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Group parent company Nuclys0861.290.318

Nuclys

ActiveKontich, parent founded in 2003, and
525
companies
in 16 countries
Staff in Belgium 4,637 FTE 374 companies, 2025
Consolidated turnover€1.32bnaccounts 2024
Follow this groupParent's dossier
Nuclys
Financial year 2025
Follow this groupParent's dossier

Insights on Nuclys

In 2007 the group counted 58 companies in 4 countries; in 2025 it counts 525 in 16 countries.

is the heaviest branch: Nuclys holds 95.22% of it, according to the 2025 list.

The sum of staff in Belgium went from 737 full-time equivalents in 2007 to 4,637 in 2025.

paid out €14.0m over financial year 2021, the highest amount of any company of the group since 2007. follows with €12.0m in 2024.

Consolidated turnover went from €174.5m in 2008 to €1.32bn in 2024. Here the accounts themselves give the group figure: not a sum but the consolidated account.

The lists name 667 companies since 2007. Of those, 34 went into a merger and 27 were dissolved.

Sources: the lists of holdings in the annual accounts of the group's companies (110 in 2025), their own annual accounts, the establishment units in the KBO and the ECB rates.
Equity
FTE
Standalone accounts

Events in the group

These are the publications about all Belgian group companies, such as bankruptcies, director changes and capital changes. Deeds are listed since January 2026, judgments from earlier years too.

