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- Sinclair Electrical Limited
Company profile · Electricians
Sinclair Electrical Limited
Sinclair Electrical Limited is a 9-year-old private limited company registered in St Helens, company number 10834861, one of 57 electrical contractors in St Helens. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Sinclair Electrical Limited over the years
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 £54K (-88.7%) on the year before, to £6,811.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £32K against £160K owed within a year: 0.2 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £6,811 | £32K | £160K | 4 | |
| 31 Jan 2024 | £60K | £30K | £148K | 4 | |
| 31 Jan 2023 | £31K | £74K | £199K | 3 | |
| 31 Jan 2022 | £57K | £109K | £167K | 3 | |
| 31 Jan 2021 | £57K | £45K | £113K | 3 | |
| 31 Jan 2020 | £28K | £19K | £115K | 2 | |
| 31 Jan 2019 | £17K | £22K | £62K | 2 | |
| 31 Jan 2018 | £21K | £15K | £74K | £53K | 2 |
Where Sinclair Electrical Limited is registered
The registered office is in St Helens (WA9), in the St. Helens local authority area, North West. Show WA9 1RJ on a map.
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- Solar Canopy Solutions LtdElectricians
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- Completel Brickwork & Landscaping LtdBuilders
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Also registered at this address
1 other company uses the same registered office as Sinclair Electrical Limited.
- G Sinclair Electrical Services LimitedMachinery repair and installation
What happens if Sinclair 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 10834861
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 June 2017 (9 years ago)
- Registered office
- 15 Roysten Gardens, St Helens, WA9 1RJ
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 22 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 St Helens
Other active electrical contractors registered in St Helens.
- SJT Services Ltd2003
- Solar Canopy Solutions Ltd2026
- Sunmate Ltd2025
- SW Electrical (UK) Limited2004
- TCB Electrical Ltd2022
- Titanconnections Ltd2025
- Tlek Ltd2020
- Topp Electrical Services Limited2014
All electrical contractors in St Helens · All trades in St Helens · Electricians across the UK
Frequently asked questions
When are Sinclair Electrical Limited's accounts due?
Sinclair Electrical Limited's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Sinclair Electrical Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Sinclair Electrical Limited still trading?
Sinclair 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 Sinclair Electrical Limited do?
Sinclair Electrical Limited is registered under Electrical installation (SIC 43210).
How old is Sinclair Electrical Limited?
Sinclair Electrical Limited was incorporated on 23 June 2017, 9 years ago.
What is the penalty if Sinclair 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 Sinclair 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.