- Companies
- Electricians
- London
- Efficient Maintenance Limited
Company profile · Electricians
Efficient Maintenance Limited
Efficient Maintenance Limited is a 7-year-old private limited company registered in London, company number 11840701, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Efficient Maintenance LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2025
From the balance sheet at 28 February 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Efficient Maintenance Limited over the years
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £6,750 (+11.7%) on the year before, to -£51K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £22K against £36K owed within a year: 0.6 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | -£51K | £22K | £36K | 2 | |
| 29 Feb 2024 | -£58K | £15K | £46K | 2 | |
| 28 Feb 2023 | -£48K | £17K | £27K | 3 | |
| 28 Feb 2022 | £2,836 | £16K | £19K | 3 | |
| 28 Feb 2021 | £2,229 | £9,543 | £9,422 | 1 | |
| 28 Feb 2020 | £0 | £0 | £0 | 1 |
Where Efficient Maintenance Limited is registered
The registered office is in London (EC2A), in the Hackney local authority area, London. Show EC2A 4NE on a map.
Other trade companies in EC2A
- Simlan Management LtdCleaning companies
- Renova Secure LtdBuilders
- Auraglasspartitions LtdGlaziers
- A2D Professional Cleaning LtdCleaning companies
- Matson Co. LtdProperty developers
- Paint Hub LimitedMechanics and garages
- SJK Construction & Management LtdBuilders
- Cenlora Cleaning Group LtdCleaning companies
What happens if Efficient Maintenance Limited 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 11840701
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 February 2019 (7 years ago)
- Registered office
- Efficient Maintenance Limited, 3RD Floor,86-90, Paul Street, London, EC2A 4NE
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 20 February 2026
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.
- Eg Fire Ltd2025
- Egzon Electrical Limited2025
- Eh Electrical Ltd2018
- Eicr Expert Ltd2025
- Eicr Landlord Cert Ltd2026
- Eicr Report Limited2026
- Eicrs London Limited2025
- Eie London Ltd2020
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Efficient Maintenance Limited's accounts due?
Efficient Maintenance Limited's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Efficient Maintenance Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Efficient Maintenance Limited still trading?
Efficient Maintenance Limited 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 Efficient Maintenance Limited do?
Efficient Maintenance Limited is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Efficient Maintenance Limited?
Efficient Maintenance Limited was incorporated on 21 February 2019, 7 years ago.
What is the penalty if Efficient Maintenance Limited 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 Efficient Maintenance Limited 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.