What is the address of JONAC?

The registered office of JONAC is located at Koning Leopold I-straat 1 box 601, 3000 Leuven.

Is JONAC still active?

Yes. According to the CBE (29 October 2026) JONAC is active, legal situation “Normale toestand”, started on 17 October 1989.

Is JONAC registered on Peppol?

Yes, JONAC is registered on the Peppol network with ID 0208:0438556794.

What is the enterprise number of JONAC?

The enterprise number of JONAC is BE0438556794.

When was JONAC founded?

JONAC was founded on 17 October 1989.

Who are the directors of JONAC?

According to the 2025 annual accounts, the directors of JONAC are: Johan HEYMANS, Helga GIELEN.

Is JONAC a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 17 October 1989; 5 annual accounts filed, latest fiscal year 2025; 2 directors known from the annual account.

How much profit did JONAC make in 2025?

JONAC recorded a loss after taxes of € 93,181 in financial year 2025.

What is the revenue of JONAC?

As a small company, JONAC is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € 136,891.

JONAC (Private Limited) - Leuven - BE0438556794

Q: What does JONAC do?

JONAC is registered with the CBE as active in: Activiteiten van adviesbureaus op het gebied van bedrijfsvoering en overig managementadvies. Private Limited, started on 17 October 1989, 1 establishment.

Dossier JONAC, printed on 29 October 2026 from databakkes.be/en/0438556794/jonac. 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.
Tight liquidity NBB

Cash and receivables cover 4 % of short-term debt in 2025; threshold 65 %.

Financials

Financial year 2025

JONAC from Leuven, company number BE0438556794, closed financial year 2025 with a result of € -93,181 after tax. For that financial year JONAC recorded a gross margin of € 136,891 and equity of € 318,933. Compared with financial year 2024, the result moved from € -96,817 to € -93,181. The company made a loss. The company holds a healthy buffer. Debts are under control. The most recent annual accounts were filed with the National Bank of Belgium on August 29, 2026.

What it is worth Healthy

€ 318,933

▼ 23% vs 2024

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

Loss Caution

€ -93,181

▲ 4 % less loss than in 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 12,262

▲ 4% 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 € -227,312.

People and assets in 2025

Vehicles and equipment

€ 420

▼ 48% vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt ≈ 7 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.

€ 895,929

▼ 12% vs 2024

€ 126,301 is repaid this year. At this pace the long-term loan is gone in ≈ 7 years.

