# S I MECHANICAL-INSTALLATION LTD (10553909)

> S I MECHANICAL-INSTALLATION LTD is an active private limited company (company number 10553909) incorporated on 9 January 2017, registered in London. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest small accounts cover the period ending 31 January 2025, showing net assets of £434k and cash of £263k, with 4 employees on average. Net assets rose 42% on the prior period (£306k).

- Status: Active
- Incorporated: 2017-01-09
- Registered office: London, N10 1HD
- SIC 43220: Plumbing, heat and air-conditioning installation
- Next accounts due: 2026-10-31
- Confirmation statement due: 2027-01-23
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the top quarter of 2,146 comparable companies in London (median £2,932, upper quartile £20k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-01-31 | £434k | £263k | £215k | £74k | — | — | 4 |
| 2024-01-31 | £306k | £139k | £180k | £30k | — | — | 3 |

current ratio 6.45; size band micro.

## Filing and accounts signals (facts, not a rating)

- Net assets above zero: Net assets £433,660 at 31 January 2025
- Net assets up 10% or more on the prior period: +41.7% vs prior period
- Current assets at least 1.5× creditors within one year: Current ratio 6.45
- Cash at bank of £50,000 or more: Cash £263,363
- Incorporated five or more years ago: Incorporated 9 January 2017

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Mrs Angela Sirghi — owns 25–50% of shares; holds 25–50% of voting rights, since 2017-01-09
- Mr Ion Sirghi — owns 50–75% of shares; holds 50–75% of voting rights; can appoint or remove directors, since 2017-01-09

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/10553909
HTML: https://firmoscan.com/company/10553909-s-i-mechanical-installation-ltd