ACTIVE

CILYX

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Financial year 2025 · closed on 31/12/2025
Net result
-2,4 k €
-134.9% YoY
Gross margin
4,8 M €
+1.1% YoY
Equity
1,2 M €
+20.7% YoY
Workforce
59,3 ETP
+0.2% YoY

What does CILYX do?

CILYX is a Public limited company incorporated in 2009. Its main activity is: Engineering activities and related technical consultancy. Its registered office is in Seraing. It employs on average 59,3 ETP workers (FTE).

Legal situation
● Normal situation
BCE/KBO no. / VAT
BE 0811.236.932
Incorporation
20/04/2009
Legal form
Public limited company
Registered office
Rue Louis Plescia 7
4102 Seraing · WallonieSee on map
Contributed capital
550 000,00 €
Latest accounts
31/12/2025
Average workforce
59,3 ETP
Activities (NACE)
71121Engineering activities and related technical consultancy· main71121Engineering activities and related technical consultancy
Joint committees (4)
  • 111
  • 1110
  • 209
  • 2090
Contacts
4 public details availableLog in to view
Signals
Positive EBITDAHealthy social debts
View the BCE/KBO Public Search record →
Health score
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✦ Verdict · Analyst summary
Financials

Trend over 17 financial years

20252024202320222021202020192018201720162015201420132012201120102009
Income statement
Gross margin4,8 M €4,7 M €4,4 M €5,8 M €3,4 M €3,4 M €3,3 M €3,1 M €2,6 M €2,1 M €867,3 k €651 k €656,8 k €519,1 k €418,7 k €120,1 k €37,2 k €
EBITDA164 k €611,8 k €-64 k €1,1 M €786,9 k €803,4 k €502,2 k €533,4 k €314,7 k €225,5 k €259,8 k €205,8 k €185,3 k €105 k €117,1 k €64,5 k €36 k €
Operating result197,5 k €169,5 k €-424,5 k €521,1 k €719,9 k €357,3 k €33,7 k €168,7 k €132,8 k €12,7 k €157,3 k €116,3 k €86,1 k €29,2 k €59,9 k €42,3 k €25,9 k €
Net result-2,4 k €6,7 k €-657,4 k €444,1 k €645,4 k €979,7 k €-31,6 k €127,2 k €94,4 k €3,7 k €137,5 k €101,7 k €64,7 k €31 k €37,8 k €30,3 k €19,8 k €
Balance sheet
Equity1,2 M €952,7 k €945,9 k €1,6 M €1,2 M €1,2 M €1,5 M €1,6 M €1,4 M €450,3 k €443,9 k €336,4 k €234,8 k €171,8 k €140,6 k €111 k €88,8 k €
Total assets6,4 M €5,9 M €6,2 M €8,1 M €5,3 M €7,5 M €6,6 M €6,3 M €6,7 M €2,5 M €2,2 M €1,5 M €1,4 M €997 k €573,3 k €262,5 k €149,8 k €
Cash535,9 k €381,3 k €248,6 k €150,9 k €571 k €689,3 k €663,1 k €652,9 k €878,3 k €398,4 k €347,3 k €65,2 k €79,6 k €121,7 k €174,1 k €45,7 k €48,3 k €
Debts5,2 M €4,9 M €5,2 M €6,4 M €4,1 M €6,3 M €5 M €4,7 M €5,3 M €2,1 M €1,8 M €1,1 M €1,1 M €810,6 k €415,7 k €148,4 k €59,4 k €
Other
Workforce59,3 ETP59,2 ETP64,1 ETP43,2 ETP38,4 ETP40,1 ETP44,9 ETP43,4 ETP39,1 ETP35,2 ETP10,7 ETP7,2 ETP8,3 ETP7,5 ETP5,5 ETP2,5 ETP–
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 · 3 active · 20 ended

Active mandates

KREUIL

Managing director · since 14 février 2023 · until 14 février 2029 · 0563.388.272

Represented by DEFAYS FABIEN

Active
MARELEO

Managing director · since 14 février 2023 · until 14 février 2029 · 0563.656.706

Represented by Grégory REICHLING

Active
SPARAXIS

Director · since 14 février 2023 · until 14 février 2029 · 0452.116.307

Represented by COLSON SABINE

Active

Ended mandates

BELLERIVE & CO MANAGEMENT

Director · since 14 février 2023 · until 31 août 2024 · 0747.899.395

Represented by FELTEN PHILIPPE

Ended
BELLERIVE & CO MANAGEMENT

Director · since 14 février 2023 · until 14 février 2029 · 0747.899.395

Represented by Philippe FELTEN

Ended
SPARAXIS

Director · since 14 février 2023 · until 14 février 2029 · 0452.116.307

Represented by Sabine COLSON

Ended
SPARAXIS

Director · since 14 février 2023 · until 14 février 2029 · 0452.116.307

Represented by Sabine COLSON

Ended
At this address

Other companies at this address

CompanyCBE no.
CILYX GROUP● Active
0739.835.628
CISEO● Active
0676.685.361
UTVA CILYX● Active
0757.862.384
Annual accounts