Owed to suppliers

€ 9,451

▼ 38% vs 2024

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

Taxes

€ 4,856

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	€ 152,072 Gross margin 2022: € 152,072 First fiscal year in the series	€ 144,321 Gross margin 2023: € 144,321 ▼ 5% vs 2022 (€ 152,072) Unfavourable step	€ 144,552 Gross margin 2024: € 144,552 Unchanged (€ 144,321) Favourable step	€ 136,891 Gross margin 2025: € 136,891 ▼ 5% vs 2024 (€ 144,552) Unfavourable step	▼ 5%
Profit after taxes	€ -93,276 Profit after taxes 2022: € -93,276 First fiscal year in the series	€ -94,668 Profit after taxes 2023: € -94,668 ▼ € 1,392 vs 2022 (€ -93,276) Unfavourable step	€ -96,817 Profit after taxes 2024: € -96,817 ▼ € 2,149 vs 2023 (€ -94,668) Unfavourable step	€ -93,181 Profit after taxes 2025: € -93,181 ▲ € 3,636 vs 2024 (€ -96,817) Favourable step	▲ € 3,636
Equity	€ 603,599 Equity 2022: € 603,599 First fiscal year in the series	€ 508,931 Equity 2023: € 508,931 ▼ 16% vs 2022 (€ 603,599) Unfavourable step	€ 412,114 Equity 2024: € 412,114 ▼ 19% vs 2023 (€ 508,931) Unfavourable step	€ 318,933 Equity 2025: € 318,933 ▼ 23% vs 2024 (€ 412,114) Unfavourable step	▼ 23%
Total debts	€ 2,081,305 Total debts 2022: € 2,081,305 First fiscal year in the series	€ 1,974,545 Total debts 2023: € 1,974,545 ▼ 5% vs 2022 (€ 2,081,305) Favourable step	€ 1,888,792 Total debts 2024: € 1,888,792 ▼ 4% vs 2023 (€ 1,974,545) Favourable step	€ 1,795,631 Total debts 2025: € 1,795,631 ▼ 5% vs 2024 (€ 1,888,792) Favourable step	▼ 5%
Cash	€ 18,141 Cash 2022: € 18,141 First fiscal year in the series	€ 13,753 Cash 2023: € 13,753 ▼ 24% vs 2022 (€ 18,141) Unfavourable step	€ 11,815 Cash 2024: € 11,815 ▼ 14% vs 2023 (€ 13,753) Unfavourable step	€ 12,262 Cash 2025: € 12,262 ▲ 4% vs 2024 (€ 11,815) Favourable step	▲ 4%
Land & buildings	€ 2,782,824 Land & buildings 2022: € 2,782,824 First fiscal year in the series	€ 2,575,836 Land & buildings 2023: € 2,575,836 ▼ 7% vs 2022 (€ 2,782,824) Unchanged	€ 2,367,576 Land & buildings 2024: € 2,367,576 ▼ 8% vs 2023 (€ 2,575,836) Unchanged	€ 2,168,092 Land & buildings 2025: € 2,168,092 ▼ 8% vs 2024 (€ 2,367,576) Unchanged	▼ 8%
Retained profit	€ 57,354 Retained profit 2022: € 57,354 First fiscal year in the series	€ -37,314 Retained profit 2023: € -37,314 ▼ € 94,668 vs 2022 (€ 57,354) Unfavourable step	€ -134,131 Retained profit 2024: € -134,131 ▼ € 96,817 vs 2023 (€ -37,314) Unfavourable step	€ -227,312 Retained profit 2025: € -227,312 ▼ € 93,181 vs 2024 (€ -134,131) Unfavourable step	▼ € 93,181
Bank debt	€ 1,314,922 Bank debt 2022: € 1,314,922 First fiscal year in the series	€ 1,159,792 Bank debt 2023: € 1,159,792 ▼ 12% vs 2022 (€ 1,314,922) Favourable step	€ 1,020,139 Bank debt 2024: € 1,020,139 ▼ 12% vs 2023 (€ 1,159,792) Favourable step	€ 895,929 Bank debt 2025: € 895,929 ▼ 12% vs 2024 (€ 1,020,139) Favourable step	▼ 12%
Balance sheet total	€ 2,810,339 Balance sheet total 2022: € 2,810,339 First fiscal year in the series	€ 2,598,635 Balance sheet total 2023: € 2,598,635 ▼ 8% vs 2022 (€ 2,810,339) Unchanged	€ 2,405,791 Balance sheet total 2024: € 2,405,791 ▼ 7% vs 2023 (€ 2,598,635) Unchanged	€ 2,209,174 Balance sheet total 2025: € 2,209,174 ▼ 8% vs 2024 (€ 2,405,791) Unchanged	▼ 8%

Key figures of JONAC, 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 JONAC?

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

Aug 29, 2026 New annual accounts for financial year 2025: loss of € 93,181. filed late Source: NBB ↗
Oct 27, 1989 New establishment in Leuven. KBO
Oct 17, 1989 Start of the company according to the CBE. KBO

In short

From € 93,276 loss in 2022 to € 93,181 loss in 2025.

Paid € 1,403 in corporate taxes since 2022.

Original PDFs at the National Bank ↗

Management

Johan HEYMANS Helga GIELEN

JONAC

Behind JONAC are Johan HEYMANS and Helga GIELEN.

Directors

According to the 2025 annual accounts

Johan HEYMANS

Director

Helga GIELEN

Director

Establishments

Establishment units

Physical locations of this company

Registered office

Koning Leopold I-straat 1 box 601

3000 Leuven

2.045.340.020

Kastanjelaan 16

3001 Leuven

Active since 27 October 1989

Who else lives here?

A building full of entrepreneurs or one very busy letterbox? Another 4 companies are registered at this address.

All companies at this address →

Modero Leuven

€ 1 million gross margin · 2025

The Hungry Traveler

€ 12,634 revenue · 2025

The Hungry Traveller - Jonac

Vereniging van mede-eigenaars van het gebouw residentie Ladeuze te 3000 Leuven, Koning Leopold I straat 1

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

Details

Company number

0438.556.794

VAT number

BE 0438.556.794

Registered office

Koning Leopold I-straat 1 bus 601, 3000 Leuven

Names & denominations

JONAC

Enterprise type

Rechtspersoon

Legal form

Private limited company

Legal situation

Normale toestand

Start date

17 October 1989

Peppol

Active · Active since 4 Dec 2025

Activities · NACE

Activiteiten van adviesbureaus op het gebied van bedrijfsvoering en overig managementadvies

Overige adviesbureaus op het gebied van bedrijfsvoering en beheer

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

View on CBE Public ↗ Annual accounts (NBB) ↗

JONAC

Warning lights

Financials

What happened to JONAC?

Management

Directors

Establishments

Establishment units

Who else lives here?

Details

Frequently asked questions