111
  1. 1 director appointed, 1 resignation
    Director changeAppointed: (director (not named in the articles)) · Resigned: (director (not named in the articles)) · Permanent representatives: and
  2. Registered office moved from Kontich to Dendermonde
    Registered office moveNew registered office: Robert Ramlotstraat 87, 9200 Dendermonde · Previous registered office: Veldkant 33 A, 2550 Kontich
  3. 3 directors reappointed
    Director changeReappointed: , and · Permanent representative:
  4. 5 directors reappointed
    Director changeReappointed: , , and 2 others
  5. Change of permanent representative
    Director changePermanent representatives: and
  6. Capital increase and decrease
    Capital changeCapital from €62,000 to €412,000 · Capital from €412,000 to €62,000
  7. Director changes at 5 companies
    • Resigned at 2, ,
    • Appointed at 2, , , ,
    • Reappointed
    Show the 5 publications
    1. 1 director appointed, 2 directors resigning
      Director changeAppointed: · Resigned: and (managing director)
    2. 3 directors appointed, 1 director reappointed
      Director changeAppointed: , and · Reappointed: · Permanent representatives: , and
    3. 1 director appointed, 1 director resigning
      Director changeAppointed: · Resigned:
    4. 1 director appointed, 1 director resigning
      Director changeAppointed: · Resigned: (managing director)
    5. resigns as director and managing director
      Director change
  8. Company renamed from -eVri to
    Name changeCapital from €62,000 to €412,000 · Capital from €412,000 to €62,000
  9. Capital increase and decrease
    Capital changeCapital from €62,000 to €2,867,658.89 · Capital from €2,867,658.89 to €62,000
  10. 3 directors reappointed
    Director changeReappointed: , and · Capital from €62,000 to €2,867,658.89
Show the older events (97)
  1. Director changes at 3 companies
    • Resigned at 3, at 3, at 2,
    • Appointed at 3
    Show the 3 publications
    1. 1 director appointed, 3 directors resigning
      Director changeAppointed: (sole director) · Resigned: , and · Discharge granted: , , and 2 others
    2. 1 director appointed, 3 directors resigning
      Director changeAppointed: (sole director) · Resigned: , and · Discharge granted: , and
    3. 1 director appointed, 3 directors resigning
      Director changeAppointed: (sole director) · Resigned: , and · Discharge granted: , , and 2 others
  2. Capital increase and decrease
    Capital changeCapital from €62,000 to €1,098,000 · Capital from €1,098,000 to €62,000
  3. 3 directors appointed, 2 directors reappointed
    Director changeAppointed: , (managing director) and (managing director) · Reappointed: and
  4. Incorporation of
    IncorporationFounder: · Founding capital of €62,000, 6,200 shares
  5. 1 director appointed, 1 statutory auditor appointed
    Director changeAt the founding · Appointed: (sole director) and (statutory auditor) · Permanent representatives: and (representative)
  6. Capital changes at 2 companies
    Show the 2 publications
    1. Merger: absorbed by
      Capital changeCapital from €450,000 to €79,988.81 · Appointed: and
    2. Merger: takes over Akkade
      Capital changeCapital from €62,000 to €124,000 · Appointed: and
  7. Director changes at 2 companies
    • Resigned at 2, at 2, ,
    • Appointed at 2, at 2
    Show the 2 publications
    1. 2 directors appointed, 2 statutory auditors resigning, 3 directors resigning
      Director changeAppointed: and · Resigned: , , and 2 others
    2. 2 directors appointed, 1 statutory auditor resigning, 2 directors resigning
      Director changeAppointed: and · Resigned: , and
  8. Registered office moved from Kontich to Mechelen
    Registered office moveNew registered office: Vaartdijk 90, 2800 Mechelen · Previous registered office: Veldkant 31, 2550 Kontich
  9. Dissolution of the company
    DissolutionDissolved without liquidation on 30-06-2026 · Books and records kept by the absorbing company
  10. Dissolution with immediate closure of the liquidation
    DissolutionDissolved and wound up in a single deed on 08-07-2026 · Books and records kept in Kontich (7 years)
  11. 4 directors resigning, 1 statutory auditor resigning
    Director changeResigned: (managing director), , and 2 others · Dissolved and wound up in a single deed on 08-07-2026
  12. Change in the board of directors
    Director changeNew registered office: Veldkant 33A, 2550 Kontich · Previous registered office: Veldkant 31, 2550 Kontich
  13. Company renamed from Ops.dev to
    Name changeNew registered office: Veldkant 33A, 2550 Kontich · Previous registered office: Veldkant 31, 2550 Kontich
  14. Registered office moved within Kontich
    Registered office moveNew registered office: Veldkant 33A, 2550 Kontich · Previous registered office: Veldkant 31, 2550 Kontich
  15. 2 directors appointed, 1 director reappointed
    Director changeAppointed: and · Reappointed: · Permanent representative:
  16. Merger: takes over i-Cros
    Capital changeCapital from €62,000 to €250,000
  17. Dissolution with immediate closure of the liquidation
    DissolutionDissolved and wound up in a single deed on 29-05-2026 · Books and records kept in Kontich (7 years)
  18. 4 directors resigning, 1 statutory auditor resigning
    Director changeResigned: , , and 2 others · Dissolved and wound up in a single deed on 29-05-2026
  19. Company renamed from Integration.team to
