- Companies
- Builders
- Castle Douglas
- DM Structural Steel Ltd
DM Structural Steel Ltd
- Company number
- SC898041
- Incorporated
- 4 Aug 2026
- Registered office
- 65 High Street, Gatehouse of Fleet, Castle Douglas, DG7 2HS
- Nature of business
- Construction of commercial buildings
DM Structural Steel Ltd is a newly incorporated private limited company registered in Castle Douglas, company number SC898041, one of the UK's building contractors. Its next accounts are due at Companies House on 4 May 2028, and its first CT600 is due at HMRC on 3 August 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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Who runs and owns DM Structural Steel Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| D*** M*** | Director | Aug 2026 |
People with significant control (2)
Where DM Structural Steel Ltd is registered
The registered office is in Castle Douglas (DG7), in the Dumfries and Galloway local authority area, Scotland. Show DG7 2HS on a map.
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- S G Solar LtdInstallers
- Ryan's Rigging LtdSpecialist contractors
- Aqua Electrical LimitedMachinery repair and installation
- Greg Kirkpatrick Electrical LtdElectricians
- Minor Renovations LtdPainters and decorators
- Strongwood LtdCivil engineering
- Galloway Engineering Services LtdCivil engineering
What happens if DM Structural Steel 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 4 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 May 2028 to 4 Jun 2028 | £150 |
| 1 to 3 months late | 5 Jun 2028 to 4 Aug 2028 | £375 |
| 3 to 6 months late | 5 Aug 2028 to 4 Nov 2028 | £750 |
| More than 6 months late | From 5 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- SC898041
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 August 2026
- Registered office
- 65 High Street, Gatehouse of Fleet, Castle Douglas, DG7 2HS
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 August (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 Castle Douglas
Other active building contractors registered in Castle Douglas.
- Morris Architecture Limited2024
- Riddick & Son (Builders) Limited1983
- Breese Window Supplies Limited2016
All building contractors in Castle Douglas · All trades in Castle Douglas · Builders across the UK
Frequently asked questions
When are DM Structural Steel Ltd's accounts due?
DM Structural Steel Ltd's next accounts are due at Companies House by 4 May 2028 (in 569 days), covering the period to 31 August 2027.
When is DM Structural Steel 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 3 August 2027, due by 3 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is DM Structural Steel Ltd still trading?
DM Structural Steel 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 DM Structural Steel Ltd do?
DM Structural Steel Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is DM Structural Steel Ltd?
DM Structural Steel Ltd was incorporated on 4 August 2026, less than a year ago.
Who runs DM Structural Steel Ltd?
DM Structural Steel Ltd has 1 active director, the longest-serving appointed in Aug 2026. Their names and service addresses are on the Companies House register.
Who owns DM Structural Steel Ltd?
2 people or companies have significant control of DM Structural Steel Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if DM Structural Steel 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 DM Structural Steel 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.