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 (29 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.

Who are the directors of ALT-O?

According to the 2025 annual accounts, the directors of ALT-O are: Corentin Voglaire, Piotr WIERUSZ-KOWALSKI, Katia LINARES.

Is ALT-O a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 11 September 2014; 5 annual accounts filed, latest fiscal year 2025; 3 directors known from the annual account.

How much profit did ALT-O make in 2025?

ALT-O posted a profit after taxes of € 12,719 in financial year 2025.

What is the revenue of ALT-O?

As a small company, ALT-O is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € 120,541.

How much does an employee at ALT-O earn?

The average wage cost per full-time employee at ALT-O was € 92,000 in 2025: staff costs of € 91,966 for 1 FTE, according to the annual account at the National Bank. That is the employer's cost, not net pay.

How many employees does ALT-O have?

According to the 2025 annual accounts, ALT-O has 1 full-time equivalents (FTE).

Does ALT-O have a website?

Yes, ALT-O has a website at praxislaw.eu.

ALT-O (Private Limited) - Elsene - BE0561881210

Dossier ALT-O, printed on 29 October 2026 from databakkes.be/en/0561881210/alt-o. 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.

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

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 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.

€ 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.

Key figures per fiscal year Download key figures (CSV)
	2022	2023	2024	2025	Change 2024 → 2025
Gross margin	€ 124,819 Gross margin 2022: € 124,819 First fiscal year in the series	€ 122,868 Gross margin 2023: € 122,868 ▼ 2% vs 2022 (€ 124,819) Unfavourable step	€ 127,030 Gross margin 2024: € 127,030 ▲ 3% vs 2023 (€ 122,868) Favourable step	€ 120,541 Gross margin 2025: € 120,541 ▼ 5% vs 2024 (€ 127,030) Unfavourable step	▼ 5%
Profit after taxes	€ 23,749 Profit after taxes 2022: € 23,749 First fiscal year in the series	€ 121,141 Profit after taxes 2023: € 121,141 ▲ € 97,392 vs 2022 (€ 23,749) Favourable step	€ 24,571 Profit after taxes 2024: € 24,571 ▼ 80% vs 2023 (€ 121,141) Unfavourable step	€ 12,719 Profit after taxes 2025: € 12,719 ▼ 48% vs 2024 (€ 24,571) Unfavourable step	▼ 48%
Equity	€ 240,734 Equity 2022: € 240,734 First fiscal year in the series	€ 279,522 Equity 2023: € 279,522 ▲ 16% vs 2022 (€ 240,734) Favourable step	€ 304,093 Equity 2024: € 304,093 ▲ 9% vs 2023 (€ 279,522) Favourable step	€ 316,812 Equity 2025: € 316,812 ▲ 4% vs 2024 (€ 304,093) Favourable step	▲ 4%
Total debts	€ 101,418 Total debts 2022: € 101,418 First fiscal year in the series	€ 127,884 Total debts 2023: € 127,884 ▲ 26% vs 2022 (€ 101,418) Unfavourable step	€ 57,397 Total debts 2024: € 57,397 ▼ 55% vs 2023 (€ 127,884) Favourable step	€ 69,547 Total debts 2025: € 69,547 ▲ 21% vs 2024 (€ 57,397) Unfavourable step	▲ 21%
Cash	€ 6,876 Cash 2022: € 6,876 First fiscal year in the series	€ 22,874 Cash 2023: € 22,874 ▲ 233% vs 2022 (€ 6,876) Favourable step	€ 18,971 Cash 2024: € 18,971 ▼ 17% vs 2023 (€ 22,874) Unfavourable step	€ 7,763 Cash 2025: € 7,763 ▼ 59% vs 2024 (€ 18,971) Unfavourable step	▼ 59%
Retained profit	€ 222,134 Retained profit 2022: € 222,134 First fiscal year in the series	€ 260,922 Retained profit 2023: € 260,922 ▲ 17% vs 2022 (€ 222,134) Favourable step	€ 285,493 Retained profit 2024: € 285,493 ▲ 9% vs 2023 (€ 260,922) Favourable step	€ 298,212 Retained profit 2025: € 298,212 ▲ 4% vs 2024 (€ 285,493) Favourable step	▲ 4%
Dividend	€ 0 Dividend 2022: € 0 First fiscal year in the series	€ 82,353 Dividend 2023: € 82,353 Unchanged (€ 0) Unchanged	€ 0 Dividend 2024: € 0 ▼ 100% vs 2023 (€ 82,353) Unchanged	€ 0 Dividend 2025: € 0 Unchanged (€ 0) Unchanged
Bank debt	€ 11,078 Bank debt 2022: € 11,078 First fiscal year in the series	€ 51,083 Bank debt 2023: € 51,083 ▲ € 40,004 vs 2022 (€ 11,078) Unfavourable step	€ 20,402 Bank debt 2024: € 20,402 ▼ 60% vs 2023 (€ 51,083) Favourable step	€ 41,240 Bank debt 2025: € 41,240 ▲ 102% vs 2024 (€ 20,402) Unfavourable step	▲ 102%
Balance sheet total	€ 342,152 Balance sheet total 2022: € 342,152 First fiscal year in the series	€ 407,407 Balance sheet total 2023: € 407,407 ▲ 19% vs 2022 (€ 342,152) Unchanged	€ 361,490 Balance sheet total 2024: € 361,490 ▼ 11% vs 2023 (€ 407,407) Unchanged	€ 386,359 Balance sheet total 2025: € 386,359 ▲ 7% vs 2024 (€ 361,490) Unchanged	▲ 7%
Employees (FTE)	1 Employees (FTE) 2022: 1 First fiscal year in the series	1 Employees (FTE) 2023: 1 Unchanged (1) Unchanged	1 Employees (FTE) 2024: 1 Unchanged (1) Unchanged	1 Employees (FTE) 2025: 1 Unchanged (1) Unchanged

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:

May 27, 2026 New annual accounts for financial year 2025: profit of € 12,719 (▼ 48% vs 2024). Source: NBB ↗
Oct 1, 2014 New establishment in Elsene. KBO
2014 Corentin Voglaire became a director. NBB
2014 Piotr WIERUSZ-KOWALSKI became a director. NBB
2014 Katia LINARES became a director. NBB
Sep 11, 2014 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.

Original PDFs at the National Bank ↗

Management

NEOTTIA 36.6%

OUT OF SCOPE 32.2%

KLDM Consulting 31.3%

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

MK Engineering 100%

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.

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

NEOTTIA

36.6%

OUT OF SCOPE

32.2%

KLDM Consulting

31.3%

Participations

MK Engineering

100%

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 →

GR WorkTech

What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.

Website

HTTPS praxislaw.eu

Canonical: https://praxislaw.eu/en/

Technologies

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Hosting & Email

Email provider

Microsoft 365

Hosting

MAS-ALL2ALL, BE

DNS

OVH DNS

Domain

praxislaw.eu

Registrar

OVH SAS

Website info

HTTPS Ja

Indexable pages 45

Languages EN, FR, NL

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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View on CBE Public ↗ Annual accounts (NBB) ↗

ALT-O

Warning lights

Financials

What happened to ALT-O?

Management

Directors

Shareholders

Participations

Establishments

Establishment units

Who else lives here?

Website

Technologies

Hosting & Email

Domain

Website info

Features

Security

Details

Frequently asked questions