- Companies
- Electricians
- Newmarket
- SW Electrical Services (UK) Limited
SW Electrical Services (UK) Limited
- Company number
- 05897725
- Incorporated
- 7 Aug 200620 years trading
- Registered office
- 7 Laureate Paddocks, Newmarket, Suffolk, CB8 0AP
- Nature of business
- Electrical installation
SW Electrical Services (UK) Limited is a 20-year-old private limited company registered in Newmarket, company number 05897725, one of 28 electrical contractors in Newmarket. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £12K on the year before, to -£12K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £2,715 against £14K owed within a year: 0.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | -£12K | £2,715 | £14K | 1 | |
| 31 Aug 2024 | £189 | £4,749 | £6,572 | 1 | |
| 31 Aug 2023 | £170 | £22K | £22K | 1 | |
| 31 Aug 2022 | £784 | £35K | £30K | 1 | |
| 31 Aug 2021 | £9,879 | £54K | £31K | 1 | |
| 31 Aug 2020 | £14K | £63K | £30K | 1 | |
| 31 Aug 2019 | £3,372 | £13K | £13K | ||
| 31 Aug 2018 | £28 | £4,372 | £9,077 | ||
| 31 Aug 2017 | £1,340 | £5,416 | £9,293 | ||
| 31 Aug 2016 | £4,625 | £4,918 | £13K | £10K |
Where SW Electrical Services (UK) Limited is registered
The registered office is in Newmarket (CB8), in the West Suffolk local authority area, East of England. Show CB8 0AP on a map.
Other trade companies in CB8
- Houndworks Property Maintenance LtdCleaning companies
- Ajm Carpentry & Construction LtdBuilders
- Gemland Automotive LimitedMechanics and garages
- Safi Autobody Shop LimitedMechanics and garages
- BC Plumbing & Heating Contractors LtdPlumbers and heating engineers
- Anglia Landscaping Group LimitedLandscapers and gardeners
- Zee Mobile Tyres LtdMotor traders
- Ajs Developments (Burwell) LimitedProperty developers
Shared registered office
45 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 SW Electrical Services (UK) 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 05897725
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 August 2006 (20 years ago)
- Registered office
- 7 Laureate Paddocks, Newmarket, Suffolk, CB8 0AP
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 7 August 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 Newmarket
Other active electrical contractors registered in Newmarket.
- Wares Electrical Services Ltd2018
- Andrew Pollard Ltd2002
- Apic Electrical Design Limited2022
- Bradford Electrical Limited2007
- Brightday Electrical Limited2025
- Cartwright Brothers Limited2015
- Copping Electrical Services Limited2010
- CSL Newmarket Electrical Ltd2024
All electrical contractors in Newmarket · All trades in Newmarket · Electricians across the UK
Frequently asked questions
When are SW Electrical Services (UK) Limited's accounts due?
SW Electrical Services (UK) Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is SW Electrical Services (UK) Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is SW Electrical Services (UK) Limited still trading?
SW Electrical Services (UK) Limited is listed as active on the Companies House register (checked 13 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 SW Electrical Services (UK) Limited do?
SW Electrical Services (UK) Limited is registered under Electrical installation (SIC 43210).
How old is SW Electrical Services (UK) Limited?
SW Electrical Services (UK) Limited was incorporated on 7 August 2006, 20 years ago.
What is the penalty if SW Electrical Services (UK) 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 SW Electrical Services (UK) Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.