- Companies
- Electricians
- Serkit Electrical Limited
Serkit Electrical Limited
- Company number
- 05028443
- Incorporated
- 28 Jan 200422 years trading
- Registered office
- Unit 29 Rotherham Close, Norwood Industrial Estate, Killamarsh Sheffield, South Yorkshire, S21 2JU
- Nature of business
- Electrical installation
Serkit Electrical Limited is a 22-year-old private limited company registered in Killamarsh Sheffield, company number 05028443, one of the UK's electrical contractors. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 down £58K (-24.5%) on the year before, to £178K.
- Net assets rose in 1 of 5 year-on-year comparisons on record.
- Current assets of £119K against £79K owed within a year: 1.5 times cover.
- 5 employees on average, down from 6 the year before.
- Balance sheets on record for 7 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £178K | £142 | £119K | £79K | 5 |
| 29 Feb 2024 | £236K | £143 | £117K | £44K | 6 |
| 28 Feb 2023 | £255K | £282 | £236K | £137K | 6 |
| 28 Feb 2022 | £271K | £42K | £238K | £80K | 6 |
| 28 Feb 2021 | £299K | £70 | £275K | £120K | 8 |
| 28 Feb 2016 | £167K | £28K | £170K | £97K | |
| 28 Feb 2015 | £108K | £227 | £234K | £227K |
Who runs and owns Serkit Electrical Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| M*** W*** | Director | Jan 2004 |
| M*** W*** | Director | Jan 2004 |
| M*** W*** | Secretary | Jan 2004 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Ashburton Registrars Limited | Corporate Nominee Secretary | Jan 2004 | Jan 2004 |
| Ar Nominees Limited | Nominee director (company) | Jan 2004 | Jan 2004 |
People with significant control (2)
Charges (secured borrowing)
1 of 1 registered charge is outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| HSBC Bank PLC | Outstanding | Apr 2004 |
Where Serkit Electrical Limited is registered
The registered office is in Killamarsh Sheffield (S21), in the North East Derbyshire local authority area, East Midlands. Show S21 2JU on a map.
Other trade companies in S21
- Oak & Beam LimitedBuilders
- Precision Tree Care LimitedLandscapers and gardeners
- Trueshift Autos LtdMotor traders
- Flowright Services LtdPlumbers and heating engineers
- Crusade Part Solutions LtdMotor traders
- RMK Cooling Systems LimitedPlumbers and heating engineers
- Mills Capital LtdProperty developers
- Apex Integrity Access LtdScaffolders
Also registered at this address
1 other company uses the same registered office as Serkit Electrical Limited.
- Navitas Solar Installations LimitedSpecialist contractors
What happens if Serkit 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 05028443
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 January 2004 (22 years ago)
- Registered office
- Unit 29 Rotherham Close, Norwood Industrial Estate, Killamarsh Sheffield, South Yorkshire, S21 2JU
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 28 January 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
Other active electrical contractors.
Frequently asked questions
When are Serkit Electrical Limited's accounts due?
Serkit Electrical Limited's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Serkit Electrical Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Serkit Electrical Limited still trading?
Serkit 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 Serkit Electrical Limited do?
Serkit Electrical Limited is registered under Electrical installation (SIC 43210).
How old is Serkit Electrical Limited?
Serkit Electrical Limited was incorporated on 28 January 2004, 22 years ago.
Who runs Serkit Electrical Limited?
Serkit Electrical Limited has 2 active directors, the longest-serving appointed in Jan 2004. Their names and service addresses are on the Companies House register.
Who owns Serkit Electrical Limited?
2 people or companies have significant control of Serkit Electrical Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Serkit 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 Serkit 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.