What does ALTERLINE do?

ALTERLINE is an engineering firm in Etterbeek. Private Limited, started on 23 January 2015, 1 establishment.

What is the address of ALTERLINE?

The registered office of ALTERLINE is located at Steenweg op Waver 870 box 10, 1040 Etterbeek.

Is ALTERLINE still active?

Yes. According to the CBE (16 September 2026) ALTERLINE is active, legal situation “Normale toestand”, started on 23 January 2015.

Is ALTERLINE registered on Peppol?

Yes, ALTERLINE is registered on the Peppol network with ID 0208:0578846807.

What is the enterprise number of ALTERLINE?

The enterprise number of ALTERLINE is BE0578846807.

When was ALTERLINE founded?

ALTERLINE was founded on 23 January 2015.

Who are the directors of ALTERLINE?

According to the 2025 annual accounts, the directors of ALTERLINE are: STEPHANE POELLAER.

Is ALTERLINE a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 23 January 2015; 5 annual accounts filed, latest fiscal year 2025; 1 directors known from the annual account.

How much profit did ALTERLINE make in 2025?

ALTERLINE posted a profit after taxes of € 85,658 in financial year 2025.

What is the revenue of ALTERLINE?

As a small company, ALTERLINE is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € 210,582.

ALTERLINE (Private Limited) - Etterbeek - BE0578846807

Dossier ALTERLINE, printed on 16 September 2026 from databakkes.be/en/0578846807/alterline. Sources: CBE, National Bank of Belgium, Belgian Official Gazette.

Financials

Financial year 2025

ALTERLINE from Etterbeek, company number BE0578846807, closed financial year 2025 with a result of € 85,658 after tax. For that financial year ALTERLINE recorded a gross margin of € 210,582 and equity of € 974,827. Compared with financial year 2024, the result moved from € 172,168 to € 85,658. 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 August 30, 2026.

What it is worth Growing

€ 974,827

▲ 10% vs 2024

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

Profit Healthy

€ 85,658

▼ 50% vs 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 750,700

▲ 27% 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 € 954,827.

People and assets in 2025

Vehicles and equipment

€ 3,788

▲ 235% vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt ≈ 11 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.

€ 316,835

▼ 8% vs 2024

€ 29,317 is repaid this year. At this pace the long-term loan is gone in ≈ 11 years.

Owed to suppliers

€ 51,816

▲ € 47,568 vs 2024

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

Taxes

€ 4,294

▲ 168% vs 2024

Corporate tax and VAT still to pay. No wage debt: nothing outstanding to staff or social security.

