Chai Communication is an independent digital advertising agency founded in 2004 that listed on KOSDAQ in September 2024 through a SPAC merger.
It provides integrated marketing services centered on digital brand campaigns, performance marketing, and digital content production, covering everything from campaign strategy to production, media operation, and performance analysis.
Its main revenue comes from advertisement production, such as broadcast and video campaigns, and media agency fees earned as commissions on ad spend across channels. In H1 2026, revenue by segment was split between media agency services at 48.7%, ad production at 39.6%, and other at 11.7%.
Over the same period, total handling volume reached 104.3 billion won, comprising 78.8 billion won in brand handling and 11.7 billion won in performance handling.
On a standalone basis, 97.3% of media agency revenue comes from direct contracts with advertisers, and no single client accounts for more than 10% of revenue, indicating a fairly diversified client base.
In June 2025, the company consolidated TheSC, which mainly conducts medical-institution marketing agency work and distributes medical devices and cosmetics, and TheSC runs digital marketing operations in Japan, China, Thailand, and Indonesia as well as domestically.
The company also operates a proprietary generative-AI content platform along with trend and performance analytics tools, and has unveiled an AI-based advertising concept agent called 'Ai-CEPT' as it expands into AI marketing solutions.
South Korea's digital ad agency market features competition between numerous small independent agencies and large integrated ad houses, and the company is positioning itself around combined brand-performance execution capability paired with a healthcare/beauty-focused subsidiary.