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Integral Ad Science is a software company that checks whether digital ads are actually seen by real people and not by bots or on unsuitable websites.
Integral Ad Science, usually called IAS, is a software company that helps advertisers figure out whether their online ads are actually working. When a company buys ads on the internet, it wants to know: did a real person see this? Was it a human, or was it a computer program pretending to be one? Did the ad show up next to something embarrassing or harmful? IAS builds the tools that answer those questions. Its customers are mostly the people doing the advertising — big brands, ad agencies, and the platforms that sell ad space, like social media networks and streaming services. IAS charges them a fee, usually based on how many ads it checks. Think of it as a quality inspector for the messy, chaotic world of digital advertising.
The company makes money in a few main ways. Its core product verifies whether an ad was viewable by a real human and whether the surrounding content is safe and appropriate. A big and growing piece of its business is optimizing ad campaigns — not just checking them but helping advertisers spend their money smarter, in real time, so they get more attention for the same budget. Another piece focuses on social media and streaming TV, where ad spending is booming and the rules are still being figured out. A significant chunk of revenue comes from large platform partners and agency holding companies, and roughly half of its business comes from outside the United States, which tells you that ad fraud and ad quality are global headaches, not just American ones. IAS was founded in 2009, right around the time advertisers started panicking about bots clicking on their ads and wasting their budgets. It went public on the Nasdaq in 2021 through a merger with a special purpose acquisition company. The ad tech world is under growing pressure from regulators and privacy rules, which actually helps a company like IAS — because when there are more rules and more ways to cheat, advertisers need more independent referees. The company spends heavily on research and development to stay ahead of fraudsters and to build new tools for fast-growing channels like connected TV. In recent years it has done small acquisitions to add capabilities, including a deal to strengthen its social media measurement. If you want the one-sentence version: IAS is the company advertisers hire to make sure their digital ad money isn't being wasted on bots, bad placements, or invisible ads.
Saved answer · last researched 16 Oct 2026
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