ACTIVE

HYDRO-THERM

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Financial year 2025 · closed on 31/12/2025

Net result

-374,6 k €

-1107.8% YoY

Gross margin

-2,3 k €

-23.8% YoY

Equity

521,7 k €

-41.8% YoY

What does HYDRO-THERM do?

HYDRO-THERM is a Public limited company incorporated in 2007. Its main activity is: Plumbing, heat and air-conditioning installation. Its registered office is in Uccle.

Legal situation

● Normal situation

BCE/KBO no. / VAT

BE 0888.777.841

Incorporation

16/04/2007

Legal form

Public limited company

Registered office

Avenue de la Sapinière 2
1180 Uccle · BruxellesSee on map

Contributed capital

100 000,00 €

Latest accounts

31/12/2025

Activities (NACE)

43222Plumbing, heat and air-conditioning installation· main 43222Plumbing, heat and air-conditioning installation 43221Plumbing, heat and air-conditioning installation 43221Plumbing, heat and air-conditioning installation 68310Real estate agencies 68311Real estate agencies

Signals

Solid equityLow riskGood liquidity

View the BCE/KBO Public Search record →

Health score

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✦ Verdict · Analyst summary

Financials

Trend over 17 financial years

	2025		2024		2023		2022		2021		2020		2019		2018		2015		2014		2013		2012		2011		2010		2009		2008		2007
Income statement
Gross margin	-2,3 k €	-23.8%	-1,8 k €	+2.9%	-1,9 k €	-38.1%	-1,4 k €	-107%	20,2 k €	+125%	9 k €	-65.1%	25,7 k €	+1151%	2,1 k €	-97.7%	90,7 k €	-13.3%	104,5 k €	+675%	13,5 k €	-72.6%	49,2 k €	-71.7%	174 k €	+97.1%	88,3 k €	-90.2%	904,6 k €	+134%	386,3 k €	+475%	-103,1 k €
EBITDA	-3,3 k €	-78.8%	-1,8 k €	+2.9%	-1,9 k €	-13.2%	-1,7 k €	-109%	18,5 k €	+120%	8,4 k €	-66.7%	25,2 k €	+3957%	622,2 €	-99.3%	89,9 k €	-12.6%	102,9 k €	+986%	9,5 k €	-79.3%	45,8 k €	-72.9%	169,2 k €	+237%	50,2 k €	-94.1%	855,4 k €	+128%	374,5 k €	+440%	-110 k €
Operating result	-3,3 k €	-78.8%	-1,8 k €	+2.9%	-1,9 k €	-13.2%	-1,7 k €	-109%	18,5 k €	+1479%	-1,3 k €	-110%	13,6 k €	+223%	-11 k €	-112%	89,9 k €	-12.6%	102,9 k €	+1022%	9,2 k €	+106%	-141,9 k €	-192%	154,8 k €	+386%	31,8 k €	-96.2%	839,2 k €	+124%	374,5 k €	+440%	-110 k €
Net result	-374,6 k €	-1108%	37,2 k €	+17.5%	31,6 k €	+45.8%	21,7 k €	-55.6%	48,9 k €	+15.7%	42,2 k €	+26.3%	33,4 k €	+49.0%	22,4 k €	-79.0%	106,8 k €	+125%	-433,4 k €	-3158%	14,2 k €	+110%	-148,8 k €	-212%	132,9 k €	+417%	25,7 k €	-96.8%	810,5 k €	+209%	261,9 k €	+224%	-211,3 k €
Balance sheet
Equity	521,7 k €	-41.8%	896,3 k €	+4.3%	859,1 k €	+3.8%	827,5 k €	+2.7%	805,8 k €	+6.5%	756,9 k €	+5.9%	714,7 k €	+4.9%	681,3 k €	+12.0%	608,5 k €	+21.3%	501,7 k €	-46.3%	935,1 k €	+1.5%	920,9 k €	-13.9%	1,1 M €	+14.2%	936,8 k €	+2.8%	911,1 k €	+805%	100,6 k €	+190%	-111,3 k €
Total assets	523,4 k €	-41.8%	899,4 k €	+4.5%	860,8 k €	+3.4%	832,5 k €	+1.9%	817 k €	+4.7%	780,2 k €	+6.2%	734,5 k €	+3.8%	707,9 k €	+12.4%	630 k €	+0.8%	625,2 k €	-47.5%	1,2 M €	-2.8%	1,2 M €	-27.0%	1,7 M €	-9.5%	1,9 M €	-5.8%	2 M €	+80.8%	1,1 M €	-61.5%	2,8 M €
Cash	455,8 €	+79.1%	254,5 €	+135%	108,2 €		–		–		9,6 k €	+65.1%	5,8 k €		–		5,2 k €	-93.6%	81,2 k €	+432%	15,3 k €	-61.4%	39,6 k €	-85.8%	279,6 k €	+356516%	78,4 €	-100.0%	161,6 k €		–		–
Debts	1,8 k €	-42.6%	3,1 k €	+77.1%	1,7 k €	-65.2%	5 k €	-55.7%	11,3 k €	-51.7%	23,3 k €	+17.7%	19,8 k €	-25.6%	26,7 k €	+24.0%	21,5 k €	-82.6%	123,5 k €	-51.6%	255,3 k €	-15.9%	303,5 k €	-50.1%	608 k €	-33.6%	915,8 k €	-13.5%	1,1 M €	+7.1%	988 k €	-66.2%	2,9 M €
Other
Workforce	–		–		–		–		–		–		–		–		–		–		–		–		0,0 ETP	-100%	0,4 ETP	-50.0%	0,8 ETP		–		–

