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Intangible assets

12 Months Ended

Dec. 31, 2025

6Intangible 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).