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Key figures per fiscal year Download key figures (CSV)
	2022	2023	2024	2025	Change 2024 → 2025
Gross margin	€ 319,384 Gross margin 2022: € 319,384 First fiscal year in the series	€ 488,509 Gross margin 2023: € 488,509 ▲ 53% vs 2022 (€ 319,384) Favourable step	€ 275,336 Gross margin 2024: € 275,336 ▼ 44% vs 2023 (€ 488,509) Unfavourable step	€ 210,582 Gross margin 2025: € 210,582 ▼ 24% vs 2024 (€ 275,336) Unfavourable step	▼ 24%
Profit after taxes	€ 208,440 Profit after taxes 2022: € 208,440 First fiscal year in the series	€ 287,186 Profit after taxes 2023: € 287,186 ▲ 38% vs 2022 (€ 208,440) Favourable step	€ 172,168 Profit after taxes 2024: € 172,168 ▼ 40% vs 2023 (€ 287,186) Unfavourable step	€ 85,658 Profit after taxes 2025: € 85,658 ▼ 50% vs 2024 (€ 172,168) Unfavourable step	▼ 50%
Equity	€ 662,553 Equity 2022: € 662,553 First fiscal year in the series	€ 949,739 Equity 2023: € 949,739 ▲ 43% vs 2022 (€ 662,553) Favourable step	€ 889,168 Equity 2024: € 889,168 ▼ 6% vs 2023 (€ 949,739) Unfavourable step	€ 974,827 Equity 2025: € 974,827 ▲ 10% vs 2024 (€ 889,168) Favourable step	▲ 10%
Total debts	€ 607,180 Total debts 2022: € 607,180 First fiscal year in the series	€ 492,236 Total debts 2023: € 492,236 ▼ 19% vs 2022 (€ 607,180) Favourable step	€ 585,454 Total debts 2024: € 585,454 ▲ 19% vs 2023 (€ 492,236) Unfavourable step	€ 498,270 Total debts 2025: € 498,270 ▼ 15% vs 2024 (€ 585,454) Favourable step	▼ 15%
Cash	€ 519,436 Cash 2022: € 519,436 First fiscal year in the series	€ 618,242 Cash 2023: € 618,242 ▲ 19% vs 2022 (€ 519,436) Favourable step	€ 592,165 Cash 2024: € 592,165 ▼ 4% vs 2023 (€ 618,242) Unfavourable step	€ 750,700 Cash 2025: € 750,700 ▲ 27% vs 2024 (€ 592,165) Favourable step	▲ 27%
Land & buildings	€ 514,986 Land & buildings 2022: € 514,986 First fiscal year in the series	€ 501,241 Land & buildings 2023: € 501,241 ▼ 3% vs 2022 (€ 514,986) Unchanged	€ 487,497 Land & buildings 2024: € 487,497 ▼ 3% vs 2023 (€ 501,241) Unchanged	€ 473,752 Land & buildings 2025: € 473,752 ▼ 3% vs 2024 (€ 487,497) Unchanged	▼ 3%
Retained profit	€ 642,553 Retained profit 2022: € 642,553 First fiscal year in the series	€ 929,739 Retained profit 2023: € 929,739 ▲ 45% vs 2022 (€ 642,553) Favourable step	€ 869,168 Retained profit 2024: € 869,168 ▼ 7% vs 2023 (€ 929,739) Unfavourable step	€ 954,827 Retained profit 2025: € 954,827 ▲ 10% vs 2024 (€ 869,168) Favourable step	▲ 10%
Dividend	€ 122,675 Dividend 2022: € 122,675 First fiscal year in the series	€ 0 Dividend 2023: € 0 ▼ 100% vs 2022 (€ 122,675) Unchanged	€ 232,739 Dividend 2024: € 232,739 Unchanged (€ 0) Unchanged	€ 0 Dividend 2025: € 0 ▼ 100% vs 2024 (€ 232,739) Unchanged	▼ 100%
Bank debt	€ 403,121 Bank debt 2022: € 403,121 First fiscal year in the series	€ 374,629 Bank debt 2023: € 374,629 ▼ 7% vs 2022 (€ 403,121) Favourable step	€ 345,875 Bank debt 2024: € 345,875 ▼ 8% vs 2023 (€ 374,629) Favourable step	€ 316,835 Bank debt 2025: € 316,835 ▼ 8% vs 2024 (€ 345,875) Favourable step	▼ 8%
Balance sheet total	€ 1,269,733 Balance sheet total 2022: € 1,269,733 First fiscal year in the series	€ 1,441,974 Balance sheet total 2023: € 1,441,974 ▲ 14% vs 2022 (€ 1,269,733) Unchanged	€ 1,474,623 Balance sheet total 2024: € 1,474,623 ▲ 2% vs 2023 (€ 1,441,974) Unchanged	€ 1,473,097 Balance sheet total 2025: € 1,473,097 Unchanged (€ 1,474,623) Unchanged

Key figures of ALTERLINE, 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 ALTERLINE?

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

Aug 30, 2026 New annual accounts for financial year 2025: profit of € 85,658 (▼ 50% vs 2024). filed late Source: NBB ↗
Jan 23, 2015 New establishment in Etterbeek. KBO
Jan 23, 2015 Start of the company according to the CBE. KBO

In short

From € 208,440 profit in 2022 to € 85,658 profit in 2025.

Paid € 336,856 in corporate taxes since 2022.

Best year ever: 2023, with € 287,186 profit.

Paid out € 355,414 in dividends to the owners in total.

Original PDFs at the National Bank ↗

A new publication or filing at ALTERLINE? We notify you, reason included.

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My folder 3 companies

De Lijn 8 June 2026 New annual account 2025

filed on 8 June 2026

What was left

€ 20 k ▼ 91%
Money in the bank

€ 178 k ▼ 98%

Open the dossier →
NMBS 8 June 2026 New annual account 2025 What was left ▼ 80%
bpost 18 May 2026 New annual account 2025 What was left from loss to profit

Real filings at the National Bank

Management

STEPHANE POELLAER

ALTERLINE

Behind ALTERLINE is STEPHANE POELLAER.

See the full network in the app

Directors

According to the 2025 annual accounts

STEPHANE POELLAER

Director

Establishments

Establishment units

Physical locations of this company

Registered office

Steenweg op Waver 870 box 10

1040 Etterbeek

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 →

ASA Partners

€ 25,492 gross margin · 2025

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€ 219,374 gross margin · 2025

SF BEAUTY CENTER

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

Details

Company number: 0578.846.807
VAT number: BE 0578.846.807
Registered office: Steenweg op Waver 870 bus 10, 1040 Etterbeek
Names & denominations: ALTERLINE
Enterprise type: Rechtspersoon
Legal form: Private limited company
Legal situation: Normale toestand
Start date: 23 January 2015
Peppol: Active · Active since 19 Aug 2025
Activities · NACE: Activiteiten van ingenieurs en aanverwante technische adviseurs, exclusief landmeters-experts

View on CBE Public ↗ Annual accounts (NBB) ↗