- Company number
- 11633872
- Incorporated
- 22 Oct 20187 years trading
- Registered office
- Axis 8 Mallard Way, Swansea Vale, Swansea, SA7 0AJ
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Other service activities n.e.c.
Cygnus Holdings (Cardiff) Ltd is a 7-year-old private limited company registered in Swansea, company number 11633872, one of 204 building contractors in Swansea. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
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 £643K (+90.3%) on the year before, to -£69K.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £55K against £70K owed within a year: 0.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | -£69K | £13 | £55K | £70K | 0 |
| 30 Nov 2024 | -£712K | £94 | £71K | £730K | 0 |
| 31 Jul 2023 | -£130K | £2 | £75K | £181K | 0 |
| 31 Jul 2022 | -£59K | £78 | £28K | £69K | 0 |
| 31 Jul 2021 | -£59K | £2,207 | £7,311 | £53K | 0 |
Where Cygnus Holdings (Cardiff) Ltd is registered
The registered office is in Swansea (SA7), in the Swansea local authority area, Wales. Show SA7 0AJ on a map.
Other trade companies in SA7
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- Pops Power Solutions LtdElectricians
- Perfect Roofing and Home Maintenance LimitedRoofers
- Eveo Engineering LtdElectricians
- Performance Bunker Liner LimitedSpecialist contractors
- Swan Roofing LimitedRoofers
- Air Conditioning & Heat Pumps LimitedPlumbers and heating engineers
- Ogm Pristine Cleaning LtdCleaning companies
Also registered at this address
1 other company uses the same registered office as Cygnus Holdings (Cardiff) Ltd.
- Open Sky Development Holdings LtdProperty developers
What happens if Cygnus Holdings (Cardiff) 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 11633872
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 October 2018 (7 years ago)
- Registered office
- Axis 8 Mallard Way, Swansea Vale, Swansea, SA7 0AJ
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other service activities n.e.c. (SIC 96090) - Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 24 April 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 in Swansea
Other active building contractors registered in Swansea.
- Dabek Building Services Ltd2024
- Darren Jonah Plastering & Building Limited2008
- Davan Construction Ltd2016
- Davies Groundworks and Construction Ltd2026
- DC Plumbing & Construction Ltd2026
- Decale Construction Limited2001
- Dex-Renovations Ltd2023
- DH Brickwork Services Ltd2023
All building contractors in Swansea · All trades in Swansea · Builders across the UK
Frequently asked questions
When are Cygnus Holdings (Cardiff) Ltd's accounts due?
Cygnus Holdings (Cardiff) Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Cygnus Holdings (Cardiff) Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Cygnus Holdings (Cardiff) Ltd still trading?
Cygnus Holdings (Cardiff) 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 Cygnus Holdings (Cardiff) Ltd do?
Cygnus Holdings (Cardiff) Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other service activities n.e.c. (SIC 96090).
How old is Cygnus Holdings (Cardiff) Ltd?
Cygnus Holdings (Cardiff) Ltd was incorporated on 22 October 2018, 7 years ago.
What is the penalty if Cygnus Holdings (Cardiff) 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 Cygnus Holdings (Cardiff) 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.