ACTIVE

HYDROSEB

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Financial year 2025 · closed on 31/12/2025

Net result

13,7 k €

+1403.8% YoY

Gross margin

834,6 k €

+6.6% YoY

Equity

1,1 M €

+1.1% YoY

Workforce

9,5 ETP

-3.1% YoY

What does HYDROSEB do?

HYDROSEB is a Private limited company incorporated in 2008. Its registered office is in Awans. It employs on average 9,5 ETP workers (FTE).

Legal situation

● Normal situation

BCE/KBO no. / VAT

BE 0807.836.091

Incorporation

18/11/2008

Legal form

Private limited company

Registered office

Rue de la Chaudronnerie 22
4340 Awans · WallonieSee on map

Contributed capital

20 000,00 €

Latest accounts

31/12/2025

Average workforce

9,5 ETP

Joint committees (3)

Signals

ProfitableSolid equityLow riskGood liquidityPositive cashflowPositive EBITDA

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		2017		2016		2015		2014		2013		2012		2011		2010		2009
Income statement
Gross margin	834,6 k €	+6.6%	783 k €	+34.6%	581,7 k €	-17.3%	703,6 k €	+13.6%	619,4 k €	+8.7%	569,8 k €	+7.8%	528,4 k €	-17.2%	637,9 k €	-6.0%	678,4 k €	+19.9%	565,9 k €	+55.7%	363,3 k €	+13.6%	319,9 k €	+19.9%	266,8 k €	-40.8%	450,3 k €	-21.0%	570 k €	+38.7%	411 k €	-5.7%	435,7 k €
EBITDA	174,6 k €	+17.3%	148,8 k €	+19.8%	124,2 k €	-52.4%	260,9 k €	+2783%	9 k €	-92.5%	121,4 k €	+2.8%	118,1 k €	-65.3%	340,6 k €	-14.9%	400,2 k €	+47.1%	272,2 k €	+74.4%	156 k €	+27.1%	122,8 k €	+182%	43,5 k €	-81.5%	234,9 k €	-40.3%	393,7 k €	+34.4%	293,1 k €	-29.6%	416,4 k €
Operating result	45,7 k €	+86.8%	24,4 k €	+142%	10,1 k €	-94.2%	174,7 k €	+333%	-75,1 k €	-564%	16,2 k €	+1277%	-1,4 k €	-101%	221,9 k €	-10.1%	246,7 k €	+38.5%	178,2 k €	+107%	86,1 k €	+101%	42,8 k €	+212%	-38,3 k €	-122%	173,6 k €	-47.2%	329 k €	+24.1%	265,1 k €	-17.5%	321,4 k €
Net result	13,7 k €	+1404%	910,8 €	+136%	385,5 €	-99.7%	137,5 k €	+251%	-91,1 k €	-1515%	6,4 k €	-6.0%	6,8 k €	-95.9%	167,3 k €	+5.6%	158,4 k €	+51.7%	104,4 k €	+167%	39,1 k €	-13.4%	45,1 k €	+188%	-51,2 k €	-152%	99,2 k €	-50.8%	201,6 k €	+15.7%	174,3 k €	-19.1%	215,6 k €
Balance sheet
Equity	1,1 M €	+1.1%	1,1 M €	-0.1%	1,1 M €	-0.2%	1,1 M €	+13.8%	975,2 k €	-8.8%	1,1 M €	+0.4%	1,1 M €	+0.3%	1,1 M €	+18.1%	899,1 k €	+24.2%	723,8 k €	+12.7%	641,9 k €	+6.0%	605,7 k €	+13.5%	533,5 k €	-8.8%	584,7 k €	+12.3%	520,5 k €	+45.0%	358,9 k €	+71.2%	209,6 k €
Total assets	2,1 M €	-1.4%	2,1 M €	-10.2%	2,3 M €	+7.3%	2,2 M €	+10.4%	2 M €	+1.1%	1,9 M €	-11.6%	2,2 M €	-1.9%	2,2 M €	+20.7%	1,9 M €	+55.6%	1,2 M €	+15.0%	1 M €	+0.7%	1 M €	+5.0%	980,7 k €	-20.5%	1,2 M €	+12.6%	1,1 M €	+58.7%	690,7 k €	+54.0%	448,6 k €
Cash	45,8 k €	-62.1%	120,8 k €	+491%	20,4 k €	-56.0%	46,5 k €	-58.3%	111,5 k €	+217%	35,1 k €	+194%	11,9 k €	+7.4%	11,1 k €	-24.1%	14,7 k €	-63.2%	39,9 k €	+174%	14,5 k €	-66.1%	42,9 k €	-40.9%	72,6 k €	-70.1%	243 k €	-29.5%	344,8 k €	+24.1%	277,8 k €	+22.3%	227,2 k €
Debts	914,7 k €	-6.7%	980,3 k €	-19.4%	1,2 M €	+15.0%	1,1 M €	+7.3%	985,3 k €	+13.2%	870,1 k €	-23.2%	1,1 M €	-3.1%	1,2 M €	+24.5%	939 k €	+105%	458,7 k €	+40.3%	326,9 k €	-5.5%	345,8 k €	-11.6%	391,2 k €	-39.3%	644 k €	+12.1%	574,2 k €	+74.5%	329,2 k €	+38.1%	238,3 k €
Other
Workforce	9,5 ETP	-3.1%	9,8 ETP	+3.2%	9,5 ETP	+10.5%	8,6 ETP	-25.2%	11,5 ETP	+13.9%	10,1 ETP	+23.2%	8,2 ETP	+13.9%	7,2 ETP	+18.0%	6,1 ETP	-3.2%	6,3 ETP	+37.0%	4,6 ETP	+4.5%	4,4 ETP	+7.3%	4,1 ETP	-21.2%	5,2 ETP	+23.8%	4,2 ETP	0.0%	4,2 ETP	+425%	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 · 1 active · 7 ended

