- Companies
- Electricians
- Leven
- John Williamson Electrical Limited
John Williamson Electrical Limited
- Company number
- SC444801
- Incorporated
- 11 Mar 201313 years trading
- Registered office
- The Cross, Windygates, Leven, Fife, KY8 5DD
- Nature of business
- Electrical installation
John Williamson Electrical Limited is a 13-year-old private limited company registered in Leven, company number SC444801, one of 8 electrical contractors in Leven. Its next accounts are due at Companies House on 28 January 2028, and the CT600 for the period to 28 April 2027 is due at HMRC on 28 April 2028.
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 £39K (+16.9%) on the year before, to £268K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £491K against £280K owed within a year: 1.8 times cover.
- 17 employees on average, up from 16 the year before.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 29 Apr 2026 | £268K | £357 | £491K | £280K | 17 |
| 29 Apr 2025 | £229K | £459 | £478K | £306K | 16 |
| 29 Apr 2024 | £211K | £391 | £467K | £297K | 16 |
| 29 Apr 2023 | £140K | £19K | £386K | £249K | 18 |
| 29 Apr 2022 | £78K | £339 | £354K | £286K | 17 |
| 29 Apr 2021 | £13K | £244 | £225K | £233K | 16 |
| 29 Apr 2020 | -£23K | £5,358 | £128K | £254K | 15 |
| 29 Apr 2019 | £48K | £2,541 | £229K | £314K | |
| 29 Apr 2018 | £11K | £4,565 | £217K | £360K | 13 |
| 30 Apr 2017 | £20K | £651 | £191K | £275K | 16 |
Where John Williamson Electrical Limited is registered
The registered office is in Leven (KY8), in the Fife local authority area, Scotland. Show KY8 5DD on a map.
Other trade companies in KY8
- (Eis) Eaakiq Inspection Services LimitedSpecialist contractors
- Sutherland Plumbing & Heating LtdPlumbers and heating engineers
- Fisher Precision Plumbing & Heating LtdPlumbers and heating engineers
- Lynch Commercial Property LtdBuilders
- RD Electrical Services (RD) LtdElectricians
- G&R Rewires&Renewables LtdElectricians
- Ep Plumbing & Heating (Fife) LimitedPlumbers and heating engineers
- Hunters View Roofing LtdRoofers
What happens if John Williamson Electrical Limited 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 28 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Jan 2028 to 28 Feb 2028 | £150 |
| 1 to 3 months late | 29 Feb 2028 to 28 Apr 2028 | £375 |
| 3 to 6 months late | 29 Apr 2028 to 28 Jul 2028 | £750 |
| More than 6 months late | From 29 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Apr 2028 | £200 |
| 3 months late | 28 Jul 2028 | another £200 |
| 6 months late | 28 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Apr 2029 | 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
- SC444801
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 March 2013 (13 years ago)
- Registered office
- The Cross, Windygates, Leven, Fife, KY8 5DD
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 28 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 29 April 2026
- Last confirmation statement
- 24 February 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Leven
Other active electrical contractors registered in Leven.
- La Industrial Services Limited2022
- RD Electrical Services (RD) Ltd2026
- Stark Street Contracts Limited2023
- Fixed Wire Testing Scotland Ltd2025
- G&R Rewires&Renewables Ltd2026
- Gordon Eason Electrical Limited2023
- JLC Construction Services Limited2024
All electrical contractors in Leven · All trades in Leven · Electricians across the UK
Frequently asked questions
When are John Williamson Electrical Limited's accounts due?
John Williamson Electrical Limited's next accounts are due at Companies House by 28 January 2028 (in 473 days), covering the period to 28 April 2027.
When is John Williamson Electrical Limited's CT600 due?
The CT600 for the period to 28 April 2027 is due at HMRC by 28 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 29 January 2028.
Is John Williamson Electrical Limited still trading?
John Williamson Electrical Limited 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 John Williamson Electrical Limited do?
John Williamson Electrical Limited is registered under Electrical installation (SIC 43210).
How old is John Williamson Electrical Limited?
John Williamson Electrical Limited was incorporated on 11 March 2013, 13 years ago.
What is the penalty if John Williamson Electrical Limited 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 John Williamson Electrical Limited 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.