EX-8.1 3 mtls-20251231xex8d1.htm EXHIBIT 8.1

EXHIBIT 8.1

SUBSIDIARIES OF MATERIALISE NV

​ | ​ | ​
Name | ​ ​ | Jurisdiction of Incorporation
Materialise SAS | ​ | France
Materialise GmbH | ​ | Germany
Materialise Japan K.K. | ​ | Japan
Materialise s.r.o. | ​ | The Czech Republic
Materialise USA, LLC | ​ | United States
OBL SAS | ​ | France
Materialise Austria GmbH | ​ | Austria
MATERIALISE SDN. BHD | ​ | Malaysia
Materialise Ukraine LLC | ​ | Ukraine
RapidFit NV* | ​ | Belgium
Materialise SA | ​ | Poland
Meridian Technique Limited | ​ | United Kingdom
Materialise Netherlands BV | ​ | The Netherlands
Materialise Colombia SAS | ​ | Colombia
Materialise Motion NV | ​ | Belgium
Materialise Shanghai Co. Ltd | ​ | China
Materialise Australia PTY Ltd | ​ | Australia
Materialise S.R.L. | ​ | Italy
ACTech Holding GmbH | ​ | Germany
ACTech GmbH | ​ | Germany
ACTech North America Inc. | ​ | United States
Engimplan Engenharia de Implante Industria E Comércio Ltda | ​ | Brazil
Engimplan Holding Ltda | ​ | Brazil
Materialise Limited | ​ | South Korea
Tianjin Zhenyuan Materialise Medical Technology Ltd | ​ | China
Feops NV | ​ | Belgium

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*Materialise announced on March 31, 2026 the sale of business assets relating to its Rapidfit business to the current management team. Closing of the transaction is expected on or around April 30, 2026.