TERASi raises $12.5M seed

◆ Amount

$12.5M

◆ Announced

23 Sept 2026

◆ Company

◆ Source

◆ The Round

TERASi raised $12.5M in seed funding, announced on 23 September 2026, led by NATO Innovation Fund, JOIN Capital, with participation from In-Q-Tel, D3, Navigare Ventures, Almi Invest, Onsight Ventures, Further Than Capital, KTH Ventures. The round is tracked live by Fusion42 as part of the Raise fund database and the Scout startup database.

◆ About TERASi

Sweden-based startup developing unjammable and undetectable wireless communications systems for tactical military applications. TERASi is based in Sweden and currently at seed stage, operating in Telecom & Connectivity, Defense Tech.

◆ Investors

◆ Investing funds on Raise

• NATO Innovation Fund
• Join Capital

◆ Market context

NATO Innovation Fund and Join Capital are profiled on Raise, Fusion42's database of venture funds — where each investor's thesis, cheque size and other tracked backings can be followed. This funding event is a citable node in Fusion42's market graph: it links TERASi's Scout profile to the funds behind the round and to related Wire analysis, and is refreshed from public announcements as the round is confirmed or extended. It is the same live market data Arthur reasons over when benchmarking a founder's own raise against what is closing in the market right now.

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