ACTIVE

SIENA

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Financial year 2025 · Closed on 30/09/2025

Net result12,4 k €+138,7 %over 1 year
Gross margin153,4 k €+187,2 %over 1 year
Equity503,2 k €+2,5 %over 1 year
Workforce0,0 ETP

Identity

Source · BCE/KBO

SIENA is a Private limited company incorporated in 2006. Its main activity is: Management consultancy activities. Its registered office is in Koksijde.

Legal situation
Normal situation
BCE/KBO no. / VAT
BE 0880.958.750
Incorporation
10/04/2006
Legal form
Private limited company
Registered office
Willem Elsschotlaan(Kok) 1 box 105
8670 Koksijde · FlandreSee on map
Contributed capital
18 600,00 €
Latest accounts
30/09/2025
Average workforce
0,0 ETP
Signals
ProfitableSolid equityPositive cashflowPositive EBITDA

Financials

Source · NBB, 21 filings

Trend over 19 financial years

20252024202320222021
Income statement
Gross margin153,4 k €53,4 k €44 k €47,8 k €53,3 k €
EBITDA126,5 k €46,5 k €38,3 k €43,2 k €44,5 k €
Operating result90,7 k €-2 k €4,7 k €20,8 k €22,5 k €
Net result12,4 k €-32,1 k €50,8 k €1,8 k €9,6 k €
Balance sheet
Equity503,2 k €490,8 k €522,9 k €472,1 k €470,3 k €
Total assets811,9 k €1,4 M €1,4 M €1,3 M €777,5 k €
Cash4,1 k €2,3 k €6,9 k €6,8 k €8,7 k €
Debts300,5 k €817,2 k €828,2 k €755,2 k €259,3 k €
Other
Workforce0,0 ETP0,0 ETP0,0 ETP––

Valuation

Indicative valuation

As an indication, this company is worth

between 250 k€ and 500 k€
See the valuation

Board of directors

Source · NBB, accounts to 30/09/2025

2 active

Active mandates

DirectorMandates in this companyPeriodOther mandatescurrentendedstruck offbankruptcies
Nathalie Hillaert
Directorsince 18/04/2007Manager18/04/2007 → 2018 accountsended
Werner Nies
Directorsince 10/04/2006Manager10/04/2006 → 2018 accountsended

Other companies at this address

Willem Elsschotlaan(Kok) 1 8670 Koksijde
CompanyCBE no.
PACHIM● Active
0454.084.912

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 date31/03/202615/04/202511/04/202408/05/202321/03/202228/04/2021
General meeting20/03/202621/03/202515/03/202417/03/202318/03/202219/03/2021
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, 21 filings
ModelClosingGeneral meetingFiledLanguageDocument
Abridged model30/09/202520/03/202631/03/2026DutchPDF
Abridged model30/09/202421/03/202515/04/2025DutchPDF
Abridged model30/09/202315/03/202411/04/2024DutchPDF
Abridged modelCorrection30/09/202217/03/202308/05/2023DutchPDF
Abridged model30/09/202217/03/202320/03/2023DutchPDF
Abridged model30/09/202118/03/202221/03/2022DutchPDF
Abridged model30/09/202019/03/202128/04/2021DutchPDF
Micro model30/09/201920/03/202030/04/2020DutchPDF
Micro model30/09/201815/03/201918/03/2019DutchPDF
Micro model30/09/201716/03/201810/04/2018DutchPDF
Abridged model30/09/201617/03/201729/03/2017DutchPDF
Abridged model30/09/201518/03/201631/03/2016DutchPDF
Abridged model30/09/201420/03/201531/03/2015DutchPDF
Abridged model30/09/201321/03/201431/03/2014DutchPDF
Abridged modelCorrection30/09/201215/03/201311/06/2013DutchPDF
Abridged model30/09/201215/03/201319/04/2013DutchPDF
Abridged model30/09/201116/03/201205/04/2012DutchPDF
Abridged model30/09/201018/03/201128/04/2011DutchPDF
Abridged model30/09/200919/03/201024/03/2010DutchPDF
Abridged model30/09/200820/03/200923/03/2009DutchPDF
Abridged model30/09/200721/03/200827/03/2008DutchPDF

