Jeremiah K.
6/4/2020
Well like a knucklehead, when I sent in my order for to CGC (Fantastic Four #112 & Crisis on Infinite Earths #1 & #2), I forgot to include the packing slip. In speaking with Shane, he was very...
Certified Guaranty Company
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(21)
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5501 Communications Pkwy
Lakewood Ranch, FL 34240
Certified Guaranty Company, based in Lakewood Ranch, FL, specializes in providing professional certification services for a variety of valuable items.
With a team of experts in authentication and grading, the company ensures the legitimacy and quality of collectibles, memorabilia, and other assets for clients worldwide.
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Also at this address
Reviews
1.521 reviewsPho K.
10/12/2025
When you drop off your comics at a convention that they attend and accept drop offs they will never send you email confirmation of receiving your comics even though they tell you to your face they...
Steve K.
8/23/2025
I took a card directly from an unopened box (with witnesses, well known dealers) and had it graded by a company years ago. It was graded highly, so I decided to sell. The buyer wanted a 2nd score...
Kevin S.
6/27/2023
A sports card I sold on eBay was sent to this company to be authenticated through a program eBay has. But the company apparently damaged the card then claimed my description wasn't accurate. I...
Kelli W.
5/9/2024
Do not do business with this company. They have the worst customer service I've ever had to deal with. I've spoken with Erica, Lorraine and Serena. All of them are worthless. They apparently don't...
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