What it does: Semcasting Identity Graph links first-party identifiers such as email, postal address, device ID, and IP address into a persistent profile for a person or household using deterministic matching.
Graph scale: Semcasting says its identity infrastructure includes 1.8 billion mapped IP addresses, 450 million devices, 800 million encrypted emails, and 167 million US households.
Continuous updates: The graph continuously updates as new customer data, device changes, and address updates arrive, without manual refreshes.
Privacy architecture: Semcasting says first-party data is matched locally in a privacy-safe clean room, de-identified during processing, and never shared, sold, or used to build third-party segments.
Activation channels: The graph supports activation across programmatic display, CTV, social, email, direct mail, and in-store channels.
Matching and activation: Semcasting says records are matched to verified individuals, households, and devices with 85%+ match rates, and the graph can power activation across 40+ DSPs.
Integrations: Semcasting lists integrations including Google Ads, LinkedIn, Meta/Instagram, Pinterest, Reddit, TikTok, LiveRamp, Roku, StackAdapt, and The Trade Desk, and says it has 40+ DSP integrations.
Security and compliance: Semcasting lists SOC 2 Type II certification, CCPA compliance, NAI membership and certification, and participation in the DAA self-regulatory program.
Intended users: The product is described for enterprise brands and first-party data owners, data companies, vertical marketing platforms, direct-to-consumer retailers, healthcare organizations, and banks and lenders.
Healthcare use: Semcasting describes the healthcare identity layer as HIPAA-conscious and says it connects member data to digital channels without exposing PHI.
Pricing: The contact page directs prospective clients to sales for pricing; it does not state a price on the page.
Support response: Semcasting says its team responds to contact inquiries within one business day.
Company and founding: Semcasting identifies Ray Kingman as CEO and founder and says it was founded in 2009.
Purpose: The product connects first-party customer data into persistent identity profiles for targeting, suppression, attribution, and personalization.

Where it ranks on Freedom251

Best Identity Resolution Software in 2026#14 of 25

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Sources

semcasting.com/identity-graph· checked 7 Oct 2026
semcasting.com/aboutus· checked 7 Oct 2026
semcasting.com/contactus· checked 7 Oct 2026