    Name changePurpose change
  20. Director changes at 8 companies
    • Resigned at 2
    • Appointed at 8, at 6, at 2
    • Reappointed at 5, at 2
    Show the 8 publications
    1. 2 directors appointed, 1 director resigning
      Director changeAppointed: and · Resigned: (managing director)
    2. 2 directors appointed, 1 director reappointed
      Director changeAppointed: and · Reappointed:
    3. 2 directors appointed, 1 director reappointed
      Director changeAppointed: and · Reappointed:
    4. 2 directors appointed, 1 director reappointed
      Director changeAppointed: and · Reappointed:
    5. 2 directors appointed, 1 director reappointed
      Director changeAppointed: and · Reappointed:
    6. 2 directors appointed, 1 director reappointed
      Director changeAppointed: and · Reappointed:
    7. 2 directors appointed, 1 director reappointed
      Director changeAppointed: and · Reappointed:
    8. 2 directors appointed, 1 director resigning, 1 director reappointed
      Director changeAppointed: and · Resigned: (managing director) · Reappointed:
  21. Dissolution of the company
    DissolutionDissolved without liquidation on 30-04-2026 · Books and records kept by the absorbing company
  22. Merger: absorbed by
    Capital changeDissolved without liquidation on 30-04-2026 · Books and records kept by the absorbing company
  23. 1 director appointed, 1 director resigning
    Director changeAppointed: · Resigned: (managing director)
  24. Dissolution with immediate closure of the liquidation
    DissolutionDissolved and wound up in a single deed on 31-03-2026 · Books and records kept in Kontich (7 years)
  25. Director changes at 2 companies
    • Resigned , , ,
    • Appointed ,
    Show the 2 publications
    1. 2 directors appointed
      Director changeAppointed: and
    2. 3 directors resigning, 1 statutory auditor resigning
      Director changeResigned: (managing director), , (managing director) and 1 other · Dissolved and wound up in a single deed on 31-03-2026
  26. Company renamed to toegevoegd als bijkomende handelsnaam
    Name changeNew name: toegevoegd als bijkomende handelsnaam
  27. Director changes at 3 companies
    • Resigned at 3, at 2, at 2
    • Appointed at 3, at 3
    Show the 3 publications
    1. 2 directors appointed, 3 directors resigning
      Director changeAppointed: (managing director) and (managing director) · Resigned: , and
    2. 2 directors appointed, 3 directors resigning
      Director changeAppointed: (managing director) and (managing director) · Resigned: , and
    3. 2 directors appointed, 1 director resigning
      Director changeAppointed: (managing director) and (managing director) · Resigned: (managing director)
  28. Registered office moves at 3 companies
    Show the 3 publications
    1. Registered office moved from Kontich to Niel
      Registered office moveNew registered office: Samenwerkingsstraat 50 B0001, 2845 Niel · Previous registered office: Veldkant 33A, 2550 Kontich
    2. Registered office moved from Kontich to Niel
      Registered office moveNew registered office: Samenwerkingsstraat 50 B0001, 2845 Niel · Previous registered office: Veldkant 33A, 2550 Kontich
    3. Registered office moved from Kontich to Niel
      Registered office moveNew registered office: Samenwerkingsstraat 50 80001, 2845 Niel · Previous registered office: Veldkant 33A, 2550 Kontich
  29. Capital changes at 10 companies
    and 5 more
    Show the 10 publications
    1. Capital increase and decrease
      Capital changeCapital from €62,000 to €804,000 · Capital from €804,000 to €62,000
    2. Capital increase and decrease
      Capital changeCapital from €62,000 to €345,000 · Capital from €345,000 to €62,000
    3. Capital increase and decrease
      Capital changeCapital from €62,000 to €712,000 · Capital from €712,000 to €62,000
    4. Capital increase and decrease
      Capital changeCapital from €62,000 to €449,000 · Capital from €449,000 to €62,000
    5. Capital increase and decrease
      Capital changeCapital from €62,000 to €2,182,000 · Capital from €2,182,000 to €62,000
    6. Capital increase and decrease
      Capital changeCapital from €63,000 to €824,000 · Capital from €824,000 to €62,000
    7. Capital increase and decrease
      Capital changeCapital from €62,000 to €12,062,000 · Capital from €12,062,000 to €1,812,000
    8. Capital increase and decrease
      Capital changeCapital from €62,000 to €656,000 · Capital from €656,000 to €62,000
    9. Capital increase and decrease
      Capital changeCapital from €62,000 to €897,000 · Capital from €897,000 to €62,000
    10. Capital increase and decrease
      Capital changeCapital from €62,000 to €1,272,000 · Capital from €1,272,000 to €62,000
  30. Director changes at 7 companies
    • Resigned at 2,
    • Appointed at 2, ,
    Show the 7 publications
    1. reappointed as sole director
      Director changePermanent representative:
    2. 3 directors appointed, 1 director resigning
      Director changeAppointed: (managing director), (managing director) and · Resigned: (sole director) · Permanent representatives: and
    3. reappointed as sole director
      Director changePermanent representative:
    4. reappointed as sole director
      Director changeCapital from €62,000 to €2,182,000
    5. reappointed as sole director
      Director changeCapital from €62,000 to €12,062,000
    6. 1 director appointed, 2 directors resigning
