The reasons for installing a fence at a business are very similar to the reasons for installing a backyard fence at a home.
When many of us move into a new home, one of the first structures that we add to the yard is fencing. Why? Because a high quality, sturdy fence will be highly effective in keeping pets and kids inside your yard safe, and other animals or intruders out, will improve the appearance of the home, and will enhance privacy in the yard. These same benefits, Security, Improved Appearance and Privacy are equally applicable to a commercial enterprise.
This can also be the case for business owners like lawyers or accountants who would like to ensure privacy for their clients. It can be true if you own an apartment building or high rise.