About Probity
Partners
At Probity Partners LLP, we are dedicated to delivering trusted audit, consulting, and outsourced accounting solutions tailored to the needs of today’s businesses. Founded by experienced professionals Robert Castera and Judie Kieu, our firm combines technical expertise with a commitment to integrity, precision, and client success.
With decades of combined experience at leading global firms, our partners bring deep knowledge of U.S. GAAP, IFRS, and evolving regulatory standards. We serve clients across a wide range of industries, helping them navigate complex financial reporting requirements, strengthen internal controls, and achieve operational efficiency.
Whether providing assurance services, guiding businesses through technical accounting challenges, or managing day-to-day bookkeeping, our team is committed to delivering high-quality solutions with the highest level of professionalism. At Probity Partners, we don’t just provide services—we build long-term relationships grounded in trust, transparency, and excellence.