Audience

Describe.
Deploy.

Describe the audience in plain English. Atrium resolves it against your first-party data, partner segments (LiveRamp, Experian, TransUnion), and the Atrium Tag — then activates it natively on every channel.

Atrium — Audience Builder
Audience · Tech buyers, US, Q4
Composition
1st-party · CRM match412,308
1st-party · Pixel1.2M
LiveRamp · IT decision-makers3.4M
Experian · HHI > $150k8.7M
TransUnion · CTV viewers14.2M
Total reach27.9M
Overlap-deduped · refreshed daily
Activated on · 9 platforms
Meta · Custom Audience
Google · Customer Match
Hulu · Audience Match
Roku · OneView
TTD · 1st-Party
Magnite · Audience
Pinterest · Match
Snapchat · Custom
Privacy · PII hashed before activation. CRM data never leaves your vault.
3
Tier-1 data partners — LiveRamp, Experian, TransUnion
9
Native activation, every rail destinations, every audience
~5min
From audience edit to active everywhere
Prompt-to-audience

One prompt. One audience.

Write who you want to reach. Atrium blends your CRM, pixel, and customer match list with LiveRamp, Experian, and TransUnion — deduped and resolved against the Atrium Tag — into one audience, activated natively on every platform.

No rebuilding the same audience five times in five ad managers. No wondering why your Meta lookalike drifts from your Hulu segment.

1
Your CRM · 412k
Hashed match · refreshed nightly
1
Your pixel · 1.2M
Site visitors · last 90d
3
LiveRamp
B2B IT decision-makers
3
Experian
HHI, mosaic, lifestyle
3
TransUnion
TruAudience · CTV viewers
Native activation

Prompted once. Active everywhere.

Audiences aren't stored in a separate database. Atrium pushes them into each platform as native objects. Meta sees a Custom Audience. Google sees a Customer Match list. Hulu sees an Audience Match segment. The Trade Desk sees a 1st-party seed.

Update the prompt once. The change ripples to every platform in minutes.

Update once · 9 platforms in sync
Audience · Tech buyers Q4
Edited 2 min ago · added Experian HHI > $150k
Synced
→ Meta · Custom Audience updated
→ Google · Customer Match updated
→ Hulu · Audience Match updated
→ Roku · OneView segment updated
→ TTD · 1P data crosswalk updated
→ Magnite · Audience pushed
All 9 platforms in sync · 4m 12s
Privacy by design

Your data stays yours.

Atrium is a clean room. PII is hashed before it leaves your environment. Customer lists live in a SOC 2 vault. Spend, performance, and audience definitions are never used to train shared models or exposed to other advertisers.

You bring the data. Atrium does the routing. The edge stays with you.

Privacy Mode · Enabled
CRM data hashed before activation
Customer lists SOC 2 vault
Audience definitions your tenant only
Spend & ROAS local-only
No model training on your data
─────────────────────
GDPR · CCPA compliant by default

Describe once. Deploy everywhere.

One prompt resolves your audience across every rail. Privacy by design.