What does Advocatenkantoor Koen T’Syen do?

Advocatenkantoor Koen T’Syen is a law firm in Jette. Private Limited, started on 11 May 2015, 1 establishment.

What is the address of Advocatenkantoor Koen T’Syen?

The registered office of Advocatenkantoor Koen T’Syen is located at Léon Theodorstraat 96 box 00/1, 1090 Jette.

Is Advocatenkantoor Koen T’Syen still active?

Yes. According to the CBE (30 September 2026) Advocatenkantoor Koen T’Syen is active, legal situation “Normale toestand”, started on 11 May 2015.

Is Advocatenkantoor Koen T’Syen registered on Peppol?

Yes, Advocatenkantoor Koen T’Syen is registered on the Peppol network with ID 0208:0629952543.

What is the enterprise number of Advocatenkantoor Koen T’Syen?

The enterprise number of Advocatenkantoor Koen T’Syen is BE0629952543.

When was Advocatenkantoor Koen T’Syen founded?

Advocatenkantoor Koen T’Syen was founded on 11 May 2015.

Who are the directors of Advocatenkantoor Koen T’Syen?

According to the 2025 annual accounts, the directors of Advocatenkantoor Koen T’Syen are: Koen T'Syen.

Is Advocatenkantoor Koen T’Syen a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 11 May 2015; 4 annual accounts filed, latest fiscal year 2025; 1 directors known from the annual account.

How much profit did Advocatenkantoor Koen T’Syen make in 2025?

Advocatenkantoor Koen T’Syen posted a profit after taxes of € 149,268 in financial year 2025.

What is the revenue of Advocatenkantoor Koen T’Syen?

As a small company, Advocatenkantoor Koen T’Syen is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € 186,023.

Advocatenkantoor Koen T’Syen (Private Limited) - Jette

Dossier Advocatenkantoor Koen T’Syen, printed on 30 September 2026 from databakkes.be/en/0629952543/advocatenkantoor-koen-t-syen. Sources: CBE, National Bank of Belgium, Belgian Official Gazette.

Financials

Financial year 2025

Advocatenkantoor Koen T’Syen from Jette, company number BE0629952543, closed financial year 2025 with a result of € 149,268 after tax. For that financial year Advocatenkantoor Koen T’Syen recorded a gross margin of € 186,023 and equity of € 210,561. Compared with financial year 2024, the result moved from € 174,030 to € 149,268. 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 January 30, 2026.

What it is worth Growing

€ 210,561

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

Profit Healthy

€ 149,268

▼ 14% vs 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 321,053

▼ 14% vs 2024

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

Where the profit goes Pays out

€ 148,336 paid out

99 % of the profit went to the shareholders, the rest stayed in the company.

People and assets in 2025

Vehicles and equipment

€ 425

▼ 33% vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt

None

No bank loans on the last day of the fiscal year.

