noun
guarantor company; surety company
A company that provides a guarantee, often for rental housing or financial obligations.
賃貸契約には保証会社の審査が必要です。
A screening by a guarantor company is required for the rental contract.
保証人 is an individual guarantor, while 保証会社 is a corporate entity providing the guarantee.
Compound of 保証 (guarantee) and 会社 (company).