South Korea

Yoon & Yang LLC is an independent Korean firm with offices in Seoul, Ho Chi Minh City, Tashkent, Hanoi and Jakarta. The firm is also a member firm of TerraLex and the Interlex Group. 

Highlights 

The firm is strongest in the equity and debt capital markets, M&A, and restructuring and insolvency, and is active in finance and private equity. 

During the research period, the banking and finance team was busy advising domestic and foreign clients on complex regulatory matters and was particularly active in transitions related to project and acquisition financing. The firm has enhanced its banking and finance and capital markets team with the addition of partners Young Jin Son, Joohyung Lee and Seong Yoon Na in 2025. 

In the capital markets, the firm continued to advise domestic and overseas companies on their IPOs and listings on KRX. In the corporate sector, the firm kept busy with handling public and private acquisitions, including investment through private equity funds. The restructuring team continued to be active providing advice for both debtors and creditors. Active industry sectors included manufacturing, aviation, energy, and heavy and chemical industries. 

The project team continued to be active in the energy and infrastructure industry, including both litigations for energy companies and advisories for energy sectors.  

In 2025, senior foreign attorney Adrian Yoon-Suk Bae and Kyu-cheol Jung joined the corporate and M&A team. Additionally, partner Jae Ho Hwang joined the restructuring and insolvency team during the same year. 

Key clients 

Key clients include KB Securities, KDB (Korea Development Bank), Export-Import Bank of Korea, Woori Bank, Shinhan Bank, Samsung Securities, NH Investment Securities, Hyundai Mobis, Vena Energy, and Luye Medical Group. 

Testimonials 

“Outstanding dedication of the team, strong commitment to form a team of the best specialists within the firm and flexibility in accommodating our fee structure and other institution-specific requirements in engagement terms.” (M&A client) 

"Yoon & Yang has demonstrated exceptional expertise in professional services, along with a deep understanding of legal advisory fields and prompt feedback, distinguishing themselves from other law firms. Throughout the collaboration process, communication was smooth and effective." (M&A client) 

"Y&Y closely managed every stage of the M&A process with great attention to detail. They consistently provided prompt and accurate responses at each step, and were particularly commendable in their willingness to offer immediate support whenever the client required assistance, regardless of the time." (M&A client) 

"Dedicated team, diligent work, and fast feedback." (Project development client) 

영균 윤 

"Good in investment-related matters such as PEF and VC." 

Dae Sagong  

"Outstanding dedication, outstanding responsiveness without compromising good quality of products and communication, and clear (but still balanced) advice." 

"Proactive and responsive." 

Hwang Lim Jang  

"As the lead partner, Jang was responsible for the overall legal coordination of the M&A transaction. He closely oversaw the entire M&A workflow, demonstrated a strong understanding of the client's needs, and ensured that the Y&Y team retained were thorough and responsive throughout the process." 

Young Kwan Choi  

"He demonstrates exceptional proficiency in maintaining authentic communication with clients and thoroughly understanding their issues. Leveraging this expertise, he delivers legal counsel with a comprehensive view on the optimal solutions for the client."