Why Custom Theme ?
Themes are files that work together to create the design and functionality of a WordPress site. Each Theme may be different, offering many choices for site owners to instantly change their website look . . .
A custom WordPress theme has a unique design, layout, and set of features that are made specifically for your business needs . . . . .
It is common to find cross-over between features found in themes and plugins. However, best practices are.
A theme controls the presentation of content, whereas
a plugin is used to control the behaviour and features of your WordPress site.