About this signal
Client Concentration measures revenue dependency using industry-agnostic band thresholds (Micro, Small, Medium, Large, Enterprise). Each band has specific reference levels for single-customer share, top-3 combined share, and HHI (Herfindahl-Hirschman Index). For a Micro business (1–5 customers), the single-customer reference level is 40%. HHI above 2,500 is considered highly concentrated by regulators and lenders.