In response to the inquiries of many Muslims regarding the ruling on proxy Umrah, [Dar Al-Ifta Al-Misriya and the UAE Council for Sharia Fatwa] issued a religious decree clarifying the permissibility of this type of worship according to Islamic law.
Fatwa by the Egyptian Dar Al-Ifta, Fatwa Code (75341). You can view it through the link.
Fatwa by the UAE Council for Sharia Fatwa. You can view it in the file below.