The Short Answer
- 5 types of graders exist: Tier-1 majors, TCG specialists, AI-powered, regional, and budget options.
- Tier-1 (PSA, BGS, SGC) command maximum resale value — essential for investment cards.
- TCG specialists (CGC) understand Pokemon/Magic better than sports-focused graders.
- AI graders (TAG) offer sub-grade transparency via QR-linked digital reports.
- Regional graders offer convenience for UK/EU/Canada collectors but weaker resale markets.
The 5 Types of Card Grading Companies
Tier-1: PSA, BGS, and SGC
The "Big Three" process 95% of graded cards and command strongest resale values:
| Feature | PSA | BGS | SGC |
|---|---|---|---|
| Starting Price | $79.99 | $20 | $25 |
| Sub-Grades | No | Yes (4) | No |
| Best For | Modern | Sub-grades | Vintage |
| Resale Tier | 1 | 1 | 1 |
TCG Specialists: CGC
CGC specializes in Trading Card Games (Pokemon, Magic, Yu-Gi-Oh!). Their comic grading heritage brings archival expertise. CGC 10 Pristine requires all sub-grades at 10 — stricter than PSA 10.
AI-Powered Graders: TAG
TAG uses AI + human hybrid grading with QR-linked digital reports showing exact measurements. Sub-grades are transparent and consistent.
| Feature | Traditional | AI (TAG) |
|---|---|---|
| Consistency | Human variance | Algorithmic |
| Reports | Grade only | Digital + photos |
Regional Graders
Regional companies serve local markets to avoid international shipping:
- ACE, PCA, GetGraded — UK/EU focus
- KSA — Canada
Budget Options
ISA, GMA offer low-cost grading ($8-15) but minimal resale value. Best for authentication and protection, not investment.
| Company | Price | Resale |
|---|---|---|
| ISA | $12 | Low |
| GMA | $8 | Minimal |
Which Type Is Right for You?
- Max resale value
- Investment cards
- Active selling
- Pokemon/Magic cards
- Lower cost than PSA
- TCG collection
- UK/EU/Canada location
- Avoid US shipping
- PC focus
- Cards under $100
- Just need authentication
- Never selling
Frequently Asked Questions
What are the best sports card grading companies?
The best sports card grading companies are PSA, BGS, and SGC (the Tier-1 majors). PSA leads for modern cards and maximum resale value. BGS offers detailed sub-grades and lower pricing. SGC dominates vintage cards with fast turnaround and elegant presentation. All three command strong resale premiums. Other options exist but have weaker secondary markets.
What are all the card grading companies?
The 15+ grading companies include: Tier-1: PSA, BGS, SGC; TCG: CGC; AI: TAG, AGS; Regional: ACE, KSA, PCA, GetGraded (UK/EU/Canada); Budget: ISA, GMA; Pre-screening: PreGradeCards, CardGrade.io. Only PSA, BGS, and SGC have established strong resale markets.
Can card shops grade cards?
No — card shops cannot provide official PSA/BGS/SGC grades. They may offer opinion-based condition assessment or pre-screening to help you decide which cards to submit. Some shops act as group submission middlemen, batching customer cards together for PSA/BGS submission. The actual grading is always done by the official companies.
Can a card get regraded?
Yes — you can submit a graded card for "crossover" grading. PSA will crack the slab and regrade. About 40% of BGS 9.5s earn PSA 10. Regrading is common when collectors believe a card was undergraded. It costs the same as raw submission ($79.99+) plus risk (could grade lower). Some use AI pre-screening first to assess crossover probability.
Can you grade a graded card?
Yes — this is called crossover grading. Submit your PSA/BGS/CGC slab to another company requesting crossover. If the new company agrees the card meets their standards, they'll crack the old slab and regrade. Common for trying to convert BGS 9.5 to PSA 10. Costs regular submission price plus risk of lower grade. Success rates vary: BGS 9.5 → PSA 10 is ~40%.
Sources & Further Reading
With submission floors rising, pre-screening is no longer optional. Use our AI Pre-Grade Calculator to score a card's PSA 10 odds before you pay, and the Submission Planner to pick the right tier.