ACTIVE

MAINSYS BELGIUM

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Financial year 2025 · Closed on 31/12/2025

Net result659,3 k €-48,2 %over 1 year

Gross margin4,8 M €-17,8 %over 1 year

Equity1,2 M €-13,5 %over 1 year

Workforce37,1 ETP-8,6 %over 1 year

Identity

Source · BCE/KBO

MAINSYS BELGIUM is a Public limited company incorporated in 2007. Its main activity is: Computer consultancy activities. Its registered office is in Ixelles. It employs on average 37,1 ETP workers (FTE).

Legal situation: Normal situation
BCE/KBO no. / VAT: BE 0891.169.781
Incorporation: 31/07/2007
Legal form: Public limited company
Registered office: Place du Champ de Mars 5 box 21
1050 Ixelles · BruxellesSee on map
Contributed capital: 500 000,00 €
Latest accounts: 31/12/2025
Average workforce: 37,1 ETP

Activities (NACE)

62020Computer consultancy activities· main 62200Computer programming, consultancy and related activities 72100Research and experimental development on natural sciences and engineering 62010Computer programming activities 62090Other information technology and computer service activities 62100Computer programming, consultancy and related activities+3

Joint committees (1)

Signals

ProfitableSolid equityLow riskGood liquidityPositive cashflowPositive EBITDAHealthy social debts

Financials

Source · NBB, 18 filings

Trend over 18 financial years

	2025		2024		2023		2022		2021
Income statement
Gross margin	4,8 M €	-17.8%	5,8 M €	+20.3%	4,8 M €	+16.0%	4,2 M €	-3.6%	4,3 M €
EBITDA	883,3 k €	-47.8%	1,7 M €	+57.7%	1,1 M €	+37.4%	780,9 k €	+5.6%	739,5 k €
Operating result	881 k €	-47.9%	1,7 M €	+57.6%	1,1 M €	+37.4%	780,3 k €	+5.5%	739,5 k €
Net result	659,3 k €	-48.2%	1,3 M €	+58.9%	801 k €	+44.1%	555,9 k €	+8.3%	513,4 k €
Balance sheet
Equity	1,2 M €	-13.5%	1,4 M €	+36.0%	1 M €	+7.9%	959,5 k €	+6.2%	903,6 k €
Total assets	3,2 M €	-14.1%	3,7 M €	+30.3%	2,9 M €	+12.4%	2,6 M €	-0.8%	2,6 M €
Cash	1,6 M €	+165%	593,3 k €	-59.0%	1,4 M €	-3.8%	1,5 M €	+28.6%	1,2 M €
Debts	2 M €	-14.4%	2,3 M €	+27.0%	1,8 M €	+15.0%	1,6 M €	-4.5%	1,7 M €
Other
Workforce	37,1 ETP	-8.6%	40,6 ETP	+5.5%	38,5 ETP	+3.2%	37,3 ETP	-3.6%	38,7 ETP

Valuation

Indicative valuation

As an indication, this company is worth

between 10 M€ and 25 M€

See the valuation

Board of directors

Source · NBB, accounts to 31/12/2025

5 active · 20 ended

Active mandates

Bernard CLERBOIS

Director · since 17 avril 2025 · until 17 avril 2031

Active

Jean-Marie THIBAUT

Director · since 17 avril 2025 · until 17 avril 2031

Active

Jean-Valéry DUVIEUSART

Managing director · since 17 avril 2025 · until 17 avril 2031

Active

Pierre LEMAIRE

Director · since 17 avril 2025 · until 17 avril 2031

Active

Stéphane LECHAUDE

Managing director · since 17 avril 2025 · until 17 avril 2031

Active

Ended mandates

Jean-Valéry DUVIEUSART

Managing director · since 24 octobre 2019 · until 17 avril 2025

Ended

Joël BERNAERT

Managing director · since 24 octobre 2019 · until 17 avril 2025

Ended

Stéphane LECHAUDE

Managing director · since 24 octobre 2019 · until 17 avril 2025

Ended

Bernard CLERBOIS

Director · since 29 septembre 2016 · until 17 avril 2025

Ended

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Full financial information

Source · NBB

	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	04/05/2026	28/04/2025	13/05/2024	09/05/2023	05/05/2022	31/05/2021
General meeting	16/04/2026	17/04/2025	18/04/2024	20/04/2023	21/04/2022	15/04/2021
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

