ACTIVE

SIZE + - SOCIETE INTERPROFESSIONNELLE D'ARCHITECTES

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Financial year 2025 · Closed on 30/09/2025

Net result35,2 k €-59,6 %over 1 year
Gross margin54,2 k €-58,2 %over 1 year
Equity264,2 k €+15,4 %over 1 year
Workforce0,0 ETP

Identity

Source · BCE/KBO

SIZE + - SOCIETE INTERPROFESSIONNELLE D'ARCHITECTES is a Private company with limited liability incorporated in 1992. Its main activity is: Architectural activities. Its registered office is in Ixelles.

Legal situation
Normal situation
BCE/KBO no. / VAT
BE 0446.676.783
Incorporation
25/02/1992
Legal form
Private company with limited liability
Registered office
Avenue Louise 231
1050 Ixelles · BruxellesSee on map
Contributed capital
18 592,01 €
Latest accounts
30/09/2025
Average workforce
0,0 ETP
Joint committees (1)
  • 218
Contacts
4 public details availableLog in to view
Signals
ProfitableSolid equityLow riskGood liquidityPositive cashflowPositive EBITDA

Financials

Source · NBB, 20 filings

Trend over 17 financial years

20252024202320222021
Income statement
Gross margin54,2 k €129,6 k €137,6 k €71,7 k €30,6 k €
EBITDA51,3 k €128,3 k €136,3 k €69,8 k €28,9 k €
Operating result54,1 k €127,7 k €136 k €63,2 k €28,4 k €
Net result35,2 k €87,2 k €92,2 k €42,3 k €17,3 k €
Balance sheet
Equity264,2 k €229 k €141,8 k €49,6 k €7,3 k €
Total assets489,3 k €497,5 k €392 k €181,5 k €114,9 k €
Cash204,1 k €165,2 k €165,3 k €84,2 k €40,6 k €
Debts224,6 k €267,2 k €249,6 k €128,9 k €105,9 k €
Other
Workforce0,0 ETP0,0 ETP0,0 ETP––

Valuation

Indicative valuation

As an indication, this company is worth

between 500 k€ and 1 M€
See the valuation

Board of directors

Source · NBB, accounts to 30/09/2025

2 active · 4 ended

Active mandates

Claude GRANDJEAN

Director

Active
François MARCHAL

Director

Active

Ended mandates

Claude GRANDJEAN

Manager · since 28 juillet 2005

Ended
François MARCHAL

Manager · since 28 juillet 2005

Ended
Claude GRANDJEAN

Manager

Ended
François MARCHAL

Manager

Ended

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Full financial information

Source · NBB
202520242023202220212020
Type of accountAbridged modelAbridged modelAbridged modelAbridged modelAbridged modelAbridged model
Start of the financial year01/10/202401/10/202301/10/202201/10/202101/10/202001/10/2019
Closing of the financial year30/09/202530/09/202430/09/202330/09/202230/09/202130/09/2020
Length of the financial year12 months12 months12 months12 months12 months12 months
Filing date24/04/202628/04/202525/04/202431/05/202302/05/202210/05/2021
General meeting02/02/202603/02/202505/02/202406/02/202307/02/202201/02/2021
Currency of the financial yearEUREUREUREUREUREUR
NBB quality labelSatisfying controlsSatisfying controlsSatisfying controlsSatisfying controlsSatisfying controlsSatisfying controls

Financial ratios

Source · NBB

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Annual accounts filings

Source · NBB, 20 filings
ModelClosingGeneral meetingFiledLanguageDocument
Abridged model30/09/202502/02/202624/04/2026FrenchPDF
Abridged model30/09/202403/02/202528/04/2025FrenchPDF
Abridged model30/09/202305/02/202425/04/2024FrenchPDF
Abridged model30/09/202206/02/202331/05/2023FrenchPDF
Abridged model30/09/202107/02/202202/05/2022FrenchPDF
Abridged model30/09/202001/02/202110/05/2021FrenchPDF
Micro model30/09/201903/02/202029/04/2020FrenchPDF
Abridged model30/09/201804/02/201915/05/2019FrenchPDF
Micro model30/09/201702/05/201814/06/2018FrenchPDF
Abridged model30/09/201622/04/201709/08/2017FrenchPDF
Abridged model30/09/201529/03/201631/03/2016FrenchPDF
Abridged model30/09/201423/03/201529/05/2015FrenchPDF
Abridged model30/09/201303/02/201402/04/2014FrenchPDF
Abridged model30/09/201204/02/201331/05/2013FrenchPDF
Abridged model30/09/201106/02/201216/05/2012FrenchPDF
Abridged model30/09/201007/02/201112/05/2011FrenchPDF
Abridged model30/09/200901/02/201029/04/2010FrenchPDF
Abridged model30/09/200802/02/200919/03/2009FrenchPDF
Abridged model30/09/200704/02/200828/03/2008FrenchPDF
Abridged model30/09/200601/02/200701/03/2007FrenchPDF

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.

Board of directors

Source · NBB, accounts to 30/09/2025

2 active · 4 ended

Active mandates

Claude GRANDJEAN

Director

Active
François MARCHAL

Director

Active

Ended mandates

Claude GRANDJEAN

Manager · since 28 juillet 2005

Ended
François MARCHAL

Manager · since 28 juillet 2005

Ended
Claude GRANDJEAN

Manager

Ended
François MARCHAL

Manager

Ended

Ownership and network

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Try for 7 days

Belgian Official Gazette publications

Source · Belgian Official Gazette
  • Registered office07/09/2026
    Transfert du siège social H
    PDF
  • Registered office30/04/2020
    SIEGE SOCIAL
    PDF
  • Registered office11/10/2018
    SIEGE SOCIAL
    PDF
  • Registered office11/09/2014
    SIEGE SOCIAL
    PDF
  • Registered office27/03/2012
    SIEGE SOCIAL
    PDF
  • Capital / shares07/04/2006
    CAPITAL, ACTIONS - STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, …)
    PDF
  • Mandates05/08/2005
    DEMISSIONS, NOMINATIONS
    PDF

Similar companies

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

See the Business plan

Timeline

  1. 2025
    Annual accounts 202535,2 k €↓
  2. 2024
    Annual accounts 202487,2 k €↓
  3. 2023
    Annual accounts 202392,2 k €↑
  4. 2022
    Annual accounts 202242,3 k €↑
  5. 2021
    Annual accounts 202117,3 k €↓
  6. 2018
    Annual accounts 201837,9 k €↑
  7. 2017
    Annual accounts 2017-20,3 k €↑
  8. 2016
    Annual accounts 2016-59,1 k €↓
  9. 2015
    Annual accounts 2015-1,6 k €↓
  10. 2014
    Annual accounts 20143,7 k €↑
  11. 2013
    Annual accounts 20132,1 k €↓
  12. 2012
    Annual accounts 20124,3 k €↓
  13. 2011
    Annual accounts 201138,1 k €↑
  14. 2010
    Annual accounts 20105,9 k €↑
  15. 2009
    Annual accounts 20092,4 k €↑
  16. 2008
    Annual accounts 2008-54,4 k €↓
  17. 2007
    Annual accounts 2007-4,1 k €
  18. 25/02/1992
    IncorporationPrivate company with limited liability