K4 is an energy company in Leuven. Private Limited, started on 10 April 1996, 1 establishment.

What is the address of K4?

The registered office of K4 is located at Ooiendonk 8 box 204, 3000 Leuven.

Yes. According to the CBE (30 September 2026) K4 is active, legal situation “Normale toestand”, started on 10 April 1996.

Is K4 registered on Peppol?

Yes, K4 is registered on the Peppol network with ID 0208:0457655007.

What is the enterprise number of K4?

The enterprise number of K4 is BE0457655007.

K4 was founded on 10 April 1996.

Who are the directors of K4?

According to the 2025 annual accounts, the directors of K4 are: Jan Van Gael.

Is K4 a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 10 April 1996; 5 annual accounts filed, latest fiscal year 2025; 1 directors known from the annual account.

How much profit did K4 make in 2025?

K4 recorded a loss after taxes of € 4,598 in financial year 2025.

What is the revenue of K4?

As a small company, K4 is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € 19,543.

K4 (Private Limited) - Leuven - BE0457655007

Dossier K4, printed on 30 September 2026 from databakkes.be/en/0457655007/k4. 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 58 % of short-term debt in 2025; threshold 65 %.

Financials

Financial year 2025

K4 from Leuven, company number BE0457655007, closed financial year 2025 with a result of € -4,598 after tax. For that financial year K4 recorded a gross margin of € 19,543 and equity of € 124,169. Compared with financial year 2024, the result moved from € 4,197 to € -4,598. The company made a loss. The company holds a healthy buffer. A strong own buffer against the debts. The most recent annual accounts were filed with the National Bank of Belgium on June 25, 2026.

What it is worth Healthy

€ 124,169

▼ 4% vs 2024

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

Loss Caution

€ -4,598

▼ still € 4,197 profit in 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 41,329

▼ 47% vs 2024

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

Where the profit goes Caution

Loss, nothing to pay out

Reserves fell to € 123,169.

People and assets in 2025

Full-time equivalents estimate The annual accounts report no full-time equivalents. A micro company with one active director is usually run by that person; this is an assumption, not a figure from the source.

≈ 1

No payroll staff. One director, so that person most likely runs the business.

Vehicles and equipment

€ 672

▲ 7% 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

€ 3,498

▲ 34% vs 2024

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

Taxes

€ 3,361

▲ 166% vs 2024

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

Want to see how much further we take a dossier in the Pro version? Open the free De Lijn example and give feedback →

