- Companies
- Electricians
- Trowbridge
- J. L. Thayer Electrical Ltd
J. L. Thayer Electrical Ltd
- Company number
- 10084373
- Incorporated
- 24 Mar 201610 years trading
- Registered office
- 47C Little Marsh, Semington, Trowbridge, Wiltshire, BA14 6JF
- Nature of business
- Electrical installation
J. L. Thayer Electrical Ltd is a 10-year-old private limited company registered in Trowbridge, company number 10084373, one of 32 electrical contractors in Trowbridge. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £3,780 (-92.2%) on the year before, to £319.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £62K against £66K owed within a year: 0.9 times cover.
- 6 employees on average, up from 5 the year before.
- Balance sheets on record for 5 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £319 | £15K | £62K | £66K | 6 |
| 31 Mar 2024 | £4,099 | £16K | £55K | £40K | 5 |
| 31 Mar 2019 | £23K | £20K | £34K | £14K | |
| 31 Mar 2018 | £345 | £18K | £25K | £29K | |
| 31 Mar 2017 | £2,195 | £8,676 | £11K | £14K |
Where J. L. Thayer Electrical Ltd is registered
The registered office is in Trowbridge (BA14), in the Wiltshire local authority area, South West. Show BA14 6JF on a map.
Other trade companies in BA14
- KR KR LtdBuilders
- BC Renovations and Construction LtdBuilders
- La Tide Cleaning Services LtdCleaning companies
- Bestway Paving LtdLandscapers and gardeners
- Prime Stone Projects LtdProperty developers
- Littleton Garage LtdMechanics and garages
- RW of Wiltshire LtdFinishing trades
- Obsidian Vehicle Works LtdMechanics and garages
What happens if J. L. Thayer Electrical Ltd 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 10084373
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 March 2016 (10 years ago)
- Registered office
- 47C Little Marsh, Semington, Trowbridge, Wiltshire, BA14 6JF
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 26 January 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 Trowbridge
Other active electrical contractors registered in Trowbridge.
- J. McQuaid Electrical Services Ltd.2004
- Limelight Electrical Ltd2018
- Linn Electrical Contractors Limited2002
- Mark Norris Electrical Limited2013
- Miles Mantay Electrical Ltd2020
- Net-Eco Ltd2021
- Nova Electrics Wiltshire Limited2026
- Nu-Concept Electrical Ltd2021
All electrical contractors in Trowbridge · All trades in Trowbridge · Electricians across the UK
Frequently asked questions
When are J. L. Thayer Electrical Ltd's accounts due?
J. L. Thayer Electrical Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is J. L. Thayer Electrical Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is J. L. Thayer Electrical Ltd still trading?
J. L. Thayer Electrical Ltd 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 J. L. Thayer Electrical Ltd do?
J. L. Thayer Electrical Ltd is registered under Electrical installation (SIC 43210).
How old is J. L. Thayer Electrical Ltd?
J. L. Thayer Electrical Ltd was incorporated on 24 March 2016, 10 years ago.
What is the penalty if J. L. Thayer Electrical Ltd 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 J. L. Thayer Electrical Ltd 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.