- Companies
- Electricians
- Glasgow
- Sinclair Industrial Ltd
Sinclair Industrial Ltd
- Company number
- SC831392
- Incorporated
- 9 Dec 20241 year trading
- Registered office
- 8 Kirkhill Crescent, Glasgow, G78 3NS
- Nature of business
- Electrical installation; Other engineering activities
Sinclair Industrial Ltd is a 1-year-old private limited company registered in Glasgow, company number SC831392, one of 623 electrical contractors in Glasgow. Companies House shows its accounts as overdue: they were due on 9 September 2026.
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.
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Where Sinclair Industrial Ltd is registered
The registered office is in Glasgow (G78), in the East Renfrewshire local authority area, Scotland. Show G78 3NS on a map.
Other trade companies in G78
- Northpoint Joinery and Constructiom LimitedBuilders
- Concept Construction Developments LtdBuilders
- VDV Fibre Group LtdFinishing trades
- Alan Access LtdCivil engineering
- RGB Contracting LtdGroundworks and demolition
- Cag Access Solutions LimitedCivil engineering
- Lynch Insulation & Access LtdInstallers
- Elmar Landscaping LtdLandscapers and gardeners
What happens if Sinclair Industrial Ltd files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Sep 2026 to 9 Oct 2026 | £150 |
| 1 to 3 months late | 10 Oct 2026 to 9 Dec 2026 | £375 |
| 3 to 6 months late | 10 Dec 2026 to 9 Mar 2027 | £750 |
| More than 6 months late | From 10 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- SC831392
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 December 2024 (1 year ago)
- Registered office
- 8 Kirkhill Crescent, Glasgow, G78 3NS
- Nature of business
- Electrical installation (SIC 43210)
Other engineering activities (SIC 71129) - Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 20 December 2025
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Glasgow
Other active electrical contractors registered in Glasgow.
- Sirmart Handyman Services Limited2024
- SJH Rope Spark Ltd2025
- SK Invicta Electrical Ltd2022
- SK1 Electrical Ltd2026
- SKM Electrical Services Ltd2026
- SLS Electrics Ltd2023
- SM Electrical Services (Scotland) Ltd2016
- SM Electrix Ltd2015
All electrical contractors in Glasgow · All trades in Glasgow · Electricians across the UK
Frequently asked questions
When are Sinclair Industrial Ltd's accounts due?
Sinclair Industrial Ltd's accounts were due at Companies House on 9 September 2026 and the register shows them as overdue.
When is Sinclair Industrial 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 8 December 2025, due by 8 December 2026, and one for the period to 31 December 2025, due by 31 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sinclair Industrial Ltd still trading?
Sinclair Industrial Ltd is listed as active on the Companies House register (checked 12 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 Industrial Ltd do?
Sinclair Industrial Ltd is registered under Electrical installation (SIC 43210); Other engineering activities (SIC 71129).
How old is Sinclair Industrial Ltd?
Sinclair Industrial Ltd was incorporated on 9 December 2024, 1 year ago.
What is the penalty if Sinclair Industrial 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 Industrial Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.