- Companies
- Electricians
- Slough
- GK Electricals London Ltd
GK Electricals London Ltd
- Company number
- 16540357
- Incorporated
- 25 Jun 20251 year trading
- Registered office
- 190 Knolton Way, Slough, Berkshire, SL2 5RS
- Nature of business
- Electrical installation; Other construction installation
GK Electricals London Ltd is a 1-year-old private limited company registered in Slough, company number 16540357, one of 101 electrical contractors in Slough. Its next accounts are due at Companies House on 25 March 2027, and its first CT600 is due at HMRC on 24 June 2027.
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.
Is this your company?
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Where GK Electricals London Ltd is registered
The registered office is in Slough (SL2), in the Slough local authority area, South East. Show SL2 5RS on a map.
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What happens if GK Electricals London 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 25 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 Mar 2027 to 25 Apr 2027 | £150 |
| 1 to 3 months late | 26 Apr 2027 to 25 Jun 2027 | £375 |
| 3 to 6 months late | 26 Jun 2027 to 25 Sep 2027 | £750 |
| More than 6 months late | From 26 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 16540357
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 June 2025 (1 year ago)
- Registered office
- 190 Knolton Way, Slough, Berkshire, SL2 5RS
- Nature of business
- Electrical installation (SIC 43210)
Other construction installation (SIC 43290) - Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 24 June 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 Slough
Other active electrical contractors registered in Slough.
- Group Construct Ltd2018
- Headstorm Ltd2020
- Icraft Electrical Services Ltd2023
- Isparky Electrical Services Limited2010
- J Banger Limited2011
- Jas Electrical & Security Services Ltd2017
- JK Plumb Gas and Electrics Ltd2011
- JTG Electrical Services Limited2025
All electrical contractors in Slough · All trades in Slough · Electricians across the UK
Frequently asked questions
When are GK Electricals London Ltd's accounts due?
GK Electricals London Ltd's next accounts are due at Companies House by 25 March 2027 (in 163 days), covering the period to 30 June 2026.
When is GK Electricals London 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 24 June 2026, due by 24 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is GK Electricals London Ltd still trading?
GK Electricals London 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 GK Electricals London Ltd do?
GK Electricals London Ltd is registered under Electrical installation (SIC 43210); Other construction installation (SIC 43290).
How old is GK Electricals London Ltd?
GK Electricals London Ltd was incorporated on 25 June 2025, 1 year ago.
What is the penalty if GK Electricals London 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 GK Electricals London 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.