In December 2025, SEUM provided legal advisory services to Sionic AI Inc. ("Sionic AI"), an AI-based enterprise solutions company, in connection with its KRW 25 billion Series A funding round.

The round attracted participation from existing investors IMM Investment and Korea Investment Partners, as well as strategic investors including Naver Cloud, with which Sionic AI is pursuing a joint business initiative, and the Industrial Bank of Korea (IBK), together with major domestic financial investors including Atinum Investment, LB Investment, KT Investment, Partners Investment, Mirae Asset Venture Investment, Flux Ventures, BSK Investment, and Samsung Venture Investment. Through this round, Sionic AI's cumulative funding exceeded KRW 30 billion.

Founded in 2023, Sionic AI operates its enterprise LLM (large language model) management solution, the "STORM Platform," to build customized AI agents that meet the security and compliance standards required by financial institutions and large enterprises. Sionic AI plans to use the funding to advance the STORM Platform, expand into the Japanese and Southeast Asian markets, and secure specialized AI talent, with the goal of leading the Asia-Pacific enterprise AI market by 2030. Sionic AI's CEO said the investment reflects the confidence of major domestic and international companies in Sionic AI’s technological vision, adding that Sionic AI plans to expand collaboration with partners including Naver Cloud to lead the Asia-Pacific enterprise AI market by 2030.

Drawing on its deep understanding of IT companies and extensive experience in investment advisory, SEUM provided tailored legal services to ensure the entire funding process proceeded smoothly.