What is the address of OLISA?

The registered office of OLISA is located at Rue de Bayarmont 52, 1390 Grez-Doiceau.

Is OLISA still active?

Yes. According to the CBE (30 October 2026) OLISA is active, legal situation “Normale toestand”, started on 27 June 2011.

Is OLISA registered on Peppol?

Yes, OLISA is registered on the Peppol network with ID 0208:0837302416.

What is the enterprise number of OLISA?

The enterprise number of OLISA is BE0837302416.

When was OLISA founded?

OLISA was founded on 27 June 2011.

Who are the directors of OLISA?

According to the 2025 annual accounts, the directors of OLISA are: Olivier DE DUVE.

Is OLISA a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 27 June 2011; 5 annual accounts filed, latest fiscal year 2025; 1 directors known from the annual account.

How much profit did OLISA make in 2025?

OLISA recorded a loss after taxes of € 4,281 in financial year 2025.

What is the revenue of OLISA?

As a small company, OLISA is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € 21,012.

OLISA (Private Limited) - Grez-Doiceau - BE0837302416

Q: What does OLISA do?

OLISA is registered with the CBE as active in: Activiteiten van adviesbureaus op het gebied van bedrijfsvoering en overig managementadvies. Private Limited, started on 27 June 2011, 1 establishment.

Dossier OLISA, printed on 30 October 2026 from databakkes.be/en/0837302416/olisa. 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 29 % of short-term debt in 2025; threshold 65 %.

Financials

Financial year 2025

OLISA from Grez-Doiceau, company number BE0837302416, closed financial year 2025 with a result of € -4,281 after tax. For that financial year OLISA recorded a gross margin of € 21,012 and equity of € 87,424. Compared with financial year 2024, the result moved from € 338 to € -4,281. 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 22, 2026.

What it is worth Healthy

€ 87,424

▼ 5% vs 2024

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

Loss Caution

€ -4,281

▼ still € 338 profit in 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 9,515

▼ 84% 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 € 81,224.

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

€ 60,765

▲ 71% vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt ≈ 3 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.

€ 60,103

▼ 24% vs 2024

€ 19,453 is repaid this year. At this pace the long-term loan is gone in ≈ 3 years.

Owed to suppliers

€ 2,630

▲ € 2,279 vs 2024

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

Taxes

€ 6,984

▼ 27% vs 2024

Corporate tax and VAT still to pay. No wage debt: nothing outstanding to staff or social security.

