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- So-Kleen Ltd
Company profile · Cleaning companies
So-Kleen Ltd
So-Kleen Ltd is a 1-year-old private limited company registered in Swansea, company number 16631167, one of 125 cleaning companies in Swansea. Its next accounts are due at Companies House on 5 May 2027, and its first CT600 is due at HMRC on 4 August 2027.
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 So-Kleen Ltd is registered
The registered office is in Swansea (SA1), in the Swansea local authority area, Wales. Show SA1 6SA on a map.
Other trade companies in SA1
- JDS Ringside Customs LtdRepair services
- D & M Carpentry and Construction LimitedCivil engineering
- Westway Window Systems LimitedJoiners and carpenters
- International Classic Car Sales LtdMotor traders
- Edefec LtdBuilders
- Swansea Scaffolding Services LtdScaffolders
- Lou's Paint and Finish LimitedPainters and decorators
- Mesa Property Development LtdProperty developers
What happens if So-Kleen 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 5 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 May 2027 to 5 Jun 2027 | £150 |
| 1 to 3 months late | 6 Jun 2027 to 5 Aug 2027 | £375 |
| 3 to 6 months late | 6 Aug 2027 to 5 Nov 2027 | £750 |
| More than 6 months late | From 6 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 16631167
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 August 2025 (1 year ago)
- Registered office
- 3 Heol Y Gors, Townhill, Swansea, SA1 6SA
- Nature of business
- General cleaning of buildings (SIC 81210)
Window cleaning services (SIC 81221)
Other building and industrial cleaning activities (SIC 81229)
Other cleaning services (SIC 81299) - Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
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 Swansea
Other active cleaning companies registered in Swansea.
- South Wales Cleaning and Maintenance Limited2015
- South Wales Drains Ltd2025
- Southw Rope Access Ltd2024
- Sparkle Cleaning Lab Ltd2023
- Super Hand Car-Wash (Swansea) Ltd2024
- Supreme Express Cleaning Limited2011
- Swansea Bay Cleaning Ltd2025
- Swansea Shine Carwash Ltd2025
All cleaning companies in Swansea · All trades in Swansea · Cleaning companies across the UK
Frequently asked questions
When are So-Kleen Ltd's accounts due?
So-Kleen Ltd's next accounts are due at Companies House by 5 May 2027 (in 205 days), covering the period to 31 August 2026.
When is So-Kleen Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 4 August 2026, due by 4 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is So-Kleen Ltd still trading?
So-Kleen Ltd is listed as active on the Companies House register (checked 12 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 So-Kleen Ltd do?
So-Kleen Ltd is registered under General cleaning of buildings (SIC 81210); Window cleaning services (SIC 81221); Other building and industrial cleaning activities (SIC 81229); Other cleaning services (SIC 81299).
How old is So-Kleen Ltd?
So-Kleen Ltd was incorporated on 5 August 2025, 1 year ago.
What is the penalty if So-Kleen 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 So-Kleen Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.