Financial ratios

Source · NBB

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Annual accounts filings

Source · NBB, 18 filings

Model	Closing	General meeting	Filed	Language	Document
Abridged model	31/12/2025	16/04/2026	04/05/2026	French	PDF
Abridged model	31/12/2024	17/04/2025	28/04/2025	French	PDF
Abridged model	31/12/2023	18/04/2024	13/05/2024	French	PDF
Abridged model	31/12/2022	20/04/2023	09/05/2023	French	PDF
Abridged model	31/12/2021	21/04/2022	05/05/2022	French	PDF
Abridged model	31/12/2020	15/04/2021	31/05/2021	French	PDF
Abridged model	31/12/2019	16/04/2020	27/05/2020	French	PDF
Abridged model	31/12/2018	14/03/2019	25/03/2019	French	PDF
Abridged model	31/12/2017	19/04/2018	05/05/2018	French	PDF
Abridged model	31/12/2016	20/04/2017	02/05/2017	French	PDF
Abridged model	31/12/2015	21/04/2016	11/05/2016	French	PDF
Abridged model	31/12/2014	16/04/2015	14/05/2015	French	PDF
Abridged model	31/12/2013	17/04/2014	21/06/2014	French	PDF
Abridged model	31/12/2012	18/04/2013	26/05/2013	French	PDF
Abridged model	31/12/2011	19/04/2012	04/06/2012	French	PDF
Abridged model	31/12/2010	21/04/2011	25/06/2011	French	PDF
Abridged model	30/06/2009	15/10/2009	19/11/2009	French	PDF
Abridged model	30/06/2008	16/10/2008	17/11/2008	French	PDF

Indicative valuation

Order of magnitude

As an indication, this company is worth

between 10 M€ and 25 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.

Board of directors

Source · NBB, accounts to 31/12/2025

5 active · 20 ended

Active mandates

Bernard CLERBOIS

Director · since 17 avril 2025 · until 17 avril 2031

Active

Jean-Marie THIBAUT

Director · since 17 avril 2025 · until 17 avril 2031

Active

Jean-Valéry DUVIEUSART

Managing director · since 17 avril 2025 · until 17 avril 2031

Active

Pierre LEMAIRE

Director · since 17 avril 2025 · until 17 avril 2031

Active

Stéphane LECHAUDE

Managing director · since 17 avril 2025 · until 17 avril 2031

Active

Ended mandates

Jean-Valéry DUVIEUSART

Managing director · since 24 octobre 2019 · until 17 avril 2025

Ended

Joël BERNAERT

Managing director · since 24 octobre 2019 · until 17 avril 2025

Ended

Stéphane LECHAUDE

Managing director · since 24 octobre 2019 · until 17 avril 2025

Ended

Bernard CLERBOIS

Director · since 29 septembre 2016 · until 17 avril 2025

Ended

Ownership and network

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Try for 7 days

Belgian Official Gazette publications

Source · Belgian Official Gazette

Mandates14/10/2025
DEMISSIONS, NOMINATIONS
PDF
Mandates02/06/2025
DEMISSIONS, NOMINATIONS
PDF
Mandates24/07/2024
DEMISSIONS, NOMINATIONS
PDF
Mandates01/08/2023
DEMISSIONS, NOMINATIONS
PDF
Mandates05/05/2021
DEMISSIONS, NOMINATIONS
PDF
Mandates31/03/2021
DEMISSIONS, NOMINATIONS
PDF
Mandates22/11/2019
DEMISSIONS, NOMINATIONS - STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, )
PDF
Other29/05/2019
DIVERS
PDF

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

See the Business plan

Timeline

2025
Annual accounts 2025659,3 k €↓
2024
Annual accounts 20241,3 M €↑
2023
Annual accounts 2023801 k €↑
2022
Annual accounts 2022555,9 k €↑
2021
Annual accounts 2021513,4 k €↑
2020
Annual accounts 2020373,5 k €↑
2019
Annual accounts 2019214 k €↑
2018
Annual accounts 2018150,3 k €↓
2017
Annual accounts 2017264,6 k €↑
2016
Annual accounts 201680,4 k €↑
2015
Annual accounts 20159,5 k €↓
2014
Annual accounts 201456,5 k €↓
2013
Annual accounts 201369,7 k €↓
2012
Annual accounts 2012313,9 k €↑
2011
Annual accounts 2011190,1 k €↑
2010
Annual accounts 2010102 k €↓
2009
Annual accounts 2009196,3 k €↑
2008
Annual accounts 200821 k €
31/07/2007
IncorporationPublic limited company

MAINSYS BELGIUM

Overview

Identity

Financials

Valuation

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

Timeline