Key figures per fiscal year Download key figures (CSV)
	2022	2023	2024	2025	Change 2024 → 2025
Gross margin	€ 8,844 Gross margin 2022: € 8,844 First fiscal year in the series	€ 26,264 Gross margin 2023: € 26,264 ▲ 197% vs 2022 (€ 8,844) Favourable step	€ 19,927 Gross margin 2024: € 19,927 ▼ 24% vs 2023 (€ 26,264) Unfavourable step	€ 21,012 Gross margin 2025: € 21,012 ▲ 5% vs 2024 (€ 19,927) Favourable step	▲ 5%
Profit after taxes	€ -6,398 Profit after taxes 2022: € -6,398 First fiscal year in the series	€ 1,549 Profit after taxes 2023: € 1,549 ▲ € 7,947 vs 2022 (€ -6,398) Favourable step	€ 338 Profit after taxes 2024: € 338 ▼ 78% vs 2023 (€ 1,549) Unfavourable step	€ -4,281 Profit after taxes 2025: € -4,281 ▼ € 4,619 vs 2024 (€ 338) Unfavourable step	▼ € 4,619
Equity	€ 89,818 Equity 2022: € 89,818 First fiscal year in the series	€ 91,367 Equity 2023: € 91,367 ▲ 2% vs 2022 (€ 89,818) Favourable step	€ 91,705 Equity 2024: € 91,705 Unchanged (€ 91,367) Favourable step	€ 87,424 Equity 2025: € 87,424 ▼ 5% vs 2024 (€ 91,705) Unfavourable step	▼ 5%
Total debts	€ 69,995 Total debts 2022: € 69,995 First fiscal year in the series	€ 109,440 Total debts 2023: € 109,440 ▲ 56% vs 2022 (€ 69,995) Unfavourable step	€ 124,708 Total debts 2024: € 124,708 ▲ 14% vs 2023 (€ 109,440) Unfavourable step	€ 100,505 Total debts 2025: € 100,505 ▼ 19% vs 2024 (€ 124,708) Favourable step	▼ 19%
Cash	€ 21,531 Cash 2022: € 21,531 First fiscal year in the series	€ 29,615 Cash 2023: € 29,615 ▲ 38% vs 2022 (€ 21,531) Favourable step	€ 58,509 Cash 2024: € 58,509 ▲ 98% vs 2023 (€ 29,615) Favourable step	€ 9,515 Cash 2025: € 9,515 ▼ 84% vs 2024 (€ 58,509) Unfavourable step	▼ 84%
Retained profit	€ 83,618 Retained profit 2022: € 83,618 First fiscal year in the series	€ 85,167 Retained profit 2023: € 85,167 ▲ 2% vs 2022 (€ 83,618) Favourable step	€ 85,505 Retained profit 2024: € 85,505 Unchanged (€ 85,167) Favourable step	€ 81,224 Retained profit 2025: € 81,224 ▼ 5% vs 2024 (€ 85,505) Unfavourable step	▼ 5%
Bank debt	€ 0 Bank debt 2022: € 0 First fiscal year in the series	€ 41,529 Bank debt 2023: € 41,529 Unchanged (€ 0) Unfavourable step	€ 78,908 Bank debt 2024: € 78,908 ▲ 90% vs 2023 (€ 41,529) Unfavourable step	€ 60,103 Bank debt 2025: € 60,103 ▼ 24% vs 2024 (€ 78,908) Favourable step	▼ 24%
Balance sheet total	€ 159,814 Balance sheet total 2022: € 159,814 First fiscal year in the series	€ 200,807 Balance sheet total 2023: € 200,807 ▲ 26% vs 2022 (€ 159,814) Unchanged	€ 216,413 Balance sheet total 2024: € 216,413 ▲ 8% vs 2023 (€ 200,807) Unchanged	€ 187,929 Balance sheet total 2025: € 187,929 ▼ 13% vs 2024 (€ 216,413) Unchanged	▼ 13%

Key figures of OLISA, 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 OLISA?

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

Jul 22, 2026 New annual accounts for financial year 2025: loss of € 4,281 (▼ € 4,619 vs 2024). Source: NBB ↗
Sep 5, 2011 New establishment in Grez-Doiceau. KBO
Jun 27, 2011 Start of the company according to the CBE. KBO
2011 Olivier DE DUVE became a director. NBB

In short

From € 6,398 loss in 2022 to € 4,281 loss in 2025.

Paid € 11,825 in corporate taxes since 2022.

Best year ever: 2023, with € 1,549 profit.

Original PDFs at the National Bank ↗

Management

Olivier DE DUVE

OLISA

Simplicity Management 23.9%

Behind OLISA is Olivier DE DUVE. It owns 23.9% of Simplicity Management itself.

Directors

According to the 2025 annual accounts

Olivier DE DUVE

Director

since 2011

Establishments

Establishment units

Physical locations of this company

Registered office

Rue de Bayarmont 52

1390 Grez-Doiceau

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

Details

Company number

0837.302.416

VAT number

BE 0837.302.416

Registered office

Rue de Bayarmont 52, 1390 Grez-Doiceau

Names & denominations

OLISA

Enterprise type

Rechtspersoon

Legal form

Private limited company

Legal situation

Normale toestand

Start date

27 June 2011

Peppol

Active · Active since 2 Dec 2025

Activities · NACE

Activiteiten van adviesbureaus op het gebied van bedrijfsvoering en overig managementadvies

Overige adviesbureaus op het gebied van bedrijfsbeheer; adviesbureaus op het gebied van bedrijfsvoering

Speur- en ontwikkelingswerk op biotechnologisch gebied

Organisatie van congressen en beurzen

Overige vormen van onderwijs

Catering van evenementen

Activiteiten op het gebied van computerconsultancy en beheer van computerfaciliteiten

Computerconsultancy-activiteiten

View on CBE Public ↗ Annual accounts (NBB) ↗

OLISA

Warning lights

Financials

What happened to OLISA?

Management

Directors

Establishments

Establishment units

Details

Frequently asked questions