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C.I.D. serves as a dual purpose certifying body and professional membership association exclusively for Certified Interior Decorators. No other individual, organization, college or school program or can "certify" Interior Decorators. Founder, President and renowned Interior Designer Ron Renner conceived the idea of certifying Interior Decorators for the first time in history. His purpose was to define the difference between Interior Designers and Interior Decorators and clarify the role of the professionally trained and tested Certified Interior Decorator. The term "Certified Interior Decorator" and the appellation "C.I.D." are registered trademarks filed in 1997 in the U.S. Patent and Trademark office in Washington, DC. The use of CID or C.I.D. is exclusively for current professional members of C.I.D.

Certification Program

The C.I.D. Certification program was written by Ron Renner, ASID to provide professional training and testing of Interior Decorators and was designed to allow the talented (novice or experienced) decorator to earn credentials for the purpose of pursuing a career as a "Certified Interior Decorator". The program is a complete Interior Decorating course with Certification. Our exclusive Certification program is taught in an easy, informative and concise manner through the use of ONLINE education or our Direct Workbook correspondence program. Teachings include, Function of Interior Spaces, History of Furniture, Trade Showrooms, Use of Color, Lighting, Scale and How to Charge for your services as a Certified Interior Decorator.

Both programs include the C.I.D. Entrance Exam. Successful completion of same will result in Certification and a full one-year membership (a $295 value). The C.I.D. Certification program is the only program you will need and is the most direct route to Certification. For the Complete Course Outline and additional information (click here).

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  "This is a wonderful program for someone who has talent for decorating but wants or needs to add the validity that becoming certified offers. The C.I.D. designation and membership in the Certified Interior Decorators International organization will open doors and lets consumers know you are a professional they can trust. So... thank you Mr. Renner."
Kim Winnette, C.I.D.

"Any industry that decides to create guidelines and raise the professionalism of its industry deserves commendation and the decoration community deserves no less."
Charlotte Jensen
FASID Past President of the National Council of Interior Design Qualification (NCIDQ)
"I have just finished the C.I.D. Certification Program. I have found that your section on "The History of Furniture and Architectural Styles"very concise and informative and exactly what I needed. The other section was Session #7, "Consulting: Fees and Compensation". It cleared up so much for me on exactly what I should be charging. I cannot thank you enough for this wonderful program."
Laguna Niguel, CA

"Showrooms would be much more willing to work with a Certified Interior Decorator (C.I.D.)"
Dallas Decorative Center
Dallas, Texas
Please note: If you have graduated from a course in Interior Decorating from an established Community College or Direct Learning School, you may qualify to apply for our Certification Review Course and the C.I.D. Entrance Exam. Upon successful completion of the Exam, you will be qualified to become a C.I.D. member and a Certified Interior Decorator. For a current list of approved college or school programs and other requirements (CLICK HERE)
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Ron Renner, ASID
NCIDQ Certified

Certified Interior Decorators International, Inc.

649 SE Central Parkway, Stuart, FL 34994
Phone: (772) 287-1855  |  Fax: (772) 287-0398
(Orders Only) 1-800-624-0093

All Rights Reserved.
About President and Founder
Ron Renner is a founding Professional Member of the American Society of Interior Designers (ASID) and is certified by the National Council for Interior Design Qualification (NCIDQ). Ron has also served as membership chairman and as a member of the board of directors for ASID... click here to learn more