Prysor Cyf
- Company number
- 17123315
- Incorporated
- 29 Mar 2026
- Registered office
- 4 Maes Y Bronydd, Bala, LL23 7AN
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Other building completion and finishing
Prysor Cyf is a newly incorporated private limited company registered in Bala, company number 17123315, one of the UK's building contractors. Its next accounts are due at Companies House on 29 December 2027, and its first CT600 is due at HMRC on 28 March 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 Prysor Cyf is registered
The registered office is in Bala (LL23), in the Gwynedd local authority area, Wales. Show LL23 7AN on a map.
Other trade companies in LL23
- PW (Bala) CyfSpecialist contractors
- Bala Lake Railway Construction LimitedBuilders
- Clockwork Construction Group LtdBuilders
- Adeiladwyr D G & Y W Jones CyfBuilders
- Zechiel LtdElectricians
- KMT Group LimitedElectricians
- O. Llur Edwards CyfSpecialist contractors
- Galdo Developments LimitedBuilders
What happens if Prysor Cyf 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 29 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Dec 2027 to 29 Jan 2028 | £150 |
| 1 to 3 months late | 30 Jan 2028 to 29 Mar 2028 | £375 |
| 3 to 6 months late | 30 Mar 2028 to 29 Jun 2028 | £750 |
| More than 6 months late | From 30 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17123315
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 March 2026
- Registered office
- 4 Maes Y Bronydd, Bala, LL23 7AN
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other building completion and finishing (SIC 43390) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Previous names
- Prysor Prosiectau Cyf (until 6 Apr 2026)
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
Other active building contractors.
Frequently asked questions
When are Prysor Cyf's accounts due?
Prysor Cyf's next accounts are due at Companies House by 29 December 2027 (in 443 days), covering the period to 31 March 2027.
When is Prysor Cyf's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 28 March 2027, due by 28 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Prysor Cyf still trading?
Prysor Cyf 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 Prysor Cyf do?
Prysor Cyf is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other building completion and finishing (SIC 43390).
How old is Prysor Cyf?
Prysor Cyf was incorporated on 29 March 2026, less than a year ago.
What is the penalty if Prysor Cyf 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 Prysor Cyf 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.