- Companies
- Cleaning companies
- Dundee
- O@K Window Cleaning / Maintenance Limited
O@K Window Cleaning / Maintenance Limited
- Company number
- SC820863
- Incorporated
- 28 Aug 20242 years trading
- Registered office
- 49 Turnberry Avenue, Dundee, DD2 3TL
- Nature of business
- Window cleaning services
O@K Window Cleaning / Maintenance Limited is a 2-year-old private limited company registered in Dundee, company number SC820863, one of 77 cleaning companies in Dundee. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £18K (-93.9%) on the year before, to £1,151.
- Current assets of £41K against £42K owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £1,151 | £41K | £41K | £42K | 0 |
| 31 Aug 2025 | £19K | £32K | £33K | £17K | 0 |
Where O@K Window Cleaning / Maintenance Limited is registered
The registered office is in Dundee (DD2), in the Dundee City local authority area, Scotland. Show DD2 3TL on a map.
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- The Tyre Soldier Mobile Tyre Fitting LimitedMotor traders
- Home Hops LtdCleaning companies
- Mark Pattullo Technical Services LtdBuilders
- Evagreen Cleaning LtdCleaning companies
What happens if O@K Window Cleaning / Maintenance 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- SC820863
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 August 2024 (2 years ago)
- Registered office
- 49 Turnberry Avenue, Dundee, DD2 3TL
- Nature of business
- Window cleaning services (SIC 81221)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 27 August 2026
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 Dundee
Other active cleaning companies registered in Dundee.
- Patel Cleanworks Limited2023
- Polished Cleaning Solutions Limited2016
- Pressed4Time Scotland Ltd2026
- Pro Carpet Solutions Ltd2023
- Pupwash Ltd2025
- Pure H2O Cleaning Services Ltd2026
- Purple Touch Cleaning Ltd2026
- Recharge Cleans Ltd2026
All cleaning companies in Dundee · All trades in Dundee · Cleaning companies across the UK
Frequently asked questions
When are O@K Window Cleaning / Maintenance Limited's accounts due?
O@K Window Cleaning / Maintenance Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is O@K Window Cleaning / Maintenance Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is O@K Window Cleaning / Maintenance Limited still trading?
O@K Window Cleaning / Maintenance 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 O@K Window Cleaning / Maintenance Limited do?
O@K Window Cleaning / Maintenance Limited is registered under Window cleaning services (SIC 81221).
How old is O@K Window Cleaning / Maintenance Limited?
O@K Window Cleaning / Maintenance Limited was incorporated on 28 August 2024, 2 years ago.
What is the penalty if O@K Window Cleaning / Maintenance 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 O@K Window Cleaning / Maintenance 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.