Любимая CMS: Wordpress.
Навыки и опыт дизайнера.
If the WordPress theme Your site has no settings or they are not enough - You need this service.
Do You need functional expansion of the administrative part of your WordPress site.
Also, in the framework of solving the problem, will be additional plugins that help to solve the problem.
Functionality that requires this additional configuration should already be available on the website.