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Brief
Semasio

Semasio

Provides privacy-compliant, semantic-based audience targeting and data management solutions that enable advertisers to reach relevant audiences without relying solely on third-party cookies.

semasio.comHamburg, GermanyFounded 2008

Last updated May 11, 2026 by the ATDb Editorial Team

Industry
Data Management Platform (DMP) / Audience Targeting
Business Model
SaaS
Target Market
Enterprise and Mid-Market
Employee Count
51-200
API Available
Yes
Market Position

Leading European DMP provider with strong focus on semantic targeting and privacy-compliant solutions

Overview

Semasio is a data management platform (DMP) and audience targeting technology provider specializing in semantic and contextual targeting solutions for digital advertising. The company offers advanced audience segmentation and data-driven targeting capabilities that help advertisers and agencies reach relevant audiences across programmatic advertising channels. Semasio's platform combines first-party, second-party, and third-party data with semantic analysis to create precise audience segments for advertising campaigns. Semasio has positioned itself as a key player in the European AdTech market, with particular strength in GDPR-compliant data solutions and cookieless targeting technologies. The company's semantic targeting approach analyzes content and context to understand user interests and intent, making it well-suited for the privacy-first advertising landscape. Semasio serves agencies, trading desks, and brands looking to improve their programmatic advertising performance through better audience insights and targeting precision.

Products & Features

Semasio DMP

Core data management platform for collecting, organizing, and activating audience data across advertising channels

Semantic Targeting

Contextual and semantic analysis technology for understanding content and user intent without cookies

Audience Builder

Tools for creating custom audience segments using multiple data sources and targeting parameters

Lookalike Modeling

AI-powered audience expansion to find similar users based on existing customer profiles

Key Features
Semantic and contextual targetingGDPR-compliant data processingCross-device audience identificationReal-time audience segmentationFirst-party data onboardingProgrammatic integrationCookieless targeting solutionsAudience analytics and insights
Use Cases
Programmatic display advertising campaignsAudience segmentation and profilingCross-channel campaign targetingCookieless advertising strategiesFirst-party data activationLookalike audience expansionBrand safety and contextual alignment
Customer Segments
Advertising agenciesTrading desksBrand advertisersPublishersDemand-side platforms (DSPs)
Connections

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