What does A.B. CONSTRUCTION do?

A.B. CONSTRUCTION is a specialised building contractor in Braine-l'Alleud. Private Limited, started on 18 December 1980, 1 establishment.

What is the address of A.B. CONSTRUCTION?

The registered office of A.B. CONSTRUCTION is located at Rue de la Gare 30, 1420 Braine-l'Alleud.

Is A.B. CONSTRUCTION still active?

Yes. According to the CBE (30 October 2026) A.B. CONSTRUCTION is active, legal situation “Normale toestand”, started on 18 December 1980.

Is A.B. CONSTRUCTION registered on Peppol?

Yes, A.B. CONSTRUCTION is registered on the Peppol network with ID 0208:0421171723.

What is the enterprise number of A.B. CONSTRUCTION?

The enterprise number of A.B. CONSTRUCTION is BE0421171723.

When was A.B. CONSTRUCTION founded?

A.B. CONSTRUCTION was founded on 18 December 1980.

Who are the directors of A.B. CONSTRUCTION?

According to the 2026 annual accounts, the directors of A.B. CONSTRUCTION are: Stany MOMMENS, Benjamin MOMMENS.

Is A.B. CONSTRUCTION a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 18 December 1980; 5 annual accounts filed, latest fiscal year 2026; 2 directors known from the annual account.

How much profit did A.B. CONSTRUCTION make in 2026?

A.B. CONSTRUCTION posted a profit after taxes of € 59,126 in financial year 2026.

What is the revenue of A.B. CONSTRUCTION?

As a small company, A.B. CONSTRUCTION is not required to publish revenue in its annual accounts. In financial year 2026, its added value was € 361,000.

How much does an employee at A.B. CONSTRUCTION earn?

The average wage cost per full-time employee at A.B. CONSTRUCTION was € 61,000 in 2024: staff costs of € 286,697 for 4.7 FTE, according to the annual account at the National Bank. That is the employer's cost, not net pay.

A.B. CONSTRUCTION (Private Limited) - Braine-l'Alleud

Dossier A.B. CONSTRUCTION, printed on 30 October 2026 from databakkes.be/en/0421171723/a-b-construction. Sources: CBE, National Bank of Belgium, Belgian Official Gazette.

Financials

Financial year 2026

A.B. CONSTRUCTION from Braine-l'Alleud, company number BE0421171723, closed financial year 2026 with a result of € 59,126 after tax. For that financial year A.B. CONSTRUCTION recorded a gross margin of € 361,000 and equity of € 97,154. Compared with financial year 2025, the result moved from € -213,900 to € 59,126. 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 May 22, 2026.

What it is worth Growing

€ 97,154

▲ 155% vs 2025

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

Profit Growing

€ 59,126

▲ still € 213,900 loss in 2025

Profit after tax over the fiscal year.

Cash in the bank

€ 100,477

▲ € 96,147 vs 2025

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

Where the profit goes Growing

Stays in the company

No dividend for 2026. Retained profit grew to € 27,154.

People and assets in 2026

Wage cost

€ 249,392

▼ 9% vs 2025

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

€ 10,936

▼ 48% vs 2025

Book value of vehicles, furniture and equipment.

Debts at end 2026

Bank debt ≈ 13 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.

€ 720,608

▼ 8% vs 2025

€ 56,626 is repaid this year. At this pace the long-term loan is gone in ≈ 13 years.

Owed to suppliers

€ 70,289

▼ 49% vs 2025

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

Taxes and wages

€ 36,694

▲ € 28,516 vs 2025

Taxes, VAT and social contributions still to pay.

