Intelligence marketplaces for the world's collectors

We build platforms where collectors make informed decisions — aggregating listings across sources, providing deep intelligence on every item, and building the tools that serve collectors from first purchase to lifelong obsession.

The intelligence layer is the product

Every collectible market has the same problem: transactions happen across fragmented platforms with no intelligence layer between the buyer and the purchase. Collectiom is that layer — sitting between the collector and the listing, so every decision is made knowing more, not less.

1

Aggregate

Listings from eBay, auction houses, and specialist dealers — the full marketplace, in one place, for every item that exists.

2

Inform

Every item gets a persistent intelligence profile — price history, edition hierarchy, condition data, variant identification.

3

Equip

Portfolio tracking, price alerts, AI identification, want-list matching. Tools that compound a collector's knowledge over time.

Every item is a landing page

Every collectible has its own page — the full record of what it is, what it's worth, how to identify it. Available whether the item is for sale today or not.

The complete catalog

Every notable item in the category — covered from day one. No gaps. Whatever you're researching, it's already here.

Each marketplace fits its category

The football-card site doesn't look or work like the rare-book site. Each platform's visual language, tools, and voice are shaped by the culture of the collectors it serves.

Refractor International

The world's premier football card intelligence marketplace. Every card gets a persistent profile with price history, population data, and parallel identification. Chrome material design system. Collector Intelligence AI that knows every set, every parallel, every player.

refractorint.com →
Haaland Bellingham Yamal Zlatan Brolin Henrik Larsson
Private library Rare books Book collection

Pressmark

Rare book intelligence marketplace. The Rarity Pyramid visualises the complete edition hierarchy — from true first to mass market — with live pricing at each tier. Condition Price Matrix, identification points, and collector tools for building a world-class library.

pressmark.co →

BLISTER

Vintage toy intelligence marketplace. Variant identification is the killer feature — colour changes, head sculpts, packaging variations, country exclusives, factory errors. The differences that turn a $50 figure into a $5,000 one. Grade Ladder with live AFA pricing across every condition tier.

Coming 2026 →
Vintage toy shelf AFA graded figure Vintage toys

Broadside International

Vintage poster intelligence marketplace. The Gallery System — every poster framed and presented with curatorial precision. Broadside Condition Assessment, Rarity Pyramid edition hierarchy, and ten categories spanning travel, Art Nouveau, film, psychedelic, propaganda, and beyond.

broadsideint.com →