ISODYN is a fitness centre in Elsene. Private Limited, started on 14 August 2001, 1 establishment.

What is the address of ISODYN?

The registered office of ISODYN is located at Adolphe Buyllaan 110, 1050 Elsene.

Is ISODYN still active?

Yes. According to the CBE (30 October 2026) ISODYN is active, legal situation “Normale toestand”, started on 14 August 2001.

Is ISODYN registered on Peppol?

Yes, ISODYN is registered on the Peppol network with ID 0208:0475461138.

What is the enterprise number of ISODYN?

The enterprise number of ISODYN is BE0475461138.

When was ISODYN founded?

ISODYN was founded on 14 August 2001.

Who are the directors of ISODYN?

According to the 2025 annual accounts, the directors of ISODYN are: BERTRAND DEJARDIN.

Is ISODYN a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 14 August 2001; 5 annual accounts filed, latest fiscal year 2025; 1 directors known from the annual account.

How much profit did ISODYN make in 2025?

ISODYN posted a profit after taxes of € 32,157 in financial year 2025.

What is the revenue of ISODYN?

As a small company, ISODYN is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € 37,331.

ISODYN (Private Limited) - Elsene - BE0475461138

Dossier ISODYN, printed on 30 October 2026 from databakkes.be/en/0475461138/isodyn. 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.

Tight liquidity NBB

Cash and receivables cover 18 % of short-term debt in 2025; threshold 65 %.
Busy address KBO

13 other companies have their registered office at the same address; threshold 10.

Financials

Financial year 2025

ISODYN from Elsene, company number BE0475461138, closed financial year 2025 with a result of € 32,157 after tax. For that financial year ISODYN recorded a gross margin of € 37,331 and equity of € 2,823. Compared with financial year 2024, the result moved from € 11,242 to € 32,157. Profitable, and profit is growing. The buffer is growing. High debts against a small own buffer. The most recent annual accounts were filed with the National Bank of Belgium on August 25, 2026.

What it is worth Growing

€ 2,823

▲ € 32,157 vs 2024

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

Profit Growing

€ 32,157

▲ 186% vs 2024

Profit after tax over the fiscal year.

Where the profit goes Growing

Stays in the company

No dividend for 2025. Retained profit grew to € -28,873.

People and assets in 2025

Full-time equivalents estimate The annual accounts report no full-time equivalents. A micro company with one active director is usually run by that person; this is an assumption, not a figure from the source.

≈ 1

No payroll staff. One director, so that person most likely runs the business.

Vehicles and equipment

€ 10,270

▲ 164% vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt ≈ 5 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.

€ 21,067

▲ 6% vs 2024

€ 1,404 is repaid this year. At this pace the long-term loan is gone in ≈ 5 years.

