There is a company which offers this service.
This guided tour includes an official guided tour (in English), tickets for all parts of the Alhambra and return transport with an assistant guide from your hotel in Seville city-centre.
Itinerary: Nasrid Palaces, Fortress (Alcazaba), Charles V Palace and Medina to finish in the Generalife Gardens and Palace.
Here is a link to book tickets
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