D2O is a consulting firm established in March 2000, focusing on hotel and catering industries, with over 300 customers and significant growth. Their PMI software aids revenue and productivity management, demonstrating substantial financial benefits such as a 3.53 million increase across 50 properties and savings in labor and food costs. D2O guarantees a 500% return on investment within 12 months, aiming to empower management with actionable insights for improved profitability.