What is the ruling on working in auditing firms that review company accounts, given that these accounts are likely to contain usurious dealings, knowing that the auditor does not write or deal with these interests, but only reviews them?

It is not permissible to review or audit usurious accounts due to the involvement in writing and affirming usury. The Messenger of Allah, peace and blessings be upon him, cursed the one who consumes usury, the one who feeds it, its scribe, and its two witnesses, and they are all equal. The Permanent Committee for Issuing Fatwas has ruled that it is impermissible for a person to be an accountant for usurious accounts, as this constitutes cooperation in sin and aggression. The curse on the scribe of usury is general, encompassing everyone who contributes to writing or calculating usury. The doors of lawful sustenance are many, so a Muslim should strive to seek them and beware of unlawful wealth.