Key figures per fiscal year Download key figures (CSV)
	2023	2024	2025	2026	Change 2025 → 2026
Gross margin	€ 259,503 Gross margin 2023: € 259,503 First fiscal year in the series	€ 352,760 Gross margin 2024: € 352,760 ▲ 36% vs 2023 (€ 259,503) Favourable step	€ 151,318 Gross margin 2025: € 151,318 ▼ 57% vs 2024 (€ 352,760) Unfavourable step	€ 361,000 Gross margin 2026: € 361,000 ▲ 139% vs 2025 (€ 151,318) Favourable step	▲ 139%
Profit after taxes	€ 10,674 Profit after taxes 2023: € 10,674 First fiscal year in the series	€ 8,996 Profit after taxes 2024: € 8,996 ▼ 16% vs 2023 (€ 10,674) Unfavourable step	€ -213,900 Profit after taxes 2025: € -213,900 ▼ € 222,895 vs 2024 (€ 8,996) Unfavourable step	€ 59,126 Profit after taxes 2026: € 59,126 ▲ € 273,026 vs 2025 (€ -213,900) Favourable step	▲ € 273,026
Equity	€ 255,018 Equity 2023: € 255,018 First fiscal year in the series	€ 264,014 Equity 2024: € 264,014 ▲ 4% vs 2023 (€ 255,018) Favourable step	€ 38,028 Equity 2025: € 38,028 ▼ 86% vs 2024 (€ 264,014) Unfavourable step	€ 97,154 Equity 2026: € 97,154 ▲ 155% vs 2025 (€ 38,028) Favourable step	▲ 155%
Total debts	€ 573,266 Total debts 2023: € 573,266 First fiscal year in the series	€ 718,060 Total debts 2024: € 718,060 ▲ 25% vs 2023 (€ 573,266) Unfavourable step	€ 1,101,719 Total debts 2025: € 1,101,719 ▲ 53% vs 2024 (€ 718,060) Unfavourable step	€ 1,202,215 Total debts 2026: € 1,202,215 ▲ 9% vs 2025 (€ 1,101,719) Unfavourable step	▲ 9%
Cash	€ 53,263 Cash 2023: € 53,263 First fiscal year in the series	€ 53,169 Cash 2024: € 53,169 Unchanged (€ 53,263) Unfavourable step	€ 4,330 Cash 2025: € 4,330 ▼ 92% vs 2024 (€ 53,169) Unfavourable step	€ 100,477 Cash 2026: € 100,477 ▲ € 96,147 vs 2025 (€ 4,330) Favourable step	▲ € 96,147
Land & buildings	€ 540,184 Land & buildings 2023: € 540,184 First fiscal year in the series	€ 678,960 Land & buildings 2024: € 678,960 ▲ 26% vs 2023 (€ 540,184) Unchanged	€ 932,219 Land & buildings 2025: € 932,219 ▲ 37% vs 2024 (€ 678,960) Unchanged	€ 916,526 Land & buildings 2026: € 916,526 ▼ 2% vs 2025 (€ 932,219) Unchanged	▼ 2%
Retained profit	€ 185,018 Retained profit 2023: € 185,018 First fiscal year in the series	€ 194,014 Retained profit 2024: € 194,014 ▲ 5% vs 2023 (€ 185,018) Favourable step	€ -31,972 Retained profit 2025: € -31,972 ▼ € 225,986 vs 2024 (€ 194,014) Unfavourable step	€ 27,154 Retained profit 2026: € 27,154 ▲ € 59,126 vs 2025 (€ -31,972) Favourable step	▲ € 59,126
Dividend	€ 0 Dividend 2023: € 0 First fiscal year in the series	€ 0 Dividend 2024: € 0 Unchanged (€ 0) Unchanged	€ 12,087 Dividend 2025: € 12,087 Unchanged (€ 0) Unchanged	€ 0 Dividend 2026: € 0 ▼ 100% vs 2025 (€ 12,087) Unchanged	▼ 100%
Bank debt	€ 413,236 Bank debt 2023: € 413,236 First fiscal year in the series	€ 563,171 Bank debt 2024: € 563,171 ▲ 36% vs 2023 (€ 413,236) Unfavourable step	€ 786,138 Bank debt 2025: € 786,138 ▲ 40% vs 2024 (€ 563,171) Unfavourable step	€ 720,608 Bank debt 2026: € 720,608 ▼ 8% vs 2025 (€ 786,138) Favourable step	▼ 8%
Balance sheet total	€ 828,284 Balance sheet total 2023: € 828,284 First fiscal year in the series	€ 982,074 Balance sheet total 2024: € 982,074 ▲ 19% vs 2023 (€ 828,284) Unchanged	€ 1,139,747 Balance sheet total 2025: € 1,139,747 ▲ 16% vs 2024 (€ 982,074) Unchanged	€ 1,299,370 Balance sheet total 2026: € 1,299,370 ▲ 14% vs 2025 (€ 1,139,747) Unchanged	▲ 14%
Employees (FTE)	-	4.7 Employees (FTE) 2024: 4.7 First fiscal year in the series	-	-

Key figures of A.B. CONSTRUCTION, 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 August 2027.

What happened to A.B. CONSTRUCTION?

What happened at A.B. CONSTRUCTION in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:

May 22, 2026 New annual accounts for financial year 2026: profit of € 59,126. Source: NBB ↗
Jan 1, 1981 New establishment in Braine-l'Alleud. KBO
Dec 18, 1980 Start of the company according to the CBE. KBO

In short

From € 10,674 profit in 2023 to € 59,126 profit in 2026.

Paid € 14,558 in corporate taxes since 2023.

Best year ever: 2026, with € 59,126 profit.

On average € 75,100 of value added per employee in 2024.

Original PDFs at the National Bank ↗

Management

Stany MOMMENS Benjamin MOMMENS

IMMO BSJ

A.B. CONSTRUCTION

Behind A.B. CONSTRUCTION are Stany MOMMENS and Benjamin MOMMENS. Stany MOMMENS is also behind IMMO BSJ.

Directors

According to the 2026 annual accounts

Stany MOMMENS

Director

Also active at: IMMO BSJ

Benjamin MOMMENS

Director

Establishments

Establishment units

Physical locations of this company

Registered office

Rue de la Gare 30

1420 Braine-l'Alleud

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 →

LIBERT MEDICAL

IMMO BSJ same network

€ 109,077 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

0421.171.723

VAT number

BE 0421.171.723

Registered office

Rue de la Gare 30, 1420 Braine-l'Alleud

Names & denominations

A.B. CONSTRUCTION

Enterprise type

Rechtspersoon

Legal form

Private limited company

Legal situation

Normale toestand

Start date

18 December 1980

Peppol

Active · Active since 21 Oct 2026

Activities · NACE

Overige werkzaamheden in verband met de afwerking van gebouwen

Bouwen van individuele huizen

Algemene bouw van residentiële gebouwen

View on CBE Public ↗ Annual accounts (NBB) ↗

A.B. CONSTRUCTION

Financials

What happened to A.B. CONSTRUCTION?

Management

Directors

Establishments

Establishment units

Who else lives here?

Details

Frequently asked questions