SecuLetter: Q1 Revenue Surges, Loss Narrows


  • Q1 2026 revenue: 1,298M KRW (approx. 7x increase from 163M in same period last year)
  • Product sales of 767M KRW (vs. 0) drove growth; 59% dependency on single customer (C Corp)
  • Operating loss: 242M KRW (loss narrowed YoY), net loss: 243M KRW (vs. 1,832M)
  • R&D expenses: 157M KRW (12.1% of revenue), down from 98.5% in prior year
  • Credit rating: B- (Nice Information Service), improving trend (from CCC)
  • Largest shareholder: Im Cha-sung, 29.16% stake, unchanged
  • Post-report: borrowed 2B KRW secured by real estate
  • No dividends, no share buybacks

KOSDAQ Filing Information


  • Filing: Quarterly Report (2026.03)
  • Company: SecuLetter (418250)
  • Submission: SecuLetter Co., Ltd.
  • Receipt: 05-14-2026