Regulators are going after another Valley mortgage firm for suspected illegal lending practices.

The Arizona Department of Financial Institutions has filed a complaint against Home One Mortgage Services, or SJJ Corp.

Allegations include failing to disclose or calculate the right interest rates and fees on more than 100 loans; letting Residential Asset Management, among other groups, use its license to process mortgages; and making false promises or concealing important facts on more than 200 loans.