- Companies
- Electricians
- Hayling Island
- Sean Mason Electrical Services Limited
Sean Mason Electrical Services Limited
- Company number
- 16404201
- Incorporated
- 23 Apr 20251 year trading
- Registered office
- 19 Mengham Lane, Hayling Island, PO11 9JT
- Nature of business
- Electrical installation
Sean Mason Electrical Services Limited is a 1-year-old private limited company registered in Hayling Island, company number 16404201, one of 11 electrical contractors in Hayling Island. Its next accounts are due at Companies House on 23 January 2027, and its first CT600 is due at HMRC on 22 April 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.
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Where Sean Mason Electrical Services Limited is registered
The registered office is in Hayling Island (PO11), in the Havant local authority area, South East. Show PO11 9JT on a map.
Other trade companies in PO11
- Savydoesglazing LtdGlaziers
- T&J Plastering and Dryling Projects LimitedBuilders
- Solent Seals PFP LtdBuilders
- Hectors Decor LtdPainters and decorators
- Chichester Classics LtdMechanics and garages
- Mercer Southern LtdBuilders
- R.J.Wheeler Builders LimitedProperty developers
- Reck Consultancy LtdBuilders
Also registered at this address
6 other companies use the same registered office as Sean Mason Electrical Services Limited.
- Andrew Green Building LimitedFinishing trades
- Chichester Classics LtdMechanics and garages
- Ede's Building LimitedFinishing trades
- R.J.Wheeler Builders LimitedProperty developers
- S Brighten Brickwork LimitedInstallers
- Shoefix LimitedRepair services
What happens if Sean Mason Electrical 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 23 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Jan 2027 to 23 Feb 2027 | £150 |
| 1 to 3 months late | 24 Feb 2027 to 23 Apr 2027 | £375 |
| 3 to 6 months late | 24 Apr 2027 to 23 Jul 2027 | £750 |
| More than 6 months late | From 24 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 16404201
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 April 2025 (1 year ago)
- Registered office
- 19 Mengham Lane, Hayling Island, PO11 9JT
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 22 April 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 Hayling Island
Other active electrical contractors registered in Hayling Island.
- SJT Electrical Services Limited2003
- Elite Solar and Electrical Limited2015
- Ensign Domestic Heating, Cooling & Electrical Ltd2024
- Excellent Electrical Ltd2022
- Fix Fit Test Electrical Ltd2021
- M L Wakely Electrical Limited2007
- N K Growns Electrical Limited2019
- Pcfe Ltd2020
All electrical contractors in Hayling Island · All trades in Hayling Island · Electricians across the UK
Frequently asked questions
When are Sean Mason Electrical Services Limited's accounts due?
Sean Mason Electrical Services Limited's next accounts are due at Companies House by 23 January 2027 (in 102 days), covering the period to 30 April 2026.
When is Sean Mason Electrical Services Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 22 April 2026, due by 22 April 2027, and one for the period to 30 April 2026, due by 30 April 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sean Mason Electrical Services Limited still trading?
Sean Mason Electrical 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 Sean Mason Electrical Services Limited do?
Sean Mason Electrical Services Limited is registered under Electrical installation (SIC 43210).
How old is Sean Mason Electrical Services Limited?
Sean Mason Electrical Services Limited was incorporated on 23 April 2025, 1 year ago.
What is the penalty if Sean Mason Electrical 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 Sean Mason Electrical 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.