- Companies
- Electricians
- Billericay
- Onyx Electrical UK Ltd
Onyx Electrical UK Ltd
- Company number
- 17006708
- Incorporated
- 2 Feb 2026
- Registered office
- Suite 5, 88A High Street, Billericay, CM12 9BT
- Nature of business
- Electrical installation
Onyx Electrical UK Ltd is a newly incorporated private limited company registered in Billericay, company number 17006708, one of 85 electrical contractors in Billericay. Its next accounts are due at Companies House on 2 November 2027, and its first CT600 is due at HMRC on 1 February 2028.
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 Onyx Electrical UK Ltd is registered
The registered office is in Billericay (CM12), in the Basildon local authority area, East of England. Show CM12 9BT on a map.
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- Teddy George Cars LtdMotor traders
- Hallmark Care Homes Developments (No.3) LimitedProperty developers
- SSD Professional Cleaning LtdCleaning companies
- Hallmark Care Homes (Rainbow 4) LimitedBuilders
- Xlinks 1 Auxiliary Equipment No.2 LimitedProperty developers
- Xlinks 1 Auxiliary Equipment No.3 LimitedProperty developers
Also registered at this address
1 other company uses the same registered office as Onyx Electrical UK Ltd.
- Acelux LimitedElectricians
What happens if Onyx Electrical UK 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 2 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 3 Nov 2027 to 2 Dec 2027 | £150 |
| 1 to 3 months late | 3 Dec 2027 to 2 Feb 2028 | £375 |
| 3 to 6 months late | 3 Feb 2028 to 2 May 2028 | £750 |
| More than 6 months late | From 3 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- 17006708
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 February 2026
- Registered office
- Suite 5, 88A High Street, Billericay, CM12 9BT
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
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 Billericay
Other active electrical contractors registered in Billericay.
- Pegrum Electrical Ltd2024
- Pess Ltd2023
- Porter Electrics Ltd2026
- Pratley & Partners Ltd2026
- Prestige Electrical Contracting Limited2019
- Production Line Maintenance Limited2011
- R Electrics Ltd2025
- Rayleigh Services Ltd2022
All electrical contractors in Billericay · All trades in Billericay · Electricians across the UK
Frequently asked questions
When are Onyx Electrical UK Ltd's accounts due?
Onyx Electrical UK Ltd's next accounts are due at Companies House by 2 November 2027 (in 385 days), covering the period to 28 February 2027.
When is Onyx Electrical UK 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 1 February 2027, due by 1 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Onyx Electrical UK Ltd still trading?
Onyx Electrical UK 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 Onyx Electrical UK Ltd do?
Onyx Electrical UK Ltd is registered under Electrical installation (SIC 43210).
How old is Onyx Electrical UK Ltd?
Onyx Electrical UK Ltd was incorporated on 2 February 2026, less than a year ago.
What is the penalty if Onyx Electrical UK 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 Onyx Electrical UK 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.