Owed to suppliers

€ 11,472

▼ 27% vs 2024

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

Key figures per fiscal year Download key figures (CSV)
	2022	2023	2024	2025	Change 2024 → 2025
Gross margin	€ -303 Gross margin 2022: € -303 First fiscal year in the series	€ 21,248 Gross margin 2023: € 21,248 ▲ € 21,552 vs 2022 (€ -303) Favourable step	€ 27,025 Gross margin 2024: € 27,025 ▲ 27% vs 2023 (€ 21,248) Favourable step	€ 37,331 Gross margin 2025: € 37,331 ▲ 38% vs 2024 (€ 27,025) Favourable step	▲ 38%
Profit after taxes	€ -17,857 Profit after taxes 2022: € -17,857 First fiscal year in the series	€ 4,769 Profit after taxes 2023: € 4,769 ▲ € 22,626 vs 2022 (€ -17,857) Favourable step	€ 11,242 Profit after taxes 2024: € 11,242 ▲ 136% vs 2023 (€ 4,769) Favourable step	€ 32,157 Profit after taxes 2025: € 32,157 ▲ 186% vs 2024 (€ 11,242) Favourable step	▲ 186%
Equity	€ -45,345 Equity 2022: € -45,345 First fiscal year in the series	€ -40,576 Equity 2023: € -40,576 ▲ € 4,769 vs 2022 (€ -45,345) Favourable step	€ -29,334 Equity 2024: € -29,334 ▲ € 11,242 vs 2023 (€ -40,576) Favourable step	€ 2,823 Equity 2025: € 2,823 ▲ € 32,157 vs 2024 (€ -29,334) Favourable step	▲ € 32,157
Total debts	€ 86,171 Total debts 2022: € 86,171 First fiscal year in the series	€ 72,981 Total debts 2023: € 72,981 ▼ 15% vs 2022 (€ 86,171) Favourable step	€ 49,556 Total debts 2024: € 49,556 ▼ 32% vs 2023 (€ 72,981) Favourable step	€ 38,096 Total debts 2025: € 38,096 ▼ 23% vs 2024 (€ 49,556) Favourable step	▼ 23%
Cash	€ 841 Cash 2022: € 841 First fiscal year in the series	-	-	-
Retained profit	€ -76,955 Retained profit 2022: € -76,955 First fiscal year in the series	€ -72,272 Retained profit 2023: € -72,272 ▲ € 4,682 vs 2022 (€ -76,955) Favourable step	€ -61,030 Retained profit 2024: € -61,030 ▲ € 11,242 vs 2023 (€ -72,272) Favourable step	€ -28,873 Retained profit 2025: € -28,873 ▲ € 32,157 vs 2024 (€ -61,030) Favourable step	▲ € 32,157
Bank debt	€ 27,696 Bank debt 2022: € 27,696 First fiscal year in the series	€ 30,557 Bank debt 2023: € 30,557 ▲ 10% vs 2022 (€ 27,696) Unfavourable step	€ 19,831 Bank debt 2024: € 19,831 ▼ 35% vs 2023 (€ 30,557) Favourable step	€ 21,067 Bank debt 2025: € 21,067 ▲ 6% vs 2024 (€ 19,831) Unfavourable step	▲ 6%
Balance sheet total	€ 40,826 Balance sheet total 2022: € 40,826 First fiscal year in the series	€ 32,406 Balance sheet total 2023: € 32,406 ▼ 21% vs 2022 (€ 40,826) Unchanged	€ 20,223 Balance sheet total 2024: € 20,223 ▼ 38% vs 2023 (€ 32,406) Unchanged	€ 40,919 Balance sheet total 2025: € 40,919 ▲ 102% vs 2024 (€ 20,223) Unchanged	▲ 102%

Key figures of ISODYN, 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 ISODYN?

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

Aug 25, 2026 New annual accounts for financial year 2025: profit of € 32,157 (▲ 186% vs 2024). filed late Source: NBB ↗
2006 BERTRAND DEJARDIN became a director. NBB
Oct 12, 2001 New establishment in Oudergem. KBO
Aug 14, 2001 Start of the company according to the CBE. KBO

In short

From € 17,857 loss in 2022 to € 32,157 profit in 2025.

Best year ever: 2025, with € 32,157 profit.

Original PDFs at the National Bank ↗

Management

BERTRAND DEJARDIN

ISODYN

Behind ISODYN is BERTRAND DEJARDIN.

Directors

According to the 2025 annual accounts

BERTRAND DEJARDIN

Director

since 2006

Establishments

Establishment units

Physical locations of this company

Registered office

Adolphe Buyllaan 110

1050 Elsene

2.098.466.821

Mathieu Buntincxstraat 10 box 5

1160 Oudergem

Active since 12 October 2001

Who else lives here?

A building full of entrepreneurs or one very busy letterbox? Another 13 companies are registered at this address.

All companies at this address →

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+8 more

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

Details

Company number

0475.461.138

VAT number

BE 0475.461.138

Registered office

Adolphe Buyllaan 110, 1050 Elsene

Names & denominations

ISODYN

Enterprise type

Rechtspersoon

Legal form

Private limited company

Legal situation

Normale toestand

Start date

14 August 2001

Peppol

Active · Active since 8 Dec 2025

Activities · NACE

Activiteiten van fitnesscentra

Zelfstandig werkende sportbeoefenaars, -instructeurs en -begeleiders

Sport- en recreatieonderwijs

View on CBE Public ↗ Annual accounts (NBB) ↗

ISODYN

Warning lights

Financials

What happened to ISODYN?

Management

Directors

Establishments

Establishment units

Who else lives here?

Details

Frequently asked questions