What is the address of Alto4?

The registered office of Alto4 is located at Karel Oomsstraat 37, 2018 Antwerpen.

Is Alto4 still active?

Yes. According to the CBE (29 October 2026) Alto4 is active, legal situation “Normale toestand”, started on 28 December 2011.

Is Alto4 registered on Peppol?

Yes, Alto4 is registered on the Peppol network with ID 0208:0842217148.

What is the enterprise number of Alto4?

The enterprise number of Alto4 is BE0842217148.

When was Alto4 founded?

Alto4 was founded on 28 December 2011.

Who are the directors of Alto4?

According to the 2026 annual accounts, the directors of Alto4 are: DG Infra Yield COMMV, Hanne Akkermans.

Is Alto4 a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 28 December 2011; 5 annual accounts filed, latest fiscal year 2026; 2 directors known from the annual account.

How much profit did Alto4 make in 2026?

Alto4 posted a profit after taxes of € 337,449 in financial year 2026.

Alto4 (Public Limited) - Antwerpen - BE0842217148

Dossier Alto4, printed on 29 October 2026 from databakkes.be/en/0842217148/alto4. Sources: CBE, National Bank of Belgium, Belgian Official Gazette.

Warning lights

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

Busy address KBO

56 other companies have their registered office at the same address; threshold 10.

Financials

Financial year 2026

Alto4 from Antwerpen, company number BE0842217148, closed financial year 2026 with a result of € 337,449 after tax. Compared with financial year 2025, the result moved from € 84,886 to € 337,449. 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 September 16, 2026.

What it is worth Growing

€ 5.4 million

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

Profit Growing

€ 337,449

▲ 298% vs 2025

Profit after tax over the fiscal year.

Cash in the bank

€ 848,632

▲ 8% vs 2025

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

Where the profit goes Pays out

€ 320,576 paid out

95 % of the profit went to the shareholders, mostly to DG Infra Yield COMMV (100 % of the shares). That is where the money ends up.

Debts at end 2026

Bank debt ≈ 19 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.

€ 8.3 million

▼ 1% vs 2025

€ 442,165 is repaid this year. At this pace the long-term loan is gone in ≈ 19 years.

Owed to suppliers

€ 8,631

▲ € 8,511 vs 2025

Supplier invoices still open on the last day of the fiscal year. Pays suppliers within 26 days on average.

