About Deep Sync

We connect your company to real people behind the data.

Behind every fragmented dataset are real people. Most companies see disconnected signals, duplicate profiles, and anonymous activity.
We connect the dots with deterministic identity, not guesses.

Deep Sync is the AI-driven identity datatech helping brands, agencies, and platforms turn fragmented customer data into a clear, actionable understanding of real people, households, and audiences.

The shift

In a world built on assumptions, the difference between guessing and knowing changes everything.

Other PlayersMost identity solutions

Guess.

Probabilistic graphs optimized for scale. Duplicate profiles. Match rates that collapse the moment a cookie expires. Audiences built on inference and hope.

  • Probabilistic matching with lower accuracy
  • Inference where deterministic signals fail
  • Scale optimized over truth
Deep SyncWe

Know.

Deterministic identity: real people, real households, real connections. Built on 35+ years of offline and online data expertise and engineered for the privacy-first era.

  • Up to 99% accuracy on PII matches
  • Deterministic-only identity graph
  • Truth optimized over scale
Company overview

We're a datatech company built by people who care about outcomes.

Know your customers, connect fragmented identity signals across devices, expand beyond your base to grow addressable audiences, deliver and activate audiences everywhere you need them. Deep Sync gives organizations the accuracy, speed, and interoperability to improve addressability, reduce wasted media, and create more relevant customer experiences. All with privacy by design at the core.

35+

Years of data heritage

Offline and online data expertise is behind every match we make and every audience we build.

One

Deterministic identity graph

270MM+ US consumer identities resolved across devices, channels, and households.

500+

Activation endpoints

Onboarding and delivery to today's leading marketing platforms as well as traditional channels.

A shopper paying by phone, surrounded by the identity signals Deep Sync resolves
Heritage

More than 35 years of data joined into one graph.

Deep Sync is the unification of four direct marketing industry veterans. The dates below note when each company was originally founded.

The next step

Ready to stop guessing?

Understand. Connect. Expand. Activate. No matter the need, you'll see exactly what real identity can do.