Audience Identity & Clean Rooms · AdTech Vendor · Data Provider / Broker
Semcasting
Identity resolution and audience activation for privacy-safe omnichannel advertising.
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Profile record updated:
Company facts
- Official name
- Semcasting, Inc.
- Entity type
- COMPANY
- Founded
- 2009
- Headquarters
- United States
- Company size
- 10–49
- Market cluster / sector
- Audience Identity & Clean Rooms
- Market role
- AdTech Vendor · Data Provider / Broker
- Official website
- semcasting.com
What Semcasting does
Semcasting operates a hybrid adtech platform model. It sells access to proprietary identity resolution, onboarding, enrichment, activation and measurement software to business customers, while also delivering managed campaign execution and modelling services for clients that want outsourced operations. The company creates value by improving match rates, reducing workflow fragmentation, enabling cross-channel audience activation and tying media outcomes back to deterministic identity signals.
Category differentiation
Semcasting is an adtech and identity infrastructure vendor for business customers, not a consumer media platform or a general-purpose CRM. It competes in identity resolution, activation and measurement rather than operating as a standalone DSP or publisher.
Strategic context
AI-supported assessment from the existing company research; distinguish interpretation from sourced facts.
Semcasting, Inc. is a private US adtech company that provides deterministic identity resolution, first-party data onboarding, audience activation and closed-loop measurement for advertisers and agencies. Its product stack includes self-serve SaaS platforms such as Audience Designer, ID ToolBox and IDX, alongside managed offerings such as Pipeline and Media & Modeling. The company connects client data to persistent identifiers, enriches audiences, activates campaigns across channels including display, social, CTV and audio, and measures outcomes through deterministic attribution. The company generates revenue through a hybrid model that combines software subscriptions and managed service fees. Its direct customers are brand marketers, performance marketing teams, data teams and media agencies that need privacy-compliant audience matching, cross-channel activation and campaign measurement without relying on third-party cookies. Semcasting’s core value proposition is an integrated workflow that links identity, activation and measurement in one operating stack.
Business model & monetisation
Semcasting monetises through a mixed software subscription and service fee structure. Audience Designer, ID ToolBox and IDX are commercialised as SaaS products tied to identity resolution, onboarding, enrichment, activation and measurement usage. Pipeline and Managed Services - Media & Modeling generate service revenue from campaign execution, modelling, attribution and reporting engagements, with pricing linked to service scope, media activity and data workflow usage. Data enrichment and identity services also support higher-value enterprise contracts.
- Self-serve identity and activation software
- Software Subscription
- Managed campaign execution and modelling
- Service Fee
- Identity resolution and data enrichment usage
- Pay-per-Use
Products & capabilities
No products with linked sources are available in this view.
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Competitors & alternatives
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Privacy-first adtech suite for identity, activation and measurement.
Identity and data collaboration software for advertising and measurement.
Privacy-first identity and measurement software for advertisers and publishers.
Enterprise identity, measurement and data platform for marketing and risk.
Identity resolution and programmatic activation platform for advertisers and retailers.
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Recent recorded signals
Dates refer to the source publication. Older entries are historical context, not evidence of a new event.
Newsletter - Match Rate, Issue #2
Recorded impact score: 2/5
In the second issue of the Match Rate newsletter, Semcasting analyzes key industry developments, including reports of Apple dynamically blocking ad serving domains and identity providers in Safari. The newsletter also details the Connecticut Data Privacy Act amendments that took effect on October 1, 2026, which ban the sale of precise geolocation data within 1,750 feet. Additionally, Semcasting covers industry updates regarding Google's antitrust damages trial, ChatGPT ad limitations, and AppLovin's lawsuit against Unity.
- Apple deployed an iOS 27.2 beta on October 5, 2026, to address ad serving blocks on The Trade Desk's adsrvr.org domain in Safari.
- Safari reportedly evaluates a dynamic blocklist that Apple can update remotely without release notes, potentially impacting hundreds of ad tech vendors.
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Questions about Semcasting
What is Semcasting?
Semcasting is a private adtech company that provides deterministic identity resolution, audience activation and closed-loop measurement software and services.
Who uses Semcasting?
Semcasting is used by brand marketers, performance teams, data teams and media agencies that need first-party data onboarding, identity matching and omnichannel activation.
How does Semcasting make money?
Semcasting makes money through software subscriptions for its identity and activation platforms and through managed service fees for campaign execution, modelling and measurement.
Sources & coverage
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21 publicly documented primary sources and citations linked across the market graph.
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