Contextual Audience Extension

Advanced Contextual Targeting Solutions

Transform your first-party data into advanced and scalable digital advertising campaigns.

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Do more with your data

Maximize the potential of your 1PD. Discover previously untapped audiences that share interests and behaviors with your current customers and extend the reach of your campaigns.

1 Billion+

Stable user profiles

2.5 Billion+

Pages scanned each month

One definition
for people and pages

Use predictive modeling powered by real consumer insights to find look-alikes and discover related pages for targeted engagement.

Gain semantic insight into the addressable internet

Uncover connections between consumers and content

Swiftly predict and target related pages

Target based on semantic similarities

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Understand consumer interests and intent

Gain valuable insights into the needs and desires of consumers, allowing for effective adaptation to changes in sentiment, behavior and preferences.

Target content with a similar semantic fingerprint to your ideal audience

Uncover hidden consumers within your market

Engage relevant audiences more cost effectively

Comprehend pages and users on an individual level

Dominate with data

Utilize a data-centric strategy to target audiences and context for maximum impact.

Leverage your first-party data for unmatched accuracy

Uncover a range of topics relevant to your audience

Target related pages and expand your reach

Maintain control with a fully transparent solution

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Influence like never before

Engage consumers in meaningful contexts and at their most receptive moments through strategic ad placement.

Reach your ideal audience in their preferred spaces

Outpace competitors with unique ad placements

Amplify engagement and expand your reach

Deliver personalized messages that matter in the moment

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"Traditional modeling of TV viewership data relies on cookies and audience segments, Semasio provides us with cookieless modeling that predicts where the specific TV audience will be online."

Ronan Higgins


Exceptional marketers exceed expectations

Our clients are achieving exponential results with the compound benefits of Semasio contextual audience extension.



A Danish auto manufacturer significantly reduced eCPA compared to audience exclusion strategies while taking a privacy-first approach to identify and engage with consumers.



A UK media group targeted a very specific audience at scale while keeping strict privacy concerns in mind and delivered a drastically lower CPC compared to the campaign average.

Get up and running

Combine audiences + context and find your targeting superpower

Advanced targeting for advanced marketers

Transform first-party data into advanced and scalable digital advertising campaigns to reach current customers and discover previously untapped audiences.

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Create the seed audience based on your desired dataset

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Identify audience interests

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Model the overlap between people and pages

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Fine-tune and push to your desired activation platform

White-glove service without white-glove costs

When you need the ultimate performance, our team of experts combines the accuracy of audiences with the reach of contextual targeting to outperform on your campaign goals.

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Define the target based on campaign goals

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Create the seed audience based on 1PD, lists or semantic topics

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Identify audience interests based on seed content consumption

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Predict other relevant topics and content by modeling inputs

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Based on campaign goals, balance reach and affinity to fine-tune contextual targets

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Push to platform and Activate