The global health economics and outcomes research (HEOR) market was valued at USD 1.50 billion in 2024, supported by a rising wave of mergers and acquisitions among leading companies. The market is projected to grow at a CAGR of 13.50% from 2025 to 2034, reaching USD 5.32 billion by 2034. https://www.expertmarketresearch.com/reports/health-economics-and-outcomes-research-heor-market/companies