Exenox Ltd
- Company number
- 16531937
- Incorporated
- 20 Jun 20251 year trading
- Registered office
- Dept 6615 126 East Ferry Road, Canary Wharf, London, E14 9FP
- Nature of business
- Repair of electrical equipment; Construction of utility projects for electricity and telecommunications; Other building completion and finishing; Other engineering activities
Exenox Ltd is a 1-year-old private limited company registered in London, company number 16531937, one of 1,743 machinery repair and installation companies in London. Its next accounts are due at Companies House on 20 March 2027, and its first CT600 is due at HMRC on 19 June 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 Exenox Ltd is registered
The registered office is in London (E14), in the Tower Hamlets local authority area, London. Show E14 9FP on a map.
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What happens if Exenox 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 20 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Mar 2027 to 20 Apr 2027 | £150 |
| 1 to 3 months late | 21 Apr 2027 to 20 Jun 2027 | £375 |
| 3 to 6 months late | 21 Jun 2027 to 20 Sep 2027 | £750 |
| More than 6 months late | From 21 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 16531937
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 June 2025 (1 year ago)
- Registered office
- Dept 6615 126 East Ferry Road, Canary Wharf, London, E14 9FP
- Nature of business
- Repair of electrical equipment (SIC 33140)
Construction of utility projects for electricity and telecommunications (SIC 42220)
Other building completion and finishing (SIC 43390)
Other engineering activities (SIC 71129) - Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 23 February 2026
- Previous names
- Experior Consulting (UK) Limited (until 27 Feb 2026)
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in London
Other active machinery repair and installation companies registered in London.
- Expert Electronic Services Ltd2020
- Express Locksmith Ltd2026
- Extechnology Europe Limited2010
- Extra Kold Refrigeration Limited1990
- Eyetech Optical Limited2008
- Fa Energy Ltd2025
- Fab and Paint Ltd2025
- Fab BTB Solutions Ltd2026
All machinery repair and installation companies in London · All trades in London · Machinery repair and installation across the UK
Frequently asked questions
When are Exenox Ltd's accounts due?
Exenox Ltd's next accounts are due at Companies House by 20 March 2027 (in 158 days), covering the period to 30 June 2026.
When is Exenox 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 19 June 2026, due by 19 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Exenox Ltd still trading?
Exenox 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 Exenox Ltd do?
Exenox Ltd is registered under Repair of electrical equipment (SIC 33140); Construction of utility projects for electricity and telecommunications (SIC 42220); Other building completion and finishing (SIC 43390); Other engineering activities (SIC 71129).
How old is Exenox Ltd?
Exenox Ltd was incorporated on 20 June 2025, 1 year ago.
What is the penalty if Exenox 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 Exenox 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.