- Companies
- Civil engineering
- Broxburn
- Dcon Services Ltd
Dcon Services Ltd
- Company number
- SC815177
- Incorporated
- 1 Jul 20242 years trading
- Registered office
- 115D East Mains Street, Broxburn, EH52 5EJ
- Nature of business
- Construction of other civil engineering projects n.e.c.; Other specialised construction activities n.e.c.; Engineering related scientific and technical consulting activities; Other engineering activities
Dcon Services Ltd is a 2-year-old private limited company registered in Broxburn, company number SC815177, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 July 2025, as filed at Companies House.
Where Dcon Services Ltd is registered
The registered office is in Broxburn (EH52), in the West Lothian local authority area, Scotland. Show EH52 5EJ on a map.
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What happens if Dcon 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- SC815177
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 July 2024 (2 years ago)
- Registered office
- 115D East Mains Street, Broxburn, EH52 5EJ
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Other specialised construction activities n.e.c. (SIC 43999)
Engineering related scientific and technical consulting activities (SIC 71122)
Other engineering activities (SIC 71129) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 6 May 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Broxburn
Other active civil engineering contractors registered in Broxburn.
All civil engineering contractors in Broxburn · All trades in Broxburn · Civil engineering across the UK
Frequently asked questions
When are Dcon Services Ltd's accounts due?
Dcon Services Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Dcon Services Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Dcon Services Ltd still trading?
Dcon 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 Dcon Services Ltd do?
Dcon Services Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Other specialised construction activities n.e.c. (SIC 43999); Engineering related scientific and technical consulting activities (SIC 71122); Other engineering activities (SIC 71129).
How old is Dcon Services Ltd?
Dcon Services Ltd was incorporated on 1 July 2024, 2 years ago.
What is the penalty if Dcon 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 Dcon 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.