- Companies
- Installers
- London
- Marzu Ltd
Marzu Ltd
- Company number
- 09228881
- Incorporated
- 22 Sep 201412 years trading
- Registered office
- 20-22 Wenlock Road, London, N1 7GU
- Nature of business
- Other construction installation; Retail sale via mail order houses or via Internet; Business and domestic software development; Information technology consultancy activities
Marzu Ltd is a 12-year-old private limited company registered in London, company number 09228881, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 down £193 (-2.4%) on the year before, to £7,894.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Dec 2025 | £7,894 | £7,894 | 0 | ||
| 31 Dec 2024 | £8,087 | £8,087 | 0 | ||
| 31 Dec 2023 | £7,762 | £7,762 | 0 | ||
| 30 Sep 2022 | £23K | £23K | 2 | ||
| 30 Sep 2021 | £18K | £18K | 2 | ||
| 30 Sep 2020 | £14K | £14K | £0 | 0 | |
| 30 Sep 2019 | £662 | £662 | 0 | ||
| 30 Sep 2018 | £1,513 | £1,513 | £0 | ||
| 30 Sep 2017 | £1,922 | £10K | £8,577 | ||
| 30 Sep 2016 | £11K | £25K | £15K |
Where Marzu Ltd is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 7GU on a map.
Other trade companies in N1
- Tagwise LtdSpecialist contractors
- Sphere Aviation Solutions UK LtdMachinery repair and installation
- Get IT Done Builders LtdJoiners and carpenters
- Evolution Products LimitedMotor traders
- Fleetstone Trading LtdMotor traders
- Kenneth Brady LtdElectricians
- UK Import Export LtdBuilders
- Magic Door Services LimitedMachinery repair and installation
Shared registered office
804 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 Marzu 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 09228881
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 September 2014 (12 years ago)
- Registered office
- 20-22 Wenlock Road, London, N1 7GU
- Nature of business
- Other construction installation (SIC 43290)
Retail sale via mail order houses or via Internet (SIC 47910)
Business and domestic software development (SIC 62012)
Information technology consultancy activities (SIC 62020) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 12 October 2025
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- Masen Property Maintenance Limited2026
- Mason Construction Limited2016
- Matei Construct Ltd2026
- Matriarchy Maintenance Ltd2026
- Matriix Limited2019
- Matt O'Leary Carpentry & General Building Ltd2022
- Matthew Baron Construction Limited2003
- Max Build Limited2024
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Marzu Ltd's accounts due?
Marzu Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Marzu Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Marzu Ltd still trading?
Marzu 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 Marzu Ltd do?
Marzu Ltd is registered under Other construction installation (SIC 43290); Retail sale via mail order houses or via Internet (SIC 47910); Business and domestic software development (SIC 62012); Information technology consultancy activities (SIC 62020).
How old is Marzu Ltd?
Marzu Ltd was incorporated on 22 September 2014, 12 years ago.
What is the penalty if Marzu 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 Marzu 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.