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Guerin Sylvain Software Engineering

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Financial year 2025 · closed on 31/12/2025

Net result

36,9 k €

-12.7% YoY

Gross margin

75,9 k €

-8.1% YoY

Equity

364,8 k €

-5.5% YoY

What does Guerin Sylvain Software Engineering do?

Guerin Sylvain Software Engineering is a Private company with limited liability incorporated in 1999. Its main activity is: Market research and public opinion polling. Its registered office is in Watermael-Boitsfort.

Legal situation

● Normal situation

BCE/KBO no. / VAT

BE 0467.065.886

Incorporation

14/10/1999

Legal form

Private company with limited liability

Registered office

Drève du Duc 68
1170 Watermael-Boitsfort · BruxellesSee on map

Contributed capital

6 200,00 €

Latest accounts

31/12/2025

Activities (NACE)

73200Market research and public opinion polling· main 73200Market research and public opinion polling 74131Specialised design activities

Signals

ProfitableSolid equityLow riskGood liquidityPositive cashflowPositive EBITDA

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Health score

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✦ Verdict · Analyst summary

Financials

Trend over 20 financial years

	2025		2024		2023		2022		2021		2020		2019		2018		2017		2016		2015		2014		2013		2012		2011		2010		2009		2008		2007		2006
Income statement
Gross margin	75,9 k €	-8.1%	82,5 k €	+67.1%	49,4 k €	+19.0%	41,5 k €	-17.3%	50,2 k €	-0.4%	50,4 k €	+22.6%	41,1 k €	+1.2%	40,6 k €	-4.1%	42,4 k €	-31.5%	61,8 k €	-8.0%	67,2 k €	-13.5%	77,7 k €	-7.2%	83,7 k €	-2.2%	85,6 k €	+47.8%	57,9 k €	+51.1%	38,3 k €	-27.4%	52,8 k €	-16.7%	63,3 k €	+7.5%	58,9 k €	-20.6%	74,2 k €
EBITDA	73,7 k €	-8.0%	80 k €	+76.4%	45,4 k €	+14.6%	39,6 k €	-18.1%	48,3 k €	-0.5%	48,6 k €	+23.6%	39,3 k €	+1.2%	38,8 k €	-3.6%	40,3 k €	-33.0%	60,1 k €	-8.3%	65,5 k €	-13.8%	76 k €	-7.0%	81,7 k €	-2.5%	83,8 k €	+49.2%	56,2 k €	+54.4%	36,4 k €	-28.3%	50,7 k €	-17.4%	61,4 k €	+7.8%	57 k €	-20.4%	71,6 k €
Operating result	51,2 k €	-11.9%	58,1 k €	+154%	22,8 k €	+9.1%	20,9 k €	-19.0%	25,9 k €	+2.7%	25,2 k €	+67.3%	15 k €	+13.2%	13,3 k €	-15.1%	15,7 k €	-61.7%	40,8 k €	-14.6%	47,8 k €	-11.5%	54 k €	-10.9%	60,7 k €	-6.2%	64,7 k €	+71.1%	37,8 k €	+116%	17,5 k €	-50.5%	35,4 k €	-25.3%	47,4 k €	+78.2%	26,6 k €	-35.2%	41 k €
Net result	36,9 k €	-12.7%	42,2 k €	+158%	16,3 k €	+1.3%	16,1 k €	-3.8%	16,8 k €	-4.4%	17,5 k €	+78.8%	9,8 k €	+15.6%	8,5 k €	-3.2%	8,8 k €	-71.2%	30,4 k €	-27.2%	41,8 k €	+219%	-35,2 k €	-203%	34,1 k €	-5.9%	36,2 k €	+75.4%	20,7 k €	+482%	3,6 k €	-79.9%	17,7 k €	-28.3%	24,7 k €	+193%	8,4 k €	-51.4%	17,4 k €
Balance sheet
Equity	364,8 k €	-5.5%	385,8 k €	+9.2%	353,4 k €	+2.3%	345,5 k €	+2.2%	338,2 k €	-3.9%	351,8 k €	+5.2%	334,3 k €	+3.0%	324,5 k €	+2.7%	316 k €	+2.8%	307,2 k €	+11.0%	276,8 k €	+17.8%	235 k €	-22.0%	301,2 k €	+1.4%	297,1 k €	+2.1%	290,9 k €	+7.3%	271 k €	+1.0%	268,3 k €	+6.7%	251,4 k €	+10.5%	227,6 k €	+3.5%	219,9 k €
Total assets	403,6 k €	-1.4%	409,4 k €	+11.5%	367 k €	+2.1%	359,3 k €	-10.6%	402,1 k €	+6.4%	378 k €	+5.2%	359,3 k €	+2.4%	351 k €	+0.9%	348 k €	-4.3%	363,5 k €	+1.3%	358,7 k €	+0.4%	357,3 k €	-19.7%	445 k €	-6.1%	474,1 k €	-3.3%	490,3 k €	+0.4%	488,3 k €	-4.9%	513,5 k €	+0.2%	512,6 k €	+0.4%	510,5 k €	-1.4%	517,7 k €
Cash	201,5 k €	+22.0%	165,2 k €	+73.2%	95,4 k €	-0.4%	95,8 k €	+0.9%	94,9 k €	-21.0%	120,1 k €	+182%	42,6 k €	+1.2%	42,1 k €	+42.2%	29,6 k €	-9.7%	32,8 k €	+457%	5,9 k €	-59.7%	14,6 k €	+67.8%	8,7 k €	-59.2%	21,3 k €	-20.2%	26,7 k €	+37.3%	19,5 k €	+89.5%	10,3 k €	-30.9%	14,9 k €	-55.1%	33,1 k €	+37.5%	24,1 k €
Debts	38,8 k €	+65.2%	23,5 k €	+72.8%	13,6 k €	+6.8%	12,7 k €	-79.8%	63 k €	+169%	23,4 k €	+4.7%	22,4 k €	-8.5%	24,5 k €	-21.8%	31,3 k €	-43.8%	55,7 k €	-31.6%	81,4 k €	-33.2%	121,9 k €	-14.9%	143,3 k €	-18.6%	175,9 k €	-11.7%	199,2 k €	-7.9%	216,2 k €	-11.8%	245,1 k €	-5.9%	260,5 k €	-7.9%	282,8 k €	-5.0%	297,7 k €

