Mobile App and
Cross-Screen Retargeting

ActionX is the leader in mobile app and cross-screen retargeting. We work with the biggest transactional brands to drive cross-screen revenue and maximize lifetime value.

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Select Clients

"Since starting our engagement with ActionX, JackThreads has realized an impressive return on ad spend, and we are excited to expand our partnership as we enter the holiday season.”

"ActionX has enabled us to reactivate our users in a very cost efficient way. We're seeing much higher click-through and app-launch rates than we thought possible."

Mobile App and Cross-Screen Retargeting

Automatic, deep segmentation based on your users’ activity—down to the product level.

Dynamic creative with messaging tailored to each user, designed to drive significant RoAS lift.

Easy implementation with our Crossfire tags, or share data with us from our direct integrations with mobile analytics providers (AD-X, AppsFlyer, Apsalar, HasOffers, Kochava, TapSense, etc.).

Cross-screen attribution connects users’ activities across devices for understanding, behavior, and attribution.

RoAS optimization focuses marketing activity on what drives revenue.




ActionX knows e-commerce, mobile and media. Our team has collectively acquired more than 25 million customers and driven more than $1B in e-commerce and subscription revenue.

Evan Schwartz

Evan Schwartz

CEO & Co-founder

Scott Marshall

Scott Marshall

COO & Co-founder

Edwin Watkeys

Edwin Watkeys


Jeff Carr

Jeff Carr


Andrew Sternthal

Andrew Sternthal

SVP Business Development

We're Hiring

Account Executive - West Coast

ActionX is looking for a seasoned Account Executive for our West Coast office. The candidate will be based in our San Francisco office and will be responsible for selling ActionX's mobile and cross screen retargeting solution to advertising agencies and brands. As an Account Executive, you will be part of a dynamic sales team that is smart, organized, thorough and proactive. You will have an opportunity to work and learn from a seasoned team who knows success and has a proven track record of growing companies at all stages.
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Front-end Web Developer

We're seeking a software engineer with a computer science background to focus on enhancing our client management console and other internal web-based tools. You should be experienced with a variety of client side web application technologies and frameworks including jQuery, Angular.js, Underscore, D3.js, and/or other modern Javascript-based technologies. We highly value experience working as part of a team using Git for version control.
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Server Application Engineer

We're also looking for an experience back-end software engineer to help build out our back-end infrastructure. We develop technology using Java, Clojure, Python, and systems constructed atop standard Unix and Linux tools. You should be familiar with distributed version control using Git. A computer science background is critical, as is an ability to understand when you would want to, for example, solve a problem with an SQL database versus an in-memory key-value store.
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Contact Us

ActionX - Headquarters
520 Broadway, 5th floor
New York, NY 10012

ActionX - West Coast Office
1161 Mission Street, Penthouse
San Francisco, CA 94105