Arrache CPA is a Newport Beach, CA tax and accounting firm serving business, individual, trust, and nonprofit clients. The firm provides tax services, accounting services, and tax resolution, with support for planning, preparation, compliance, and audit-related matters based on the supplied source information.

The profile facts note capabilities across tax planning, bookkeeping, payroll, sales tax, and new business formation. Services are described for both in-person and online formats, and the source text identifies Michael R. Arrache with CPA and EA designations. The firm also references work with domestic and international clients and broader financial support such as compliance, audit resolution, and independent CFO services.