- Companies
- Electricians
- Ammanford
- Dyfed Engineering Ltd
Dyfed Engineering Ltd
- Company number
- 17448754
- Incorporated
- 9 Sep 2026
- Registered office
- 37 Betws Road, Ammanford, Dyfed, SA18 2HE
- Nature of business
- Electrical installation
Dyfed Engineering Ltd is a newly incorporated private limited company registered in Ammanford, company number 17448754, one of 16 electrical contractors in Ammanford. Its next accounts are due at Companies House on 9 June 2028, and its first CT600 is due at HMRC on 8 September 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 Dyfed Engineering Ltd is registered
The registered office is in Ammanford (SA18), in the Carmarthenshire local authority area, Wales. Show SA18 2HE on a map.
Other trade companies in SA18
- Ace Resin Group LtdFinishing trades
- Serval Mechanical & Fabrication LtdMechanics and garages
- Timber and Trade Solutions LtdBuilders
- West Wales Cleaning Group LtdCleaning companies
- Carpet Confession LtdCleaning companies
- Elite Painting Solutions LtdPainters and decorators
- Dafku Construction LtdCivil engineering
- Hardings Yard Ltd.Property developers
What happens if Dyfed Engineering 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 9 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Jun 2028 to 9 Jul 2028 | £150 |
| 1 to 3 months late | 10 Jul 2028 to 9 Sep 2028 | £375 |
| 3 to 6 months late | 10 Sep 2028 to 9 Dec 2028 | £750 |
| More than 6 months late | From 10 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 17448754
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 September 2026
- Registered office
- 37 Betws Road, Ammanford, Dyfed, SA18 2HE
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Ammanford
Other active electrical contractors registered in Ammanford.
- Illuminate Electrical Services Ltd2019
- Jacksons Electrical Services Ltd2013
- JLC Installations and Maintenance Ltd2025
- Kieran Isherwood Electrical Services Ltd2022
- Lux Focus Limited2019
- Mike Voyle Electrical Ltd2020
- Phase Connections Limited2022
- R Hughes Power Services Limited2026
All electrical contractors in Ammanford · All trades in Ammanford · Electricians across the UK
Frequently asked questions
When are Dyfed Engineering Ltd's accounts due?
Dyfed Engineering Ltd's next accounts are due at Companies House by 9 June 2028 (in 606 days), covering the period to 30 September 2027.
When is Dyfed Engineering 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 8 September 2027, due by 8 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Dyfed Engineering Ltd still trading?
Dyfed Engineering 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 Dyfed Engineering Ltd do?
Dyfed Engineering Ltd is registered under Electrical installation (SIC 43210).
How old is Dyfed Engineering Ltd?
Dyfed Engineering Ltd was incorporated on 9 September 2026, less than a year ago.
What is the penalty if Dyfed Engineering 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 Dyfed Engineering 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.