- Companies
- Electricians
- Glasgow
- K Duffy Electrical Services Ltd
K Duffy Electrical Services Ltd
- Company number
- SC522909
- Incorporated
- 21 Dec 201510 years trading
- Registered office
- 37 Brentwood Avenue, Glasgow, G53 7AD
- Nature of business
- Electrical installation
K Duffy Electrical Services Ltd is a 10-year-old private limited company registered in Glasgow, company number SC522909, one of 623 electrical contractors in Glasgow. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £146 (+16.3%) on the year before, to £1,039.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £1,621 against £1,027 owed within a year: 1.6 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £1,039 | £1,621 | £1,027 | 0 | |
| 30 Apr 2024 | £893 | £1,598 | £1,263 | 0 | |
| 30 Apr 2023 | £479 | £2,700 | £2,965 | 0 | |
| 30 Apr 2022 | £9 | £2,578 | £3,499 | 0 | |
| 30 Apr 2021 | £8,494 | £33K | £43K | 0 | |
| 30 Apr 2020 | £643 | £4,181 | £3,663 | 1 | |
| 30 Apr 2019 | £2,073 | £7,277 | £5,371 | ||
| 30 Apr 2018 | £575 | £3,527 | £3,174 | ||
| 30 Apr 2017 | £3,559 | £6,882 | £3,323 | ||
| 30 Apr 2016 | £1 | £1 |
Where K Duffy Electrical Services Ltd is registered
The registered office is in Glasgow (G53), in the Glasgow City local authority area, Scotland. Show G53 7AD on a map.
Other trade companies in G53
- SK1 Electrical LtdElectricians
- Elitewheel Motors LtdMechanics and garages
- Techno Cold LtdPlumbers and heating engineers
- Cab Direct 4U LtdMotor traders
- Scotivo LtdCleaning companies
- International Construction Consultants LtdScaffolders
- MM Aviation Services LtdMachinery repair and installation
- Jordyn Donlin LtdElectricians
What happens if K Duffy 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- SC522909
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 December 2015 (10 years ago)
- Registered office
- 37 Brentwood Avenue, Glasgow, G53 7AD
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- 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.
- Kan Contracts (Scotland) Limited2025
- Kce Operations Limited2020
- KCJ Enterprises Limited2015
- KD Control and Power Solutions Ltd2024
- Kearn Electrical Ltd2024
- Kelvin Survey Services Ltd2024
- Kemtech Ltd2025
- Kenny Estates Ltd2025
All electrical contractors in Glasgow · All trades in Glasgow · Electricians across the UK
Frequently asked questions
When are K Duffy Electrical Services Ltd's accounts due?
K Duffy Electrical Services Ltd's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is K Duffy Electrical Services Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is K Duffy Electrical Services Ltd still trading?
K Duffy 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 K Duffy Electrical Services Ltd do?
K Duffy Electrical Services Ltd is registered under Electrical installation (SIC 43210).
How old is K Duffy Electrical Services Ltd?
K Duffy Electrical Services Ltd was incorporated on 21 December 2015, 10 years ago.
What is the penalty if K Duffy 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 K Duffy 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.