Design a sophisticated, circular logo for KRH Business Consulting Ltd. The logo should embody the themes of business transformation, efficiency, and customer experience enhancement. The design must be simple yet professional, using a black and white color scheme. The imagery could include abstract representations of growth, transformation, or business consulting symbols such as charts, arrows, or gears, all contained within a circular boundary. This logo aims to appeal to small to medium businesses looking for expertise in Business Process Management (BPM), Customer Experience (CX), and operational excellence. The logo should convey the message of expert business analysis and consulting services, capturing the essence of transforming business efficiency and customer experiences.