What does HEAT-UP do?

HEAT-UP is a heating and ventilation installer in Nivelles. Private Limited, started on 13 November 2020, 1 establishment.

What is the address of HEAT-UP?

The registered office of HEAT-UP is located at Rue de l'Industrie 22a box C04, 1400 Nivelles.

Is HEAT-UP still active?

Yes. According to the CBE (30 September 2026) HEAT-UP is active, legal situation “Normale toestand”, started on 13 November 2020.

Is HEAT-UP registered on Peppol?

Yes, HEAT-UP is registered on the Peppol network with ID 0208:0758418452.

What is the enterprise number of HEAT-UP?

The enterprise number of HEAT-UP is BE0758418452.

When was HEAT-UP founded?

HEAT-UP was founded on 13 November 2020.

Who are the directors of HEAT-UP?

According to the 2025 annual accounts, the directors of HEAT-UP are: Harold WECKX.

Is HEAT-UP a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 13 November 2020; 5 annual accounts filed, latest fiscal year 2025; 1 directors known from the annual account.

How much profit did HEAT-UP make in 2025?

HEAT-UP recorded a loss after taxes of € 111,187 in financial year 2025.

What is the revenue of HEAT-UP?

As a small company, HEAT-UP is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € -80,058.

HEAT-UP (Private Limited) - Nivelles - BE0758418452

Dossier HEAT-UP, printed on 30 September 2026 from databakkes.be/en/0758418452/heat-up. 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.

Two loss years in a row NBB

Negative result in 2024 and 2025.

Financials

Financial year 2025

HEAT-UP from Nivelles, company number BE0758418452, closed financial year 2025 with a result of € -111,187 after tax. For that financial year HEAT-UP recorded a gross margin of € -80,058 and equity of € 22,663. Compared with financial year 2024, the result moved from € -2,421 to € -111,187. The company made a loss. The buffer shrank hard: equity is 83 % below last year. High debts against a small own buffer. The most recent annual accounts were filed with the National Bank of Belgium on September 17, 2026.

What it is worth Shrank hard

€ 22,663

▼ 83% vs 2024

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

Loss Caution

€ -111,187

▼ 4493 % more loss than in 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 18

▼ 98% 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 € 12,663.

