- Companies
- Electricians
- Neath
- Adam Williams (Neath) Electrical Ltd
Adam Williams (Neath) Electrical Ltd
- Company number
- 16331959
- Incorporated
- 20 Mar 20251 year trading
- Registered office
- 19 Chestnut Road, Neath, SA11 3PA
- Nature of business
- Electrical installation
Adam Williams (Neath) Electrical Ltd is a 1-year-old private limited company registered in Neath, company number 16331959, one of 36 electrical contractors in Neath. Its next accounts are due at Companies House on 20 December 2026, and its first CT600 is due at HMRC on 19 March 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where Adam Williams (Neath) Electrical Ltd is registered
The registered office is in Neath (SA11), in the Neath Port Talbot local authority area, Wales. Show SA11 3PA on a map.
Other trade companies in SA11
- A to Z Roofing & Property Maintenance LtdInstallers
- Kalies LtdProperty developers
- Tawe Capital LtdMotor traders
- Alewisindustrial LtdCleaning companies
- MJR Contracting LtdSpecialist contractors
- Joshjones Industrial LtdCleaning companies
- Phillips Roofing & Son LtdRoofers
- D&D Property Developments LimitedProperty developers
What happens if Adam Williams (Neath) 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 20 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Dec 2026 to 20 Jan 2027 | £150 |
| 1 to 3 months late | 21 Jan 2027 to 20 Mar 2027 | £375 |
| 3 to 6 months late | 21 Mar 2027 to 20 Jun 2027 | £750 |
| More than 6 months late | From 21 Jun 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
- 16331959
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 March 2025 (1 year ago)
- Registered office
- 19 Chestnut Road, Neath, SA11 3PA
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 19 March 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 Neath
Other active electrical contractors registered in Neath.
- Atom Solar Installations Ltd2026
- C.C.S. Neath Electrics Limited1977
- Chargepoint Solutions Ltd2021
- David Fisher Electrical Ltd2026
- Dead Cert Electrical Ltd2023
- DSH Electrical Ltd2023
- Electrical Installation & Testing Service Limited2004
- Emg Electrical Ltd2021
All electrical contractors in Neath · All trades in Neath · Electricians across the UK
Frequently asked questions
When are Adam Williams (Neath) Electrical Ltd's accounts due?
Adam Williams (Neath) Electrical Ltd's next accounts are due at Companies House by 20 December 2026 (in 68 days), covering the period to 31 March 2026.
When is Adam Williams (Neath) Electrical Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 19 March 2026, due by 19 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Adam Williams (Neath) Electrical Ltd still trading?
Adam Williams (Neath) 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 Adam Williams (Neath) Electrical Ltd do?
Adam Williams (Neath) Electrical Ltd is registered under Electrical installation (SIC 43210).
How old is Adam Williams (Neath) Electrical Ltd?
Adam Williams (Neath) Electrical Ltd was incorporated on 20 March 2025, 1 year ago.
What is the penalty if Adam Williams (Neath) 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 Adam Williams (Neath) 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.