Old Grangonian Club S.A. is a Chile-based sports, leisure, and real estate management company that owns, develops, and administers athletic, recreational, and social infrastructure primarily serving the alumni community of The Grange School, their families, and affiliated sports organizations. The company operates through dedicated sports facility administration, real estate asset management, and event hosting segments. Its core portfolio of products and services comprises sports infrastructure operations, including natural grass and synthetic turf rugby pitches, illuminated soccer fields, professional field hockey grounds, and clay tennis courts; athletic and wellness amenities, including swimming pools, fitness centers, training facilities, and clubhouse locker rooms; venue leasing and event production services, accommodating national sports championships, youth sports academies, British League tournaments, corporate retreats, and private social functions; and clubhouse hospitality services, providing catering, dining, and social assembly spaces. In recent developments, Old Grangonian Club S.A. has implemented infrastructure modernization and field maintenance programs across its athletic complex to sustain premier domestic athletic competitions; adopted enhanced corporate governance, social, and environmental reporting standards under Chilean Financial Market Commission (CMF) General Character Rule No. 461; and reinforced its operational collaboration with the Old Grangonian Club sports corporation to support multi-discipline sports programs and championship events, including the 2024 Chilean national rugby Top 10 campaign. Founded in 1954 and originally incorporated as Old Grangonian Club Inmobiliaria S.A., Old Grangonian Club S.A. is headquartered in Colina (Chicureo), Santiago Metropolitan Region, Chile, and trades on the Santiago Stock Exchange under the ticker symbol OLDBOYS.