−£6,647
vs Jul 2024Active13520853Private limited companyHarrow
SIE BUILDING LIMITED
Significant control: Antoneta Muntean (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Sie Building Limited sell?
Registered activity: Construction of commercial buildings (SIC 41201). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
SIE BUILDING LIMITED is an active private limited company (company number 13520853) incorporated on 20 July 2021, registered in Harrow. Its registered activity is construction of commercial buildings (SIC 41201). Latest micro accounts cover the period ending 31 July 2025, showing net assets of −£6,647, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 72% on the prior period (−£3,875).
Peer position · net assets
By net assets it sits in the bottom quarter of 4,607 comparable companies in Greater London (median £4,162, upper quartile £25k).
02
Ownership and control
- Mrs Antoneta Muntean
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 20 July 20215 yrs ago
- Next accounts due
- 30 April 2027in 188 days
- Confirmation statement due
- 3 August 2027in 283 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 41201
- Construction of commercial buildings
- SIC 41202
- Construction of domestic buildings
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
2
Not reported the period before| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 July 2025 | −£6,647 | — | — | £8,621 | — | — | 2 |
| 31 July 2024 | −£3,875 | — | — | £4,131 | — | — | — |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets below zeroNet assets £-6,647 at 31 July 2025
- Net assets down 25% or more on the prior period-71.5% vs prior period
- Incorporated five or more years agoIncorporated 20 July 2021
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Confirmation statement duein 283 days
- Next accounts duein 188 days
- Accounts period endNet liabilities £6,647 · micro accounts
- Accounts period endNet liabilities £3,875 · micro accounts
- Incorporated
08
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All companies incorporated on 20 July 2021 · in Jul 2021.
09
Reminders for SIE BUILDING LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.