The builder (patron) of this large caravanserai was a person by the name Sa'd al-Saltaneh Isfahani (آقا باقر سعد السلطنه اصفهاني), after whom the caravanserai is named.
Sa'd al-Saltaneh Isfahani, also referred to as آقا باقر سعد السلطنه اصفهاني, was the patron who constructed this large caravanserai. The structure bears his name in recognition of his contribution.