Hassan's Optician Co. is a retail/wholesale company of eyewear, hearing aid and jewellery primarily based in Kuwait with branches in Oman, Lebanon, UK and Dubai.

His son Kian Saadat Yazdi is currently the chief executive officer (CEO) of the company.

[4][3][5] Carl Zeiss AG a German manufacturer of optical systems, went into partnership with Hassan's to open a laboratory in Amghara, Kuwait in 2007[6][2] In 2009 Hassan's was honoured with a medal by the Italian Ambassador Enrico Granara on the National Day of Italy for their contribution to the optical industry of Italy.

[7][2] In 2010 Sanaz Mahingostar (Wife of Kian Saadat) joined Hassan's and founded Eye Boutique.

[9] and on 18 April the same year at Pavilion Downtown, Dubai, Hassan's announced a joint venture agreement with Yateem Group.