REA Maternity Hospital has joined the list of the best hospitals in the world for the year 2015, also it has received the distinction Preferred Partner Hospital for the year 2016, 2017, 2018 and 2019, according to the list issued by the Diplomatic Council, which falls within the UN, in cooperation with the international certification body TEMOS.

REA Hospital is certificed from Swiss Approval, according to ISO 9001: 2015, for all of its services, with ISO 14001: 2015 for environmental management, as well as HACCP, (ISO 22000:2005) for Catering Services, from the . 

REA Fertility and IVF Unit has established and implemented a quality management system for Medically Assisted Reproduction Units & Cryopreservation Banks and has been certified according to the International Standards ISO 9001:2015 and BS EN 15224:2016 by Swiss Approval for the provision of its services.

As proven in the short time of its activity, REA Hospital continues to grow constantly in order to offer high quality and safety in healthcare, setting an example in the field of Greece's private clinics with international standards.