Full financial information

202520242023202220212020
Type of accountAbridged modelAbridged modelAbridged modelAbridged modelAbridged modelAbridged model
Start of the financial year01/01/202501/01/202401/01/202301/01/202201/01/202101/01/2020
Closing of the financial year31/12/202531/12/202431/12/202331/12/202231/12/202131/12/2020
Length of the financial year12 months12 months12 months12 months12 months12 months
Filing date04/06/202610/06/202524/06/202412/07/202329/08/202222/07/2021
General meeting02/06/202603/06/202504/06/202406/06/202307/06/202201/06/2021
Currency of the financial yearEUREUREUREUREUREUR
NBB quality labelSatisfying controlsSatisfying controlsSatisfying controlsSatisfying controlsSatisfying controlsSatisfying controls
Ratios

Financial ratios

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Filings

Annual accounts filings

18 filings with the NBB

ModelClosingGeneral meetingFiledLanguageDocument
Abridged model31/12/202502/06/202604/06/2026FrenchPDF
Abridged model31/12/202403/06/202510/06/2025FrenchPDF
Abridged model31/12/202304/06/202424/06/2024FrenchPDF
Abridged model31/12/202206/06/202312/07/2023FrenchPDF
Abridged model31/12/202107/06/202229/08/2022FrenchPDF
Abridged model31/12/202001/06/202122/07/2021FrenchPDF
Abridged model31/12/201902/06/202010/07/2020FrenchPDF
Abridged model31/12/201804/06/201916/07/2019FrenchPDF
Abridged model31/12/201719/06/201802/07/2018FrenchPDF
Abridged model31/12/201606/06/201731/07/2017FrenchPDF
Abridged modelCorrection31/12/201507/06/201619/10/2016FrenchPDF
Abridged model31/12/201507/06/201615/07/2016FrenchPDF
Abridged model31/12/201402/06/201503/07/2015FrenchPDF
Abridged model31/12/201303/06/201410/07/2014FrenchPDF
Abridged model31/12/201204/06/201317/06/2013FrenchPDF
Abridged model31/12/201105/06/201220/07/2012FrenchPDF
Abridged model31/12/201007/06/201112/07/2011FrenchPDF
Abridged model31/12/200901/06/201003/06/2010FrenchPDF
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 · 3 active · 20 ended

Active mandates

KREUIL

Managing director · since 14 février 2023 · until 14 février 2029 · 0563.388.272

Represented by DEFAYS FABIEN

Active
MARELEO

Managing director · since 14 février 2023 · until 14 février 2029 · 0563.656.706

Represented by Grégory REICHLING

Active
SPARAXIS

Director · since 14 février 2023 · until 14 février 2029 · 0452.116.307

Represented by COLSON SABINE

Active

Ended mandates

BELLERIVE & CO MANAGEMENT

Director · since 14 février 2023 · until 31 août 2024 · 0747.899.395

Represented by FELTEN PHILIPPE

Ended
BELLERIVE & CO MANAGEMENT

Director · since 14 février 2023 · until 14 février 2029 · 0747.899.395

Represented by Philippe FELTEN

Ended
SPARAXIS

Director · since 14 février 2023 · until 14 février 2029 · 0452.116.307

Represented by Sabine COLSON

Ended
SPARAXIS

Director · since 14 février 2023 · until 14 février 2029 · 0452.116.307

Represented by Sabine COLSON

Ended
Shareholders

Ownership and network

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Belgian Official Gazette

Belgian Official Gazette publications

  • Mandates07/07/2026
    DEMISSIONS, NOMINATIONS
    PDF
  • Capital / shares05/01/2026
    STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, …) - CAPITAL, ACTIONS
    PDF
  • Mandates23/09/2025
    DEMISSIONS, NOMINATIONS
    PDF
  • Mandates01/03/2023
    DENOMINATION - OBJET - DEMISSIONS, NOMINATIONS
    PDF
  • Mandates22/09/2021
    DEMISSIONS, NOMINATIONS
    PDF
  • Mandates14/07/2020
    DEMISSIONS, NOMINATIONS
    PDF
  • Registered office06/02/2018
    SIEGE SOCIAL
    PDF
  • Mandates14/08/2017
    CAPITAL, ACTIONS - DEMISSIONS, NOMINATIONS
    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

Timeline

  1. 2025
    Annual accounts 2025-2,4 k €↓
  2. 2024
    Annual accounts 20246,7 k €↑
  3. 2023
    Annual accounts 2023-657,4 k €↓
  4. 2022
    Annual accounts 2022444,1 k €↓
  5. 2022
    Name changeCILYX
  6. 2021
    Annual accounts 2021645,4 k €↓
  7. 2021
    Name changeCITIUS ENGINEERING
  8. 2020
    Annual accounts 2020979,7 k €↑
  9. 2019
    Annual accounts 2019-31,6 k €↓
  10. 2018
    Annual accounts 2018127,2 k €↑
  11. 2017
    Annual accounts 201794,4 k €↑
  12. 2016
    Annual accounts 20163,7 k €↓
  13. 2015
    Annual accounts 2015137,5 k €↑
  14. 2014
    Annual accounts 2014101,7 k €↑
  15. 2013
    Annual accounts 201364,7 k €↑
  16. 2012
    Annual accounts 201231 k €↓
  17. 2011
    Annual accounts 201137,8 k €↑
  18. 2010
    Annual accounts 201030,3 k €↑
  19. 2009
    Annual accounts 200919,8 k €
  20. 20/04/2009
    IncorporationPublic limited company