- Companies
- Cleaning companies
- London
- Simpson7 Cleaning Ltd
Simpson7 Cleaning Ltd
- Company number
- 16241670
- Incorporated
- 10 Feb 20251 year trading
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Specialised cleaning services
Simpson7 Cleaning Ltd is a 1-year-old private limited company registered in London, company number 16241670, one of 5,627 cleaning companies in London. Its next accounts are due at Companies House on 10 November 2026, and its first CT600 is due at HMRC on 9 February 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 Simpson7 Cleaning Ltd is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 7GU on a map.
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Shared registered office
1,583 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Simpson7 Cleaning 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 10 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Nov 2026 to 10 Dec 2026 | £150 |
| 1 to 3 months late | 11 Dec 2026 to 10 Feb 2027 | £375 |
| 3 to 6 months late | 11 Feb 2027 to 10 May 2027 | £750 |
| More than 6 months late | From 11 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 16241670
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 February 2025 (1 year ago)
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Specialised cleaning services (SIC 81222)
- Year end
- 28 February (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 London
Other active cleaning companies registered in London.
- Sims Perfect Cleaning Limited2025
- Sinel Limited2008
- Sirisavana Ltd2026
- Sisy London Cleaning Services Limited2026
- Site Fresh Solutions Ltd2025
- Site Group Ltd2026
- Sixfold Group Limited2026
- SJ Brightness UK Limited2005
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are Simpson7 Cleaning Ltd's accounts due?
Simpson7 Cleaning Ltd's next accounts are due at Companies House by 10 November 2026 (in 29 days), covering the period to 28 February 2026.
When is Simpson7 Cleaning 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 9 February 2026, due by 9 February 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Simpson7 Cleaning Ltd still trading?
Simpson7 Cleaning 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 Simpson7 Cleaning Ltd do?
Simpson7 Cleaning Ltd is registered under Specialised cleaning services (SIC 81222).
How old is Simpson7 Cleaning Ltd?
Simpson7 Cleaning Ltd was incorporated on 10 February 2025, 1 year ago.
What is the penalty if Simpson7 Cleaning 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 Simpson7 Cleaning 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.