      Director changeAppointed: (sole director) · Resigned: and
    7. reappointed as sole director
      Director changeCapital from €62,000 to €897,000
  31. Name changes at 2 companies
    Show the 2 publications
    1. Company renamed from Vitri Interactive to
      Name changePurpose change
    2. Company renamed from Trouble to
      Name changeCapital from €62,000 to €345,000 · Capital from €345,000 to €62,000
  32. Director changes at 2 companies
    • Resigned , ,
    • Appointed
    • Reappointed , ,
    Show the 2 publications
    1. 1 director appointed, 3 directors resigning, 3 directors reappointed
      Director changeAppointed: · Resigned: , (managing director) and (managing director) · Reappointed: , and
    2. resigns as director
      Director changeDischarge granted:
  33. Registered office moved to Kontich
    Registered office moveNew registered office: Veldkant 33 bus A te 2550 Kontich · Resigned:
  34. 1 director appointed, 1 director resigning, 6 directors reappointed
    Director changeAppointed: (managing director) · Resigned: (director (not named in the articles) and managing director) · Reappointed: (director (not named in the articles)), (director (not named in the articles)), (director (not named in the articles)) and 3 others
  35. 2 directors reappointed
    Director changeReappointed: and · Permanent representative:
  36. Company renamed from House of Innovation to
    Name changeReappointed: and · Permanent representative:
  37. Director changes at 6 companies
    • Resigned , ,
    • Reappointed
    Show the 6 publications
    1. resigns as director
      Director change
    2. resigns as director
      Director change
    3. resigns as director
      Director change
    4. resigns as director
      Director change
    5. 3 directors resigning, 1 director reappointed
      Director changeResigned: , (managing director) and (managing director) · Reappointed: (sole director)
    6. resigns as director
      Director change
  38. Registered office moves at 2 companies
    Show the 2 publications
    1. Registered office moved from Mechelen to Kontich
      Registered office moveNew registered office: Veldkant 33 bus A te 2550 Kontich · Previous registered office: Stationsstraat 55, 2800 Mechelen
    2. Registered office moved
      Registered office moveNew registered office: Veldkant33busA, 2550Kontich · Previous registered office: Stationsstraat55, 2800Mechelen
  39. Registered office moves at 3 companies
    Show the 3 publications
    1. Registered office moved from Mechelen to Kontich
      Registered office moveNew registered office: Veldkant 33 bus A te 2550 Kontich · Previous registered office: Stationsstraat 55, 2800 Mechelen
    2. Registered office moved from Mechelen to Kontich
      Registered office moveNew registered office: Veldkant 33 bus A te 2550 Kontich · Previous registered office: Stationsstraat 55, 2800 Mechelen
    3. Registered office moved from Mechelen to Kontich
      Registered office moveNew registered office: Veldkant 33 bus A te 2550 Kontich · Previous registered office: Stationsstraat 55, 2800 Mechelen
  40. Director changes at 2 companies
    Show the 2 publications
    1. resigns as director
      Director changeNew registered office: Veldkant 33 bus A te 2550 Kontich
    2. resigns as director
      Director changeNew registered office: Veldkant 33 bus A te 2550 Kontich
  41. Company renamed from NapSys to
    Name change
  42. Dissolutions and liquidations at 4 companies
    Show the 4 publications
    1. Dissolution with immediate closure of the liquidation
      DissolutionDissolved and wound up in a single deed on 01-01-2026 · Books and records kept in Kontich (7 years)
    2. Closure of the liquidation
      DissolutionLiquidation closed on 01-01-2026 · Books and records kept by
    3. Dissolution with immediate closure of the liquidation
      DissolutionDissolved and wound up in a single deed on 01-01-2026 · Books and records kept in Kontich (7 years)
    4. Dissolution with immediate closure of the liquidation
      DissolutionDissolved and wound up in a single deed on 31-12-2025 · Books and records kept in Kontich (7 years)
  43. Director changes at 4 companies
    • Resigned at 3, at 2, , ,
    Show the 4 publications
    1. resigns as director
      Director change
    2. 3 directors resigning, 1 statutory auditor resigning
      Director changeResigned: (managing director), , (managing director) and 1 other · Dissolved and wound up in a single deed on 01-01-2026
    3. 1 director resigning, 1 statutory auditor resigning
      Director changeResigned: and · Dissolved and wound up in a single deed on 01-01-2026
    4. 1 director resigning, 1 statutory auditor resigning
      Director changeResigned: (managing director) and · Dissolved and wound up in a single deed on 31-12-2025
  44. Company renamed from ClosedLoop to
    Name change
  45. Capital increase and decrease
    Capital changeCapital from €62,000 to €297,948.33 · Capital from €297,948.33 to €62,000
  46. reappointed as director
    Director changeCapital from €62,000 to €297,948.33
  47. Company renamed from ONNN by Day to
    Name changeCapital from €62,000 to €297,948.33 · Capital from €297,948.33 to €62,000
  48. KBO administration: administrative change
    Strike-off
  49. KBO administration: ex-officio strike-off of the registered address
    Strike-off

