What does ISODELNA do?

ISODELNA is a plasterer in Namur. Private Limited, started on 29 June 1983, 1 establishment.

What is the address of ISODELNA?

The registered office of ISODELNA is located at Rue Léon Lefèvre(CH) 44, 5020 Namur.

Is ISODELNA still active?

Yes. According to the CBE (31 October 2026) ISODELNA is active, legal situation “Normale toestand”, started on 29 June 1983.

Is ISODELNA registered on Peppol?

Yes, ISODELNA is registered on the Peppol network with ID 0208:0424161796.

What is the enterprise number of ISODELNA?

The enterprise number of ISODELNA is BE0424161796.

When was ISODELNA founded?

ISODELNA was founded on 29 June 1983.

Who are the directors of ISODELNA?

According to the 2025 annual accounts, the directors of ISODELNA are: OLivier DELSAUX.

Is ISODELNA a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 29 June 1983; 5 annual accounts filed, latest fiscal year 2025; 1 directors known from the annual account.

How much profit did ISODELNA make in 2025?

ISODELNA recorded a loss after taxes of € 34,850 in financial year 2025.

What is the revenue of ISODELNA?

As a small company, ISODELNA is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € 475,967.

How much does an employee at ISODELNA earn?

The average wage cost per full-time employee at ISODELNA was € 52,600 in 2024: staff costs of € 683,261 for 13 FTE, according to the annual account at the National Bank. That is the employer's cost, not net pay.

ISODELNA (Private Limited) - Namur - BE0424161796

Dossier ISODELNA, printed on 31 October 2026 from databakkes.be/en/0424161796/isodelna. Sources: CBE, National Bank of Belgium, Belgian Official Gazette.

Warning lights

Signals from the annual accounts, the CBE and the Official Gazette, each with its threshold and source. No score, no verdict.

Two loss years in a row NBB

Negative result in 2024 and 2025.
Figures corrected NBB

Corrected annual account filed for 2023.

Financials

Financial year 2025

ISODELNA from Namur, company number BE0424161796, closed financial year 2025 with a result of € -34,850 after tax. For that financial year ISODELNA recorded a gross margin of € 475,967 and equity of € 498,486. Compared with financial year 2024, the result moved from € -292,822 to € -34,850. The company made a loss. The company holds a healthy buffer. A strong own buffer against the debts. The most recent annual accounts were filed with the National Bank of Belgium on July 9, 2026.

What it is worth Healthy

€ 498,486

▼ 7% vs 2024

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

Loss Caution

€ -34,850

▲ 88 % less loss than in 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 186,357

▲ 42% vs 2024

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

Where the profit goes Caution

Loss, nothing to pay out

Reserves fell to € 460,486.

People and assets in 2025

Wage cost

€ 465,967

▼ 32% vs 2024

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

€ 64

▼ 96% vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt ≈ 17 years to go The accounts give the long-term loan and the part due within the year. The remainder divided by that part is the number of years at an equal pace; a new loan or early repayment changes it.

€ 240,859

▼ 5% vs 2024

€ 14,171 is repaid this year. At this pace the long-term loan is gone in ≈ 17 years.

Owed to suppliers

€ 265,327

▼ 15% vs 2024

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

Taxes and wages

€ 9,980

▼ 30% vs 2024

Taxes, VAT and social contributions still to pay.

