SelectStar, a Seoul-based AI data and reliability verification company, has raised $15.5 million in its Series B funding round, bringing its total funding to $28 million to date.
The round drew participation from KB Investment, KB Securities, Shinhan Venture Investment, Kiwoom Investment, SBI Investment, Samsung Securities, Moorim Capital, and Infobank Partners, along with international backers Salesforce Ventures and ACVC Partners.
Founded in 2018, SelectStar provides data collection, processing, and reliability verification solutions essential for AI development. The company serves more than 320 clients, including Korea’s top five conglomerates and five major financial groups. In 2023, SelectStar launched a licensed, high-quality AI training dataset business, achieving over ₩5 billion in cumulative sales. Demand from global companies for Korean-language datasets has been on the rise, and the company is now expanding into multilingual and multimodal dataset offerings.
Earlier this year, the company introduced DatuMo Ebal, Korea’s first automated reliability verification solution for generative AI. This tool automates the verification process to proactively identify and address potential errors and risks in AI service operations.
Known as Datumo in overseas markets, SelectStar has been promoting its global brand under this name since March, supported by strategic investment from Salesforce Ventures. The company has also been selected to participate in Korea’s national foundation model initiative, leading efforts in data management, safety evaluation datasets, and red teaming within a consortium headed by SK Telecom and other leading AI partners.
With the new funding, SelectStar plans to accelerate R&D — particularly in developing automated AI evaluation tools for enterprises — and expand its global go-to-market operations in South Korea, Japan, and the United States. The company, which has around 150 employees in Seoul, also opened a Silicon Valley office in March to strengthen its U.S. presence.