Contracts and Peppol

Awards won
258
by 36 companies, from 91 buyers
Peppol Directory
428 of 447
Belgian companies listed

Per company

  • 132 awardslatest 23-10-2026
  • 22 awardslatest 01-06-2026
  • 20 awardslatest 27-08-2026
  • 19 awardslatest 10-07-2026
  • 17 awardslatest 05-03-2026
  • 16 awardslatest 27-07-2026
  • 8 awardslatest 22-06-2026
  • 4 awardslatest 15-12-2025
  • 4 awardslatest 28-11-2025
  • 3 awardslatest 03-01-2022
Show the 26 others
  • 2 awardslatest 11-05-2026
  • 2 awardslatest 25-03-2022
  • 2 awardslatest 03-01-2022
  • 2 awardslatest 08-04-2025
  • 2 awardslatest 25-04-2024
  • 2 awardslatest 24-01-2022
  • 2 awardslatest 03-01-2022
  • 2 awardslatest 25-03-2022
  • 2 awardslatest 10-12-2024
  • 2 awardslatest 26-03-2026
  • 1 awardlatest 10-04-2025
  • 1 awardlatest 03-01-2022
  • 1 awardlatest 21-01-2021
  • 1 awardlatest 23-02-2024
  • 1 awardlatest 13-12-2024
  • 1 awardlatest 08-01-2025
  • 1 awardlatest 13-11-2024
  • 1 awardlatest 11-05-2026
  • 1 awardlatest 10-05-2019
  • 1 awardlatest 03-01-2022
  • 1 awardlatest 03-01-2022
  • 1 awardlatest 08-01-2024
  • 1 awardlatest 16-07-2024
  • 1 awardlatest 30-10-2024
  • 1 awardlatest 03-01-2022
  • 1 awardlatest 10-04-2025

Latest awards

Most awards from: Vlaamse Dienst voor Arbeidsbemiddeling en Beroepsopleiding (17), INFRABEL (11), Société digitale des Eaux de Wallonie (11), Vrije Universiteit Brussel (11).

