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- Isimmons Electrical Ltd
Company profile · Electricians
Isimmons Electrical Ltd
Isimmons Electrical Ltd is a newly incorporated private limited company registered in Haverhill, company number 17396418, one of 20 electrical contractors in Haverhill. Its next accounts are due at Companies House on 12 May 2028, and its first CT600 is due at HMRC on 11 August 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 Isimmons Electrical Ltd is registered
The registered office is in Haverhill (CB9), in the Braintree local authority area, East of England. Show CB9 7AL on a map.
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- Elite House Renovation & Cleaning LtdBuilders
- Berkshire Auto Group LimitedMotor traders
- SS Property Group Partners LtdProperty developers
What happens if Isimmons 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 12 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 13 May 2028 to 12 Jun 2028 | £150 |
| 1 to 3 months late | 13 Jun 2028 to 12 Aug 2028 | £375 |
| 3 to 6 months late | 13 Aug 2028 to 12 Nov 2028 | £750 |
| More than 6 months late | From 13 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 17396418
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 August 2026
- Registered office
- Birchbrook House, Water Lane, Haverhill, Essex, CB9 7AL
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 August (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 Haverhill
Other active electrical contractors registered in Haverhill.
- L D Energy Solutions Limited2012
- Lummlec Ltd2021
- Nicell Limited2008
- Nulec Ltd2016
- S G Electrical(Suffolk) Ltd2012
- SDG Electrical Contractors Ltd2013
- T J Archer Ltd2018
- Tempower Limited2007
All electrical contractors in Haverhill · All trades in Haverhill · Electricians across the UK
Frequently asked questions
When are Isimmons Electrical Ltd's accounts due?
Isimmons Electrical Ltd's next accounts are due at Companies House by 12 May 2028 (in 578 days), covering the period to 31 August 2027.
When is Isimmons 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 11 August 2027, due by 11 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Isimmons Electrical Ltd still trading?
Isimmons 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 Isimmons Electrical Ltd do?
Isimmons Electrical Ltd is registered under Electrical installation (SIC 43210).
How old is Isimmons Electrical Ltd?
Isimmons Electrical Ltd was incorporated on 12 August 2026, less than a year ago.
What is the penalty if Isimmons 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 Isimmons 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.