Summa Defence Oyj (STO:SUMMAS)
Sweden · Delayed Price · Currency is SEK 10.38
+0.87 (9.15%)
At close: May 22, 2026
Summa Defence Oyj Company Description
Summa Defence Oyj, a defense and security technology group, focuses on dual-use technologies related to security of supply, situational awareness, mobility, and defense in the civilian, security, and defense sectors.
It offers aluminum and steel-hulled vessels, multipurpose machine and equipment solutions, watermaster multi-purpose machines, containers and modular spaces, drones, near-eye displays, and renewable energy solutions for industry, energy companies, and properties.
The company was formerly known as Meriaura Group Oyj and changed its name to Summa Defence Oyj in June 2025.
Summa Defence Oyj was incorporated in 2024 and is based in Helsinki, Finland.
Summa Defence Oyj
| Country | Finland |
| Founded | 2024 |
| Industry | Aerospace & Defense |
| Sector | Industrials |
| Employees | 290 |
| CEO | Robert Blumberg |
Contact Details
Address: Mäkelänkatu 87 Helsinki, 00610 Finland | |
| Website | summadefence.fi |
Stock Details
| Ticker Symbol | SUMMAS |
| Exchange | Nasdaq Stockholm |
| Fiscal Year | January - December |
| Reporting Currency | EUR |
| SIC Code | 3674 |
Key Executives
| Name | Position |
|---|---|
| Robert Blumberg M.Sc. (Eng.), MBA | Chief Executive Officer |
| Samuli Koskela | Co-Founder |
| Petter Ruda | Chief Financial Officer |
| Mika Järvenpää | Head of Technology |
| Hanna Kyrki | General Counsel |
| Engineer Leo Vanhatalo | Director of Sales and Marketing |
| Hanna Korhonen | Chief Human Resources Officer |
| Jussi Holopainen | Director in the New Technologies |