- Company number
- 08553106
- Incorporated
- 3 Jun 201313 years trading
- Registered office
- Churchgate House 3 Church Road, Whitchurch, Cardiff, CF14 2DX
- Nature of business
- Construction of domestic buildings
Keelson Ltd is a 13-year-old private limited company registered in Cardiff, company number 08553106, one of 361 building contractors in Cardiff. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 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 down £543 (-70%) on the year before, to £233.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £16K against £16K owed within a year: 1.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2026 | £233 | £16K | £16K | 2 | |
| 30 Jun 2025 | £776 | £25K | £21K | 2 | |
| 30 Jun 2024 | £305 | £16K | £11K | 2 | |
| 30 Jun 2023 | £415 | £18K | £9,468 | 2 | |
| 30 Jun 2022 | -£8,037 | £22K | £19K | 1 | |
| 30 Jun 2021 | £115 | £17K | £4,002 | 1 | |
| 30 Jun 2020 | £3,211 | £18K | £28K | £8,506 | 1 |
| 30 Jun 2019 | £560 | £3,889 | £13K | £13K | 1 |
| 30 Jun 2018 | £2,668 | £1,235 | £8,524 | £5,856 | |
| 30 Jun 2017 | £280 | £2,134 | £7,734 | £7,454 |
Where Keelson Ltd is registered
The registered office is in Cardiff (CF14), in the Cardiff local authority area, Wales. Show CF14 2DX on a map.
Other trade companies in CF14
- Velren Group LtdProperty developers
- Premierroofcare LtdRoofers
- JLG Groundworks LtdCleaning companies
- Tidyvibz LtdCleaning companies
- Ayyappa MTD LtdBuilders
- KM Phoenix Pond, Garden & General Maintenance LtdLandscapers and gardeners
- Eco Green Property Service LtdFinishing trades
- S and J Accident Repairs LtdPainters and decorators
Also registered at this address
15 other companies use the same registered office as Keelson Ltd.
- Celtic Compressors and Pneumatics LimitedSpecialist contractors
- Creative Construction & Design LtdProperty developers
- Hobday and David Properties LimitedProperty developers
- Landsker Projects LtdProperty developers
- M & R Contractors LimitedCivil engineering
- Nugent Developments LimitedProperty developers
- Powys Construction LimitedProperty developers
- Sevenstones Developments LimitedProperty developers
- Shobro Developments LtdProperty developers
- The Clean Co Cardiff LtdCleaning companies
- Tredilion Park LtdProperty developers
- Tredomen Homes LtdProperty developers
- White Oak Design Build LimitedProperty developers
- Yourspace Projects LimitedProperty developers
- ZHB Property (Wales) LimitedBuilders
What happens if Keelson 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 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 08553106
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 June 2013 (13 years ago)
- Registered office
- Churchgate House 3 Church Road, Whitchurch, Cardiff, CF14 2DX
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 26 October 2025
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 Cardiff
Other active building contractors registered in Cardiff.
- Key and Lime Limited2024
- KGRK Ltd2026
- Khaira & S Limited2026
- KLS MTD Ltd2026
- KST Property Services Limited2021
- KTR Infra Ltd2026
- Kurra Ltd2025
- L A Emery Building Services Ltd2022
All building contractors in Cardiff · All trades in Cardiff · Builders across the UK
Frequently asked questions
When are Keelson Ltd's accounts due?
Keelson Ltd's next accounts are due at Companies House by 31 March 2028 (in 535 days), covering the period to 30 June 2027.
When is Keelson Ltd's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is Keelson Ltd still trading?
Keelson 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 Keelson Ltd do?
Keelson Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Keelson Ltd?
Keelson Ltd was incorporated on 3 June 2013, 13 years ago.
What is the penalty if Keelson 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 Keelson 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.