialist contractors
- Eml Garage Car Sales LtdMotor traders
- Dca Contracting LimitedSpecialist contractors
- Dbdoorsandfloors LimitedJoiners and carpenters
- Ingram Electrical & Property Services LtdMachinery repair and installation
Also registered at this address
13 other companies use the same registered office as Sia Steel Erection & Cladding Ltd.
- A M Plumbing LimitedPlumbers and heating engineers
- Carson Landscapes LimitedLandscapers and gardeners
- Carsons Tree Surgery LimitedLandscapers and gardeners
- Donnan Construction LimitedCivil engineering
- Fortnum & Woolley LimitedBuilders
- Huntingdon Garage LimitedMotor traders
- KD Muirhead LimitedPlumbers and heating engineers
- McKeown Groundworks LimitedGroundworks and demolition
- Milroy Heating LtdPlumbers and heating engineers
- Nith Valley Construction LimitedGroundworks and demolition
- Ringford Vehicle Services LtdMechanics and garages
- Southern Tractors LimitedMachinery repair and installation
- W. Johnstone & Sons LimitedPlumbers and heating engineers
What happens if Sia Steel Erection & Cladding 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 27 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Dec 2027 to 27 Jan 2028 | £150 |
| 1 to 3 months late | 28 Jan 2028 to 27 Mar 2028 | £375 |
| 3 to 6 months late | 28 Mar 2028 to 27 Jun 2028 | £750 |
| More than 6 months late | From 28 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- SC884188
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 March 2026
- Registered office
- 23 George Street, Dumfries, Dumfriesshire, DG1 1EA
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Dumfries
Other active building contractors registered in Dumfries.
- Stephen Shaw Joinery & Building Ltd2014
- Wells Builders Ltd2025
- Williams Bros Estates Ltd2022
- Windsor Home Improvements Limited2019
- 360 Degree Construction Limited2026
- A & G Homes (Scotland) Limited2025
- Border Homes Ltd2010
- Boyle Builders (Scotland) Limited2003
All building contractors in Dumfries · All trades in Dumfries · Builders across the UK
Frequently asked questions
When are Sia Steel Erection & Cladding Ltd's accounts due?
Sia Steel Erection & Cladding Ltd's next accounts are due at Companies House by 27 December 2027 (in 440 days), covering the period to 31 March 2027.
When is Sia Steel Erection & Cladding 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 26 March 2027, due by 26 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sia Steel Erection & Cladding Ltd still trading?
Sia Steel Erection & Cladding 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 Sia Steel Erection & Cladding Ltd do?
Sia Steel Erection & Cladding Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is Sia Steel Erection & Cladding Ltd?
Sia Steel Erection & Cladding Ltd was incorporated on 27 March 2026, less than a year ago.
What is the penalty if Sia Steel Erection & Cladding 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 Sia Steel Erection & Cladding 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.