v3.26.1
Related party transactions - Schedule of Balances with Related Parties (Details) - EUR (€)
€ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Disclosure of transactions between related parties [line items]    
Non-current assets € 1,890,133 € 1,644,495
Total current assets 1,198,742 1,190,213
Non-current liabilities 1,161,540 985,235
Current liabilities 816,428 750,392
Zegna Group    
Disclosure of transactions between related parties [line items]    
Non-current assets 1,890,133 1,644,495
Total current assets 1,198,742 1,190,213
Non-current liabilities 1,161,540 985,235
Current liabilities 816,428 750,392
Total for all related parties    
Disclosure of transactions between related parties [line items]    
Non-current assets 74,950 72,498
Total current assets 15,571 11,108
Non-current liabilities 63,163 61,350
Current liabilities 17,429 20,387
Associates    
Disclosure of transactions between related parties [line items]    
Non-current assets 0 0
Total current assets 34 91
Non-current liabilities 0 0
Current liabilities 2,217 617
Associates | Filati Biagioli Modesto S.p.A.    
Disclosure of transactions between related parties [line items]    
Non-current assets 0 0
Total current assets 34 91
Non-current liabilities 0 0
Current liabilities 2,217 617
Companies controlled by Monterubello or its shareholders, the Company’s directors or Senior Management Team | EZ Real Estate S.r.l    
Disclosure of transactions between related parties [line items]    
Non-current assets 31,503 34,723
Total current assets 3 619
Non-current liabilities 25,420 28,577
Current liabilities 7,035 7,036
Companies controlled by Monterubello or its shareholders, the Company’s directors or Senior Management Team | Alan Real Estate S.A.    
Disclosure of transactions between related parties [line items]    
Non-current assets 33,641 35,830
Total current assets 0 0
Non-current liabilities 28,492 32,106
Current liabilities 5,628 5,410
Companies controlled by Monterubello or its shareholders, the Company’s directors or Senior Management Team | Schneider Group    
Disclosure of transactions between related parties [line items]    
Non-current assets 0 0
Total current assets 0 3
Non-current liabilities 0 0
Current liabilities 0 2,508
Companies controlled by Monterubello or its shareholders, the Company’s directors or Senior Management Team | Agnona S.r.l.    
Disclosure of transactions between related parties [line items]    
Non-current assets 0 0
Total current assets 57 96
Non-current liabilities 0 0
Current liabilities 4 132
Companies controlled by Monterubello or its shareholders, the Company’s directors or Senior Management Team | Other companies controlled by Monterubello or its shareholders, the Company's directors or Senior Management Team    
Disclosure of transactions between related parties [line items]    
Non-current assets 307 329
Total current assets 104 114
Non-current liabilities 0 0
Current liabilities 1,578 1,441
UBS Group AG    
Disclosure of transactions between related parties [line items]    
Non-current assets 9,499 1,616
Total current assets 15,373 10,185
Non-current liabilities 9,251 667
Current liabilities 888 2,489
Other    
Disclosure of transactions between related parties [line items]    
Non-current assets 0 0
Total current assets 0 0
Non-current liabilities 0 0
Current liabilities € 79 € 754