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- L3Matrix Ltd
Company profile · Repair services
L3Matrix Ltd
L3Matrix Ltd is a 5-year-old private limited company registered in London, company number 13583975, one of 778 repair companies (computers, appliances, furniture and similar) in London. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 August 2025, as filed at Companies House.
L3Matrix Ltd 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 £85K on the year before, to £90K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £497 against £90K owed within a year: 0.0 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £90K | £497 | £90K | 1 | |
| 31 Aug 2024 | £5,000 | £5,000 | £0 | 2 | |
| 31 Aug 2023 | £58K | £5,000 | £58K | 2 | |
| 31 Aug 2022 | £23K | £90K | £35K | 1 |
Where L3Matrix Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NX on a map.
Other trade companies in EC1V
- Cardiff Electrical Solutions LtdElectricians
- Edemis Construction LtdBuilders
- Zaylan LtdProperty developers
- Pronto Roofing and Construction LtdRoofers
- Instal Systems LtdPlumbers and heating engineers
- J&R Partners LtdBuilders
- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
Shared registered office
2,436 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 L3Matrix 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 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 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
- 13583975
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 August 2021 (5 years ago)
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Repair of computers and peripheral equipment (SIC 95110)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 24 August 2025
Filing notes for repair companies (computers, appliances, furniture and similar)
Repair companies are mostly small micro-entities with simple accounts: parts, tools and a workshop or van.
Similar companies in London
Other active repair companies (computers, appliances, furniture and similar) registered in London.
- La Maison London Limited2010
- La Maison Phili Roger Ltd2023
- Laptop Repair Centre Ltd2020
- Layla Jewelry Ltd2025
- Leenaz Tailoring Ltd2017
- Leicester Quality Services Limited2016
- Lexo Services Ltd2026
- Liam Dupont Ltd2025
All repair companies (computers, appliances, furniture and similar) in London · All trades in London · Repair services across the UK
Frequently asked questions
When are L3Matrix Ltd's accounts due?
L3Matrix Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is L3Matrix Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is L3Matrix Ltd still trading?
L3Matrix Ltd is listed as active on the Companies House register (checked 12 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 L3Matrix Ltd do?
L3Matrix Ltd is registered under Repair of computers and peripheral equipment (SIC 95110).
How old is L3Matrix Ltd?
L3Matrix Ltd was incorporated on 25 August 2021, 5 years ago.
What is the penalty if L3Matrix 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 L3Matrix Ltd on Companies House for filed documents, officers and the full history.
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Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.