Key figures per fiscal year Download key figures (CSV)
	2023	2024	2025	2026	Change 2025 → 2026
Profit after taxes	€ 513,279 Profit after taxes 2023: € 513,279 First fiscal year in the series	€ 755,340 Profit after taxes 2024: € 755,340 ▲ 47% vs 2023 (€ 513,279) Favourable step	€ 84,886 Profit after taxes 2025: € 84,886 ▼ 89% vs 2024 (€ 755,340) Unfavourable step	€ 337,449 Profit after taxes 2026: € 337,449 ▲ 298% vs 2025 (€ 84,886) Favourable step	▲ 298%
Equity	€ 5,645,380 Equity 2023: € 5,645,380 First fiscal year in the series	€ 5,421,796 Equity 2024: € 5,421,796 ▼ 4% vs 2023 (€ 5,645,380) Unfavourable step	€ 5,426,040 Equity 2025: € 5,426,040 Unchanged (€ 5,421,796) Favourable step	€ 5,442,912 Equity 2026: € 5,442,912 Unchanged (€ 5,426,040) Favourable step
Total debts	€ 9,191,927 Total debts 2023: € 9,191,927 First fiscal year in the series	€ 9,570,557 Total debts 2024: € 9,570,557 ▲ 4% vs 2023 (€ 9,191,927) Unfavourable step	€ 9,074,490 Total debts 2025: € 9,074,490 ▼ 5% vs 2024 (€ 9,570,557) Favourable step	€ 9,128,936 Total debts 2026: € 9,128,936 ▲ 1% vs 2025 (€ 9,074,490) Unfavourable step	▲ 1%
Cash	€ 1,118,655 Cash 2023: € 1,118,655 First fiscal year in the series	€ 1,273,701 Cash 2024: € 1,273,701 ▲ 14% vs 2023 (€ 1,118,655) Favourable step	€ 782,310 Cash 2025: € 782,310 ▼ 39% vs 2024 (€ 1,273,701) Unfavourable step	€ 848,632 Cash 2026: € 848,632 ▲ 8% vs 2025 (€ 782,310) Favourable step	▲ 8%
Retained profit	€ 380,918 Retained profit 2023: € 380,918 First fiscal year in the series	€ 157,334 Retained profit 2024: € 157,334 ▼ 59% vs 2023 (€ 380,918) Unfavourable step	€ 161,578 Retained profit 2025: € 161,578 ▲ 3% vs 2024 (€ 157,334) Favourable step	€ 178,450 Retained profit 2026: € 178,450 ▲ 10% vs 2025 (€ 161,578) Favourable step	▲ 10%
Dividend	€ 950,000 Dividend 2023: € 950,000 First fiscal year in the series	€ 978,924 Dividend 2024: € 978,924 ▲ 3% vs 2023 (€ 950,000) Unchanged	€ 80,642 Dividend 2025: € 80,642 ▼ 92% vs 2024 (€ 978,924) Unchanged	€ 320,576 Dividend 2026: € 320,576 ▲ 298% vs 2025 (€ 80,642) Unchanged	▲ 298%
Bank debt	€ 8,238,279 Bank debt 2023: € 8,238,279 First fiscal year in the series	€ 8,440,133 Bank debt 2024: € 8,440,133 ▲ 2% vs 2023 (€ 8,238,279) Unfavourable step	€ 8,355,998 Bank debt 2025: € 8,355,998 ▼ 1% vs 2024 (€ 8,440,133) Favourable step	€ 8,292,165 Bank debt 2026: € 8,292,165 ▼ 1% vs 2025 (€ 8,355,998) Favourable step	▼ 1%
Balance sheet total	€ 14,837,307 Balance sheet total 2023: € 14,837,307 First fiscal year in the series	€ 14,992,353 Balance sheet total 2024: € 14,992,353 ▲ 1% vs 2023 (€ 14,837,307) Unchanged	€ 14,500,530 Balance sheet total 2025: € 14,500,530 ▼ 3% vs 2024 (€ 14,992,353) Unchanged	€ 14,571,849 Balance sheet total 2026: € 14,571,849 Unchanged (€ 14,500,530) Unchanged

Key figures of Alto4, fiscal years 2023 to 2026, from the annual accounts filed with the National Bank of Belgium.Next annual account (fiscal year 2027) expected before 30 January 2028.

What happened to Alto4?

What happened at Alto4 in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:

2027 DG Infra Yield COMMV stepped down as director. NBB
2027 Hanne Akkermans stepped down as director. NBB
Sep 16, 2026 New annual accounts for financial year 2026: profit of € 337,449 (▲ 298% vs 2025). Source: NBB ↗
2021 DG Infra Yield COMMV became a director. NBB
2021 Hanne Akkermans became a director. NBB
Dec 28, 2011 New establishment in Antwerpen. KBO
Dec 28, 2011 Start of the company according to the CBE. KBO

In short

From € 513,279 profit in 2023 to € 337,449 profit in 2026.

Best year ever: 2024, with € 755,340 profit.

Paid out € 2.3 million in dividends to the owners in total.

Pays suppliers within 26 days on average.

Original PDFs at the National Bank ↗

Management

DG Infra Yield COMMV 100%

Alto4

Optimep 4 S.A. 80.1%

The shares are held by DG Infra Yield COMMV (100%). It owns 80.1% of Optimep 4 S.A. itself.

Directors

According to the 2026 annual accounts

DG Infra Yield COMMV

Director · represented by Joris Lannoy

Also active at: VIA BRUGGE, T&D Invest, Sunroof

since 2021 · until 2027

Hanne Akkermans

Director

Also active at: VIA A11, Sunroof, Project Brabo 1, Via R4-Gent

since 2021 · until 2027

Shareholders

DG Infra Yield COMMV

100%

Participations

Optimep 4 S.A.

80.1%

Establishments

Establishment units

Physical locations of this company

Registered office

Karel Oomsstraat 37

2018 Antwerpen

Who else lives here?

A building full of entrepreneurs or one very busy letterbox? Another 56 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: 0842.217.148
VAT number: BE 0842.217.148
Registered office: Karel Oomsstraat 37, 2018 Antwerpen
Names & denominations: Alto4
Enterprise type: Rechtspersoon
Legal form: Public limited company
Legal situation: Normale toestand
Start date: 28 December 2011
Peppol: Active · Active since 17 Sept 2025

View on CBE Public ↗ Annual accounts (NBB) ↗