QAELUM is an IT company in Leuven. Public Limited, started on 27 October 2011, 1 establishment.

What is the address of QAELUM?

The registered office of QAELUM is located at Kolonel Begaultlaan 1B, 3012 Leuven.

Is QAELUM still active?

Yes. According to the CBE (29 October 2026) QAELUM is active, legal situation “Normale toestand”, started on 27 October 2011.

Is QAELUM registered on Peppol?

Yes, QAELUM is registered on the Peppol network with ID 0208:0840884387.

What is the enterprise number of QAELUM?

The enterprise number of QAELUM is BE0840884387.

When was QAELUM founded?

QAELUM was founded on 27 October 2011.

Who are the directors of QAELUM?

According to the 2025 annual accounts, the directors of QAELUM are: LK Investment BV, Bart Swaelens, Frank Weekers, Vandenbroucke Solutions BV, Crescat CommV, Marc Beuls, Hilde Bosmans.

Is QAELUM a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 27 October 2011; 5 annual accounts filed, latest fiscal year 2025; 7 directors known from the annual account.

How much profit did QAELUM make in 2025?

QAELUM recorded a loss after taxes of € 1,737,421 in financial year 2025.

What is the revenue of QAELUM?

As a small company, QAELUM is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € 2,419,172.

How much does an employee at QAELUM earn?

The average wage cost per full-time employee at QAELUM was € 92,400 in 2025: staff costs of € 2.5 million for 27.4 FTE, according to the annual account at the National Bank. That is the employer's cost, not net pay.

How many employees does QAELUM have?

According to the 2025 annual accounts, QAELUM has 27.4 full-time equivalents (FTE).

QAELUM (Public Limited) - Leuven - BE0840884387

Dossier QAELUM, printed on 29 October 2026 from databakkes.be/en/0840884387/qaelum. Sources: CBE, National Bank of Belgium, Belgian Official Gazette.

Financials

Financial year 2025

QAELUM from Leuven, company number BE0840884387, closed financial year 2025 with a result of € -1.7 million after tax. For that financial year QAELUM recorded a gross margin of € 2.4 million and equity of € 1.9 million. Compared with financial year 2024, the result moved from € 356,849 to € -1.7 million. The company made a loss. The buffer is growing. Debts are under control. The most recent annual accounts were filed with the National Bank of Belgium on July 8, 2026.

What it is worth Growing

€ 1.9 million

▲ 7% vs 2024

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

Loss Caution

€ -1.7 million

▼ still € 356,849 profit in 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 1.2 million

▲ 281% 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 € -974,892.

People and assets in 2025

Full-time equivalents

27.4

▲ 2 vs 2024

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

Wage cost

€ 2.5 million

▲ 5% vs 2024

€ 92,400 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

€ 26,164

▲ 35% 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.

€ 1.6 million

▼ 26% vs 2024

€ 299,853 is repaid this year. At this pace the long-term loan is gone in ≈ 3 years.

Owed to suppliers

€ 306,350

▲ 24% vs 2024

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

Taxes and wages

€ 260,546

▲ 25% 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	€ 2,390,977 Gross margin 2022: € 2,390,977 First fiscal year in the series	€ 3,048,370 Gross margin 2023: € 3,048,370 ▲ 27% vs 2022 (€ 2,390,977) Favourable step	€ 3,532,248 Gross margin 2024: € 3,532,248 ▲ 16% vs 2023 (€ 3,048,370) Favourable step	€ 2,419,172 Gross margin 2025: € 2,419,172 ▼ 32% vs 2024 (€ 3,532,248) Unfavourable step	▼ 32%
Profit after taxes	€ 186,215 Profit after taxes 2022: € 186,215 First fiscal year in the series	€ 393,120 Profit after taxes 2023: € 393,120 ▲ 111% vs 2022 (€ 186,215) Favourable step	€ 356,849 Profit after taxes 2024: € 356,849 ▼ 9% vs 2023 (€ 393,120) Unfavourable step	€ -1,737,421 Profit after taxes 2025: € -1,737,421 ▼ € 2.1 million vs 2024 (€ 356,849) Unfavourable step	▼ € 2.1 million
Equity	€ 1,040,775 Equity 2022: € 1,040,775 First fiscal year in the series	€ 1,419,767 Equity 2023: € 1,419,767 ▲ 36% vs 2022 (€ 1,040,775) Favourable step	€ 1,768,132 Equity 2024: € 1,768,132 ▲ 25% vs 2023 (€ 1,419,767) Favourable step	€ 1,893,993 Equity 2025: € 1,893,993 ▲ 7% vs 2024 (€ 1,768,132) Favourable step	▲ 7%
Total debts	€ 3,397,236 Total debts 2022: € 3,397,236 First fiscal year in the series	€ 4,124,245 Total debts 2023: € 4,124,245 ▲ 21% vs 2022 (€ 3,397,236) Unfavourable step	€ 4,337,509 Total debts 2024: € 4,337,509 ▲ 5% vs 2023 (€ 4,124,245) Unfavourable step	€ 3,992,906 Total debts 2025: € 3,992,906 ▼ 8% vs 2024 (€ 4,337,509) Favourable step	▼ 8%
Cash	€ 493,639 Cash 2022: € 493,639 First fiscal year in the series	€ 427,913 Cash 2023: € 427,913 ▼ 13% vs 2022 (€ 493,639) Unfavourable step	€ 326,289 Cash 2024: € 326,289 ▼ 24% vs 2023 (€ 427,913) Unfavourable step	€ 1,241,823 Cash 2025: € 1,241,823 ▲ 281% vs 2024 (€ 326,289) Favourable step	▲ 281%
Retained profit	€ 12,560 Retained profit 2022: € 12,560 First fiscal year in the series	€ 405,680 Retained profit 2023: € 405,680 ▲ € 393,120 vs 2022 (€ 12,560) Favourable step	€ 762,529 Retained profit 2024: € 762,529 ▲ 88% vs 2023 (€ 405,680) Favourable step	€ -974,892 Retained profit 2025: € -974,892 ▼ € 1.7 million vs 2024 (€ 762,529) Unfavourable step	▼ € 1.7 million
Bank debt	€ 1,963,365 Bank debt 2022: € 1,963,365 First fiscal year in the series	€ 2,056,736 Bank debt 2023: € 2,056,736 ▲ 5% vs 2022 (€ 1,963,365) Unfavourable step	€ 2,125,451 Bank debt 2024: € 2,125,451 ▲ 3% vs 2023 (€ 2,056,736) Unfavourable step	€ 1,579,760 Bank debt 2025: € 1,579,760 ▼ 26% vs 2024 (€ 2,125,451) Favourable step	▼ 26%
Balance sheet total	€ 4,438,011 Balance sheet total 2022: € 4,438,011 First fiscal year in the series	€ 5,544,012 Balance sheet total 2023: € 5,544,012 ▲ 25% vs 2022 (€ 4,438,011) Unchanged	€ 6,105,640 Balance sheet total 2024: € 6,105,640 ▲ 10% vs 2023 (€ 5,544,012) Unchanged	€ 5,886,900 Balance sheet total 2025: € 5,886,900 ▼ 4% vs 2024 (€ 6,105,640) Unchanged	▼ 4%
Employees (FTE)	21.4 Employees (FTE) 2022: 21.4 First fiscal year in the series	23.2 Employees (FTE) 2023: 23.2 ▲ 1.8 vs 2022 (21.4) Unchanged	25.4 Employees (FTE) 2024: 25.4 ▲ 2.2 vs 2023 (23.2) Unchanged	27.4 Employees (FTE) 2025: 27.4 ▲ 2 vs 2024 (25.4) Unchanged	▲ 2