Key figures per fiscal year Download key figures (CSV)
	2022	2023	2024	2025	Change 2024 → 2025
Gross margin	€ 70,113 Gross margin 2022: € 70,113 First fiscal year in the series	€ 32,703 Gross margin 2023: € 32,703 ▼ 53% vs 2022 (€ 70,113) Unfavourable step	€ 29,896 Gross margin 2024: € 29,896 ▼ 9% vs 2023 (€ 32,703) Unfavourable step	€ 19,543 Gross margin 2025: € 19,543 ▼ 35% vs 2024 (€ 29,896) Unfavourable step	▼ 35%
Profit after taxes	€ 39,100 Profit after taxes 2022: € 39,100 First fiscal year in the series	€ 8,820 Profit after taxes 2023: € 8,820 ▼ 77% vs 2022 (€ 39,100) Unfavourable step	€ 4,197 Profit after taxes 2024: € 4,197 ▼ 52% vs 2023 (€ 8,820) Unfavourable step	€ -4,598 Profit after taxes 2025: € -4,598 ▼ € 8,795 vs 2024 (€ 4,197) Unfavourable step	▼ € 8,795
Equity	€ 134,750 Equity 2022: € 134,750 First fiscal year in the series	€ 143,570 Equity 2023: € 143,570 ▲ 7% vs 2022 (€ 134,750) Favourable step	€ 128,767 Equity 2024: € 128,767 ▼ 10% vs 2023 (€ 143,570) Unfavourable step	€ 124,169 Equity 2025: € 124,169 ▼ 4% vs 2024 (€ 128,767) Unfavourable step	▼ 4%
Total debts	€ 169,613 Total debts 2022: € 169,613 First fiscal year in the series	€ 80,155 Total debts 2023: € 80,155 ▼ 53% vs 2022 (€ 169,613) Favourable step	€ 120,030 Total debts 2024: € 120,030 ▲ 50% vs 2023 (€ 80,155) Unfavourable step	€ 72,995 Total debts 2025: € 72,995 ▼ 39% vs 2024 (€ 120,030) Favourable step	▼ 39%
Cash	€ 89,610 Cash 2022: € 89,610 First fiscal year in the series	€ 34,648 Cash 2023: € 34,648 ▼ 61% vs 2022 (€ 89,610) Unfavourable step	€ 77,731 Cash 2024: € 77,731 ▲ 124% vs 2023 (€ 34,648) Favourable step	€ 41,329 Cash 2025: € 41,329 ▼ 47% vs 2024 (€ 77,731) Unfavourable step	▼ 47%
Land & buildings	€ 216,164 Land & buildings 2022: € 216,164 First fiscal year in the series	€ 201,913 Land & buildings 2023: € 201,913 ▼ 7% vs 2022 (€ 216,164) Unchanged	€ 183,911 Land & buildings 2024: € 183,911 ▼ 9% vs 2023 (€ 201,913) Unchanged	€ 168,373 Land & buildings 2025: € 168,373 ▼ 8% vs 2024 (€ 183,911) Unchanged	▼ 8%
Retained profit	€ 114,750 Retained profit 2022: € 114,750 First fiscal year in the series	€ 123,570 Retained profit 2023: € 123,570 ▲ 8% vs 2022 (€ 114,750) Favourable step	€ 127,767 Retained profit 2024: € 127,767 ▲ 3% vs 2023 (€ 123,570) Favourable step	€ 123,169 Retained profit 2025: € 123,169 ▼ 4% vs 2024 (€ 127,767) Unfavourable step	▼ 4%
Balance sheet total	€ 330,137 Balance sheet total 2022: € 330,137 First fiscal year in the series	€ 246,278 Balance sheet total 2023: € 246,278 ▼ 25% vs 2022 (€ 330,137) Unchanged	€ 268,128 Balance sheet total 2024: € 268,128 ▲ 9% vs 2023 (€ 246,278) Unchanged	€ 213,273 Balance sheet total 2025: € 213,273 ▼ 20% vs 2024 (€ 268,128) Unchanged	▼ 20%

Key figures of K4, 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 K4?

What happened at K4 in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:

Jun 25, 2026 New annual accounts for financial year 2025: loss of € 4,598 (▼ € 8,795 vs 2024). Source: NBB ↗
Apr 29, 1996 New establishment in Leuven. KBO
Apr 10, 1996 Start of the company according to the CBE. KBO

In short

From € 39,100 profit in 2022 to € 4,598 loss in 2025.

Paid € 19,622 in corporate taxes since 2022.

Best year ever: 2022, with € 39,100 profit.

Original PDFs at the National Bank ↗

A new publication or filing at K4? We notify you, reason included.

Follow K4

Databakkes Pro

Know what changes at your customers, suppliers and competitors. Without reading an annual account.

Follow them in one folder Every company in your folder gets this full dossier: household book, all fiscal years, benchmark against companies of the same size.
We alert you, with the reason New annual account, Official Gazette publication or status change: you get what changed and where it says so.
In bulk too, and in ChatGPT and Claude Upload your customer list and get the warning signs back per company. Or ask in your own AI assistant, with this register as the source.

Yes, I want that

See what a followed company gets: the De Lijn dossier

Databakkes Pro is being built. Sign up now and you are first in line for an invitation, with a month to try without a credit card.

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

Jan Van Gael

Behind K4 is Jan Van Gael.

See the full network in the app

Directors

According to the 2025 annual accounts

Jan Van Gael

Director

Establishments

Establishment units

Physical locations of this company

Registered office

Ooiendonk 8 box 204

3000 Leuven

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

Details

Company number: 0457.655.007
VAT number: BE 0457.655.007
Registered office: Ooiendonk 8 bus 204, 3000 Leuven
Names & denominations: K4
Enterprise type: Rechtspersoon
Legal form: Private limited company
Legal situation: Normale toestand
Start date: 10 April 1996
Peppol: Active · Active since 16 Dec 2025
Activities · NACE: Productie van elektriciteit uit niet-hernieuwbare bronnen

View on CBE Public ↗ Annual accounts (NBB) ↗

K4