Integral Ad Science Holding Corp. provides digital advertising verification services. The company is headquartered in New York City, New York and currently employs 835 full-time employees. The company went IPO on 2021-06-30. The firm offers advertising verification, optimization, and contextual targeting services. Its cloud-based technology platform provides actionable insights and delivers independent measurement and verification of digital advertising across all devices, channels, and formats, including desktop, mobile, connected TV (CTV), social, display, and video. The Company’s Quality Impressions metric is designed to verify that digital ads are served to a real person rather than a bot, viewable on-screen, and appear in a brand-safe and suitable environment in the correct geography. The company helps advertisers optimize their ad spend and better measure consumer engagement with campaigns across platforms, while enabling publishers to improve their inventory yield and revenue. The firm operates in the United States, United Kingdom (U.K), France, Germany, Italy, Singapore, Australia, France, Japan, and India.