Financials
Financial year 2025
TETRIS DESIGN & BUILD from Brussel, company number BE0893504216, closed financial year 2025 with a result of € 1.1 million after tax. For that financial year TETRIS DESIGN & BUILD recorded revenue of € 14 million and equity of € 33.7 million. Compared with financial year 2024, the result moved from € 1.4 million to € 1.1 million. The company is profitable. 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 June 15, 2026.
€ 33.7 million
▲ 3% vs 2024
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ 1.1 million
▼ 21% vs 2024
Profit after tax over the fiscal year.
Stays in the company
No dividend for 2025. Retained profit grew to € 8.8 million.
People and assets in 2025
13.4
▲ 2.2 vs 2024
Average over the fiscal year, from the social balance sheet.
€ 1.6 million
▲ 29% vs 2024
€ 123,000 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.
€ 26,915
▲ 87% vs 2024
Book value of vehicles, furniture and equipment.
Debts at end 2025
None
No bank loans on the last day of the fiscal year.
€ 4.3 million
▲ 93% vs 2024
Supplier invoices still open on the last day of the fiscal year. Pays suppliers within 134 days on average.
€ 449,884
▼ 71% vs 2024
Taxes, VAT and social contributions still to pay.
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| 2022 | 2023 | 2024 | 2025 | Change 2024 → 2025 | |
|---|---|---|---|---|---|
| Revenue | € 11,694,466 | € 9,236,949 | € 12,086,431 | € 13,957,820 | ▲ 15% |
| Profit after taxes | € 891,814 | € 827,544 | € 1,391,950 | € 1,094,162 | ▼ 21% |
| Equity | € 30,433,873 | € 31,261,417 | € 32,653,367 | € 33,747,528 | ▲ 3% |
| Total debts | € 3,223,075 | € 2,967,097 | € 4,461,258 | € 4,942,804 | ▲ 11% |
| Retained profit | € 5,495,865 | € 6,323,409 | € 7,715,359 | € 8,809,520 | ▲ 14% |
| Balance sheet total | € 33,656,948 | € 34,228,514 | € 37,145,045 | € 38,690,332 | ▲ 4% |
| Employees (FTE) | 8.3 | 8.5 | 11.2 | 13.4 | ▲ 2.2 |
Key figures of TETRIS DESIGN & BUILD, 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 TETRIS DESIGN & BUILD?
What happened at TETRIS DESIGN & BUILD in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- New annual accounts for financial year 2025: profit of € 1.1 million (▼ 21% vs 2024). Source: NBB ↗
- James Steven Jasionowski became a director. NBB
- Amandine CHIZELLE became a director. NBB
- Mathias GROSSMAN became a director. NBB
- New establishment in Brussel. KBO
- Start of the company according to the CBE. KBO
In short
From € 891,814 profit in 2022 to € 1.1 million profit in 2025.
Paid € 2.3 million in corporate taxes since 2022.
Best year ever: 2024, with € 1.4 million profit.
Pays suppliers within 134 days on average.
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De Lijn 8 June 2026 New annual account 2025
filed on 8 June 2026
What was left
€ 20 k ▼ 91%
Money in the bank
€ 178 k ▼ 98%
Open the dossier →
NMBS 8 June 2026 New annual account 2025 What was left ▼ 80%
bpost 18 May 2026 New annual account 2025 What was left from loss to profit
Management
Behind TETRIS DESIGN & BUILD are Mathias GROSSMAN, Amandine CHIZELLE and James Steven Jasionowski. The shares are held by Jones Lang LaSalle Belgium Holdings LLC S. Etr. (100%) and Jones Lang LaSalle Receivable Holdings LLC S. Etr. (0%).
Directors
According to the 2025 annual accounts
Mathias GROSSMAN
Director
since 2022
Amandine CHIZELLE
Director
since 2023
since 2025
Shareholders
Jones Lang LaSalle Belgium Holdings LLC S. Etr.
100%
Jones Lang LaSalle Receivable Holdings LLC S. Etr.
0%
Participations
No participations in other companies reported.
Establishments
Establishment units
Physical locations of this company
Montoyerstraat 10
1000 Brussel
Who else lives here?
A building full of entrepreneurs or one very busy letterbox? Another 3 companies are registered at this address.
All companies at this address →What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.
Details
- Company number
- 0893.504.216
- VAT number
- BE 0893.504.216
- Registered office
- Montoyerstraat 10, 1000 Brussel
- Names & denominations
- TETRIS DESIGN & BUILD
- Enterprise type
- Rechtspersoon
- Legal form
- Private limited company
- Legal situation
- Normale toestand
- Start date
- 15 November 2007
- Peppol
- Active · Active since 22 Dec 2025
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