- Companies
- Cleaning companies
- London
- Smart Office Cleaning Ltd
Smart Office Cleaning Ltd
- Company number
- 15996615
- Incorporated
- 3 Oct 20242 years trading
- Registered office
- 46 East Acton Lane, London, W3 7EQ
- Nature of business
- General cleaning of buildings; Window cleaning services; Washing and (dry-)cleaning of textile and fur products; Other service activities n.e.c.
Smart Office Cleaning Ltd is a 2-year-old private limited company registered in London, company number 15996615, one of 5,627 cleaning companies in London. Its next accounts are due at Companies House on 27 September 2027, and the CT600 for the period to 27 December 2026 is due at HMRC on 27 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 27 December 2025, as filed at Companies House.
Where Smart Office Cleaning Ltd is registered
The registered office is in London (W3), in the Ealing local authority area, London. Show W3 7EQ on a map.
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What happens if Smart Office 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 27 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Sep 2027 to 27 Oct 2027 | £150 |
| 1 to 3 months late | 28 Oct 2027 to 27 Dec 2027 | £375 |
| 3 to 6 months late | 28 Dec 2027 to 27 Mar 2028 | £750 |
| More than 6 months late | From 28 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 28 Dec 2027 | £200 |
| 3 months late | 27 Mar 2028 | another £200 |
| 6 months late | 27 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 27 Dec 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
- 15996615
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 October 2024 (2 years ago)
- Registered office
- 46 East Acton Lane, London, W3 7EQ
- Nature of business
- General cleaning of buildings (SIC 81210)
Window cleaning services (SIC 81221)
Washing and (dry-)cleaning of textile and fur products (SIC 96010)
Other service activities n.e.c. (SIC 96090) - Year end
- 27 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 27 December 2025
- Last confirmation statement
- 29 September 2025
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.
- Smart Pest Control Ltd2017
- Smart Removals Ltd2018
- Smart Touch Cleaning Ltd2017
- Smartmove Services Ltd2020
- Smartscrubbers Ltd2026
- Smartservice Group Ltd2025
- Smartshine Cleaning Ltd2025
- Smple Cleans Limited2025
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are Smart Office Cleaning Ltd's accounts due?
Smart Office Cleaning Ltd's next accounts are due at Companies House by 27 September 2027 (in 349 days), covering the period to 27 December 2026.
When is Smart Office Cleaning Ltd's CT600 due?
The CT600 for the period to 27 December 2026 is due at HMRC by 27 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 28 September 2027.
Is Smart Office Cleaning Ltd still trading?
Smart Office Cleaning 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 Smart Office Cleaning Ltd do?
Smart Office Cleaning Ltd is registered under General cleaning of buildings (SIC 81210); Window cleaning services (SIC 81221); Washing and (dry-)cleaning of textile and fur products (SIC 96010); Other service activities n.e.c. (SIC 96090).
How old is Smart Office Cleaning Ltd?
Smart Office Cleaning Ltd was incorporated on 3 October 2024, 2 years ago.
What is the penalty if Smart Office 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 Smart Office Cleaning 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.