Main Street Research is an investment management firm founded in 1993, headquartered in Sausalito, California. They offer services such as investment advisory, performance-based fees, active risk management, and no-cost wealth planning. Their target audience includes individuals, families, and foundations seeking long-term financial security. The unique selling proposition is their fee structure tied to asset value or performance, aligning team goals with client success. They also emphasize community involvement and environmental responsibility, holding a Bay Area Green Business designation[1][2][3].