noun
guarantee fee
A fee paid to a guarantor or guarantee institution, commonly encountered in loan, rental, or credit contexts.
住宅ローンを組むとき、保証料が必要になることがあります。
When taking out a mortgage, a guarantee fee may be required.
手数料 is a general handling or service fee, whereas 保証料 specifically refers to a fee for a guarantee.
Compound of 保証 (guarantee) and 料 (fee).