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Intangible assets | 12 Months Ended
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Dec. 31, 2025
Intangible assets |
Intangible assets | 6 Intangible assets The changes in the carrying value of the intangible assets can be presented as follows for the years 2025, 2024 and 2023: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | Acquired | ​ | Developed | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | customers, | ​ | technology and | ​ | ​
​ | ​ | Patents and | ​ | ​ | ​ | technology and | ​ | software under | ​ | ​
in 000€ | ​ ​ ​ | licenses | ​ ​ ​ | Software | ​ ​ ​ | order backlog | ​ ​ ​ | construction | ​ ​ ​ | Total
Acquisition value | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
At January 1, 2023 |  | 6,915 |  | 12,679 |  | 44,431 |  | 8,527 |  | 72,552
Additions |  | 327 |  | 1,006 |  | — |  | 1,685 |  | 3,018
Disposals |  | (132) |  | (4,504) |  | — |  | (45) |  | (4,680)
Transfer between accounts |  | 129 |  | 7,458 |  | — |  | (7,603) |  | (16)
Currency translation |  | 0 |  | 11 |  | 241 |  | — |  | 252
At December 31, 2023 |  | 7,239 |  | 16,649 |  | 44,673 |  | 2,564 |  | 71,125
Additions |  | 315 | ​ | 79 | ​ | — | ​ | 1,477 | ​ | 1,871
Acquisition of a subsidiary |  | 122 | ​ | — | ​ | 2,938 | ​ | — | ​ | 3,060
Disposals |  | (11) | ​ | (278) | ​ | — | ​ | — | ​ | (289)
Transfer between accounts |  | 102 | ​ | 1,413 | ​ | — | ​ | (1,516) | ​ | 0
Currency translation |  | 1 | ​ | (33) | ​ | (139) | ​ | (2) | ​ | (173)
At December 31, 2024 |  | 7,768 | ​ | 17,830 | ​ | 47,472 | ​ | 2,523 | ​ | 75,593
Additions |  | 470 | ​ | 330 | ​ | 48 | ​ | 1,371 | ​ | 2,220
Disposals |  | (529) | ​ | (388) | ​ | — | ​ | (17) | ​ | (934)
Transfer between accounts |  | 41 | ​ | 1,410 | ​ | (48) | ​ | (1,369) | ​ | 33
Currency translation |  | (1) | ​ | (3) | ​ | (284) | ​ | (0) | ​ | (288)
Assets held for sale |  | (1) | ​ | (424) | ​ | — | ​ | — | ​ | (426)
At December 31, 2025 |  | 7,749 | ​ | 18,754 | ​ | 47,188 | ​ | 2,508 | ​ | 76,199
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | Acquired | ​ | Developed | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | customers, | ​ | technology and | ​ | ​
​ | ​ | Patents and | ​ | ​ | ​ | technology and | ​ | software under | ​ | ​
in 000€ | ​ ​ ​ | licenses | ​ ​ ​ | Software | ​ ​ ​ | order backlog | ​ ​ ​ | construction | ​ ​ ​ | Total
Amortization & Impairments | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
At January 1, 2023 |  | (4,829) |  | (10,799) |  | (16,957) |  | (2,090) |  | (34,676)
Amortization charge for the year |  | (755) |  | (3,027) |  | (2,722) |  | — |  | (6,504)
Impairments | ​ | — |  | — |  | (2,915) |  | — |  | (2,915)
Disposals |  | 132 |  | 4,504 |  | — |  | — |  | 4,636
Currency translation | ​ | (0) |  | (10) |  | (191) |  | — |  | (202)
At December 31, 2023 |  | (5,453) |  | (9,333) |  | (22,785) |  | (2,090) |  | (39,661)
Amortization charge for the year |  | (531) | ​ | (3,763) | ​ | (2,095) | ​ | — | ​ | (6,389)
Impairments |  | — | ​ | (46) | ​ | — | ​ | — | ​ | (46)
Disposals |  | 11 |  | 278 |  | — |  | — |  | 289
Transfer between accounts |  | (0) |  | (0) |  | — |  | — |  | (0)
Currency translation |  | — |  | 33 |  | 154 |  | — |  | 187
At December 31, 2024 |  | (5,973) | ​ | (12,830) | ​ | (24,726) | ​ | (2,090) | ​ | (45,619)
Amortization charge for the year |  | (485) | ​ | (4,122) | ​ | (1,823) | ​ | — | ​ | (6,431)
Disposals |  | 428 |  | 385 |  | — |  | — |  | 813
Currency translation |  | 0 |  | 3 |  | 284 |  | — |  | 288
Assets held for sale |  | 1 |  | 389 |  | — |  | — |  | 390
At December 31, 2025 |  | (6,029) | ​ | (16,176) | ​ | (26,265) | ​ | (2,090) | ​ | (50,560)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net carrying value |  | ​ |  | ​ |  | ​ |  | ​ |  | ​
At December 31, 2025 |  | 1,721 | ​ | 2,578 | ​ | 20,923 | ​ | 418 | ​ | 25,639
At December 31, 2024 |  | 1,794 | ​ | 4,999 | ​ | 22,746 | ​ | 433 | ​ | 29,973
At December 31, 2023 |  | 1,786 |  | 7,316 |  | 21,887 |  | 474 |  | 31,464
At January 1, 2023 |  | 2,086 |  | 1,879 |  | 27,474 |  | 6,437 |  | 37,875
​ Patent and licenses include only the directly attributable external costs incurred in registering the patent and obtaining the license. Software relates to purchased software for internal use and in-house developed technology. The remaining amortization period is 2.5 years for the main software purchases and 3.6 years for the main patents and licenses. The ‘Acquired customers, technology and other intangibles’ have been recognized as part of the acquisition of Materialise Motion, Engimplan, ACTech, E-Prototypy, OrthoView, Cenat, Link3D, Identify3D and FEops NV. At December 31, 2025, the remaining amortization period for the acquired customers is 2.1 years for Materialise Motion, fully amortized for Engimplan, 11.0 years for ACTech, fully amortized for E-Prototypy, fully amortized for OrthoView and, fully amortized for Cenat. At December 31, 2025, the remaining amortization period for the acquired technology and contracts is 1.8 years for Materialise Motion and 5.6 years for FEops NV. The net book value of developed technology and software under construction at December 31, 2025 relates primarily to the internal digitalization program. The total amortization charge for 2025 is K€6,431 (2024: K€6,389; 2023: K€6,504). In 2023, impairments were booked on “Acquired customers, technology and other intangibles” for K€2,915 related to Motion and Engimplan (also refer to Note 5). ​

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