Key figures of QAELUM, 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 QAELUM?

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

2031 LK Investment BV stepped down as director. NBB
2027 Bart Swaelens stepped down as director. NBB
2027 Frank Weekers stepped down as director. NBB
2027 Crescat CommV stepped down as director. NBB
2027 Marc Beuls stepped down as director. NBB
2027 Hilde Bosmans stepped down as director. NBB
Jul 8, 2026 New annual accounts for financial year 2025: loss of € 1.7 million (▼ € 2.1 million vs 2024). Source: NBB ↗
2025 LK Investment BV became a director. NBB

In short

From € 186,215 profit in 2022 to € 1.7 million loss in 2025.

Paid € 107,768 in corporate taxes since 2022.

Best year ever: 2023, with € 393,120 profit.

On average € 88,300 of value added per employee in 2025.

Original PDFs at the National Bank ↗

Management

GEMMA FRISIUS-FONDS KU LEUVEN

The stake of GEMMA FRISIUS-FONDS KU LEUVEN comes from that shareholder’s own annual accounts; small companies do not report their shareholders themselves.

QAELUM

Qaelum Inc 100%

The shares are held by GEMMA FRISIUS-FONDS KU LEUVEN. It owns 100% of Qaelum Inc itself.

Directors

According to the 2025 annual accounts

LK Investment BV

Director · represented by Luc Kindt

Also active at: N+P Alternative Fuels Belgium, CoMoveIT, AmphiStar, APOGADO

since 2025 · until 2031

Bart Swaelens

Director

Also active at: ArtiQ

since 2021 · until 2027

Frank Weekers

Director

Also active at: APOTHEEK DE HALLEN

since 2021 · until 2027

Vandenbroucke Solutions BV

Director · represented by Luc Vandenbroucke

Also active at: Metis Instruments & Equipment

since 2021 · until 2025

Crescat CommV

Managing director · represented by Jurgen Jacobs

since 2021 · until 2027

Marc Beuls

Director

since 2021 · until 2027

Hilde Bosmans

Director

since 2021 · until 2027

Shareholders

GEMMA FRISIUS-FONDS KU LEUVEN

Participations

Qaelum Inc

100%

Establishments

Establishment units

Physical locations of this company

Registered office

Kolonel Begaultlaan 1B

3012 Leuven

2.204.219.684

Kolonel Begaultlaan 1 box B

3012 Leuven

Active since 27 October 2011

Who else lives here?

A building full of entrepreneurs or one very busy letterbox? Another 2 companies are registered at this address.

All companies at this address →

Administratiekantoor Icometrix

icometrix

€ 1.3 million 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

0840.884.387

VAT number

BE 0840.884.387

Registered office

Kolonel Begaultlaan 1B, 3012 Leuven

Names & denominations

QAELUM

Enterprise type

Rechtspersoon

Legal form

Public limited company

Legal situation

Normale toestand

Start date

27 October 2011

Peppol

Active · Active since 21 Oct 2026

Activities · NACE

Ontwerpen van computerprogramma’s

Ontwerpen en programmeren van computerprogramma's

View on CBE Public ↗ Annual accounts (NBB) ↗

QAELUM

Financials

What happened to QAELUM?

Management

Directors

Shareholders

Participations

Establishments

Establishment units

Who else lives here?

Details

Frequently asked questions