- Companies
- Cleaning companies
- London
- Sully Smart Company Limited
Sully Smart Company Limited
- Company number
- 17311986
- Incorporated
- 1 Jul 2026
- Registered office
- 24E ST Pauls Crescent, ST. Pauls Crescent Camdown Town, London, United Kingdom, NW1 9XL
- Nature of business
- General cleaning of buildings
Sully Smart Company Limited is a newly incorporated private limited company registered in London, company number 17311986, one of 5,627 cleaning companies in London. Its next accounts are due at Companies House on 1 April 2028, and its first CT600 is due at HMRC on 30 June 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 Sully Smart Company Limited is registered
The registered office is in London (NW1), in the Camden local authority area, London. Show NW1 9XL on a map.
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What happens if Sully Smart Company Limited 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 1 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 2 Apr 2028 to 1 May 2028 | £150 |
| 1 to 3 months late | 2 May 2028 to 1 Jul 2028 | £375 |
| 3 to 6 months late | 2 Jul 2028 to 1 Oct 2028 | £750 |
| More than 6 months late | From 2 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17311986
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 July 2026
- Registered office
- 24E ST Pauls Crescent, ST. Pauls Crescent Camdown Town, London, United Kingdom, NW1 9XL
- Nature of business
- General cleaning of buildings (SIC 81210)
- Year end
- 31 July (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.
- Summerbird Limited2014
- Summoners Rift Ltd2019
- Sunna Clean Ltd2026
- Sunrise Cleaning Ltd2021
- Sunrise S G Ltd2015
- Sunset Bleach Cleaning Ltd2026
- Sunshine Clean Me Limited2010
- Sunshine Cleaning Services Ltd2026
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are Sully Smart Company Limited's accounts due?
Sully Smart Company Limited's next accounts are due at Companies House by 1 April 2028 (in 536 days), covering the period to 31 July 2027.
When is Sully Smart Company Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 June 2027, due by 30 June 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sully Smart Company Limited still trading?
Sully Smart Company Limited 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 Sully Smart Company Limited do?
Sully Smart Company Limited is registered under General cleaning of buildings (SIC 81210).
How old is Sully Smart Company Limited?
Sully Smart Company Limited was incorporated on 1 July 2026, less than a year ago.
What is the penalty if Sully Smart Company Limited 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 Sully Smart Company Limited 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.