S1 (012750.KS) Q1 2026: Profit Plunges 62% on Labor Cost Surge
Revenue held essentially flat at ₩673.7 billion while operating profit collapsed from ₩55.1 billion to ₩20.8 billion, exposing the full force of labor cost leverage in S1's security services and facilities management model.
Source: Q1 2026 Quarterly Report (50th Fiscal Year, Jan 1–Mar 31, 2026) — Filed May 15, 2026 with DART | Consolidated Financial Statements | Unit: ₩ billions


