Isolaz BV

Q: What is the VAT number of Isolaz?

BE0479523557. The enterprise number is 0479.523.557. The VAT number is the same number with BE in front.

Isolaz (BV) is a company in Elsene, active in installation of insulation, founded in 2003. Financial year 2025: gross margin €55,056, profit -€7,693, equity €280,975.

Updated on 06/10/2026

BankruptcyInstallation of insulation

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Annual accounts 2025 filed on 28/08/2026 · profit -€7,693View the figures →Read in plain language

1 warning: bankruptcy1 seriousShowHide

Bankruptcy. Bankruptcy according to the CBE, since 14/09/2026.
Are you a creditor? You file a claim via RegSol, within the period set in the judgment. The trustee and the deadlines are in the publication of the judgment in the Belgian Official Gazette.
Go to RegSol ↗Publications in the Belgian Official Gazette ↗View in the CBE ↗All bankruptcies
Source: CBE. The date is the day the change appeared in the CBE update.

About the company

Enterprise number: 0479.523.557
VAT number: BE0479523557
Legal form: Besloten Vennootschap
Founded: 11/02/2003 · 23 years
Registered office: Louizalaan 205-207 box 4, 1050 Elsene
Legal situation: Opening faillissementsince 14/09/2026Bankruptcy declared on 11/09/2026 by the Nederlandstalige ondernemingsrechtbank BrusselPublished in the Official Gazette on 16/09/2026 · Read the judgment All bankruptcies in Brussels · in Belgium
Capital or contribution: €19,000 · annual accounts 31/12/2025

More detailsfinancial year, capacities, annual accounts

Namur

Official name: ISOLAZ

CBE and annual accounts

Type: Legal entity
Status: Bankruptcy
Financial year: ends on 31/12 · general meeting in June
Capacities: Subject to VAT, NSSO employer
Latest annual accounts: financial year to 31/12/2025 · filed on 28/08/2026
Last general meeting: 30/06/2026 · approved the annual accounts to 31/12/2025
Establishments: 1 establishment unit

Official sourcesCBE Public Search Belgian Official Gazette Annual accounts (NBB) Withholding obligation (NSSO and FPS Finance) How much to withhold? 30bis calculatorIs something wrong, or do you want to hide this data? Submit a request.

Figures for Isolaz, 2025NBB · micro format

All figures, sector and health →

Gross margin-58%€55,056Profit for the financial year-€7,693 Equity-3%€280,975Solvency+16.1 pt63.5%

Three ratios

How we calculate

▲ 1.92 → 1.80 → 2.57

2.57current assets ÷ short-term debt

Position in the sector with Pro

▲ 50.4% → 47.5% → 63.5%

63.5%equity ÷ total assets

Position in the sector with Pro

▼ 2.2% → 15.6% → -1.4%

-1.4%operating profit ÷ total assets

Position in the sector with Pro

Annual accounts 2025. The sector is recalculated every night.

Full profile

See everything about Isolaz

Health check, financial year in detail, 10 years of history and the board.

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What happenedfrom the annual accounts, the CBE and the Official Gazette

16/09/2026Judgment published: bankruptcy, Nederlandstalige ondernemingsrechtbank Brussel · Belgian Official Gazette
14/09/2026Bankruptcy
11/09/2026Judgment: bankruptcy
28/08/2026Annual accounts 2025 filed
29/08/2025Annual accounts 2024 filed

Show all (8)

16/07/2024Annual accounts 2023 filed
22/11/2023Annual accounts 2022 filed
11/02/2003Incorporated as besloten vennootschap

Activities NACE-BEL 2025

43.230Installation of insulationMain activity
41.001Construction of residential and non-residential buildingsMain activity

Establishments 1

Van Overbekelaan 157, 1083 Ganshoren · since 20/05/20032.131.779.193

Board Pro

1 mandate in the latest annual accounts. Who they are, the owners and the group: with Nummo Pro.

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Publications in the Belgian Official Gazette 5 publications

27/01/2025Registered officeSiege socialDeed (pdf)
07/08/2024Incorporation and articlesBoardModification forme juridique, demissions, nominations, assemblee generaleDeed (pdf)
12/11/2020Registered officeSiege socialDeed (pdf)

All 5 publications → list, timeline or per year

Addresses 2 changes since 2007

Louizalaan 205-207 box 4, 1050 ElseneCurrent, since 27/01/2025
To the current address27/01/2025 · Belgian Official Gazette · publication (pdf)
Change of registered office12/11/2020 · Belgian Official Gazette · publication (pdf)

Until 28/09/2026 only the date from the Belgian Official Gazette: the address is in the publication itself. After that, daily from the CBE.

At the same address 34 companies

First 9 of 34. First 6 of 34. Companies and associations only. We do not show sole proprietorships at a home address.

E-invoicing and VAT

Checking… · Peppol network and European VAT register (VIES)

PeppolWorking…

Peppol address

VAT number (VIES)Working…

Isolaz in short

What is the VAT number of Isolaz?

BE0479523557. The enterprise number is 0479.523.557. The VAT number is the same number with BE in front.

Where is the registered office?

Louizalaan 205-207 box 4, 1050 Elsene (registered office). There is 1 establishment.

Is Isolaz still active?

No. The CBE lists a bankruptcy since 14 September 2026.

Can this company receive e-invoices?

Yes, on Peppol under 0208:0479523557. You can send e-invoices directly via Peppol.

What does this company do?

Installation of insulation (NACE-BEL 2025: 43.230). All companies with this activity.

How much profit did this company make?

A loss of € 7,693 in financial year 2025, on a gross margin of € 55,056 (annual accounts filed on 28 August 2026).

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With an establishment in

Ganshoren

Isolaz BV

Figures for Isolaz, 2025NBB · micro format

Three ratios

See everything about Isolaz

What happenedfrom the annual accounts, the CBE and the Official Gazette

Activities NACE-BEL 2025

Establishments 1

Publications in the Belgian Official Gazette 5 publications

Addresses 2 changes since 2007

At the same address 34 companies

E-invoicing and VAT

Isolaz in short

What is the VAT number of Isolaz?

Where is the registered office?

Is Isolaz still active?

Can this company receive e-invoices?

What does this company do?

How much profit did this company make?

Also construction of residential and non-residential buildings in Elsene

With an establishment in

More about Elsene

At the same address 34 companies

Also construction of residential and non-residential buildings in Elsene

With an establishment in

More about Elsene

Isolaz in short

What is the VAT number of Isolaz?

Where is the registered office?

Is Isolaz still active?

Can this company receive e-invoices?

What does this company do?

How much profit did this company make?

Addresses 2 changes since 2007