Warning lights
Signals from the annual accounts, the CBE and the Official Gazette, each with its threshold and source. No score, no verdict.
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Busy address KBO
49 other companies have their registered office at the same address; threshold 10.
Financials
Financial year 2026
QUANTUM SYSTEMS from Aartselaar, company number BE0455191504, closed financial year 2026 with a result of € 631 after tax. For that financial year QUANTUM SYSTEMS recorded a gross margin of € 30,871 and equity of € 34,896. Compared with financial year 2025, the result moved from € -7,552 to € 631. Profitable, and profit is growing. The buffer is growing. A strong own buffer against the debts. The most recent annual accounts were filed with the National Bank of Belgium on October 28, 2026.
€ 34,896
▲ 2% vs 2025
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ 631
▲ still € 7,552 loss in 2025
Profit after tax over the fiscal year.
€ 25,745
▼ 17% vs 2025
Cash and bank balances on the last day of the fiscal year.
Stays in the company
No dividend for 2026. Retained profit grew to € 14,444.
People and assets in 2026
≈ 1
No payroll staff. One director, so that person most likely runs the business.
€ 27,225
Payroll staff only. What the director pays themselves is already netted into the gross margin and is not shown separately in the accounts.
Debts at end 2026
None
No bank loans on the last day of the fiscal year.
€ 42,270
▲ 153% vs 2025
Supplier invoices still open on the last day of the fiscal year.
€ 15,433
▲ 35% vs 2025
Taxes, VAT and social contributions still to pay.
| 2023 | 2024 | 2025 | 2026 | Change 2025 → 2026 | |
|---|---|---|---|---|---|
| Gross margin | € 35,809 | € 32,264 | € 22,514 | € 30,871 | ▲ 37% |
| Profit after taxes | € 4,373 | € 642 | € -7,552 | € 631 | ▲ € 8,183 |
| Equity | € 41,174 | € 41,816 | € 34,265 | € 34,896 | ▲ 2% |
| Total debts | € 44,782 | € 61,797 | € 28,097 | € 58,074 | ▲ 107% |
| Cash | € 42,102 | € 70,897 | € 31,097 | € 25,745 | ▼ 17% |
| Retained profit | € 20,723 | € 21,365 | € 13,813 | € 14,444 | ▲ 5% |
| Balance sheet total | € 85,956 | € 103,614 | € 62,362 | € 92,969 | ▲ 49% |
Key figures of QUANTUM SYSTEMS, fiscal years 2023 to 2026, from the annual accounts filed with the National Bank of Belgium.Next annual account (fiscal year 2027) expected before 31 October 2027.
What happened to QUANTUM SYSTEMS?
What happened at QUANTUM SYSTEMS in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- New annual accounts for financial year 2026: profit of € 631. Source: NBB ↗
- New establishment in Aartselaar. KBO
- Start of the company according to the CBE. KBO
In short
From € 4,373 profit in 2023 to € 631 profit in 2026.
Paid € 4,319 in corporate taxes since 2023.
Best year ever: 2023, with € 4,373 profit.
Management
Behind QUANTUM SYSTEMS is Walter Van Deun.
Directors
According to the 2026 annual accounts
Walter Van Deun
Director
Establishments
Establishment units
Physical locations of this company
Antwerpsesteenweg 124
2630 Aartselaar
Who else lives here?
A building full of entrepreneurs or one very busy letterbox? Another 49 companies are registered at this address.
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What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.
Details
- Company number
- 0455.191.504
- VAT number
- BE 0455.191.504
- Registered office
- Antwerpsesteenweg 124, 2630 Aartselaar
- Names & denominations
- QUANTUM SYSTEMS
- Enterprise type
- Rechtspersoon
- Legal form
- Private limited company
- Legal situation
- Normale toestand
- Start date
- 12 May 1995
- Peppol
- Active · Active since 1 Jan 2026
- Activities · NACE
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