Active · per the CBE, 29 October 2026

ISOWIT

BE0441098392

Rechtspersoon Private limited company 1 establishment

ISOWIT is a specialised building contractor in Bilzen-Hoeselt. Private Limited, started on 18 June 1990, 1 establishment.

Bremakker 3, 3740 Bilzen-Hoeselt 089246427 [email protected]

Behind the company: Rubicon S BV.

Active for

36 year, 4 months

Financials

Financial year 2025

ISOWIT from Bilzen-Hoeselt, company number BE0441098392, closed financial year 2025 with a result of € 21,030 after tax. For that financial year ISOWIT recorded a gross margin of € 821,946 and equity of € 706,991. Compared with financial year 2024, the result moved from € -69,818 to € 21,030. Profitable, and profit is growing. The buffer shrank hard: equity is 58 % below last year. Debts are under control. The most recent annual accounts were filed with the National Bank of Belgium on June 3, 2026.

What it is worth Shrank hard

€ 706,991

▼ 58% vs 2024

Assets minus debts, by the books. What is left if everything were sold and paid today.

Profit Growing

€ 21,030

▲ still € 69,818 loss in 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 275,948

▼ 57% vs 2024

Cash and bank balances on the last day of the fiscal year.

Where the profit goes Pays out

€ 1 million paid out

More than the year’s profit went to the shareholders; reserves fell.

People and assets in 2025

Full-time equivalents

9.8

▲ 0.3 vs 2024

Average over the fiscal year, from the social balance sheet.

Wage cost

€ 516,508

▼ 6% vs 2024

€ 52,700 per full-time equivalent. Payroll staff only. What the director pays themselves is already netted into the gross margin and is not shown separately in the accounts.

Vehicles and equipment

€ 504,049

▲ 88% vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt ≈ 12 years to go

€ 2 million

▲ 149% vs 2024

€ 168,021 is repaid this year. At this pace the long-term loan is gone in ≈ 12 years.

Owed to suppliers

€ 170,359

▲ € 159,140 vs 2024

Supplier invoices still open on the last day of the fiscal year.

Taxes and wages

€ 94,738

▲ 4% vs 2024

Taxes, VAT and social contributions still to pay.

Key figures per fiscal year Download key figures (CSV)
2022202320242025Change 2024 → 2025
Gross margin € 1,176,610 € 1,440,829 € 720,156 € 821,946 ▲ 14%
Profit after taxes € 334,441 € 479,380 € -69,818 € 21,030 ▲ € 90,848
Equity € 1,376,398 € 1,755,779 € 1,685,960 € 706,991 ▼ 58%
Total debts € 996,772 € 1,104,617 € 915,937 € 2,271,519 ▲ 148%
Cash € 444,169 € 725,905 € 646,096 € 275,948 ▼ 57%
Land & buildings € 1,302,258 € 1,212,403 € 1,122,547 € 1,048,922 ▼ 7%
Retained profit € 592,806 € 1,072,187 € 1,002,368 € 23,399 ▼ 98%
Dividend € 0 € 0 € 0 € 1,000,000
Bank debt € 771,646 € 932,841 € 805,880 € 2,002,811 ▲ 149%
Balance sheet total € 2,373,170 € 2,860,396 € 2,601,898 € 2,978,510 ▲ 14%
Employees (FTE) 11,253.2 9.3 9.5 9.8 ▲ 0.3

Key figures of ISOWIT, fiscal years 2022 to 2025, from the annual accounts filed with the National Bank of Belgium.Next annual account (fiscal year 2026) expected before 31 July 2027.

What happened to ISOWIT?

What happened at ISOWIT in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:

  • New annual accounts for financial year 2025: profit of € 21,030. Source: NBB ↗
  • Rubicon S BV became a director. NBB
  • New establishment in Bilzen-Hoeselt. KBO
  • Start of the company according to the CBE. KBO

In short

From € 334,441 profit in 2022 to € 21,030 profit in 2025.

Paid € 304,625 in corporate taxes since 2022.

Best year ever: 2023, with € 479,380 profit.

On average € 83,900 of value added per employee in 2025.

Management

Rubicon S 100%
ISOWIT
ISOWIT.NL 100%

Behind ISOWIT is Rubicon S BV. The shares are held by Rubicon S (100%). It owns 100% of ISOWIT.NL itself.

Directors

According to the 2025 annual accounts

Rubicon S BV

Associate · represented by Schols John

Also active at: WILRO

since 2025

Shareholders

Participations

ISOWIT.NL

100%

Establishments

Establishment units

Physical locations of this company

Registered office

Bremakker 3

3740 Bilzen-Hoeselt

Who else lives here?

A building full of entrepreneurs or one very busy letterbox? Another 1 companies are registered at this address.

All companies at this address →

What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.

Details

Company number
0441.098.392
VAT number
BE 0441.098.392
Registered office
Bremakker 3, 3740 Bilzen-Hoeselt
Names & denominations
ISOWIT
Enterprise type
Rechtspersoon
Legal form
Private limited company
Legal situation
Normale toestand
Start date
18 June 1990
Peppol
Active · Active since 1 Oct 2025
Activities · NACE

Installatie van isolatie

Isolatiewerkzaamheden

Frequently asked questions

What does ISOWIT do?
ISOWIT is a specialised building contractor in Bilzen-Hoeselt. Private Limited, started on 18 June 1990, 1 establishment.
What is the address of ISOWIT?
The registered office of ISOWIT is located at Bremakker 3, 3740 Bilzen-Hoeselt.
Is ISOWIT still active?
Yes. According to the CBE (29 October 2026) ISOWIT is active, legal situation “Normale toestand”, started on 18 June 1990.
Is ISOWIT registered on Peppol?
Yes, ISOWIT is registered on the Peppol network with ID 0208:0441098392.
What is the enterprise number of ISOWIT?
The enterprise number of ISOWIT is BE0441098392.
When was ISOWIT founded?
ISOWIT was founded on 18 June 1990.