  • De aankoop, gebruik, bijhorende onderhoud en support van Tibco licenties
    awarded 23-10-2026buyer: Infrabel saSoftware and information systems€2.7mTED 734726-2026
  • Renouvellement licence Dynatrace Saas
    awarded 21-10-2026buyer: SmalsIT services€29,923TED 726798-2026
  • Raamovereenkomsten voor digitale diensten
    awarded 16-10-2026buyer: Vlaamse OverheidIT servicesTED 726799-2026
  • Raamovereenkomst met één deelnemer voor de configuratie, implementatie, ter beschikking stellen (licentie en hosting), onderhoud, technische support van een Learning Management Systeem (LMS) via Saas-model voor personeel van de AP Hogeschool
    awarded 13-10-2026buyer: Artesis Plantijn Hogeschool AntwerpenSoftware and information systems€85,193TED 710701-2026
  • Licences IT « as a service »
    awarded 01-10-2026buyer: SPF JusticeIT servicesTED 730492-2026
Show 15 older awards
  • Raamovereenkomst voor het leveren van ICT HW-SW
    awarded 27-08-2026buyer: IMEC VZWOffice and computing machineryTED 606545-2026
  • Asset inventory en Vulnerability tool
    awarded 27-07-2026buyer: Aquafin NVIT services€202,557TED 530975-2026
  • Open call for tenders for external service provision in time & means in the field of digital solution lifecycle management (DIGIT-TM III)
    awarded 10-07-2026buyer: European Commission, DG DIGIT - Digital ServicesIT servicesTED 545219-2026
  • Open call for tenders for external service provision in time & means in the field of digital solution lifecycle management (DIGIT-TM III)
    awarded 10-07-2026buyer: European Commission, DG DIGIT - Digital ServicesIT servicesTED 545219-2026
  • Open call for tenders for external service provision in time & means in the field of digital solution lifecycle management (DIGIT-TM III)
    awarded 10-07-2026buyer: European Commission, DG DIGIT - Digital ServicesIT servicesTED 545219-2026
  • Emarket 876_BUNDLE 004_SAP HR FICO
    awarded 22-06-2026buyer: Infrabel nvIT services€16.9mTED 638048-2026
  • Bundel 003 van ICT-profielen JAVA
    awarded 03-06-2026buyer: Infrabel nvIT services€44.9mTED 394752-2026
  • Renouvellement et achat de licences IntelliJ IDEA Ultimate ou d’une solution logicielle équivalente
    awarded 03-06-2026buyer: SPF FinancesSoftware and information systems€2.3mTED 438433-2026
  • Cahier spécial des charges portant sur l’implémentation, l’hébergement, la maintenance et le support à l’exploitation d'une solution intégrée de gestion (ERP) « Cloud » au sein de l’aéroport de Charleroi Bruxelles-Sud
    awarded 01-06-2026buyer: Brussels South Charleroi Airport SAIT services€3.1mTED 450913-2026
  • e-Market 894 - Senior System Administrator MQ
    awarded 19-05-2026buyer: Infrabel saIT services€884,173TED 543935-2026
  • Accord-cadre relatif à l’assistance à la maitrise d’ouvrage dans le cadre de différents projets d’entretien et d’optimisation des installations informatiques du Parlement de Wallonie
    awarded 11-05-2026buyer: Parlement WallonIT services€776,000TED 325032-2026
  • Data Catalog Tool
    awarded 11-05-2026buyer: Elia Transmission BelgiumSoftware and information systems€5.0mTED 327574-2026
  • e-Market 895 - Senior System Administrator MQ
    awarded 05-05-2026buyer: Infrabel nvIT services€826,573TED 546441-2026
  • Raamovereenkomst IT security voor het provinciebestuur Vlaams-Brabant
    awarded 28-04-2026buyer: Provincie Vlaams-BrabantIT services€1.2mTED 360766-2026
  • Raamovereenkomst IT security voor het provinciebestuur Vlaams-Brabant
    awarded 28-04-2026buyer: Provincie Vlaams-BrabantIT services€1.8mTED 360766-2026

Source: TED, Publications Office of the European Union, contracts above the European thresholds since October 2016; Peppol Directory. Each value is that of one award, as the buyer published it.

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