- Companies
- Cleaning companies
- London
- Ad Window Cleaning Services Ltd
Ad Window Cleaning Services Ltd
- Company number
- 11985904
- Incorporated
- 8 May 20197 years trading
- Registered office
- 7A Crewys Road, London, SE15 2BJ
- Nature of business
- General cleaning of buildings; Window cleaning services
Ad Window Cleaning Services Ltd is a 7-year-old private limited company registered in London, company number 11985904, one of 5,627 cleaning companies in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
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 £3,373 (-74.2%) on the year before, to £1,173.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £2,909 against £2,953 owed within a year: 1.0 times cover.
- 1 employee on average, down from 3 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £1,173 | £2,909 | £2,953 | 1 | |
| 31 May 2024 | £4,546 | £5,187 | £3,673 | 3 | |
| 31 May 2023 | £4,514 | £5,050 | £348 | 3 | |
| 31 May 2022 | £4,035 | £6,786 | £615 | 3 | |
| 31 May 2021 | -£15K | £1,513 | £18K | 2 | |
| 31 May 2020 | -£1,292 | £5,301 | 1 |
Who runs and owns Ad Window Cleaning Services Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| D*** M*** | Director | May 2019 |
Person with significant control
Where Ad Window Cleaning Services Ltd is registered
The registered office is in London (SE15), in the Southwark local authority area, London. Show SE15 2BJ on a map.
Other trade companies in SE15
- Solmay Services LtdCleaning companies
- Max Lee Robinsons Property Services LtdPlumbers and heating engineers
- Aaluxe Cleaning LimitedCleaning companies
- Bronzewood Environmental Services LimitedFinishing trades
- Bashfield Facilities LtdCleaning companies
- Parcel Works Development LimitedProperty developers
- BSF Building Services LtdElectricians
- Pro Decor London LtdBuilders
What happens if Ad Window Cleaning Services 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 11985904
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 May 2019 (7 years ago)
- Registered office
- 7A Crewys Road, London, SE15 2BJ
- Nature of business
- General cleaning of buildings (SIC 81210)
Window cleaning services (SIC 81221) - Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 7 May 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 London
Other active cleaning companies registered in London.
- Adams Group SW Limited2025
- Adapt Cleaning Services Limited2012
- Add Mindful Cleaning Ltd2026
- Addicted2Cleaning Ltd2025
- Adeliluxe Cleaning Ltd2016
- Adelphi Commercial Cleaning Ltd2022
- Adja Cleaning Limited2021
- Adm - Cleaning & Management Services Ltd2026
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are Ad Window Cleaning Services Ltd's accounts due?
Ad Window Cleaning Services Ltd's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Ad Window Cleaning Services Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Ad Window Cleaning Services Ltd still trading?
Ad Window Cleaning Services 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 Ad Window Cleaning Services Ltd do?
Ad Window Cleaning Services Ltd is registered under General cleaning of buildings (SIC 81210); Window cleaning services (SIC 81221).
How old is Ad Window Cleaning Services Ltd?
Ad Window Cleaning Services Ltd was incorporated on 8 May 2019, 7 years ago.
Who runs Ad Window Cleaning Services Ltd?
Ad Window Cleaning Services Ltd has 1 active director, the longest-serving appointed in May 2019. Their names and service addresses are on the Companies House register.
Who owns Ad Window Cleaning Services Ltd?
One person or company has significant control of Ad Window Cleaning Services Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Ad Window Cleaning Services 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 Ad Window Cleaning Services 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.