Peterson - Slater - Osborne
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PSO Successfully Reviewed by Peers

Peterson Slater & Osborne (PSO) once again successfully completed a rigorous peer review of its accounting and auditing practice. The reviewers concluded the firm complies with the stringent quality control standards set by the American Institute of Certified Public Accountants (AICPA), the national professional organization of CPAs.

“The unmodified report indicated we measure up to the accounting profession’s high standards of quality and professionalism,” said Pedro T. Rincon, CPA, the PSO partner responsible for audit and attestation services. “Our clients deserve to have a CPA firm that has passed a rigorous review such as this.”

View Report

PSO Announces Promotion, New Staff

Ochoa earns distinction of only Forensic CPA in the Coachella Valley

We can save you money
on your taxes.

Peterson Slater & Osborne

Saving money in today’s business tax environment can be complicated.

Tax laws and regulations change often. It takes the experience, dedication and expertise of highly qualified tax professionals to help you minimize the impact of these changes on your business.

The tax experts at PSO have been helping businesses achieve and exceed their financial and tax needs for over 50 years. We are proud to have built a solid reputation based on honesty, integrity, quality and professionalism.

Pedro Rincon, Adam Ochoa and Lee Osborne


Our experienced CPA’s offer a variety of services including income tax preparation and planning, accounting and auditing, forensic and litigation support, business valuation, estate tax consulting and business consulting.



PSO is a team you can partner with who will understand you and your business, providing you with financial peace of mind.

PETERSON SLATER & OSBORNE
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