- Companies
- Machinery repair and installation
- Porthmadog
- Brython Tecwyn Cyf
Brython Tecwyn Cyf
- Company number
- 07749526
- Incorporated
- 23 Aug 201115 years trading
- Registered office
- 94 High Street, Porthmadog, Gwynedd, LL49 9NW
- Nature of business
- Repair of other equipment
Brython Tecwyn Cyf is a 15-year-old private limited company registered in Porthmadog, company number 07749526, one of 8 machinery repair and installation companies in Porthmadog. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £1,007 (+218.4%) on the year before, to £1,468.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £18K against £17K owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £1,468 | £18K | £17K | 0 | |
| 28 Feb 2025 | £461 | £17K | £16K | 0 | |
| 29 Feb 2024 | £230 | £14K | £14K | 0 | |
| 28 Feb 2023 | -£385 | £13K | £14K | 0 | |
| 28 Feb 2022 | £273 | £13K | £13K | 0 | |
| 28 Feb 2021 | £1,000 | £12K | £11K | 0 | |
| 29 Feb 2020 | £915 | £9,707 | £9,070 | 0 | |
| 28 Feb 2019 | £1,149 | £11K | £10K | ||
| 28 Feb 2018 | £1,002 | £10K | £9,613 | ||
| 31 Dec 2016 | £2,703 | £9,333 | £7,106 |
Who runs and owns Brython Tecwyn Cyf
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| J*** R*** | Director | Aug 2011 |
| J*** R*** | Secretary | Aug 2011 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| J*** R*** | Director | Aug 2011 | Aug 2011 |
Person with significant control
Where Brython Tecwyn Cyf is registered
The registered office is in Porthmadog (LL49), in the Gwynedd local authority area, Wales. Show LL49 9NW on a map.
Other trade companies in LL49
- D.Thomas Electrical CyfElectricians
- N Commercial LtdMotor traders
- Bricsan CyfProperty developers
- White Diamond Windows LtdGlaziers
- Porthmadog No1 Hand Car Wash LtdCleaning companies
- Dragon Drone Surveys & Inspections LimitedGroundworks and demolition
- Cu Power LtdMachinery repair and installation
- Carwyn Ap Plymio A Gwresogi CyfPlumbers and heating engineers
What happens if Brython Tecwyn 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 30 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 07749526
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 August 2011 (15 years ago)
- Registered office
- 94 High Street, Porthmadog, Gwynedd, LL49 9NW
- Nature of business
- Repair of other equipment (SIC 33190)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 14 August 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Porthmadog
Other active machinery repair and installation companies registered in Porthmadog.
- Chiara Limited1999
- Cu Power Ltd2025
- Gwyn E Cyf2014
- Gwynedd Cash Registers Ltd2006
- Hamdden Caravans Limited2017
- Peirianwaith Eifionydd Engineering Ltd2018
- Ron Hughes HPS Limited2016
All machinery repair and installation companies in Porthmadog · All trades in Porthmadog · Machinery repair and installation across the UK
Frequently asked questions
When are Brython Tecwyn Cyf's accounts due?
Brython Tecwyn Cyf's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.
When is Brython Tecwyn Cyf's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Brython Tecwyn Cyf still trading?
Brython Tecwyn 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 Brython Tecwyn Cyf do?
Brython Tecwyn Cyf is registered under Repair of other equipment (SIC 33190).
How old is Brython Tecwyn Cyf?
Brython Tecwyn Cyf was incorporated on 23 August 2011, 15 years ago.
Who runs Brython Tecwyn Cyf?
Brython Tecwyn Cyf has 1 active director, the longest-serving appointed in Aug 2011. Their names and service addresses are on the Companies House register.
Who owns Brython Tecwyn Cyf?
One person or company has significant control of Brython Tecwyn Cyf: an individual (owns 75% or more of the shares).
What is the penalty if Brython Tecwyn 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 Brython Tecwyn 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.