Integral Ad Science Holding Corp. provides digital advertising verification services. The company is headquartered in New York City, New York and currently employs 902 full-time employees. The company went IPO on 2021-06-30. The Company’s 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. Its Quality Impressions metric is designed to verify that digital ads are served to a real person rather than a bot in a brand-safe and suitable environment within 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 company has integrations with various advertising and technology platforms, including Meta, Instagram, Google, YouTube, LinkedIn, Amazon, Microsoft, and others. The company operates in the United States, the United Kingdom, France, Germany, Italy, and Singapore.