- Companies
- Cleaning companies
- Slough
- Smart4Services Ltd
Smart4Services Ltd
- Company number
- 17456596
- Incorporated
- 14 Sep 2026
- Registered office
- 174 Walpole Road, Slough, SL1 6PG
- Nature of business
- Other building and industrial cleaning activities
Smart4Services Ltd is a newly incorporated private limited company registered in Slough, company number 17456596, one of 143 cleaning companies in Slough. Its next accounts are due at Companies House on 14 June 2028, and its first CT600 is due at HMRC on 13 September 2028.
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 Smart4Services Ltd is registered
The registered office is in Slough (SL1), in the Slough local authority area, South East. Show SL1 6PG on a map.
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- Shadeworks LtdInstallers
- Yad Building Services LimitedBuilders
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- Hadi Automotive LtdMotor traders
- Imperial Berkshire Motors LtdMotor traders
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What happens if Smart4Services 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 14 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 15 Jun 2028 to 14 Jul 2028 | £150 |
| 1 to 3 months late | 15 Jul 2028 to 14 Sep 2028 | £375 |
| 3 to 6 months late | 15 Sep 2028 to 14 Dec 2028 | £750 |
| More than 6 months late | From 15 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 17456596
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 September 2026
- Registered office
- 174 Walpole Road, Slough, SL1 6PG
- Nature of business
- Other building and industrial cleaning activities (SIC 81229)
- Year end
- 30 September (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 Slough
Other active cleaning companies registered in Slough.
- Smartclean Pro Ltd2026
- Sovereign Cleaning Facilities Ltd2026
- Spark Pro Cleaning Services Ltd2025
- Sparksure Cleaning Ltd2025
- Speedy Cleaners Berkshire Ltd2022
- Spotless Cleans Services Ltd2025
- Stonecrop CC Limited2026
- Tenda Cleaning Ltd2016
All cleaning companies in Slough · All trades in Slough · Cleaning companies across the UK
Frequently asked questions
When are Smart4Services Ltd's accounts due?
Smart4Services Ltd's next accounts are due at Companies House by 14 June 2028 (in 611 days), covering the period to 30 September 2027.
When is Smart4Services 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 13 September 2027, due by 13 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Smart4Services Ltd still trading?
Smart4Services 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 Smart4Services Ltd do?
Smart4Services Ltd is registered under Other building and industrial cleaning activities (SIC 81229).
How old is Smart4Services Ltd?
Smart4Services Ltd was incorporated on 14 September 2026, less than a year ago.
What is the penalty if Smart4Services 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 Smart4Services 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.