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Summa Defence

Finnish defence and security technology group building marine and land platforms for defence and dual-use customers

Helsinki, FinlandFounded 2010summadefence.fiWebsite technologies

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  • New on EvolcAdded 2026-10-28

About Summa Defence

Summa Defence Oyj is a Finnish defence and security technology group that aims to support growth in the sector and strengthen industrial production capacity. Its focus areas are marine technologies for defence and civil use, land technologies such as multi-use platforms and infrastructure solutions, and new technologies in digital defence, autonomy and intelligence systems.

Subsidiaries include Uudenkaupungin Työvene, which has signed an agreement to supply a SWATH personnel transport vessel to the German navy, and Lännen Tractors. Customers include defence organisations and civil and dual-use buyers. In October 2026 the subsidiaries agreed to sell the Watermaster business to the Futurum group.

The company was founded in 2010 and is headquartered in Helsinki. Its shares are listed on Nasdaq First North Growth Market in Sweden and Finland. On 9 October 2026 the Helsinki District Court opened business reorganisation proceedings for Summa Defence Oyj and Summa Holding Oy.

Product: Marine and land platforms for defence and dual-use use, including SWATH personnel transport vessels and tractors, delivered through subsidiaries.

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