- Companies
- Electricians
- London
- M De Souza Ltd
M De Souza Ltd
- Company number
- 09057712
- Incorporated
- 27 May 201412 years trading
- Registered office
- 209 Balfour House, 741 High Road, London, N12 0BP
- Nature of business
- Electrical installation
M De Souza Ltd is a 12-year-old private limited company registered in London, company number 09057712, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
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 £9,317 (+12.2%) on the year before, to £86K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £85K against £20K owed within a year: 4.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £86K | £85K | £20K | 1 | |
| 31 May 2024 | £76K | £96K | £16K | 1 | |
| 31 May 2023 | £72K | £90K | £14K | 1 | |
| 31 May 2022 | £69K | £54K | 1 | ||
| 31 May 2021 | £55K | £102K | £45K | 1 | |
| 31 May 2020 | £38K | £58K | £18K | 1 | |
| 31 May 2019 | £23K | £31K | £11K | ||
| 31 May 2018 | £16K | £24K | £7,070 | ||
| 31 May 2017 | £18K | £738 | £24K | £7,607 | |
| 31 May 2016 | £17K | £2,470 | £27K | £12K |
Where M De Souza Ltd is registered
The registered office is in London (N12), in the Barnet local authority area, London. Show N12 0BP on a map.
Other trade companies in N12
- Sullivan Property and Maintenance LtdFacilities management
- Mael Property Services LtdFinishing trades
- Horizon Constructors LtdProperty developers
- Alfawine Group LimitedFinishing trades
- Sam Motors Group LimitedMotor traders
- Heating on Demand LtdPlumbers and heating engineers
- Premium Electrical LtdElectricians
- Amaiya Sparks LtdCleaning companies
Also registered at this address
4 other companies use the same registered office as M De Souza Ltd.
- Bartley Interiors LimitedFinishing trades
- Ent Tech Systems LtdElectricians
- La Casa Bespoke Interiors LtdFinishing trades
- The Brothers Ball LimitedFloor and wall tilers
What happens if M De Souza 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 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 09057712
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 May 2014 (12 years ago)
- Registered office
- 209 Balfour House, 741 High Road, London, N12 0BP
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 22 May 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.
- M J P Electrical Ltd1998
- M J Sparks Electrical Services Limited2023
- M M Electric Soliution Ltd2023
- M N Electrical Services (Se) Ltd2026
- M P Electrical Contractors (Berkshire) Ltd.2008
- M R Carter Builders Ltd2015
- M Systems Ltd2016
- M Weber Ltd2025
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are M De Souza Ltd's accounts due?
M De Souza Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is M De Souza Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is M De Souza Ltd still trading?
M De Souza 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 M De Souza Ltd do?
M De Souza Ltd is registered under Electrical installation (SIC 43210).
How old is M De Souza Ltd?
M De Souza Ltd was incorporated on 27 May 2014, 12 years ago.
What is the penalty if M De Souza 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 M De Souza 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.