- Companies
- Cleaning companies
- Glasgow
- Windowshine Ltd
Windowshine Ltd
- Company number
- SC851894
- Incorporated
- 11 Jun 20251 year trading
- Registered office
- 41 Morrison Street, Glasgow, G5 8LB
- Nature of business
- General cleaning of buildings; Window cleaning services
Windowshine Ltd is a 1-year-old private limited company registered in Glasgow, company number SC851894, one of 546 cleaning companies in Glasgow. Its next accounts are due at Companies House on 11 March 2027, and its first CT600 is due at HMRC on 10 June 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.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Windowshine LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where Windowshine Ltd is registered
The registered office is in Glasgow (G5), in the Glasgow City local authority area, Scotland. Show G5 8LB on a map.
Other trade companies in G5
- Wooden Bones LtdJoiners and carpenters
- Car Auto Tunes LtdMechanics and garages
- SK Wish818 Ltd LimitedInstallers
- Cjmcg LtdBuilders
- Pure Property Cleaners LtdCleaning companies
- Indus Brothers Construction and Engineering LtdBuilders
- Azad Engineering and Construction LtdBuilders
- Vero House LtdPlumbers and heating engineers
Also registered at this address
7 other companies use the same registered office as Windowshine Ltd.
- 786 Contracts LtdFinishing trades
- Binning & Sons LtdBuilders
- Dirko Investments LimitedMotor traders
- Iyyaz Developments LtdProperty developers
- Scu1 LtdProperty developers
- Ske1 LtdProperty developers
- Wom1 LtdProperty developers
What happens if Windowshine 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 11 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 12 Mar 2027 to 11 Apr 2027 | £150 |
| 1 to 3 months late | 12 Apr 2027 to 11 Jun 2027 | £375 |
| 3 to 6 months late | 12 Jun 2027 to 11 Sep 2027 | £750 |
| More than 6 months late | From 12 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- SC851894
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 June 2025 (1 year ago)
- Registered office
- 41 Morrison Street, Glasgow, G5 8LB
- Nature of business
- General cleaning of buildings (SIC 81210)
Window cleaning services (SIC 81221) - Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 9 June 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 Glasgow
Other active cleaning companies registered in Glasgow.
- XT Contracts Ltd2025
- XTR Cleaning Ltd2023
- Xtreme Carpet & Upholstery Cleaning Ltd.2021
- Yc Facilities Group Ltd2026
- Za Cleaning Team Ltd2024
- Zoe Domcare Limited2024
- Zone Car Wash Ltd2025
- 55 Clean Ltd2025
All cleaning companies in Glasgow · All trades in Glasgow · Cleaning companies across the UK
Frequently asked questions
When are Windowshine Ltd's accounts due?
Windowshine Ltd's next accounts are due at Companies House by 11 March 2027 (in 150 days), covering the period to 30 June 2026.
When is Windowshine 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 10 June 2026, due by 10 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Windowshine Ltd still trading?
Windowshine 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 Windowshine Ltd do?
Windowshine Ltd is registered under General cleaning of buildings (SIC 81210); Window cleaning services (SIC 81221).
How old is Windowshine Ltd?
Windowshine Ltd was incorporated on 11 June 2025, 1 year ago.
What is the penalty if Windowshine 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 Windowshine 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.