S I MECHANICAL-INSTALLATION LTD
Company details
- Registered name
- S I MECHANICAL-INSTALLATION LTD
- Company number
- 10553909
- Registered office
- 129 COLNEY HATCH LANE, LONDON, N10 1HD, ENGLAND · 44 other companies at this postcode
- Company type
- Private Limited Company
- Incorporated on
- 9 January 2017
- Status
- Active
- Age
- 9 years
- Nature of business (SIC)
- 43220 — Plumbing, heat and air-conditioning installation
- Accounts — next due
- 31 Dec 2026
- Accounts — last made up to
- 31 Jan 2025
- Confirmation statement — next due
- 06 Jan 2027
- Confirmation statement — last
- 23 Dec 2025
What the register says
Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.
- A person with significant control here also controls 2 other companies.
Companies House register snapshot, read 02/09/2026.
People with significant control
Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors
Corporate structure
Who controls this company, and who they control in turn
Connections
Change history
Reconstructed from the dated records Companies House publishes
| Date | Change | Was | Now |
|---|---|---|---|
| 09/01/2017 | Person with significant control added | — | Mrs Angela Sirghi |
| 09/01/2017 | Person with significant control added | — | Mr Ion Sirghi |
Financial highlights
Parsed from the filed statutory accounts (£ thousands, except employees)
| Metric | FY2025 | FY2024 |
|---|---|---|
| Net assets | 434 ▲ 41.7% | 306 |
| Employees (avg) | 4 ▲ 33.3% | 3 |
Documents for S I MECHANICAL-INSTALLATION LTD
Need this one company on file? Buy the document on its own — no plan required.
The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.
Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.
Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.
Data protection register
No entry found on the ICO register of fee payers under this name.
Not every organisation has to register — some are exempt. An absent entry is a question to ask, not a finding.
Get this company via API
Every field on this page is available as structured JSON behind one endpoint and one API key.
GET /v1/company/gb/10553909
X-Api-Key: $OPENDATA_KEYFrequently asked questions
What is the company number of S I MECHANICAL-INSTALLATION LTD?▾
Where is S I MECHANICAL-INSTALLATION LTD registered?▾
What is the SIC code of S I MECHANICAL-INSTALLATION LTD?▾
Who controls S I MECHANICAL-INSTALLATION LTD?▾
When are the next accounts of S I MECHANICAL-INSTALLATION LTD due?▾
About S I MECHANICAL-INSTALLATION LTD (10553909)
S I MECHANICAL-INSTALLATION LTD is a private limited company incorporated on 9 January 2017 and registered in the United Kingdom under company number 10553909. Its registered office is at 129 COLNEY HATCH LANE, LONDON, N10 1HD, ENGLAND. The recorded nature of business is plumbing, heat and air-conditioning installation (SIC 43220). The company is currently active , with statutory accounts last made up to 31 January 2025. , and the person with significant control is Mr Ion Sirghi. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.
Companies at the same registered office
Plumbing, heat and air-conditioning installation across UK registers
The same sector and the same company, seen through every register we hold
Explore by sector
Every UK company records what it does as a SIC code — browse the sectors around this one.