1972Founded
A source compiler of student and young adult audiences.
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.
- xx % match accuracy, verified
- Deterministic-only identity graph
- Truth optimized over scale
Company overview
We're a datatech company built by people who care about outcomes. Yours, not just ours.
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.
3
Offices across the US
Kirkland, WA · Fort Myers, FL · Belton, MO
1
Deterministic identity graph
270MM+ US consumer identities resolved across devices, channels, and households.
120+
Activation endpoints
Onboarding and delivery to today's leading marketing platforms.
Why Deep Sync
Three reasons our clients stop guessing.
The accuracy pillar
Most identity solutions guess. Deep Sync knows. Our deterministic identity approach delivers the accuracy modern marketing depends on, making every match, activation, audience, and measurement more accurate from the start.
What that means
- Real people, real households, real connections
- XX% match accuracy on first-party files
- 5,500+ individual- and household-level attributes
- Truth optimized over scale, by design
The speed pillar
Speed without accuracy is noise. Accuracy without speed is too late. Deep Sync delivers both: deterministic identity and AI-powered workflows that move audiences from onboarding to activation across today's leading platforms, fast and without operational complexity.
Built for modern teams
- AI-driven workflows
- Hundreds of marketing and CTV activation endpoints
- Self-service audience platform
- Match-test files delivered in hours, not days
The trust pillar
Privacy isn't a feature we added later; it's a foundational principle that has shaped how Deep Sync operates. We prove that knowing your customer and protecting their data can, and should, happen together.
Engineered into every record
- SOC 2 Type II certified
- Strict federal and state-level privacy is observed
- Opt-outs are accepted and processed across all states
- All opt-outs are treated as full "Do Not Sell" requests
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.
1988Founded
A source compiler of consumer and residential datasets.
1990Founded
A leading provider of direct mail data and data-related services.
2005Founded
A source compiler of new mover and new homeowner datasets.
2022Unified
Cross-channel identity, data solutions, and onboarding experts, combining four heritage data companies into one deterministic graph.
Proof, not promises. The numbers are audited and earned.
270MM+
US consumer identities
99.4%
Match accuracy across resolution workflows
120+
Activation endpoints across leading platforms
The next step
Ready to stop guessing?
Understand. Connect. Expand. Activate. No matter the need, you'll see exactly what real identity can do.