NGC Reviews & Complaints: Scam or Reputable?

Google: N/a
BBB: 1.8/5 A+
Trustpilot: 1.9/5

Numismatic Guaranty Corporation (NGC) is a numismatic grading company located in Sarasota, Florida. NGC specializes in the accurate, consistent, and impartial assessment of a coin's authenticity and grade. This company is known for grading coins, tokens, and medals. NGC, with its commitment to accuracy, consistency, and integrity, is regarded as the world's largest and most trusted third-party grading service. However, some concerns have been raised about its services. NGC holds a rating of 1.9/5 by Focus on the User.

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Featured Reviews

Top Review

5 stars


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Top Complaint

1 star

"Just a 2nd rate company, along with their terrible shipping policy, they also NEVER read the submission forms. Every time I list what CC to use on the form, they NEVER use..."

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What is Numismatic Guaranty Corporation (NGC)?

Founded in 1987 in Parsippany, New Jersey, by John Albanese, the Numismatic Guaranty Corporation (NGC) is an internationally recognized third-party coin grading and certification service. NGC began its journey as a pioneer in setting new standards of integrity in coin grading. Over the years, it has certified more than 50 million coins, making it the world’s largest service of its kind. The NGC certification process involves authentication, grading, attribution, and encapsulation of coins in clear plastic holders. NGC also provides coin conservation services through its affiliate Numismatic Conservation Services (NCS). In addition to its headquarters in Sarasota, Florida, NGC operates in several international locations including Hong Kong, China, Munich, Germany, and London, United Kingdom.

In 2021, NGC became a subsidiary of Certified Collectibles Group (CCG), owned by Blackstone, a multinational investment company. This acquisition marked a significant expansion of NGC's resources and capabilities. Notably, NGC introduced ancient coin certification in 2008, further broadening its range of services.

NGC Ratings

NGC Reputation

Focus on the User Review
Focus on the User
1.9/5 stars
27 reviews (Aggregated)
Google Reviews
Google Reviews
N/a stars
N/a reviews
BBB Reviews
1.8/5 stars A+
5 reviews
Trustpilot Reviews
1.9/5 stars
22 reviews

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NGC Reviews

Top NGC Reviews

Currently there are no live positive reviews.

NGC Complaints

Worst NGC Complaints

1 starFeatured

"Just a 2nd rate company, along with their terrible shipping policy, they also NEVER read the submission forms. Every time I list what CC to use on the form, they NEVER use it. Always some stupid excuse, plus they ship with mystvbe in person at your home. You can't pick up the package at fedex unless you wait till fedex misses 3 attempts, then fedex holds it 5 days, you can't pick it up, you wait till it ships back,vthen you pay again to ship it to the sake fedex way point that was being held at. It is VERY clear why they are a far 2nd next to PCGS. Pay they extra money and use PCGS, that's why pcgs graded coinsbare Worth more"

Trustpilot Reviews
1 star
1 starFeatured

"Well i wish i had read the reviews. before as well. i had sent in 12 coins and this was the second time i sent coins in. (1) was a 1964-D what looks like a copper nickel that weights 6.5 grams. it came back as vf details environmental mention of the weight which is 10 grams overweight for a 1964 nickel. next one was 1958-D penny that came back MS 63 RB LOL its gold-plated front and back. one was 1970-S LARGE DATE PENNY. Came back MS-64 BN. LOL there isn't brown anywhere on coin. im done with NGC."

Trustpilot Reviews
2 stars
1 starFeatured

"After 87 day's which was expected my coin's were graded. Too much to my surprise they entered wrong expiration date on my credit card that was on file for membership. You cannot get through to the accounting department after spending countless hours on phone finally got resolved. Never again."

Trustpilot Reviews
Mike S
1 star
1 starFeatured

"I had sent in a rare coin that had a special mint error. Which made the coin more valuable than what it had been in Gold. I sent the coin in for grading and received a different coin in the mail. They claim it’s the same but I’m a certified precious Metal dealer in the state of Minnesota and I’m very detail oriented when it comes to noticing the difference. They treated me like I was a liar and that I was trying to get one over on them which definitely is not the case. Someone who works for this company is swindling coins and I think the owner needs to take a look at the staff or maybe it is the company but I doubt that. I’m not the type of person to try making them pay, I’ll take the loss and Karma comes back around so I’m just writing to inform people to be careful. Always take pictures beforehand and maybe choose PCGS with really rare coins , at this point, i personally wouldn’t trust any of them with the experience I had."

BBB Review
Nidal A
1 star

Is NGC a Scam?

Numismatic Guaranty Corporation is not a scam. It is a reputable coin grading and certification service with a long history of operation since 1987. Despite a low rating of 1.9/5 on Focus on the User, NGC's extensive experience and large volume of coins graded (over 50 million) underline its legitimacy in the numismatic community.

NGC Pros and Cons


  • Pro: Industry Leadership NGC is recognized as the world’s largest and most trusted third-party coin grading service, with over 60 million coins graded.
  • Pro: International Presence The company has a strong global footprint, with operations in multiple countries.


  • Con: User Rating NGC has received a relatively low user rating of 1.9/5 on Focus on the User.
  • Con: Limited Service Scope NGC’s services are primarily focused on coin grading, which may not cater to all numismatic needs.

NGC Services and Products

NGC offers a range of services primarily focused on coin grading, including authentication, grading, attribution, and encapsulation of coins in protective plastic holders. Additional services include:

  • Coin Conservation: Through Numismatic Conservation Services (NCS).
  • Ancient Coin Certification: Specialized grading service for ancient coins, launched in 2008.
  • International Operations: Providing services in various global locations.


Is NGC a reputable company?

Yes, NGC is a reputable company with a history dating back to 1987 and is recognized as a leading third-party coin grading service.

How long has NGC been in business?

NGC has been in business since its founding in 1987.

Who is the owner of NGC?

NGC is a subsidiary of Certified Collectibles Group, which is owned by Blackstone.

How does NGC work?

NGC works by providing coin grading and certification services, which involve the authentication, grading, attribution, and encapsulation of coins.

Before Investing With NGC

Before investing with NGC, consider obtaining . This guide can help make informed decisions when investing in precious metals.

NGC Homepage

Contact NGC

For customer service and inquiries, NGC provides contact details and possibly maintains social media accounts for further engagement with their clients.

  • Phone: 855-472-3310
  • Email:
  • Address: P.O. Box 4776, Sarasota, FL 34230, United States
  • Founded: 1987
  • Alternate Name: Numismatic Guaranty Corporation
  • Category: Numismatic Grading Company
NGC Address

NGC Alternatives

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