Our company had our taxes done with them for the past 4 years. The accountants and staff in the firm is friendly and their overall service and expertise is decent. They aren't as knowledable...
GYL Decauwer
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GYL Decauwer is a trusted team of certified public accountants and business consultants based in Ontario, CA. They offer a comprehensive range of accounting, audit, business advisory, and tax services for businesses, not-for-profits, and individuals, with a focus on industry specialization and customized solutions.
With a reputation renowned in the business and banking community, GYL emphasizes professionalism, enthusiasm, and industry expertise in delivering superior financial, tax, and business services. Their team of business-minded professionals speaks the language of business, providing tailored solutions to help clients achieve peace of mind and success.
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Reviews

The CPA I was previously using joined this firm. From the start I had difficulty getting responses to my emails, and they were extremely slow in completing my taxes, which includes a trust. I...
If you are looking for payroll services, keep looking. The staff is friendly, but not able to provide basic insights on invoicing and billing. After repeatedly asking for clarification on...
This company is idiot. They lack the very basic skill in dealing with pple & technology. Lack real estate ,& tend to screw up over & over . very ruse pple. Don't trust what the operation & finance...

Mark Rivera is my CPA. He demonstrates a broad accounting knowledge while having excellent "real-life" perspective. When I was looking for a CPA I called around and spoke with many accountants....
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