Contact GYL Decauwer LLP

If you have questions or would like to arrange a free consultation with us, don't hesitate to call us. We welcome
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To learn more about our service offerings, contact us using our email form or call us directly.

Ontario Office

Ontario Office

4120 East Concours, Suite 100
Ontario, CA 91764

Phone: 1-909-948-9990
Toll-Free: 1-800-644-0696
Fax: 1-900-948-9633

John Leris, CPA – Partner
john@gyldecauwer.com
Joseph Romero, CPA – Partner
joe@gyldecauwer.com
Stephen Williams, CPA – Partner
steve@gyldecauwer.com
Phone: 1-714-838-0101


San Diego Office

12626 High Bluff Drive, Suite 144
San Diego, CA 92130

Phone: 1-619-840-2110
Toll-Free: 1-800-644-0696
David B. Cohen, BBA, MBA, MS, CPA – Partner
dave@gyldecauwerllp.com


Simi Valley Office

2655 First Street, Suite 250
Simi Valley, CA 93065

Phone: 1-805-915-4724
Toll-Free: 1-800-644-0696
David Papotta, CPA/CFF – Principal
david@gyldecauwer.com

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