- Companies
- Cleaning companies
- London
- Sonnic Cleaning Services Ltd
Sonnic Cleaning Services Ltd
- Company number
- 10500043
- Incorporated
- 28 Nov 20169 years trading
- Registered office
- 96 Carslake Road, London, SW15 3DR
- Nature of business
- General cleaning of buildings
Sonnic Cleaning Services Ltd is a 9-year-old private limited company registered in London, company number 10500043, one of 5,627 cleaning companies in London. 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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Where Sonnic Cleaning Services Ltd is registered
The registered office is in London (SW15), in the Wandsworth local authority area, London. Show SW15 3DR on a map.
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What happens if Sonnic Cleaning Services 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
- 10500043
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 November 2016 (9 years ago)
- Registered office
- 96 Carslake Road, London, SW15 3DR
- Nature of business
- General cleaning of buildings (SIC 81210)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 10 June 2026
- Previous names
- Universal Cleaning Services Ltd (until 6 Feb 2023)
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 London
Other active cleaning companies registered in London.
- Sonnic Support Solutions (UK) Limited2015
- Soot and Sweep Ltd2026
- Sophiacleaningservices.Co.UK Ltd2025
- Soriano Cleaning Ltd2026
- Sos Cleaners Ltd2011
- Souaree Limited2021
- South and East Cleaning Ltd2026
- South Coast Essentials Ltd2022
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are Sonnic Cleaning Services Ltd's accounts due?
Sonnic Cleaning Services 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 Sonnic Cleaning Services 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 Sonnic Cleaning Services Ltd still trading?
Sonnic Cleaning Services 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 Sonnic Cleaning Services Ltd do?
Sonnic Cleaning Services Ltd is registered under General cleaning of buildings (SIC 81210).
How old is Sonnic Cleaning Services Ltd?
Sonnic Cleaning Services Ltd was incorporated on 28 November 2016, 9 years ago.
What is the penalty if Sonnic Cleaning Services 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 Sonnic Cleaning Services 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.