- Companies
- Electricians
- London
- RM Electrix & Maintenance Ltd
RM Electrix & Maintenance Ltd
- Company number
- 16993514
- Incorporated
- 28 Jan 2026
- Registered office
- 4TH Floor Office, 205 Regent Street, London, W1B 4HB
- Nature of business
- Electrical installation; Other building completion and finishing
RM Electrix & Maintenance Ltd is a newly incorporated private limited company registered in London, company number 16993514, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 28 October 2027, and its first CT600 is due at HMRC on 27 January 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.
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Where RM Electrix & Maintenance Ltd is registered
The registered office is in London (W1B), in the Westminster local authority area, London. Show W1B 4HB on a map.
Other trade companies in W1B
- Nova Relay LtdElectricians
- Nova Painting Contractors LtdPainters and decorators
- Malaysia Energy Land Bridge LimitedCivil engineering
- Melb LimitedCivil engineering
- Meridian Build Group LtdBuilders
- Aix Group Holdings LtdSpecialist contractors
- Active 24/7 Drainage & Plumbing LtdPlumbers and heating engineers
- Smith's Rural Builds LtdBuilders
Shared registered office
58 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if RM Electrix & Maintenance 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 28 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Oct 2027 to 28 Nov 2027 | £150 |
| 1 to 3 months late | 29 Nov 2027 to 28 Jan 2028 | £375 |
| 3 to 6 months late | 29 Jan 2028 to 28 Apr 2028 | £750 |
| More than 6 months late | From 29 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16993514
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 January 2026
- Registered office
- 4TH Floor Office, 205 Regent Street, London, W1B 4HB
- Nature of business
- Electrical installation (SIC 43210)
Other building completion and finishing (SIC 43390) - Year end
- 31 January (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 London
Other active electrical contractors registered in London.
- RM General Solutions Ltd2020
- RMF Electrics Limited2026
- RMG Electrical Services Limited2026
- RMW Engineering Limited2026
- RNM 61 Electrical Ltd2025
- Rnu Electrical Services Ltd2026
- Rnu Power Ltd2025
- Roa Electrical Ltd2025
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are RM Electrix & Maintenance Ltd's accounts due?
RM Electrix & Maintenance Ltd's next accounts are due at Companies House by 28 October 2027 (in 380 days), covering the period to 31 January 2027.
When is RM Electrix & Maintenance 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 27 January 2027, due by 27 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is RM Electrix & Maintenance Ltd still trading?
RM Electrix & Maintenance 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 RM Electrix & Maintenance Ltd do?
RM Electrix & Maintenance Ltd is registered under Electrical installation (SIC 43210); Other building completion and finishing (SIC 43390).
How old is RM Electrix & Maintenance Ltd?
RM Electrix & Maintenance Ltd was incorporated on 28 January 2026, less than a year ago.
What is the penalty if RM Electrix & Maintenance 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 RM Electrix & Maintenance 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.