​ Drilling: This is a common technique used to fix metal signs on walls. Holes are drilled in the metal and then anchored to the wall using screws or bolts.​

​ Adhesive: Adhesives such as silicone, epoxy, or double-sided tape can be used to mount metal signs onto walls or other surfaces. This is a commonly used method for interior signage.​

​ Welding: Welding is a permanent and sturdy method used to fix metal signs to poles, frames, or other supports. It is typically used for large, heavy signs.​

​ Stand-off mounts: These are metal rods or caps placed between the sign and the surface it is mounted on. The cap is secured to the wall or structure, and the sign is attached to the cap itself. This gives the sign a unique three-dimensional appearance.​