PSA vs BGS vs CGC vs SGC: which grading company?

What grading companies do

A grading company is a third party that inspects your card, confirms it is authentic, assigns a condition grade, and seals it in a tamper-evident plastic case, often called a slab. All four major graders judge the same core things: centering, corners, edges, and surface. A slab does two jobs at once. It removes the guesswork for a buyer, who no longer has to trust your word on condition, and it protects the card from further wear.

Every one of the big four uses a familiar 1 to 10 scale, where 10 is essentially flawless and lower numbers reflect wear, whitening, scratches, or off-center printing. Because the scale is shared, a PSA 9 and a CGC 9 describe roughly the same condition tier. What differs between companies is reputation, presentation, the level of detail on the label, and how the market prices their slabs. Those differences are exactly what this guide compares.

PSA: the most recognized name

PSA (Professional Sports Authenticator) is the most widely recognized grading company in the hobby, and its name carries weight with buyers across nearly every card category. Its grade is a single number from 1 to 10, which is simple to read and simple to compare. There are no subgrades to interpret; the overall grade is the whole story.

The biggest practical advantage of PSA is resale liquidity. Because so many collectors know and trust the label, PSA slabs tend to have deep, active markets and are often easy to sell at a predictable price. For many modern cards, especially popular ones, a PSA grade is the default that buyers expect. If your main goal is to sell quickly at a fair market price, PSA is usually the safe, straightforward choice.

BGS: subgrades and the Black Label

BGS (Beckett Grading Services) is best known for its subgrades. Alongside the overall grade, a BGS slab breaks the card down into four component scores, one each for centering, corners, edges, and surface. That detail lets buyers see exactly why a card earned its grade, which many collectors value on premium modern cards where the difference between a good and a great copy is subtle.

BGS is also home to the coveted Black Label 10, awarded when a card earns a perfect 10 on all four subgrades at once. It is rare and highly sought after, and it can command a strong premium over an ordinary gem-mint grade. If you have a pristine modern card and want the presentation and granularity that serious buyers appreciate, BGS is a compelling option.

CGC Cards: a comics pedigree and clear slabs

CGC (Certified Guaranty Company) built its reputation grading comic books before expanding into trading cards, and it brought that experience with it. CGC Cards is known for competitive turnaround and for a clear, well-regarded slab that displays the card cleanly. Like the others, it grades on the 1 to 10 scale and evaluates the same core condition factors.

CGC has grown quickly in the card space and has a strong following, particularly among collectors who already trust the brand from comics and other collectibles. Its markets are active and expanding. If you value presentation and turnaround, and you like the idea of a grader with a broad footprint across multiple collectible categories, CGC is well worth considering.

SGC: a vintage favorite in a clean slab

SGC (Sportscard Guaranty Company) is especially favored for vintage sports cards, where its reputation is long-established and respected. Its distinctive tuxedo slab, with a black inner border that frames the card, is popular for the way it presents older cardboard, and many vintage collectors specifically seek it out.

SGC is also known for fast turnaround relative to expectations in the hobby, which appeals to sellers who do not want their cards tied up for long. It grades on the same 1 to 10 scale as the others. If you are grading vintage sports cards, or you simply prefer the tuxedo presentation and a quicker process, SGC is a strong and well-regarded choice.

How to choose

There is no single best grader. The right pick depends on the card and your priorities. Weigh these factors:

• Resale liquidity: how easily and predictably the slab sells. If you want the broadest, most active buyer base, the most recognized labels tend to move fastest.
• Subgrades and presentation: if you want component scores and premium presentation on a pristine modern card, subgrades and special labels can matter.
• Category fit: some graders are favored for particular niches, such as vintage sports, so match the grader to what the collectors of that card expect.
• Cost and turnaround: fees and wait times vary by company and service level, so factor both into the total and into how long your card and money are tied up.
• Where you sell: check what buyers in your specific market prefer, because the same card can fetch different prices in different slabs depending on the audience.

New to grading altogether? Start with whether you should grade your trading card before you compare companies.

Decide before you pay

Whichever company you lean toward, do not submit blind. The order that saves money is always the same: estimate the grade first, then compare graded and raw sold prices for that exact card at the grade you expect. Inspect the four things every grader looks at, centering, corners, edges, and surface, and be honest about which grade the card is likely to earn. Then check whether a likely grade sells for enough more than the raw card, plus your total grading cost, to justify submitting at all.

If the premium clearly beats the cost, pick the grader whose label sells best in your market and submit. If the gap is small, keep the card raw. That single habit prevents the most common grading mistake: paying to slab a card that was never going to earn the fees back.

How Minti helps you pick candidates

Minti is built to answer these questions before you spend a cent. Its AI grade check looks at your photos, estimates centering, corners, edges, and surface, and predicts a likely grade across PSA, BGS, CGC, and SGC, so you can see how the same card might land with each company. Alongside that, Minti shows graded vs raw values from real market data, so you can weigh the premium a strong grade would add against the raw price.

Put those together and choosing gets easier: submit the gem-mint candidates where the premium clearly beats the cost, pick the label that sells best for that card, and keep everything else raw. Minti works across the cards collectors grade most, from Pokémon cards and sports cards to every other collectible you track in the app. It is free to download and includes a monthly allowance of AI scans, so you can screen your best cards without grading them all.