The differentiation between companies, products, and services is decreasing while competitiveness is growing, exposing organizations to greater uncertainty. This is especially true in sectors where market survival and business success increasingly depend on the creativity and effectiveness of sales teams, as well as their persuasive abilities with direct client contacts. The psychological and human factor powerfully influences the final purchase decision, as well as the trust-building process. We will strengthen commercial skills by developing the ability to influence and sell more effectively. We will focus on proactive attitudes, empathy, and negotiation techniques that allow differentiation in highly competitive environments.