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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
22 other companies have their registered office at the same address; threshold 10.
Financials
Financial year 2025
THOMAS MITSIS POLYTECHNIQUE from Zaventem, company number BE0666597262, closed financial year 2025 with a result of € 23,177 after tax. For that financial year THOMAS MITSIS POLYTECHNIQUE recorded a gross margin of € 47,173 and equity of € 74,124. Compared with financial year 2024, the result moved from € 61,979 to € 23,177. The company is profitable. 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 October 8, 2026.
€ 74,124
▼ 8% vs 2024
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ 23,177
▼ 63% vs 2024
Profit after tax over the fiscal year.
€ 56,363
▼ 4% vs 2024
Cash and bank balances on the last day of the fiscal year.
€ 29,536 paid out
More than the year’s profit went to the shareholders; reserves fell.
People and assets in 2025
≈ 1
No payroll staff. One director, so that person most likely runs the business.
€ 23,599
▼ 16% vs 2024
Book value of vehicles, furniture and equipment.
Debts at end 2025
€ 6,799
▼ 49% vs 2024
Loans from banks and other lenders, long and short.
€ 68,023
▲ € 60,031 vs 2024
Supplier invoices still open on the last day of the fiscal year.
€ 32,398
▲ 15% vs 2024
Corporate tax and VAT still to pay. No wage debt: nothing outstanding to staff or social security.
| 2022 | 2023 | 2024 | 2025 | Change 2024 → 2025 | |
|---|---|---|---|---|---|
| Gross margin | € -7,982 | € 32,122 | € 91,857 | € 47,173 | ▼ 49% |
| Profit after taxes | € -13,739 | € 16,447 | € 61,979 | € 23,177 | ▼ 63% |
| Equity | € 23,857 | € 48,504 | € 80,483 | € 74,124 | ▼ 8% |
| Total debts | € 76,165 | € 49,930 | € 79,600 | € 136,760 | ▲ 72% |
| Cash | € 15,279 | € 5,660 | € 58,717 | € 56,363 | ▼ 4% |
| Retained profit | € 17,657 | € 42,304 | € 74,283 | € 67,924 | ▼ 9% |
| Dividend | € 0 | € 0 | € 30,000 | € 29,536 | ▼ 2% |
| Bank debt | € 25,000 | € 19,287 | € 13,227 | € 6,799 | ▼ 49% |
| Balance sheet total | € 100,022 | € 98,434 | € 160,083 | € 210,884 | ▲ 32% |
Key figures of THOMAS MITSIS POLYTECHNIQUE, 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 THOMAS MITSIS POLYTECHNIQUE?
What happened at THOMAS MITSIS POLYTECHNIQUE in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- New annual accounts for financial year 2025: profit of € 23,177 (▼ 63% vs 2024). filed late Source: NBB ↗
- New establishment in Zaventem. KBO
- New establishment in Seneffe. KBO
- Start of the company according to the CBE. KBO
In short
From € 13,739 loss in 2022 to € 23,177 profit in 2025.
Paid € 37,724 in corporate taxes since 2022.
Best year ever: 2024, with € 61,979 profit.
Paid out € 59,536 in dividends to the owners in total.
Management
Behind THOMAS MITSIS POLYTECHNIQUE is Thomas MITSIS.
Directors
According to the 2025 annual accounts
Thomas MITSIS
Administrator-manager
Establishments
Establishment units
Physical locations of this company
Leuvensesteenweg 533 box 2
1930 Zaventem
Chemin de la Rocq 23
7181 Seneffe
Active since 23 November 2016
Leuvensesteenweg 533/2
1930 Zaventem
Active since 6 October 2022
Who else lives here?
A building full of entrepreneurs or one very busy letterbox? Another 22 companies are registered at this address.
All companies at this address →AIRXPORT
€ -5,180 gross margin · 2025
Willy van den Berk
€ 381,519 gross margin · 2025
CONTAX
€ 14,484 gross margin · 2025
EFFICIENCY AND FACILITY MANAGEMENT
€ 10,353 gross margin · 2025
Ecoform Management
€ -1,498 gross margin · 2024
+17 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
- 0666.597.262
- VAT number
- BE 0666.597.262
- Registered office
- Leuvensesteenweg 533 bus 2, 1930 Zaventem
- Names & denominations
- THOMAS MITSIS POLYTECHNIQUE
- Enterprise type
- Rechtspersoon
- Legal form
- Private limited company
- Legal situation
- Normale toestand
- Start date
- 23 November 2016
- Peppol
- Active · Active since 26 Mar 2025
- Activities · NACE
Algemene bouw van residentiële gebouwen
Overige werkzaamheden in verband met de afwerking van gebouwen
Dakwerkzaamheden
Algemene elektrotechnische installatiewerken
Overige gespecialiseerde bouwactiviteiten, neg
Sanitaire werkzaamheden
Installatie van verwarming, klimaatregeling, koeling en ventilatie aangedreven door elektriciteit
Metselwerk
+8