GCC Grading is a professional authentication and grading service for collectibles — banknotes and sports cards. ZTABS built the platform that runs the certification programs (sticker authentication on PMG/PCGS-certified notes, pre-grading stickers for sports cards), the consultation booking surface, and the tiered membership system with submission allowances.

GCC Grading is a saas project built by ZTABS. The challenge: [object Object]
PMG and PCGS dominate the formal grading market but leave gaps for value-tier collectors and for ancillary services like authentication-only stickers. Buyers in the secondary market need a faster, cheaper trust signal, and dealers need a tiered submission program that doesn't force them to pay full grading every time. GCC needed a platform that supported a full sticker-certification workflow plus consultation services.
We built GCC Grading as an end-to-end submission and certification platform. Members submit items, the expert review workflow tracks each through authentication, the certificate-issuance system applies QR-verified stickers, and the member dashboard tracks every submission's stage. Tiered membership plans (free / standard / premium) carry different submission allowances and consultation hours. Industry experts can be booked through the consultation surface for one-off appraisals.

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GCC Grading is a saas project delivered by ZTABS. GCC Grading is a professional authentication and grading service for collectibles — banknotes and sports cards. ZTABS built the platform that runs the certification programs (sticker authentication on PMG/PCGS-certified notes, pre-grading stickers for sports cards), the consultation booking surface, and the tiered membership system with submission allowances.
GCC Grading is a professional authentication and grading service for collectibles — banknotes and sports cards. ZTABS built the platform that runs the certification programs (sticker authentication on PMG/PCGS-certified notes, pre-grading stickers for sports cards), the consultation booking surface, and the tiered membership system with submission allowances.
Yes — we apply the same engineering approach to every client project. We start with a free discovery session to understand your requirements, then provide a detailed scope and estimate. Visit ztabs.co/contact to get started.
GCC Grading is a saas project delivered by ZTABS. We specialize in building saas solutions for businesses across multiple industries.
Timelines vary based on complexity. A project similar to GCC Grading typically takes 8-20 weeks from discovery to launch, depending on the scope of features, integrations, and customization required. We provide detailed timelines during our free consultation.
We do not just one-off case studies — we build and run production products on the same patterns shown above.
We don't just contract — we ship and operate our own software. 23 products in production.
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