| | | | | | | | | | | | | | |
| Company | | Jurisdiction | | Ownership interest |
| Companies Consolidated Line-by-line | | | | |
| In.co. S.p.A. | | Italy | | 100 |
| Lanificio Ermenegildo Zegna e Figli S.p.A. | | Italy | | 100 |
| Ezi S.p.A. | | Italy | | 100 |
| EZ Service S.r.l. | | Italy | | 100 |
| Bonotto S.p.A. | | Italy | | 60 |
| Cappellificio Cervo S.r.l. | | Italy | | 51 |
| Thom Browne Services Italy S.r.l. | | Italy | | 90 |
| Thom Browne Retail Italy S.r.l. | | Italy | | 90 |
| Gruppo Dondi S.p.A. | | Italy | | 65 |
| Tessitura Ubertino S.r.l. | | Italy | | 60 |
| Ezesa Argentina S.A. | | Argentina | | 100 |
| Ermenegildo Zegna Australia PTY LTD | | Australia | | 100 |
| Ermenegildo Zegna H.m.b.H. | | Austria | | 100 |
| Ezesa Brasil Participacoes LTDA | | Brazil | | 100 |
| Ermenegildo Zegna Canada Inc. | | Canada | | 100 |
| Thom Browne Canada | | Canada | | 90 |
| EZ CA Holding Corp. | | Canada | | 100 |
| Investindustrial Acquisition Corp. | | Cayman Islands | | 100 |
| Thom Browne (China) Co., Ltd.* | | China | | 90 |
| Ermenegildo Zegna (China) Co., LTD | | China | | 100 |
| Zegna (China) Enterprise Management Co., Ltd. | | China | | 100 |
| Ermenegildo Zegna Czech S.r.o. | | Czech Republic | | 100 |
| EZ US Holding Inc. | | Delaware, United States | | 100 |
| Thom Browne Inc. | | Delaware, United States | | 90 |
| Zegna Denmark ApS | | Denmark | | 100 |
| Fantasia (London) Limited | | England and Wales | | 100 |
| Thom Browne UK Limited | | England and Wales | | 90 |
| Société de Textiles Astrum France S.à.r.l. | | France | | 100 |
| Thom Browne France Services | | France | | 90 |
| Thom Browne Eyewear France SAS | | France | | 90 |
| Ermenegildo Zegna GmbH | | Germany | | 100 |
| E.Zegna Attica Single Member Societé Anonyme | | Greece | | 100 |
| Ermenegildo Zegna Hong Kong LTD | | Hong Kong | | 100 |
| Ermenegildo Zegna (Macau) LTD | | Hong Kong | | 100 |
| E.Z. Trading (Hong Kong) LTD | | Hong Kong | | 100 |
| Thom Browne (Macau) Limited | | Hong Kong | | 90 |
| Thom Browne Hong Kong Limited | | Hong Kong | | 90 |
| Zegna South Asia Private LTD | | India | | 51 |
| Thom Browne Japan Inc. | | Japan | | 90 |
| Zegna Japan Co., LTD | | Japan | | 100 |
| Thom Browne Korea Ltd. | | Korea | | 90 |