Owed to suppliers

€ 305

▲ 25% vs 2024

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

Taxes

€ 16,694

▲ 19% 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	€ 162,914 Gross margin 2022: € 162,914 First fiscal year in the series	€ 179,046 Gross margin 2023: € 179,046 ▲ 10% vs 2022 (€ 162,914) Favourable step	€ 222,187 Gross margin 2024: € 222,187 ▲ 24% vs 2023 (€ 179,046) Favourable step	€ 186,023 Gross margin 2025: € 186,023 ▼ 16% vs 2024 (€ 222,187) Unfavourable step	▼ 16%
Profit after taxes	€ 125,547 Profit after taxes 2022: € 125,547 First fiscal year in the series	€ 138,233 Profit after taxes 2023: € 138,233 ▲ 10% vs 2022 (€ 125,547) Favourable step	€ 174,030 Profit after taxes 2024: € 174,030 ▲ 26% vs 2023 (€ 138,233) Favourable step	€ 149,268 Profit after taxes 2025: € 149,268 ▼ 14% vs 2024 (€ 174,030) Unfavourable step	▼ 14%
Equity	€ 413,367 Equity 2022: € 413,367 First fiscal year in the series	€ 400,600 Equity 2023: € 400,600 ▼ 3% vs 2022 (€ 413,367) Unfavourable step	€ 209,629 Equity 2024: € 209,629 ▼ 48% vs 2023 (€ 400,600) Unfavourable step	€ 210,561 Equity 2025: € 210,561 Unchanged (€ 209,629) Favourable step
Total debts	€ 32,800 Total debts 2022: € 32,800 First fiscal year in the series	€ 39,002 Total debts 2023: € 39,002 ▲ 19% vs 2022 (€ 32,800) Unfavourable step	€ 213,236 Total debts 2024: € 213,236 ▲ € 174,235 vs 2023 (€ 39,002) Unfavourable step	€ 142,622 Total debts 2025: € 142,622 ▼ 33% vs 2024 (€ 213,236) Favourable step	▼ 33%
Cash	€ 405,567 Cash 2022: € 405,567 First fiscal year in the series	€ 390,193 Cash 2023: € 390,193 ▼ 4% vs 2022 (€ 405,567) Unfavourable step	€ 373,562 Cash 2024: € 373,562 ▼ 4% vs 2023 (€ 390,193) Unfavourable step	€ 321,053 Cash 2025: € 321,053 ▼ 14% vs 2024 (€ 373,562) Unfavourable step	▼ 14%
Land & buildings	€ 398 Land & buildings 2022: € 398 First fiscal year in the series	€ 302 Land & buildings 2023: € 302 ▼ 24% vs 2022 (€ 398) Unchanged	€ 207 Land & buildings 2024: € 207 ▼ 32% vs 2023 (€ 302) Unchanged	€ 111 Land & buildings 2025: € 111 ▼ 46% vs 2024 (€ 207) Unchanged	▼ 46%
Retained profit	€ 394,767 Retained profit 2022: € 394,767 First fiscal year in the series	€ 382,000 Retained profit 2023: € 382,000 ▼ 3% vs 2022 (€ 394,767) Unfavourable step	€ 191,029 Retained profit 2024: € 191,029 ▼ 50% vs 2023 (€ 382,000) Unfavourable step	€ 191,961 Retained profit 2025: € 191,961 Unchanged (€ 191,029) Favourable step
Dividend	€ 124,000 Dividend 2022: € 124,000 First fiscal year in the series	€ 151,000 Dividend 2023: € 151,000 ▲ 22% vs 2022 (€ 124,000) Unchanged	€ 365,000 Dividend 2024: € 365,000 ▲ 142% vs 2023 (€ 151,000) Unchanged	€ 148,336 Dividend 2025: € 148,336 ▼ 59% vs 2024 (€ 365,000) Unchanged	▼ 59%
Balance sheet total	€ 446,167 Balance sheet total 2022: € 446,167 First fiscal year in the series	€ 439,601 Balance sheet total 2023: € 439,601 ▼ 1% vs 2022 (€ 446,167) Unchanged	€ 422,866 Balance sheet total 2024: € 422,866 ▼ 4% vs 2023 (€ 439,601) Unchanged	€ 353,183 Balance sheet total 2025: € 353,183 ▼ 16% vs 2024 (€ 422,866) Unchanged	▼ 16%

Key figures of Advocatenkantoor Koen T’Syen, fiscal years 2022 to 2025, from the annual accounts filed with the National Bank of Belgium.Next annual account (fiscal year 2026) expected before 30 January 2027.

What happened to Advocatenkantoor Koen T’Syen?

What happened at Advocatenkantoor Koen T’Syen in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:

Jan 30, 2026 New annual accounts for financial year 2025: profit of € 149,268 (▼ 14% vs 2024). Source: NBB ↗
May 11, 2015 New establishment in Jette. KBO
May 11, 2015 Start of the company according to the CBE. KBO

In short

From € 125,547 profit in 2022 to € 149,268 profit in 2025.

Paid € 173,142 in corporate taxes since 2022.

Best year ever: 2024, with € 174,030 profit.

Paid out € 788,336 in dividends to the owners in total.

Original PDFs at the National Bank ↗

A new publication or filing at Advocatenkantoor Koen T’Syen? 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

Koen T'Syen

Advocatenkantoor Koen T’Syen

Behind Advocatenkantoor Koen T’Syen is Koen T'Syen.

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Directors

According to the 2025 annual accounts

Koen T'Syen

Director

Establishments

Establishment units

Physical locations of this company

Registered office

Léon Theodorstraat 96 box 00/1

1090 Jette

2.241.870.334

Léon Theodorstraat 96 bus 00/1

1090 Jette

Active since 11 May 2015

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 →

iAdvisory

€ 88,767 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: 0629.952.543
VAT number: BE 0629.952.543
Registered office: Léon Theodorstraat 96 bus 00/1, 1090 Jette
Names & denominations: Advocatenkantoor Koen T’Syen
Enterprise type: Rechtspersoon
Legal form: Private limited company
Legal situation: Normale toestand
Start date: 11 May 2015
Peppol: Active · Active since 22 Oct 2025
Activities · NACE: Activiteiten van advocaten

View on CBE Public ↗ Annual accounts (NBB) ↗