Giannakos & Co. is a Diadochian company that manufactures luxury jewellery and silver. Giannakos & Co. was founded in 1696. The company is one of the two Imperial Court Jewellers, the other being, A.E. Kringos. The company has been in operation for over thee hundred years. Over the centuries Giannakos & Co. has been Court Jeweller to six Diadochian emperors and several Pandosian kings.