- Companies
- Electricians
- Glasgow
- C Main Electrical Services Ltd
C Main Electrical Services Ltd
- Company number
- SC639314
- Incorporated
- 20 Aug 20197 years trading
- Registered office
- Flat 0/2, 10 Gryffe ST, Glasgow, G44 4BD
- Nature of business
- Electrical installation; Wireless telecommunications activities
C Main Electrical Services Ltd is a 7-year-old private limited company registered in Glasgow, company number SC639314, one of 623 electrical contractors in Glasgow. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the 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 C Main Electrical Services 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.
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 £1,778 (+30.5%) on the year before, to £7,600.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £18K against £12K owed within a year: 1.5 times cover.
- 2 employees on average during the year.
- 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 Aug 2025 | £7,600 | £18K | £12K | 2 | |
| 31 Aug 2024 | £5,822 | £14K | £10K | 2 | |
| 31 Aug 2023 | £9,481 | £22K | £16K | 2 | |
| 31 Aug 2022 | £3,560 | £10K | £6,543 | 1 | |
| 31 Aug 2021 | £13K | £19K | £5,811 | 1 | |
| 31 Aug 2020 | £5 | £1,854 | £1,849 | 1 |
Where C Main Electrical Services Ltd is registered
The registered office is in Glasgow (G44), in the Glasgow City local authority area, Scotland. Show G44 4BD on a map.
Other trade companies in G44
- BJB Access LtdScaffolders
- Jab Energy LtdInstallers
- DS Project Management LtdCivil engineering
- Scottgas LimitedPlumbers and heating engineers
- NRB Plant LtdCivil engineering
- CMD Joinery All Aspects LtdJoiners and carpenters
- DFW Contracts LimitedInstallers
- Elevate Cleaning Solutions LtdCleaning companies
What happens if C Main Electrical 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 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- SC639314
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 August 2019 (7 years ago)
- Registered office
- Flat 0/2, 10 Gryffe ST, Glasgow, G44 4BD
- Nature of business
- Electrical installation (SIC 43210)
Wireless telecommunications activities (SIC 61200) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 19 August 2026
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.
- C. Boyd Electrical Contractors Ltd.2008
- C.E.S. (Scotland) Limited2010
- Cablz Limited2007
- Caffrey Electrical Limited2003
- Caird Electrical Limited2025
- Calmas Electrical Limited2021
- Calton Electrical Ltd2026
- Canning’S Electrical Ltd2022
All electrical contractors in Glasgow · All trades in Glasgow · Electricians across the UK
Frequently asked questions
When are C Main Electrical Services Ltd's accounts due?
C Main Electrical Services Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is C Main Electrical Services Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is C Main Electrical Services Ltd still trading?
C Main Electrical 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 C Main Electrical Services Ltd do?
C Main Electrical Services Ltd is registered under Electrical installation (SIC 43210); Wireless telecommunications activities (SIC 61200).
How old is C Main Electrical Services Ltd?
C Main Electrical Services Ltd was incorporated on 20 August 2019, 7 years ago.
What is the penalty if C Main Electrical 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 C Main Electrical 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.