- Companies
- Electricians
- Aylesbury
- Pro Phase Electrical Services Limited
Pro Phase Electrical Services Limited
- Company number
- 16731863
- Incorporated
- 21 Sep 20251 year trading
- Registered office
- 15 Gatehouse Road, Aylesbury, HP19 8EH
- Nature of business
- Electrical installation
Pro Phase Electrical Services Limited is a 1-year-old private limited company registered in Aylesbury, company number 16731863, one of 110 electrical contractors in Aylesbury. Its next accounts are due at Companies House on 21 June 2027, and its first CT600 is due at HMRC on 20 September 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 Pro Phase Electrical Services Limited is registered
The registered office is in Aylesbury (HP19), in the Buckinghamshire local authority area, South East. Show HP19 8EH on a map.
Other trade companies in HP19
- TPV Group LtdProperty developers
- Aylesbury Claims Management LtdMechanics and garages
- Abi Handyman LimitedFinishing trades
- KWK Properties LimitedProperty developers
- Redline Group Properties LimitedProperty developers
- Ridge and Crown Roofing LtdRoofers
- Lightning Performance Auto Services LimitedMechanics and garages
- Spartan Facades LtdSpecialist contractors
What happens if Pro Phase 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 21 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Jun 2027 to 21 Jul 2027 | £150 |
| 1 to 3 months late | 22 Jul 2027 to 21 Sep 2027 | £375 |
| 3 to 6 months late | 22 Sep 2027 to 21 Dec 2027 | £750 |
| More than 6 months late | From 22 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 16731863
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 September 2025 (1 year ago)
- Registered office
- 15 Gatehouse Road, Aylesbury, HP19 8EH
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 27 September 2026
- Previous names
- Core Switch Limited (until 25 Sep 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 Aylesbury
Other active electrical contractors registered in Aylesbury.
- Property DR Ltd2021
- R.O.D. Draintech Limited1997
- Residual Electrical Ltd2021
- RS Electrical Solutions Ltd2015
- S P Valentine & Co Ltd2017
- SNK Design Ltd2018
- Sol Projects Ltd2012
- Sparkx Group Limited2021
All electrical contractors in Aylesbury · All trades in Aylesbury · Electricians across the UK
Frequently asked questions
When are Pro Phase Electrical Services Limited's accounts due?
Pro Phase Electrical Services Limited's next accounts are due at Companies House by 21 June 2027 (in 252 days), covering the period to 30 September 2026.
When is Pro Phase 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 20 September 2026, due by 20 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Pro Phase Electrical Services Limited still trading?
Pro Phase 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 Pro Phase Electrical Services Limited do?
Pro Phase Electrical Services Limited is registered under Electrical installation (SIC 43210).
How old is Pro Phase Electrical Services Limited?
Pro Phase Electrical Services Limited was incorporated on 21 September 2025, 1 year ago.
What is the penalty if Pro Phase 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 Pro Phase 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.