OMC vs ILMN Comparison

Omnicom is a holding company that owns several advertising agencies and related firms. It provides traditional and digital advertising services that include creative design, market research, data analytics, and ad placement. In addition, Omnicom provides outsourced public relations and other communications services. The firm operates globally, providing services in more than 70 countries; it generates more than half of its revenue in North America and nearly 30% in Europe. The firm announced plans to merge with Interpublic Group in December 2024, pending regulatory approval.

Illumina provides tools and services to analyze genetic material with life science and clinical lab applications. The company generates over 90% of its revenue from sequencing instruments, consumables, and services. Illumina's high-throughput technology enables whole genome sequencing in humans and other large organisms. Its lower throughput tools enable applications that require smaller data outputs, such as viral and cancer tumor screening. Illumina also sells microarrays (9% of 2024 sales) that enable lower-cost, focused genetic screening with primarily consumer and agricultural applications.