- Companies
- Cleaning companies
- Llanelli
- Cleanology South Wales Limited
Cleanology South Wales Limited
- Company number
- 11309034
- Incorporated
- 13 Apr 20188 years trading
- Registered office
- 11 Heol Derwen, Cross Hands, Llanelli, SA14 6SN
- Nature of business
- Window cleaning services
Cleanology South Wales Limited is a 8-year-old private limited company registered in Llanelli, company number 11309034, one of 26 cleaning companies in Llanelli. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 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 £10K (-164.5%) on the year before, to -£16K.
- Net assets rose in 2 of 7 year-on-year comparisons on record.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | -£16K | £1,478 | £45K | 2 | |
| 30 Apr 2025 | -£6,196 | £4,977 | £55K | 2 | |
| 30 Apr 2024 | £2,451 | £9,710 | £11K | 2 | |
| 30 Apr 2023 | £8,258 | £8,355 | £5,671 | 1 | |
| 30 Apr 2022 | £16K | £7,352 | £6,071 | 2 | |
| 30 Apr 2021 | £26K | £6,733 | £2,285 | 0 | |
| 30 Apr 2020 | £5,760 | £5,605 | £5,163 | 1 | |
| 30 Apr 2019 | £147 | £9,181 | £17K | 1 |
Where Cleanology South Wales Limited is registered
The registered office is in Llanelli (SA14), in the Carmarthenshire local authority area, Wales. Show SA14 6SN on a map.
Other trade companies in SA14
- Llanelli Service Centre LtdMechanics and garages
- Cavity Wall Extraction UK LtdBuilders
- CCS Repairs LtdMachinery repair and installation
- JP Bathroom Services LtdInstallers
- Uplands Realty LimitedProperty developers
- Plasnewydd Homes LimitedProperty developers
- Afon Tawe Retreats LtdProperty developers
- Osbournandjames LtdProperty developers
What happens if Cleanology South Wales Limited 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 11309034
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 April 2018 (8 years ago)
- Registered office
- 11 Heol Derwen, Cross Hands, Llanelli, SA14 6SN
- Nature of business
- Window cleaning services (SIC 81221)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 12 April 2026
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in Llanelli
Other active cleaning companies registered in Llanelli.
- Comserve (Wales) Ltd2009
- Csa Hygiene Ltd2006
- CWM GLÂN Exterior Cleaning Ltd2025
- Dragon Bio Clean Ltd2026
- Eagle Eye Cleaning Services Ltd2025
- Edc Cleaning Services Ltd2017
- Ffenestri Cleaning Services Ltd2024
- North Dock Valeting Limited2024
All cleaning companies in Llanelli · All trades in Llanelli · Cleaning companies across the UK
Frequently asked questions
When are Cleanology South Wales Limited's accounts due?
Cleanology South Wales Limited's next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.
When is Cleanology South Wales Limited's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Cleanology South Wales Limited still trading?
Cleanology South Wales Limited 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 Cleanology South Wales Limited do?
Cleanology South Wales Limited is registered under Window cleaning services (SIC 81221).
How old is Cleanology South Wales Limited?
Cleanology South Wales Limited was incorporated on 13 April 2018, 8 years ago.
What is the penalty if Cleanology South Wales Limited 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 Cleanology South Wales Limited 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.