MRT Inc. operates a medical information platform. It provides temporary and part-time doctor services; doctor's career change support service; re:ray, a one stop recruitment agency; Door., an app to connect network of doctors; Door.into, which provides online health counseling, and online medical care; Pocket Doctor, a telemedicine/health consultation app; groupware for medical offices; and FASTCALL that consolidates the functions required for hospital crisis management system as safety confirmation service for medical institution. The company also offers nurse and pharmacist recruitment service; human resources introduction service for clinical laboratory engineers, radiologists, and dialysis nurses, as well as for new business openings and succession projects; and recruitment information service for exclusive industrial physicians and contract industrial physicians. In addition, it engages in employment agency business, opening of business, business succession support business, and PR services, and life support business. Further, it offers services for supporting the operation of medical institutions, such as fund management, utilizing medical fee factoring, payroll calculation for doctors' part-time jobs, and payroll transfer agency services. Additionally, the company sells human umbilical cord-derived stem cell culture supernatant; and provides babysitter services, tax accountant referral service, credit card payment agency service, questionnaire survey request for pharmaceuticals, etc., as well as media coverage cooperation. It also publishes books on illness and treatment; and member comprehensive compensation systems. The company was formerly known as Medical Research and Technology Co., Ltd and changed its name to MRT Inc. in September 2014. MRT Inc. was incorporated in 2000 and is headquartered in Tokyo, Japan.