- Companies
- Cleaning companies
- Hull
- Diamond Klean Ltd
Diamond Klean Ltd
- Company number
- 16858870
- Incorporated
- 16 Nov 2025
- Registered office
- 60 Rivelin Park, Kingswood, Hull, HU7 3GP
- Nature of business
- General cleaning of buildings; Window cleaning services
Diamond Klean Ltd is a newly incorporated private limited company registered in Hull, company number 16858870, one of 129 cleaning companies in Hull. Its next accounts are due at Companies House on 16 August 2027, and its first CT600 is due at HMRC on 15 November 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 Diamond Klean Ltd is registered
The registered office is in Hull (HU7), in the Kingston upon Hull, City of local authority area, Yorkshire and The Humber. Show HU7 3GP on a map.
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What happens if Diamond Klean 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 16 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 17 Aug 2027 to 16 Sep 2027 | £150 |
| 1 to 3 months late | 17 Sep 2027 to 16 Nov 2027 | £375 |
| 3 to 6 months late | 17 Nov 2027 to 16 Feb 2028 | £750 |
| More than 6 months late | From 17 Feb 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
- 16858870
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 November 2025
- Registered office
- 60 Rivelin Park, Kingswood, Hull, HU7 3GP
- Nature of business
- General cleaning of buildings (SIC 81210)
Window cleaning services (SIC 81221) - Year end
- 30 November (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 Hull
Other active cleaning companies registered in Hull.
- Dixons Cleaning Ltd2026
- E & S Property Services Limited2018
- Eaj Global FM Ltd2025
- Eazy Build Yorkshire Ltd2020
- Eco Brite Cleaning Services Limited2014
- Exterior Cleaning Co. (UK) Ltd2022
- FH Power Cleaner Ltd2018
- First Class Window Cleaning Ltd2026
All cleaning companies in Hull · All trades in Hull · Cleaning companies across the UK
Frequently asked questions
When are Diamond Klean Ltd's accounts due?
Diamond Klean Ltd's next accounts are due at Companies House by 16 August 2027 (in 308 days), covering the period to 30 November 2026.
When is Diamond Klean 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 15 November 2026, due by 15 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Diamond Klean Ltd still trading?
Diamond Klean 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 Diamond Klean Ltd do?
Diamond Klean Ltd is registered under General cleaning of buildings (SIC 81210); Window cleaning services (SIC 81221).
How old is Diamond Klean Ltd?
Diamond Klean Ltd was incorporated on 16 November 2025, less than a year ago.
What is the penalty if Diamond Klean 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 Diamond Klean 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.