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 · 4 ended

Active mandates

Sylvain GUERIN

Director · since 23 octobre 1999

Active

Ended mandates

Sylvain GUERIN

Director · since 11 juillet 2023

Ended

Sylvain GUERIN

Director · since 01 octobre 1999

Ended

Sylvain GUERIN

Manager · since 01 octobre 1999

Ended

Sylvain Guérin

Director

Ended

Annual accounts

Full financial information

	2025	2024	2023	2022	2021	2020
Type of account	Micro model	Micro model	Micro model	Micro model	Micro model	Micro 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	03/03/2026	24/06/2025	29/08/2024	13/06/2023	02/08/2022	13/07/2021
General meeting	24/02/2026	12/05/2025	13/05/2024	08/05/2023	09/05/2022	10/05/2021
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

20 filings with the NBB

Model	Closing	General meeting	Filed	Language	Document
Micro model	31/12/2025	24/02/2026	03/03/2026	French	PDF
Micro model	31/12/2024	12/05/2025	24/06/2025	French	PDF
Micro model	31/12/2023	13/05/2024	29/08/2024	French	PDF
Micro model	31/12/2022	08/05/2023	13/06/2023	French	PDF
Micro model	31/12/2021	09/05/2022	02/08/2022	French	PDF
Micro model	31/12/2020	10/05/2021	13/07/2021	French	PDF
Micro model	31/12/2019	11/05/2020	12/08/2020	French	PDF
Micro model	31/12/2018	13/05/2019	20/08/2019	French	PDF
Micro model	31/12/2017	14/05/2018	18/06/2018	French	PDF
Micro model	31/12/2016	08/05/2017	15/06/2017	French	PDF
Abridged model	31/12/2015	09/05/2016	08/06/2016	French	PDF
Abridged model	31/12/2014	11/05/2015	17/06/2015	French	PDF
Abridged model	31/12/2013	12/05/2014	11/06/2014	French	PDF
Abridged model	31/12/2012	13/05/2013	14/08/2013	French	PDF
Abridged model	31/12/2011	09/05/2012	13/07/2012	French	PDF
Abridged model	31/12/2010	09/05/2011	30/08/2011	French	PDF
Abridged model	31/12/2009	10/05/2010	30/08/2010	French	PDF
Abridged model	31/12/2008	11/05/2009	16/06/2009	French	PDF
Abridged model	31/12/2007	13/05/2008	12/06/2008	French	PDF
Abridged model	31/12/2006	14/05/2007	24/05/2007	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 · 4 ended

Active mandates

Sylvain GUERIN

Director · since 23 octobre 1999

Active

Ended mandates

Sylvain GUERIN

Director · since 11 juillet 2023

Ended

Sylvain GUERIN

Director · since 01 octobre 1999

Ended

Sylvain GUERIN

Manager · since 01 octobre 1999

Ended

Sylvain Guérin

Director

Ended

Shareholders

Ownership and network

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Try for 7 days

Belgian Official Gazette

Belgian Official Gazette publications

Mandates18/09/2023
OBJET - DEMISSIONS, NOMINATIONS - STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, ) - MODIFICATION FORME JURIDIQUE
PDF
Mandates25/01/2010
DEMISSIONS, NOMINATIONS
PDF
Registered office11/01/2010
SIEGE SOCIAL - DIVERS
PDF
Registered office20/06/2003
SIEGE SOCIAL
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 202536,9 k €↓
2024
Annual accounts 202442,2 k €↑
2023
Annual accounts 202316,3 k €↑
2022
Annual accounts 202216,1 k €↓
2021
Annual accounts 202116,8 k €↓
2020
Annual accounts 202017,5 k €↑
2019
Annual accounts 20199,8 k €↑
2018
Annual accounts 20188,5 k €↓
2017
Annual accounts 20178,8 k €↓
2016
Annual accounts 201630,4 k €↓
2015
Annual accounts 201541,8 k €↑
2014
Annual accounts 2014-35,2 k €↓
2013
Annual accounts 201334,1 k €↓
2012
Annual accounts 201236,2 k €↑
2011
Annual accounts 201120,7 k €↑
2010
Annual accounts 20103,6 k €↓
2009
Annual accounts 200917,7 k €↓
2008
Annual accounts 200824,7 k €↑
2007
Annual accounts 20078,4 k €↓
2006
Annual accounts 200617,4 k €
14/10/1999
IncorporationPrivate company with limited liability

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

Guerin Sylvain Software Engineering

Overview

What does Guerin Sylvain Software Engineering do?

Trend over 20 financial years

Indicative valuation

Board of directors

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