Indicative valuation

Order of magnitude

As an indication, this company is worth

between 250 k€ and 500 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 30/09/2025

2 active

Active mandates

DirectorMandates in this companyPeriodOther mandatescurrentendedstruck offbankruptcies
Nathalie Hillaert
Directorsince 18/04/2007Manager18/04/2007 → 2018 accountsended
Werner Nies
Directorsince 10/04/2006Manager10/04/2006 → 2018 accountsended

Ownership and network

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Belgian Official Gazette publications

Source · Belgian Official Gazette
  • Registered office24/09/2025
    MAATSCHAPPELIJKE ZETEL
    PDF
  • Mandates21/10/2021
    STATUTEN (VERTALING, COÖRDINATIE, OVERIGE WIJZIGINGEN, …) - WIJZIGING RECHTSVORM - ONTSLAGEN - BENOEMINGEN
    PDF
  • Registered office05/08/2020
    MAATSCHAPPELIJKE ZETEL - WIJZIGING RECHTSVORM
    PDF
  • Mandates31/05/2007
    benoeming - zetelwijziging - statutenwijziging
    PDF
  • Other08/05/2006
    RUBRIEK OPRICHTING (NIEUWE RECHTSPERSOON, OPENING BIJKANTOOR, ENZ...)
    PDF

Similar companies

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

See the Business plan

Timeline

Source · CBE, NBB annual accounts
Year
Identity
Incorporation
Name
Registered office
Annual accounts
Filings19 filings
Mandates
Nathalie Hillaert
Werner Nies
200620072008200920102011201220132014201520162017201820192020202120222023202420252026
SIENA
Willem Elsschotlaan(Kok) 1 bte 105, 8670 KoksijdeBegoniapark 22 bte 201, 9840 Nazareth-De Pinte
DirectorManager
DirectorManager
CurrentPlanned, not yet servedEndedAccounts filedToday

Registered offices

Source · NBB annual accounts, CBE
Registered addressPeriodSource
Willem Elsschotlaan(Kok) 1 bte 105, 8670 KoksijdeCurrent
accounts 2025
Accounts 2025 · 2026-00068374
Begoniapark 22 bte 201, 9840 Nazareth-De Pinte
accounts 2022 → 2024
Accounts 2024 · 2025-00070144

Company names

Source · NBB annual accounts, CBE
NamePeriodSource
SIENACurrent
accounts 2022 → 2025
Accounts 2025 · 2026-00068374

Events

  1. 2025
    Annual accounts 202512,4 k €↑
  2. 2024
    Annual accounts 2024-32,1 k €↓
  3. 2023
    Annual accounts 202350,8 k €↑
  4. 2022
    Annual accounts 20221,8 k €↓
  5. 2021
    Annual accounts 20219,6 k €↓
  6. 2020
    Annual accounts 2020206,2 k €↑
  7. 2019
    Annual accounts 2019-2,5 k €↓
  8. 2018
    Annual accounts 201845,3 k €↑
  9. 2017
    Annual accounts 201720,4 k €↓
  10. 2016
    Annual accounts 201625,5 k €↑
  11. 2015
    Annual accounts 201520,8 k €↓
  12. 2014
    Annual accounts 201426,9 k €↓
  13. 2013
    Annual accounts 201336,4 k €↑
  14. 2012
    Annual accounts 201227,2 k €↑
  15. 2011
    Annual accounts 201118,1 k €↑
  16. 2010
    Annual accounts 201014,1 k €↑
  17. 2009
    Annual accounts 20093 k €↓
  18. 2008
    Annual accounts 200816,5 k €↑
  19. 2007
    Annual accounts 2007-15,7 k €
  20. 10/04/2006
    IncorporationPrivate limited company