Active · per the CBE, 3 October 2026
ALT-O logo

ALT-O

BE0561881210

Rechtspersoon Private limited company 1 establishment

ALT-O is an engineering firm in Elsene. Private Limited, started on 11 September 2014, 1 establishment.

Waterloose Steenweg 412/F, 1050 Elsene praxislaw.eu

Behind the company: Corentin Voglaire, Piotr WIERUSZ-KOWALSKI, Katia LINARES.

Active for

12 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 48 % of short-term debt in 2025; threshold 65 %.

Financials

Financial year 2025

ALT-O from Elsene, company number BE0561881210, closed financial year 2025 with a result of € 12,719 after tax. For that financial year ALT-O recorded a gross margin of € 120,541 and equity of € 316,812. Compared with financial year 2024, the result moved from € 24,571 to € 12,719. 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 May 27, 2026.

What it is worth Growing

€ 316,812

▲ 4% vs 2024

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

Profit Healthy

€ 12,719

▼ 48% vs 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 7,763

▼ 59% 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 € 298,212.

People and assets in 2025

Full-time equivalents

1

Average over the fiscal year, from the social balance sheet.

Wage cost

€ 91,966

▲ 6% vs 2024

€ 92,000 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.

Vehicles and equipment

€ 31,228

▲ € 28,640 vs 2024

Of which on lease € 30,172.

Debts at end 2025

Bank debt ≈ 3 years to go

€ 41,240

▲ 102% vs 2024

€ 10,931 is repaid this year. At this pace the long-term loan is gone in ≈ 3 years.

Owed to suppliers

€ 14,695

▲ 129% vs 2024

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

Taxes and wages

€ 13,613

▼ 18% vs 2024

Taxes, VAT and social contributions still to pay.

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Key figures per fiscal year Download key figures (CSV)
2022202320242025Change 2024 → 2025
Gross margin € 124,819 € 122,868 € 127,030 € 120,541 ▼ 5%
Profit after taxes € 23,749 € 121,141 € 24,571 € 12,719 ▼ 48%
Equity € 240,734 € 279,522 € 304,093 € 316,812 ▲ 4%
Total debts € 101,418 € 127,884 € 57,397 € 69,547 ▲ 21%
Cash € 6,876 € 22,874 € 18,971 € 7,763 ▼ 59%
Retained profit € 222,134 € 260,922 € 285,493 € 298,212 ▲ 4%
Dividend € 0 € 82,353 € 0 € 0
Bank debt € 11,078 € 51,083 € 20,402 € 41,240 ▲ 102%
Balance sheet total € 342,152 € 407,407 € 361,490 € 386,359 ▲ 7%
Employees (FTE) 1 1 1 1

Key figures of ALT-O, 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 ALT-O?

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

  • New annual accounts for financial year 2025: profit of € 12,719 (▼ 48% vs 2024). Source: NBB ↗
  • New establishment in Elsene. KBO
  • Corentin Voglaire became a director. NBB
  • Piotr WIERUSZ-KOWALSKI became a director. NBB
  • Katia LINARES became a director. NBB
  • Start of the company according to the CBE. KBO

In short

From € 23,749 profit in 2022 to € 12,719 profit in 2025.

Paid € 48,766 in corporate taxes since 2022.

Best year ever: 2023, with € 121,141 profit.

On average € 120,500 of value added per employee in 2025.

Management

The stake of NEOTTIA, OUT OF SCOPE, KLDM Consulting comes from that shareholder’s own annual accounts; small companies do not report their shareholders themselves.

ALT-O

Behind ALT-O are Corentin Voglaire, Piotr WIERUSZ-KOWALSKI and Katia LINARES. The shares are held by NEOTTIA (36.6%), OUT OF SCOPE (32.2%) and KLDM Consulting (31.3%). It owns 100% of MK Engineering itself.

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Directors

According to the 2025 annual accounts

Corentin Voglaire

Director

Also active at: MK ENGINEERING, OUT OF SCOPE

since 2014

Piotr WIERUSZ-KOWALSKI

Managing director

Also active at: MK ENGINEERING, NEOTTIA

since 2014

Katia LINARES

Director

Also active at: MK ENGINEERING, KLDM Consulting

since 2014

Shareholders

Participations

Establishments

Establishment units

Physical locations of this company

Registered office

Waterloose Steenweg 412/F

1050 Elsene

Who else lives here?

A building full of entrepreneurs or one very busy letterbox? Another 1 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.

Website

Technologies

AOSAll in One SEOApacheContact Form 7Font AwesomePHPSlickWPMLWordPressWordfencejQueryunpkg

Hosting & Email

Email provider

Microsoft 365

Hosting

MAS-ALL2ALL, BE

DNS

OVH DNS

Domain

Domain

praxislaw.eu

Registrar

OVH SAS

Website info

HTTPS Ja
Indexable pages 45
Languages EN, FR, NL
Copyright 2026

Features

Blog Contact page

Security

✓ HTTPS
✓ SPF
✓ DMARC

Details

Company number
0561.881.210
VAT number
BE 0561.881.210
Registered office
Waterloose Steenweg 412/F, 1050 Elsene
Names & denominations
ALT-O
Enterprise type
Rechtspersoon
Legal form
Private limited company
Legal situation
Normale toestand
Start date
11 September 2014
Peppol
Active · Active since 20 Nov 2025
Contact
praxislaw.eu
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Frequently asked questions

What does ALT-O do?
ALT-O is an engineering firm in Elsene. Private Limited, started on 11 September 2014, 1 establishment.
What is the address of ALT-O?
The registered office of ALT-O is located at Waterloose Steenweg 412/F, 1050 Elsene.
Is ALT-O still active?
Yes. According to the CBE (3 October 2026) ALT-O is active, legal situation “Normale toestand”, started on 11 September 2014.
Is ALT-O registered on Peppol?
Yes, ALT-O is registered on the Peppol network with ID 0208:0561881210.
What is the enterprise number of ALT-O?
The enterprise number of ALT-O is BE0561881210.
When was ALT-O founded?
ALT-O was founded on 11 September 2014.