A Butler should not have his hands on his back when delivering or serving. During royal events, a Butler ought to keep his arms by his sides, and the hands must be folded away gently. 6. Each time a Butler wants to enter a room, he should knock on the door thrice.

The etiquette of a professional butler is defined by discretion, "anticipatory" service, and invisible efficiency. A butler must maintain a dignified yet modest disposition, often referred to as a "presence without a shadow." Key rules include never using "yes" or "no" (opting instead for "Certainly, Sir" or "Very well, Madam"), knocking thrice before entering a room, and always delivering letters or newspapers on the principal's writing side. They should avoid pointing with a finger, using an open hand instead, and must never receive thanks for themselves, acknowledging it on behalf of the household. In 2026, this etiquette remains a blend of traditional Victorian standards and modern service high-touch, ensuring that the household runs seamlessly while the butler remains the most senior, yet most humble, member of the staff.