Robert Half (RHI) reported Q1 net income late Wednesday of $0.17 per diluted share, down from $0.61 a year earlier.
Analysts polled by FactSet expected $0.36.
Service revenue for the quarter ended March 31 was $1.35 billion, down from $1.48 billion a year earlier.
Analysts surveyed by FactSet expected $1.41 billion.
Shares of the company were down 14% in recent after-hours activity.