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ATDb — The AdTech Database — is a one-person project built to answer a question I kept running into: who are all the players in AdTech, and how do they connect? There wasn't a single place that mapped out the companies, the people, the deals, and the news in one interconnected view. So I started building one.
What you're looking at is a working beta with real data — over 3,000 company profiles (100% AI-enriched), 300+ people, 150+ industry deals and moves, 800+ news articles from 14 RSS feeds, 6,000+ mapped relationships, and 55 categories organizing the AdTech landscape. But it's not finished. Pages will change. Features will appear (and sometimes disappear). That's the nature of building in public.
The goal is to make ATDb the go-to reference for anyone doing landscape mapping in advertising technology. If you're trying to understand a category, research a company, or figure out how the ecosystem fits together, this should be the first place you check. Think IMDb, but for AdTech.
ATDb has gone from a concept to a full-featured platform. Here's what's live:
ATDb is a community-edited database. If you work in AdTech, you probably know things our AI doesn't — a company's correct headquarters, a recent leadership change, a product that launched last week. We want that knowledge in the database.
Registered users can suggest edits to any entity on ATDb. Every edit goes through a review process before it's published. As you build a track record of quality contributions, you'll earn higher trust levels with expanded capabilities.
We ask that all contributions be factual, neutral, and written in the third person. Promotional language, unverifiable claims, and competitive sabotage will be rejected. If you have a conflict of interest (e.g., editing your own company's profile), just disclose it and stick to verifiable facts. Full details are in our Community Guidelines.
Found a bug? Have an idea for a feature? The Feedback page lets you submit feature requests and bug reports, vote on existing ones, and follow along as things get built. It's the best way to shape what ATDb becomes.
ATDb is currently in invite-only beta. If you have an invite code, you can join here. If you don't have a code yet, you can still browse the full database — contributing edits and accessing member features requires an invite.
Where this goes depends on traction and support. Right now it's me, a database, and Claude. If people find it useful, I'll keep investing in it — more data, better pages, eventually an API. If you have thoughts, feedback, or want to contribute, I'd genuinely like to hear from you.
— Jon Holm, theatdb.com · jon@jonholm.com