ACTIVE

BUREAU D'ETUDES ET D'EXPERTISES DONNAY de CASTEAU

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Financial year 2025 · Closed on 30/06/2025

Net result8,4 k €-57,9 %over 1 year
Gross margin52,1 k €-18,1 %over 1 year
Equity693,5 k €-15,9 %over 1 year

Identity

Source · BCE/KBO

BUREAU D'ETUDES ET D'EXPERTISES DONNAY de CASTEAU is a Private limited company incorporated in 1992. Its registered office is in Auderghem.

Legal situation
Normal situation
BCE/KBO no. / VAT
BE 0448.792.274
Incorporation
26/11/1992
Legal form
Private limited company
Registered office
Avenue Colonel Daumerie 18
1160 Auderghem · BruxellesSee on map
Contributed capital
18 592,01 €
Latest accounts
30/06/2025
Signals
ProfitableSolid equityLow riskPositive cashflowPositive EBITDA

Financials

Source · NBB, 19 filings

Trend over 16 financial years

20252024202320222019
Income statement
Gross margin52,1 k €63,7 k €50,1 k €60,9 k €116,5 k €
EBITDA44,3 k €56,1 k €45,8 k €54,2 k €110,5 k €
Operating result14,7 k €25,9 k €13,4 k €25,1 k €77,5 k €
Net result8,4 k €19,9 k €316,1 k €6,3 k €44,7 k €
Balance sheet
Equity693,5 k €824,1 k €804,2 k €488,2 k €437,8 k €
Total assets872,6 k €862,6 k €832,1 k €882,4 k €954,5 k €
Cash4 k €21,7 k €21,6 k €668,2 €265,8 €
Debts161,4 k €18,8 k €6,1 k €370,4 k €423,1 k €
Other
Workforce–0,0 ETP0,0 ETP––

Valuation

Indicative valuation

As an indication, this company is worth

between 100 k€ and 250 k€
See the valuation

Board of directors

Source · NBB, accounts to 30/06/2025

1 active · 2 ended

Active mandates

Patrick Donnay de Casteau

Director · since 22 décembre 1992

Active

Ended mandates

Patrick Donnay de Casteau

Manager · since 22 décembre 1992

Ended
Patrick DONNAY de CASTEAU

Director

Ended

Full financial information

Source · NBB
202520242023202220212020
Type of accountAbridged modelAbridged modelAbridged modelAbridged modelAbridged modelMicro model
Start of the financial year01/07/202401/07/202301/07/202201/07/202101/07/202001/07/2019
Closing of the financial year30/06/202530/06/202430/06/202330/06/202230/06/202130/06/2020
Length of the financial year12 months12 months12 months12 months12 months12 months
Filing date19/12/202527/01/202530/01/202431/01/202327/01/202227/01/2021
General meeting25/11/202526/11/202428/11/202322/11/202223/11/202124/11/2020
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, 19 filings
ModelClosingGeneral meetingFiledLanguageDocument
Abridged model30/06/202525/11/202519/12/2025FrenchPDF
Abridged model30/06/202426/11/202427/01/2025FrenchPDF
Abridged model30/06/202328/11/202330/01/2024FrenchPDF
Abridged model30/06/202222/11/202231/01/2023FrenchPDF
Abridged model30/06/202123/11/202127/01/2022FrenchPDF
Micro model30/06/202024/11/202027/01/2021FrenchPDF
Abridged model30/06/201926/11/201910/01/2020FrenchPDF
Abridged model30/06/201827/11/201815/01/2019FrenchPDF
Abridged model30/06/201728/11/201715/12/2017FrenchPDF
Abridged model30/06/201622/11/201606/01/2017FrenchPDF
Abridged model30/06/201425/11/201414/01/2015FrenchPDF
Abridged model30/06/201326/11/201331/01/2014FrenchPDF
Abridged model30/06/201227/11/201205/02/2013FrenchPDF
Abridged model30/06/201127/11/201113/02/2012FrenchPDF
Abridged model30/06/201023/11/201031/01/2011FrenchPDF
Abridged model30/06/200924/11/200903/02/2010FrenchPDF
Abridged model30/06/200825/11/200829/01/2009FrenchPDF
Abridged model30/06/200727/11/200730/01/2008FrenchPDF
Abridged model30/06/200628/11/200630/01/2007FrenchPDF

Indicative valuation

Order of magnitude

As an indication, this company is worth

between 100 k€ and 250 k€

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 30/06/2025

1 active · 2 ended

Active mandates

Patrick Donnay de Casteau

Director · since 22 décembre 1992

Active

Ended mandates

Patrick Donnay de Casteau

Manager · since 22 décembre 1992

Ended
Patrick DONNAY de CASTEAU

Director

Ended

Ownership and network

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Belgian Official Gazette publications

Source · Belgian Official Gazette
  • Restructuring26/06/2023
    CAPITAL, ACTIONS - DEMISSIONS, NOMINATIONS - STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, …) - MODIFICATION FORME JURIDIQUE - RUBRIQUE RESTRUCTURATION (FUSION, SCISSION, TRANSFERT PATRIMOINE, ETC...)
    PDF
  • Restructuring24/03/2023
    RUBRIQUE RESTRUCTURATION (FUSION, SCISSION, TRANSFERT PATRIMOINE, ETC...)
    PDF
  • Restructuring29/01/2018
    CAPITAL, ACTIONS - RUBRIQUE RESTRUCTURATION (FUSION, SCISSION, TRANSFERT PATRIMOINE, ETC...)
    PDF
  • Restructuring30/11/2017
    RUBRIQUE RESTRUCTURATION (FUSION, SCISSION, TRANSFERT PATRIMOINE, ETC...)
    PDF
  • Mandates13/08/2003
    DEMISSIONS, NOMINATIONS - STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, …) - SIEGE SOCIAL - MODIFICATION FORME JURIDIQUE - CAPITAL, ACTIONS
    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 20258,4 k €↓
  2. 2024
    Annual accounts 202419,9 k €↓
  3. 2023
    Annual accounts 2023316,1 k €↑
  4. 2022
    Annual accounts 20226,3 k €↓
  5. 2019
    Annual accounts 201944,7 k €↓
  6. 2018
    Annual accounts 2018135,5 k €↑
  7. 2017
    Annual accounts 20173,3 k €↓
  8. 2016
    Annual accounts 20164,9 k €↑
  9. 2014
    Annual accounts 20142,8 k €↓
  10. 2013
    Annual accounts 201329,5 k €↑
  11. 2012
    Annual accounts 201223,8 k €↑
  12. 2011
    Annual accounts 20115,7 k €↑
  13. 2010
    Annual accounts 20101 k €↓
  14. 2009
    Annual accounts 200929,2 k €↑
  15. 2008
    Annual accounts 20083,5 k €↑
  16. 2007
    Annual accounts 2007-23,5 k €
  17. 26/11/1992
    IncorporationPrivate limited company