The customer was experiencing poor Wi-Fi performance in three offices at various European locations. After the initial contact from the customer, who detailed us with the problem, we proposed to conduct a thorough audit of the Wi-Fi network to verify: performance, installation, and configuration of the current setup. Based on the current situation and found issues, the target was to provide a list of suggested improvements. This case study describes details of the conducted Wi-Fi audit including the problem detail, conducted activities, suggested adjustments and post-audit effects.