- Companies
- Specialist contractors
- Exeter
- Williams Extra High Voltage Services Limited
Williams Extra High Voltage Services Limited
- Company number
- 07308365
- Incorporated
- 8 Jul 201016 years trading
- Registered office
- 13 Haven Close, Exeter, Devon, EX2 8EA
- Nature of business
- Other specialised construction activities n.e.c.
Williams Extra High Voltage Services Limited is a 16-year-old private limited company registered in Exeter, company number 07308365, one of 123 specialist construction companies in Exeter. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £11K (-74.8%) on the year before, to £3,621.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £38K against £32K owed within a year: 1.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Jul 2025 | £3,621 | £38K | £32K | 0 | |
| 31 Jul 2024 | £14K | £55K | £36K | 1 | |
| 31 Jul 2023 | £294 | £48K | £39K | 2 | |
| 31 Jul 2022 | £51 | £32K | £19K | 2 | |
| 31 Jul 2021 | £218 | £30K | £12K | 2 | |
| 31 Jul 2020 | £491 | £11K | £11K | 2 | |
| 31 Jul 2019 | £506 | £9,521 | £10K | ||
| 31 Jul 2018 | £329 | £6,816 | £8,230 | ||
| 31 Jul 2017 | £220 | £6,473 | £7,114 | ||
| 31 Jul 2016 | £42 | £989 | £6,809 | £7,915 |
Where Williams Extra High Voltage Services Limited is registered
The registered office is in Exeter (EX2), in the Exeter local authority area, South West. Show EX2 8EA on a map.
Other trade companies in EX2
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- Dent Care Exeter LtdMechanics and garages
- Reed Services LtdSpecialist contractors
- Renew Heat Southwest LtdPlumbers and heating engineers
- Roxel Constructions LimitedBuilders
- Watipa Electrics LimitedElectricians
- Solution Autobodies LtdMechanics and garages
- Abc Solutions (Exeter) LtdSpecialist contractors
What happens if Williams Extra High Voltage Services 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 07308365
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 July 2010 (16 years ago)
- Registered office
- 13 Haven Close, Exeter, Devon, EX2 8EA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 29 July 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Exeter
Other active specialist construction companies registered in Exeter.
- Wrenwood Renovations Limited2007
- Yellow Property Maintenance Ltd2024
- 1ST Services Devon Limited2003
- Abc Solutions (Exeter) Ltd2026
- Abode & Co SW Ltd2025
- Acland Plant Hire Limited2005
- Acorn Site Solutions Ltd2026
- Apex Services (South West) Limited1990
All specialist construction companies in Exeter · All trades in Exeter · Specialist contractors across the UK
Frequently asked questions
When are Williams Extra High Voltage Services Limited's accounts due?
Williams Extra High Voltage Services Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Williams Extra High Voltage Services Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Williams Extra High Voltage Services Limited still trading?
Williams Extra High Voltage Services 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 Williams Extra High Voltage Services Limited do?
Williams Extra High Voltage Services Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Williams Extra High Voltage Services Limited?
Williams Extra High Voltage Services Limited was incorporated on 8 July 2010, 16 years ago.
What is the penalty if Williams Extra High Voltage Services 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 Williams Extra High Voltage Services 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.