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- Dempster Construction Limited
Company profile · Specialist contractors
Dempster Construction Limited
Dempster Construction Limited is a newly incorporated private limited company registered in Cumnock, company number SC899153, one of 5 specialist construction companies in Cumnock. Its next accounts are due at Companies House on 14 May 2028, and its first CT600 is due at HMRC on 13 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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Where Dempster Construction Limited is registered
The registered office is in Cumnock (KA18), in the East Ayrshire local authority area, Scotland. Show KA18 1FJ on a map.
Other trade companies in KA18
- Sandglow Overland LtdMotor traders
- Scott Smith Joinery LtdJoiners and carpenters
- JSK Aviation Services LtdMachinery repair and installation
- KM Vehicle Sales LtdMotor traders
- Gibby Groundworks LtdCivil engineering
- Volkstec (Ayr) LtdMechanics and garages
- Baird Welding and Mechanical LtdMachinery repair and installation
- D.B Avation Services LtdMachinery repair and installation
What happens if Dempster Construction 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 14 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 15 May 2028 to 14 Jun 2028 | £150 |
| 1 to 3 months late | 15 Jun 2028 to 14 Aug 2028 | £375 |
| 3 to 6 months late | 15 Aug 2028 to 14 Nov 2028 | £750 |
| More than 6 months late | From 15 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
- SC899153
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 August 2026
- Registered office
- 2 Blackstone Heights, Cumnock, KA18 1FJ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
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 Cumnock
Other active specialist construction companies registered in Cumnock.
- Palmer & Son Groundworks Limited2022
- Silverbirch Contracts Limited2011
- Boss Civils and Engineering Ltd2025
- BSK Commercial Ltd2024
All specialist construction companies in Cumnock · All trades in Cumnock · Specialist contractors across the UK
Frequently asked questions
When are Dempster Construction Limited's accounts due?
Dempster Construction Limited's next accounts are due at Companies House by 14 May 2028 (in 580 days), covering the period to 31 August 2027.
When is Dempster Construction 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 13 August 2027, due by 13 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 Dempster Construction Limited still trading?
Dempster Construction 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 Dempster Construction Limited do?
Dempster Construction Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Dempster Construction Limited?
Dempster Construction Limited was incorporated on 14 August 2026, less than a year ago.
What is the penalty if Dempster Construction 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 Dempster Construction 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.