About KZA
Building trusted grading standards in the United States
KZA Certification is an independent card authentication, grading, and certification service. We are here for sports card and trading card collectors across the United States with a process that is transparent, documented, and publicly verifiable.
The sports card and trading card hobby in the United States is growing rapidly, and collectors deserve a trusted grading partner that follows international best practices with transparent, documented processes.
Our team separates the roles of intake, authenticator, grader, senior grader, encapsulation, and quality control to ensure no single person can unilaterally determine the final certificate result.
Every grade change, certificate issuance, and certificate revocation is recorded in an internal audit log to protect the long-term integrity of the KZA card population.
Facilities
KZA facilities are located in the United States, New Hampshire, with access to insured couriers. The grading rooms are lighting-controlled and monitored by 24-hour cameras.
- Operational zone
- US/Eastern (ET)
- Customer service
- Monday–Saturday
- Language
- English
Integrity
Every grading decision is made by independent graders with no conflict of interest between card sellers or buyers.
Transparency
The submission flow, status history, and grading results can be publicly verified via certificate number and QR code.
Consistency
Grading standards are documented, periodically retrained, and supported by senior review for high-impact cards.
Community
KZA was built by and for collectors across the United States — we are building a healthier and more trusted hobby ecosystem.