Active · per the CBE, 17 September 2026

Dalair

BE0405673202

Rechtspersoon Private limited company 1 establishment

Wolstraat 50, 1000 Brussel

Behind the company: Leslie Mathonet.

Active for

64 year

Warning lights

Signals from the annual accounts, the CBE and the Official Gazette, each with its threshold and source. No score, no verdict.

  • Tight liquidity NBB

    Cash and receivables cover 13 % of short-term debt in 2025; threshold 65 %.

  • Board fully replaced NBB

    No director from three years ago is still active according to annual account 2025.

  • Not on Peppol Peppol

    Not registered in the Peppol network, mandatory for VAT-liable companies since 1 January 2026.

Financials

Financial year 2025

Dalair from Brussel, company number BE0405673202, closed financial year 2025 with a result of € 9,871 after tax. For that financial year Dalair recorded a gross margin of € 95,632 and equity of € 225,318. Compared with financial year 2024, the result moved from € -10,730 to € 9,871. Profitable, and profit is growing. The buffer is growing. High debts against a small own buffer. The most recent annual accounts were filed with the National Bank of Belgium on February 2, 2026.

What it is worth Growing

€ 225,318

▲ 44% vs 2024

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

Profit Growing

€ 9,871

▲ still € 10,730 loss in 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 73,877

▲ 35% vs 2024

Cash and bank balances on the last day of the fiscal year.

Where the profit goes Growing

Stays in the company

No dividend for 2025. Retained profit grew to € 30,817.

People and assets in 2025

Vehicles and equipment

€ 2,859

▼ 12% vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt ≈ 18 years to go

€ 1.1 million

▼ 5% vs 2024

€ 63,687 is repaid this year. At this pace the long-term loan is gone in ≈ 18 years.

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Key figures per fiscal year Download key figures (CSV)
2022202320242025Change 2024 → 2025
Gross margin € 91,698 € 28,869 € 71,406 € 95,632 ▲ 34%
Profit after taxes € 64,585 € -36,514 € -10,730 € 9,871 ▲ € 20,601
Equity € 141,490 € 104,976 € 156,072 € 225,318 ▲ 44%
Total debts € 659,601 € 1,644,596 € 1,715,225 € 1,696,201 ▼ 1%
Cash € 160,614 € 111,637 € 54,746 € 73,877 ▲ 35%
Land & buildings € 639,146 € 1,632,838 € 1,805,170 € 1,834,176 ▲ 2%
Retained profit € 68,190 € 31,676 € 20,946 € 30,817 ▲ 47%
Bank debt € 286,295 € 1,274,176 € 1,211,866 € 1,148,853 ▼ 5%
Balance sheet total € 801,091 € 1,749,572 € 1,871,296 € 1,921,519 ▲ 3%

Key figures of Dalair, fiscal years 2022 to 2025, from the annual accounts filed with the National Bank of Belgium.Next annual account (fiscal year 2026) expected before 30 January 2027.

What happened to Dalair?

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

  • Romain Thillaye du Boullay stepped down as director. NBB
  • Camille Thillaye du Boullay stepped down as director. NBB
  • New annual accounts for financial year 2025: profit of € 9,871. filed late Source: NBB ↗
  • Romain Thillaye du Boullay became a director. NBB
  • Camille Thillaye du Boullay became a director. NBB
  • New establishment in Brussel. KBO
  • Start of the company according to the CBE. KBO

In short

From € 64,585 profit in 2022 to € 9,871 profit in 2025.

Best year ever: 2022, with € 64,585 profit.

Management

Leslie Mathonet
Dalair

Behind Dalair is Leslie Mathonet.

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Directors

According to the 2025 annual accounts

Leslie Mathonet

Director

Romain Thillaye du Boullay

Director

Also active at: SOS MEDECINS, DU BOULLAY DIDIER DOCTEUR

since 2024 · until 2030

Camille Thillaye du Boullay

Managing director

Also active at: OKIMO, IMMO SCENE

since 2020 · until 2026

Establishments

Establishment units

Physical locations of this company

Registered office

Wolstraat 50

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
0405.673.202
VAT number
BE 0405.673.202
Registered office
Wolstraat 50, 1000 Brussel
Names & denominations
Dalair
Enterprise type
Rechtspersoon
Legal form
Private limited company
Legal situation
Normale toestand
Start date
10 September 1962
Peppol
Not registered

Frequently asked questions

What is the address of Dalair?
The registered office of Dalair is located at Wolstraat 50, 1000 Brussel.
Is Dalair still active?
Yes. According to the CBE (17 September 2026) Dalair is active, legal situation “Normale toestand”, started on 10 September 1962.
Is Dalair registered on Peppol?
No, Dalair is currently not registered on the Peppol network.
What is the enterprise number of Dalair?
The enterprise number of Dalair is BE0405673202.
When was Dalair founded?
Dalair was founded on 10 September 1962.
Who owns Dalair?
Behind Dalair is Leslie Mathonet.