- Companies
- Specialist contractors
- Ammanford
- Celtic Green Energie Ltd
Celtic Green Energie Ltd
- Company number
- 16560301
- Incorporated
- 3 Jul 20251 year trading
- Registered office
- The Stable Flat Glynhir Estate, Llandybie, Ammanford, Carmarthenshire, SA18 2TD
- Nature of business
- Other specialised construction activities n.e.c.
Celtic Green Energie Ltd is a 1-year-old private limited company registered in Ammanford, company number 16560301, one of 14 specialist construction companies in Ammanford. Its next accounts are due at Companies House on 3 April 2027, and its first CT600 is due at HMRC on 2 July 2027.
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 Celtic Green Energie Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| O*** J*** | Director | Jul 2025 |
Person with significant control
Where Celtic Green Energie Ltd is registered
The registered office is in Ammanford (SA18), in the Carmarthenshire local authority area, Wales. Show SA18 2TD on a map.
Other trade companies in SA18
- Ace Resin Group LtdFinishing trades
- Dyfed Engineering LtdElectricians
- 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
What happens if Celtic Green Energie 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 3 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 4 Apr 2027 to 3 May 2027 | £150 |
| 1 to 3 months late | 4 May 2027 to 3 Jul 2027 | £375 |
| 3 to 6 months late | 4 Jul 2027 to 3 Oct 2027 | £750 |
| More than 6 months late | From 4 Oct 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
- 16560301
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 July 2025 (1 year ago)
- Registered office
- The Stable Flat Glynhir Estate, Llandybie, Ammanford, Carmarthenshire, SA18 2TD
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 July (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 Ammanford
Other active specialist construction companies registered in Ammanford.
- Construction Solutions UK (Wales) Ltd2009
- Freeman Fleet Hire Limited2025
- M Thomas & Sons Ltd2019
- Masters Partnership Ltd2020
- Peter Gravelle Services Limited2009
- Pillar Safety Ltd2025
- R&M Construction Utilities Ltd2018
- Rna Plant Limited2002
All specialist construction companies in Ammanford · All trades in Ammanford · Specialist contractors across the UK
Frequently asked questions
When are Celtic Green Energie Ltd's accounts due?
Celtic Green Energie Ltd's next accounts are due at Companies House by 3 April 2027 (in 172 days), covering the period to 31 July 2026.
When is Celtic Green Energie 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 2 July 2026, due by 2 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Celtic Green Energie Ltd still trading?
Celtic Green Energie Ltd is listed as active on the Companies House register (checked 13 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 Celtic Green Energie Ltd do?
Celtic Green Energie Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Celtic Green Energie Ltd?
Celtic Green Energie Ltd was incorporated on 3 July 2025, 1 year ago.
Who runs Celtic Green Energie Ltd?
Celtic Green Energie Ltd has 1 active director, the longest-serving appointed in Jul 2025. Their names and service addresses are on the Companies House register.
Who owns Celtic Green Energie Ltd?
One person or company has significant control of Celtic Green Energie Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Celtic Green Energie 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 Celtic Green Energie Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.