Active mandates

MECASEB

Director · since 21 mars 2017 · 0671.883.366

Represented by Sébastien MONSEE

Active

Ended mandates

MECASEB

Director · since 21 mars 2017 · 0671.883.366

Represented by Sébastien MONSEE

Ended

SEBASTIEN MONSEE

Manager · since 14 novembre 2010

Ended

Sébastien MONSEE

Director · since 14 novembre 2008

Ended

Sébastien MONSEE

Managing director · since 14 novembre 2008

Ended

At this address

Other companies at this address

Company	CBE no.
MECASEB● Active	0671.883.366

Annual accounts

Full financial information

	2025	2024	2023	2022	2021	2020
Type of account	Abridged model	Abridged model	Abridged 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	30/06/2026	16/09/2025	10/09/2024	03/10/2023	30/08/2022	24/08/2021
General meeting	29/06/2026	30/06/2025	24/06/2024	26/06/2023	27/06/2022	28/06/2021
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
Abridged model	31/12/2025	29/06/2026	30/06/2026	French	PDF
Abridged model	31/12/2024	30/06/2025	16/09/2025	French	PDF
Abridged model	31/12/2023	24/06/2024	10/09/2024	French	PDF
Abridged model	31/12/2022	26/06/2023	03/10/2023	French	PDF
Abridged model	31/12/2021	27/06/2022	30/08/2022	French	PDF
Abridged model	31/12/2020	28/06/2021	24/08/2021	French	PDF
Abridged model	31/12/2019	29/06/2020	03/08/2020	French	PDF
Abridged model	31/12/2018	29/07/2019	30/09/2019	French	PDF
Abridged model	31/12/2017	30/01/2018	27/09/2018	French	PDF
Abridged model	31/12/2016	28/07/2017	18/08/2017	French	PDF
Abridged model	31/12/2015	29/07/2016	30/09/2016	French	PDF
Abridged model	31/12/2014	24/08/2015	29/09/2015	French	PDF
Abridged model	31/12/2013	25/08/2014	25/09/2014	French	PDF
Abridged model	31/12/2012	26/08/2013	08/10/2013	French	PDF
Abridged model	31/12/2011	30/09/2012	29/10/2012	French	PDF
Abridged model	31/12/2010	20/12/2011	22/12/2011	French	PDF
Abridged model	31/12/2009	28/06/2010	26/08/2010	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 · 1 active · 7 ended

Active mandates

MECASEB

Director · since 21 mars 2017 · 0671.883.366

Represented by Sébastien MONSEE

Active

Ended mandates

MECASEB

Director · since 21 mars 2017 · 0671.883.366

Represented by Sébastien MONSEE

Ended

SEBASTIEN MONSEE

Manager · since 14 novembre 2010

Ended

Sébastien MONSEE

Director · since 14 novembre 2008

Ended

Sébastien MONSEE

Managing director · since 14 novembre 2008

Ended

Shareholders

Ownership and network

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Belgian Official Gazette

Belgian Official Gazette publications

Mandates30/01/2024
STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, ) - MODIFICATION FORME JURIDIQUE - DIVERS - DEMISSIONS, NOMINATIONS
PDF
Mandates18/04/2017
DEMISSIONS, NOMINATIONS
PDF
Registered office05/12/2013
SIEGE SOCIAL
PDF
Registered office20/10/2009
SIEGE SOCIAL
PDF
Other26/11/2008
RUBRIQUE CONSTITUTION (NOUVELLE PERSONNE MORALE, OUVERTURE SUCCURSALE, ETC...)
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 202513,7 k €↑
2024
Annual accounts 2024910,8 €↑
2023
Annual accounts 2023385,5 €↓
2022
Annual accounts 2022137,5 k €↑
2021
Annual accounts 2021-91,1 k €↓
2020
Annual accounts 20206,4 k €↓
2019
Annual accounts 20196,8 k €↓
2018
Annual accounts 2018167,3 k €↑
2017
Annual accounts 2017158,4 k €↑
2016
Annual accounts 2016104,4 k €↑
2015
Annual accounts 201539,1 k €↓
2014
Annual accounts 201445,1 k €↑
2013
Annual accounts 2013-51,2 k €↓
2012
Annual accounts 201299,2 k €↓
2011
Annual accounts 2011201,6 k €↑
2010
Annual accounts 2010174,3 k €↓
2009
Annual accounts 2009215,6 k €
18/11/2008
IncorporationPrivate 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

HYDROSEB

Overview

What does HYDROSEB 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