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An Accountancy Corporation


Offering the highest personal and professional service

We are dedicated to serving your accounting needs, giving you greater peace of mind.
  • Tax planning and preparation
  • Full service bookkeeping 
  • QuickBooks Advisors
  • Estates and trusts
  • Business operations consulting

We work for individuals and families, small businesses and large corporations.  We specialize in the closely held family business. We can help you set up the accounting for your small business, plan your retirement, or settle an estate.

Let us ease the burden of keeping your financial house in order.  

Ristau & Co., Inc., established in 1972, provides clients with the highest-quality personal service. We listen and analyze in order to provide our clients with the very best accounting, financial planning, and tax related assistance possible. We maintain strict confidentiality, earning the trust of our clients for more than 40 years.

This site offers information about our company and staff. You will also find links to other useful websites here. We look forward to working with you on a personal level at our office. Please call to schedule an appointment.
Hours:  Mon - Fri: 8 - 5
Early, late, or Saturday afternoon and Sunday appointments by request.


101 College Ave., Ste.1,   Modesto,   CA   95350
Phone: (209) 521-1376      Fax: (209) 521-0658