- Companies
- Cleaning companies
- Glasgow
- Cleantech Scotland Ltd
Cleantech Scotland Ltd
- Company number
- SC440591
- Incorporated
- 18 Jan 201313 years trading
- Registered office
- Clyde Offices, 48 West George Street, Glasgow, G2 1BP
- Nature of business
- Window cleaning services
Cleantech Scotland Ltd is a 13-year-old private limited company registered in Glasgow, company number SC440591, one of 546 cleaning companies in Glasgow. Companies House shows its accounts as overdue: they were due on 31 March 2026.
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 £2,667 (-650.5%) on the year before, to -£2,257.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £69K against £67K owed within a year: 1.0 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2024 | -£2,257 | £69K | £67K | 3 | |
| 31 Mar 2023 | £410 | £59K | £51K | 3 | |
| 31 Mar 2022 | £187 | £43K | £33K | 3 | |
| 31 Mar 2021 | £175 | £38K | £25K | 3 | |
| 31 Mar 2020 | £283 | £19K | £20K | 3 | |
| 31 Mar 2019 | £147 | £12K | £13K | ||
| 31 Mar 2018 | £304 | £7,457 | £9,256 | ||
| 31 Mar 2017 | £135 | £13K | £14K | ||
| 31 Mar 2016 | £290 | £47 | £5,842 | £11K | |
| 31 Mar 2015 | £441 | £478 | £8,096 | £12K |
Where Cleantech Scotland Ltd is registered
The registered office is in Glasgow (G2), in the Glasgow City local authority area, Scotland. Show G2 1BP on a map.
Other trade companies in G2
- Averloch Contracting LimitedCivil engineering
- Halcyon Sports Services LtdProperty developers
- Kiess & Co. Decorators LtdPainters and decorators
- The Three Sisters Furniture and Flooring LtdFloor and wall tilers
- Projectform Construction LtdJoiners and carpenters
- The Scaffold Network Scotland LtdScaffolders
- Hanlon Property Solutions LtdJoiners and carpenters
- Bellroc Mould Solutions LimitedPainters and decorators
Shared registered office
51 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Cleantech Scotland Ltd files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2026 to 30 Apr 2026 | £150 |
| 1 to 3 months late | 1 May 2026 to 30 Jun 2026 | £375 |
| 3 to 6 months late | 1 Jul 2026 to 30 Sep 2026 | £750 |
| More than 6 months late | From 1 Oct 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2026 | £200 |
| 3 months late | 30 Sep 2026 | another £200 |
| 6 months late | 30 Dec 2026 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 2027 | 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
- SC440591
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 January 2013 (13 years ago)
- Registered office
- Clyde Offices, 48 West George Street, Glasgow, G2 1BP
- Nature of business
- Window cleaning services (SIC 81221)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2024
- Last confirmation statement
- 18 January 2026
- Previous names
- Window Cleaning (Scotland) Ltd (until 4 Jul 2022)
Giffnock Window Cleaners Ltd (until 28 Feb 2019)
Ultraclean (Scotland) Ltd (until 8 Sep 2017)
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.
- Cleantek Ltd2018
- Clear Path Cleaners Ltd2024
- Clear View Window Cleaning (Scotland) Ltd2025
- Clearline Cleaning Group Ltd2026
- Clearpoint Residential Ltd2025
- Clearpoint Window Cleaning Limited2020
- Clearway Ancillary Solutions Ltd2004
- Clinical Disinfection Services Limited2024
All cleaning companies in Glasgow · All trades in Glasgow · Cleaning companies across the UK
Frequently asked questions
When are Cleantech Scotland Ltd's accounts due?
Cleantech Scotland Ltd's accounts were due at Companies House on 31 March 2026 and the register shows them as overdue.
When is Cleantech Scotland 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 31 March 2025, due by 31 March 2026, and one for the period to 30 June 2025, due by 30 June 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cleantech Scotland Ltd still trading?
Cleantech Scotland Ltd is listed as active on the Companies House register (checked 13 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 Cleantech Scotland Ltd do?
Cleantech Scotland Ltd is registered under Window cleaning services (SIC 81221).
How old is Cleantech Scotland Ltd?
Cleantech Scotland Ltd was incorporated on 18 January 2013, 13 years ago.
What is the penalty if Cleantech Scotland 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 Cleantech Scotland Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.