- Companies
- Electricians
- Ruislip
- Booth Sinclair Electrical Limited
Booth Sinclair Electrical Limited
- Company number
- 14288035
- Incorporated
- 10 Aug 20224 years trading
- Registered office
- C/O KDL Accountants, 1F Pembroke House,, 5-9 Pembroke Road,, Ruislip, Middlesex, HA4 8NQ
- Nature of business
- Electrical installation
Booth Sinclair Electrical Limited is a 4-year-old private limited company registered in Ruislip, company number 14288035, one of 89 electrical contractors in Ruislip. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Booth Sinclair Electrical LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £11K (-45.2%) on the year before, to £13K.
- Current assets of £136K against £122K owed within a year: 1.1 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £13K | £1,806 | £136K | £122K | 2 |
| 31 Aug 2024 | £24K | £96K | £71K | 2 | |
| 31 Aug 2023 | £3,905 | £17 | £32K | £28K | 2 |
Where Booth Sinclair Electrical Limited is registered
The registered office is in Ruislip (HA4), in the Hillingdon local authority area, London. Show HA4 8NQ on a map.
Other trade companies in HA4
- SSC London LtdGroundworks and demolition
- DCR Industriltdal LtdPainters and decorators
- Katardino Monten for General Contracting and Supplies LtdCivil engineering
- Apex Build & Move LtdBuilders
- Ridgeway Building Contracts LimitedProperty developers
- Azya Farah LtdBuilders
- Howdens Roofing & Guttering LimitedRoofers
- Vetro Glazing LimitedGlaziers
Shared registered office
40 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Booth 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 14288035
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 August 2022 (4 years ago)
- Registered office
- C/O KDL Accountants, 1F Pembroke House,, 5-9 Pembroke Road,, Ruislip, Middlesex, HA4 8NQ
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 4 November 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 Ruislip
Other active electrical contractors registered in Ruislip.
- Bright Spark Engineering Ltd2020
- C K T Electrical Limited2014
- C&T Electrical Contractors Ltd2015
- Cab Construction Limited2010
- CD Electric Services Ltd2023
- CDM Electrical London Ltd2025
- Copperhead Electric Ltd2013
- Cube Power Ltd2019
All electrical contractors in Ruislip · All trades in Ruislip · Electricians across the UK
Frequently asked questions
When are Booth Sinclair Electrical Limited's accounts due?
Booth Sinclair Electrical Limited's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Booth Sinclair Electrical Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Booth Sinclair Electrical Limited still trading?
Booth 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 Booth Sinclair Electrical Limited do?
Booth Sinclair Electrical Limited is registered under Electrical installation (SIC 43210).
How old is Booth Sinclair Electrical Limited?
Booth Sinclair Electrical Limited was incorporated on 10 August 2022, 4 years ago.
What is the penalty if Booth 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 Booth 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.