Clean soundboard underneath strings.
Repair chipped ivory and plastic keytops
Polish and topcoat with lacquer for brass
The best are made of highest quality woven wool. Covered battens on bottom side keep cover from touching strings for minimal dampening of sound. Improves tuning stability. Remove for special occasions. Order from a custom maker of string covers. Several companies are online.
Too often damage occurs when a piano is being moved. I have repaired many front bottom corners of grands that were not properly protected or the piano was dropped. Especially if it is a grand, the complexity of successfully moving it dictates the need to hire a company that specializes in only moving pianos.
Large moving van lines will usually represent that their personnel are knowledgeable in moving pianos. As someone who has been given a LOT of job security over the years by those large moving companies, my advice is to seek out the services of a specialized piano moving company to save you the frustration of needing the services of a piano touch-up specialist.
For a long distance move, hire the specialized piano mover to pack your piano onto a skid board that you purchase, have them load and strap it into the truck of the long distance moving van lines. Then reverse that process on the other end with a specialized local piano moving company in your new area to unload and move it into your new home. Get a referral of a good piano mover on the other end from one of the following: a high-end dealer (such as Steinway), a Registered Piano Technician, a high-end music school or piano teacher, or a large church