Estimate

Indicative valuation

As an indication, this company is worth

between 500 k€ and 1 M€

See the valuation

Governance

Board of directors

Seen on filing of 31/12/2025 · 2 active · 16 ended

Active mandates

Daniel WECKX

Director

Active

Harold WECKX

Director

Active

Ended mandates

Géraldine WECKX

Director · since 13 décembre 2023 · until 21 juin 2030

Ended

Harold WECKX

Director · since 13 décembre 2023 · until 21 juin 2020

Ended

BUILDING TRANSFORMATION SALES

Managing director · since 01 juillet 2014 · until 21 juin 2020 · 0427.736.841

Ended

PRIME INVEST

Managing director · since 21 juin 2013 · until 21 juin 2019 · 0473.528.858

Represented by Frédéric Crickx

Ended

At this address

Other companies at this address

Company	CBE no.
BUILDING TRANSFORMATION SALES● Active	0427.736.841
ETERNAL STONES INTERNATIONAL● Active	0663.554.234
ODEMAR● Active	0446.361.039

Annual accounts

Full financial information

	2025	2024	2023	2022	2021	2020
Type of account	Micro model	Micro model	Micro model	Abridged model	Abridged model	Abridged model
Start of the financial year	01/01/2025	01/01/2024	01/01/2023	01/01/2022	01/01/2021	01/01/2020
Closing of the financial year	31/12/2025	31/12/2024	31/12/2023	31/12/2022	31/12/2021	31/12/2020
Length of the financial year	12 months	12 months	12 months	12 months	12 months	12 months
Filing date	05/08/2026	28/08/2025	11/06/2024	18/07/2023	18/08/2022	22/11/2021
General meeting	30/06/2026	25/03/2025	29/03/2024	26/05/2023	18/08/2022	20/09/2021
Currency of the financial year	EUR	EUR	EUR	EUR	EUR	EUR
NBB quality label	Satisfying controls	Satisfying controls	Satisfying controls	Satisfying controls	Satisfying controls	Satisfying controls

Ratios

Financial ratios

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Filings

Annual accounts filings

17 filings with the NBB

Model	Closing	General meeting	Filed	Language	Document
Micro model	31/12/2025	30/06/2026	05/08/2026	French	PDF
Micro model	31/12/2024	25/03/2025	28/08/2025	French	PDF
Micro model	31/12/2023	29/03/2024	11/06/2024	French	PDF
Abridged model	31/12/2022	26/05/2023	18/07/2023	French	PDF
Abridged model	31/12/2021	18/08/2022	18/08/2022	French	PDF
Abridged model	31/12/2020	20/09/2021	22/11/2021	French	PDF
Abridged model	31/12/2019	22/09/2020	29/10/2020	French	PDF
Abridged model	31/12/2018	20/12/2019	23/12/2019	French	PDF
Abridged model	31/12/2015	27/03/2016	31/08/2016	French	PDF
Abridged model	31/12/2014	28/03/2015	14/08/2015	French	PDF
Abridged model	31/12/2013	18/06/2014	26/08/2014	French	PDF
Abridged model	31/12/2012	29/08/2013	29/08/2013	French	PDF
Abridged model	31/12/2011	20/06/2012	13/08/2012	French	PDF
Abridged model	31/12/2010	15/06/2011	13/07/2011	French	PDF
Abridged model	31/12/2009	16/06/2010	25/06/2010	French	PDF
Abridged model	31/12/2008	17/06/2009	25/06/2009	French	PDF
Abridged model	31/12/2007	18/06/2008	03/07/2008	French	PDF

