- Companies
- Cleaning companies
- Glasgow
- Sinclair Industries Ltd
Sinclair Industries Ltd
- Company number
- SC667365
- Incorporated
- 14 Jul 20206 years trading
- Registered office
- 48 Clyde Offices, 2ND Floow, 48 West George Street, Glasgow, G2 1BP
- Nature of business
- General cleaning of buildings
Sinclair Industries Ltd is a 6-year-old private limited company registered in Glasgow, company number SC667365, one of 546 cleaning companies in Glasgow. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 up £7,605 on the year before, to £7,785.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £38K against £38K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £7,785 | £38K | £38K | 1 | |
| 31 Jul 2024 | £180 | £129 | £309 | 1 | |
| 31 Jul 2023 | £45 | £579 | £534 | 1 | |
| 31 Jul 2022 | £45 | £579 | £534 | 1 | |
| 31 Jul 2021 | £45 | £579 | £534 | 1 |
Where Sinclair Industries Ltd is registered
The registered office is in Glasgow (G2), in the Glasgow City local authority area, Scotland. Show G2 1BP on a map.
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- Projectform Construction LtdJoiners and carpenters
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- Bellroc Mould Solutions LimitedPainters and decorators
What happens if Sinclair Industries 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- SC667365
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 July 2020 (6 years ago)
- Registered office
- 48 Clyde Offices, 2ND Floow, 48 West George Street, Glasgow, G2 1BP
- Nature of business
- General cleaning of buildings (SIC 81210)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 19 August 2026
- Previous names
- Sinclair Roofing Services Limited (until 1 Nov 2024)
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.
- Sky Wash Limited2025
- SM Cleaningsolutions Ltd2018
- SM Duct Cleaning Ltd2026
- SM Powerclean Limited2022
- SM Services Glasgow Limited2020
- Smart Roof and Wall Coatings Limited2014
- Smcsg Ltd2021
- Soapy Bubble Cleaning Limited2026
All cleaning companies in Glasgow · All trades in Glasgow · Cleaning companies across the UK
Frequently asked questions
When are Sinclair Industries Ltd's accounts due?
Sinclair Industries Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Sinclair Industries Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Sinclair Industries Ltd still trading?
Sinclair Industries 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 Sinclair Industries Ltd do?
Sinclair Industries Ltd is registered under General cleaning of buildings (SIC 81210).
How old is Sinclair Industries Ltd?
Sinclair Industries Ltd was incorporated on 14 July 2020, 6 years ago.
What is the penalty if Sinclair Industries 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 Sinclair Industries 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.