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

€ 4,313

▼ 51% 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

€ 122,878

▲ 254% vs 2024

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

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Key figures per fiscal year Download key figures (CSV)
	2022	2023	2024	2025	Change 2024 → 2025
Gross margin	€ 60,692 Gross margin 2022: € 60,692 First fiscal year in the series	€ 148,450 Gross margin 2023: € 148,450 ▲ 145% vs 2022 (€ 60,692) Favourable step	€ 69,507 Gross margin 2024: € 69,507 ▼ 53% vs 2023 (€ 148,450) Unfavourable step	€ -80,058 Gross margin 2025: € -80,058 ▼ € 149,565 vs 2024 (€ 69,507) Unfavourable step	▼ € 149,565
Profit after taxes	€ 28,152 Profit after taxes 2022: € 28,152 First fiscal year in the series	€ 63,603 Profit after taxes 2023: € 63,603 ▲ 126% vs 2022 (€ 28,152) Favourable step	€ -2,421 Profit after taxes 2024: € -2,421 ▼ € 66,024 vs 2023 (€ 63,603) Unfavourable step	€ -111,187 Profit after taxes 2025: € -111,187 ▼ € 108,766 vs 2024 (€ -2,421) Unfavourable step	▼ € 108,766
Equity	€ 72,687 Equity 2022: € 72,687 First fiscal year in the series	€ 136,290 Equity 2023: € 136,290 ▲ 88% vs 2022 (€ 72,687) Favourable step	€ 133,850 Equity 2024: € 133,850 ▼ 2% vs 2023 (€ 136,290) Unfavourable step	€ 22,663 Equity 2025: € 22,663 ▼ 83% vs 2024 (€ 133,850) Unfavourable step	▼ 83%
Total debts	€ 113,851 Total debts 2022: € 113,851 First fiscal year in the series	€ 91,799 Total debts 2023: € 91,799 ▼ 19% vs 2022 (€ 113,851) Favourable step	€ 56,329 Total debts 2024: € 56,329 ▼ 39% vs 2023 (€ 91,799) Favourable step	€ 142,980 Total debts 2025: € 142,980 ▲ 154% vs 2024 (€ 56,329) Unfavourable step	▲ 154%
Cash	€ 80,680 Cash 2022: € 80,680 First fiscal year in the series	€ 20,131 Cash 2023: € 20,131 ▼ 75% vs 2022 (€ 80,680) Unfavourable step	€ 961 Cash 2024: € 961 ▼ 95% vs 2023 (€ 20,131) Unfavourable step	€ 18 Cash 2025: € 18 ▼ 98% vs 2024 (€ 961) Unfavourable step	▼ 98%
Retained profit	€ 62,687 Retained profit 2022: € 62,687 First fiscal year in the series	€ 126,290 Retained profit 2023: € 126,290 ▲ 101% vs 2022 (€ 62,687) Favourable step	€ 123,850 Retained profit 2024: € 123,850 ▼ 2% vs 2023 (€ 126,290) Unfavourable step	€ 12,663 Retained profit 2025: € 12,663 ▼ 90% vs 2024 (€ 123,850) Unfavourable step	▼ 90%
Bank debt	€ 25,764 Bank debt 2022: € 25,764 First fiscal year in the series	€ 33,772 Bank debt 2023: € 33,772 ▲ 31% vs 2022 (€ 25,764) Unfavourable step	€ 2,213 Bank debt 2024: € 2,213 ▼ 93% vs 2023 (€ 33,772) Favourable step	€ 0 Bank debt 2025: € 0 ▼ 100% vs 2024 (€ 2,213) Favourable step	▼ 100%
Balance sheet total	€ 186,537 Balance sheet total 2022: € 186,537 First fiscal year in the series	€ 228,089 Balance sheet total 2023: € 228,089 ▲ 22% vs 2022 (€ 186,537) Unchanged	€ 190,179 Balance sheet total 2024: € 190,179 ▼ 17% vs 2023 (€ 228,089) Unchanged	€ 165,643 Balance sheet total 2025: € 165,643 ▼ 13% vs 2024 (€ 190,179) Unchanged	▼ 13%

Key figures of HEAT-UP, 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 HEAT-UP?

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

Sep 17, 2026 New annual accounts for financial year 2025: loss of € 111,187. filed late Source: NBB ↗
Nov 13, 2020 New establishment in Ukkel. KBO
Nov 13, 2020 Start of the company according to the CBE. KBO

In short

From € 28,152 profit in 2022 to € 111,187 loss in 2025.

Paid € 43,163 in corporate taxes since 2022.

Best year ever: 2023, with € 63,603 profit.

Original PDFs at the National Bank ↗

A new publication or filing at HEAT-UP? 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

Harold WECKX

HEAT-UP

STELLAR ENERGY

Behind HEAT-UP is Harold WECKX. Harold WECKX is also behind STELLAR ENERGY.

See the full network in the app

Directors

According to the 2025 annual accounts

Harold WECKX

Director

Also active at: STELLAR ENERGY

Establishments

Establishment units

Physical locations of this company

Registered office

Rue de l'Industrie 22a box C04

1400 Nivelles

2.309.589.497

Denneboslaan 2

1180 Ukkel

Active since 13 November 2020

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

Details

Company number

0758.418.452

VAT number

BE 0758.418.452

Registered office

Rue de l'Industrie 22a bus C04, 1400 Nivelles

Names & denominations

HEAT-UP

Enterprise type

Rechtspersoon

Legal form

Private limited company

Legal situation

Normale toestand

Start date

13 November 2020

Peppol

Active · Active since 2 Sept 2026

Contact

+32000000000

Activities · NACE

Installatie van verwarming, klimaatregeling, koeling en ventilatie aangedreven door elektriciteit

Sanitaire werkzaamheden

View on CBE Public ↗ Annual accounts (NBB) ↗

HEAT-UP

Warning lights

Financials

What happened to HEAT-UP?

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

Management

Directors

Establishments

Establishment units

Details

Frequently asked questions