Estimate

Indicative valuation

Order of magnitude

As an indication, this company is worth

between 500 k€ and 1 M€

The detail comes with the Business plan: low and high bounds, the valuation bridge for each financial year, transaction multiples by sector and size, group valuation and exports.

Discover the Business plan

Disclaimer

Indicative estimate based on public sector multiples and the filed annual accounts. It is neither a certified valuation nor financial or investment advice.

Governance

Board of directors

Seen on filing of 31/12/2025 · 2 active · 16 ended

Active mandates

Daniel WECKX

Director

Active

Harold WECKX

Director

Active

Ended mandates

Géraldine WECKX

Director · since 13 décembre 2023 · until 21 juin 2030

Ended

Harold WECKX

Director · since 13 décembre 2023 · until 21 juin 2020

Ended

BUILDING TRANSFORMATION SALES

Managing director · since 01 juillet 2014 · until 21 juin 2020 · 0427.736.841

Ended

PRIME INVEST

Managing director · since 21 juin 2013 · until 21 juin 2019 · 0473.528.858

Represented by Frédéric Crickx

Ended

Shareholders

Ownership and network

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Try for 7 days

Belgian Official Gazette

Belgian Official Gazette publications

Mandates08/01/2024
STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, ) - DEMISSIONS, NOMINATIONS
PDF
Mandates06/10/2016
DENOMINATION - OBJET - DEMISSIONS, NOMINATIONS
PDF
Registered office20/03/2015
SIEGE SOCIAL
PDF
Mandates05/09/2014
DEMISSIONS, NOMINATIONS
PDF
Mandates08/08/2013
DEMISSIONS, NOMINATIONS
PDF
Mandates24/11/2011
DEMISSIONS, NOMINATIONS
PDF
Mandates27/08/2010
DEMISSIONS, NOMINATIONS
PDF
Other01/12/2009
OBJET
PDF

Source: Belgian Official Gazette

Competition

Similar companies

A company's peers, by sector and size, are included in the Business plan.

See the Business plan

2025
Annual accounts 2025-374,6 k €↓
2024
Annual accounts 202437,2 k €↑
2023
Annual accounts 202331,6 k €↑
2022
Annual accounts 202221,7 k €↓
2021
Annual accounts 202148,9 k €↑
2020
Annual accounts 202042,2 k €↑
2019
Annual accounts 201933,4 k €↑
2018
Annual accounts 201822,4 k €↓
2015
Annual accounts 2015106,8 k €↑
2014
Annual accounts 2014-433,4 k €↓
2013
Annual accounts 201314,2 k €↑
2012
Annual accounts 2012-148,8 k €↓
2011
Annual accounts 2011132,9 k €↑
2010
Annual accounts 201025,7 k €↓
2009
Annual accounts 2009810,5 k €↑
2008
Annual accounts 2008261,9 k €↑
2007
Annual accounts 2007-211,3 k €
16/04/2007
IncorporationPublic limited company

10/15	1 240 000	1 180 000	1 050 000
70	8 630 000	8 120 000	7 940 000
9904	412 000	388 000	301 000
17/49	2 970 000	3 140 000	3 380 000
9087	24,3	23,1	21,8

HYDRO-THERM

Overview

What does HYDRO-THERM do?

Trend over 17 financial years

Indicative valuation

Board of directors

Other companies at this address

Financials

Full financial information

Financial ratios

Annual accounts filings

Valuation

Indicative valuation

Directors & structure

Board of directors

Ownership and network

Publications

Belgian Official Gazette publications

Similar companies

Similar companies

Timeline