WCG is a business services company based in the United States, specializing in research and development within the clinical research sector. Founded in 2012, the company has grown to employ between 1,001 and 5,000 individuals and reported significant revenue. WCG's published documents include guides and analytical reports that focus on the challenges faced by clinical research sites. One such document, the "Guide for Researchers," provides insights and resources aimed at facilitating research efforts. Another document, the "WCG 2024 Clinical Research Site Challenges Report," presents statistical analyses and findings related to the operational difficulties encountered by clinical research sites. These publications reflect WCG's commitment to supporting the clinical research community by addressing key issues and providing valuable guidance for researchers. The company’s expertise is evident in its focus on enhancing the efficiency and effectiveness of clinical research processes through informed analysis and practical resources.