Key figures per fiscal year Download key figures (CSV)
	2022	2023	2024	2025	Change 2024 → 2025
Gross margin	€ 582,984 Gross margin 2022: € 582,984 First fiscal year in the series	€ 870,701 Gross margin 2023: € 870,701 ▲ 49% vs 2022 (€ 582,984) Favourable step	€ 448,601 Gross margin 2024: € 448,601 ▼ 48% vs 2023 (€ 870,701) Unfavourable step	€ 475,967 Gross margin 2025: € 475,967 ▲ 6% vs 2024 (€ 448,601) Favourable step	▲ 6%
Profit after taxes	€ 21,499 Profit after taxes 2022: € 21,499 First fiscal year in the series	€ 176,448 Profit after taxes 2023: € 176,448 ▲ € 154,949 vs 2022 (€ 21,499) Favourable step	€ -292,822 Profit after taxes 2024: € -292,822 ▼ € 469,270 vs 2023 (€ 176,448) Unfavourable step	€ -34,850 Profit after taxes 2025: € -34,850 ▲ € 257,972 vs 2024 (€ -292,822) Favourable step	▲ € 257,972
Equity	€ 649,711 Equity 2022: € 649,711 First fiscal year in the series	€ 826,159 Equity 2023: € 826,159 ▲ 27% vs 2022 (€ 649,711) Favourable step	€ 533,336 Equity 2024: € 533,336 ▼ 35% vs 2023 (€ 826,159) Unfavourable step	€ 498,486 Equity 2025: € 498,486 ▼ 7% vs 2024 (€ 533,336) Unfavourable step	▼ 7%
Total debts	€ 317,053 Total debts 2022: € 317,053 First fiscal year in the series	€ 671,054 Total debts 2023: € 671,054 ▲ 112% vs 2022 (€ 317,053) Unfavourable step	€ 647,872 Total debts 2024: € 647,872 ▼ 3% vs 2023 (€ 671,054) Favourable step	€ 566,975 Total debts 2025: € 566,975 ▼ 12% vs 2024 (€ 647,872) Favourable step	▼ 12%
Cash	€ 180,596 Cash 2022: € 180,596 First fiscal year in the series	€ 260,219 Cash 2023: € 260,219 ▲ 44% vs 2022 (€ 180,596) Favourable step	€ 131,099 Cash 2024: € 131,099 ▼ 50% vs 2023 (€ 260,219) Unfavourable step	€ 186,357 Cash 2025: € 186,357 ▲ 42% vs 2024 (€ 131,099) Favourable step	▲ 42%
Land & buildings	€ 129,722 Land & buildings 2022: € 129,722 First fiscal year in the series	€ 446,791 Land & buildings 2023: € 446,791 ▲ 244% vs 2022 (€ 129,722) Unchanged	€ 419,821 Land & buildings 2024: € 419,821 ▼ 6% vs 2023 (€ 446,791) Unchanged	€ 397,397 Land & buildings 2025: € 397,397 ▼ 5% vs 2024 (€ 419,821) Unchanged	▼ 5%
Retained profit	€ 611,711 Retained profit 2022: € 611,711 First fiscal year in the series	€ 788,159 Retained profit 2023: € 788,159 ▲ 29% vs 2022 (€ 611,711) Favourable step	€ 495,336 Retained profit 2024: € 495,336 ▼ 37% vs 2023 (€ 788,159) Unfavourable step	€ 460,486 Retained profit 2025: € 460,486 ▼ 7% vs 2024 (€ 495,336) Unfavourable step	▼ 7%
Bank debt	€ 15,823 Bank debt 2022: € 15,823 First fiscal year in the series	€ 292,477 Bank debt 2023: € 292,477 ▲ € 276,654 vs 2022 (€ 15,823) Unfavourable step	€ 254,439 Bank debt 2024: € 254,439 ▼ 13% vs 2023 (€ 292,477) Favourable step	€ 240,859 Bank debt 2025: € 240,859 ▼ 5% vs 2024 (€ 254,439) Favourable step	▼ 5%
Balance sheet total	€ 966,764 Balance sheet total 2022: € 966,764 First fiscal year in the series	€ 1,497,213 Balance sheet total 2023: € 1,497,213 ▲ 55% vs 2022 (€ 966,764) Unchanged	€ 1,181,208 Balance sheet total 2024: € 1,181,208 ▼ 21% vs 2023 (€ 1,497,213) Unchanged	€ 1,065,461 Balance sheet total 2025: € 1,065,461 ▼ 10% vs 2024 (€ 1,181,208) Unchanged	▼ 10%
Employees (FTE)	-	11.7 Employees (FTE) 2023: 11.7 First fiscal year in the series	13 Employees (FTE) 2024: 13 ▲ 1.3 vs 2023 (11.7) Unchanged	-

Key figures of ISODELNA, 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 ISODELNA?

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

Jul 9, 2026 New annual accounts for financial year 2025: loss of € 34,850. Source: NBB ↗
Jul 1, 1983 New establishment in Namur. KBO
Jun 29, 1983 Start of the company according to the CBE. KBO

In short

From € 21,499 profit in 2022 to € 34,850 loss in 2025.

Paid € 42,065 in corporate taxes since 2022.

Best year ever: 2023, with € 176,448 profit.

On average € 34,500 of value added per employee in 2024.

Original PDFs at the National Bank ↗

Management

OLivier DELSAUX

ISODELNA

BOIDEL

DELNA INVEST

IMMODELNA

Behind ISODELNA is OLivier DELSAUX. OLivier DELSAUX is also behind BOIDEL, DELNA INVEST, IMMODELNA and APB DISTRIBUTION.

Directors

According to the 2025 annual accounts

OLivier DELSAUX

Director

Also active at: BOIDEL, DELNA INVEST, IMMODELNA, APB DISTRIBUTION

Establishments

Establishment units

Physical locations of this company

Registered office

Rue Léon Lefèvre(CH) 44

5020 Namur

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 →

IMMODELNA same network

€ 56,497 gross margin · 2025

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

Details

Company number

0424.161.796

VAT number

BE 0424.161.796

Registered office

Rue Léon Lefèvre(CH) 44, 5020 Namur

Names & denominations

ISODELNA

Enterprise type

Rechtspersoon

Legal form

Private limited company

Legal situation

Normale toestand

Start date

29 June 1983

Peppol

Active · Active since 9 Dec 2025

Contact

[email protected]

Activities · NACE

Stukadoorswerk

Installatie van isolatie

Isolatiewerkzaamheden

Dakwerkzaamheden

Groothandel in bouwmaterialen, algemeen assortiment

Algemene bouw van residentiële gebouwen

Algemene elektrotechnische installatiewerken

Dakbedekking en bouw van dakconstructies

View on CBE Public ↗ Annual accounts (NBB) ↗

ISODELNA

Warning lights

Financials

What happened to ISODELNA?

Management

Directors

Establishments

Establishment units

Who else lives here?

Details

Frequently asked questions