M3, Inc. engages in the provision of medical related services through the Internet. It operates through the following segments: Medical Platform, Evidence Solution, Career Solution, Site Solution, Overseas, and Other Emerging Businesses. The Medical Platform segment handles domestic marketing-related services that uses the Internet. It also operates the medical professional site, m3.com. The Evidence Solution segment offers business support for clinical trials. It also manages overall clinical trial operations. The Career Solution segment deals with human resources service business for medical professionals in Japan. The Site Solutions segment covers medical institution management support and home-visit nursing businesses. The Overseas segment provides services such as marketing support, research, clinical trial support, and human resources services for medical companies that use medical professional sites in the United States, United Kingdom, China, South Korea, India, France, Germany