Engimax Ltd
- Company number
- 16656595
- Incorporated
- 18 Aug 20251 year trading
- Registered office
- 33 Hawksmoor Road, Oxford, OX2 7UF
- Nature of business
- Plumbing, heat and air-conditioning installation; Other engineering activities
Engimax Ltd is a 1-year-old private limited company registered in Oxford, company number 16656595, one of 62 plumbing and heating companies in Oxford. Its next accounts are due at Companies House on 18 May 2027, and its first CT600 is due at HMRC on 17 August 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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Who runs and owns Engimax Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** E*** | Director | Aug 2025 |
Person with significant control
Where Engimax Ltd is registered
The registered office is in Oxford (OX2), in the Oxford local authority area, South East. Show OX2 7UF on a map.
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What happens if Engimax 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 18 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 19 May 2027 to 18 Jun 2027 | £150 |
| 1 to 3 months late | 19 Jun 2027 to 18 Aug 2027 | £375 |
| 3 to 6 months late | 19 Aug 2027 to 18 Nov 2027 | £750 |
| More than 6 months late | From 19 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 16656595
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 August 2025 (1 year ago)
- Registered office
- 33 Hawksmoor Road, Oxford, OX2 7UF
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other engineering activities (SIC 71129) - Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 29 July 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Oxford
Other active plumbing and heating companies registered in Oxford.
- G. F. Cross & Sons (Holdings) Limited2019
- G. F. Cross & Sons Limited2003
- Gary Walter Plumbing and Heating Limited1999
- Glowtec Oxford Limited2009
- H.O.W Gas Ltd2023
- Haddie Plumbing and Utilities Ltd2026
- Harpers Plumbing Services Ltd2013
- Holden and Parker Limited2003
All plumbing and heating companies in Oxford · All trades in Oxford · Plumbers and heating engineers across the UK
Frequently asked questions
When are Engimax Ltd's accounts due?
Engimax Ltd's next accounts are due at Companies House by 18 May 2027 (in 217 days), covering the period to 31 August 2026.
When is Engimax 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 17 August 2026, due by 17 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Engimax Ltd still trading?
Engimax 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 Engimax Ltd do?
Engimax Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other engineering activities (SIC 71129).
How old is Engimax Ltd?
Engimax Ltd was incorporated on 18 August 2025, 1 year ago.
Who runs Engimax Ltd?
Engimax Ltd has 1 active director, the longest-serving appointed in Aug 2025. Their names and service addresses are on the Companies House register.
Who owns Engimax Ltd?
One person or company has significant control of Engimax Ltd: an individual (holds 75% or more of the votes).
What is the penalty if Engimax 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 Engimax 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.