I will convert your existing wordpress site to multsite network

About:

Wordpress Multisite Network Setup

I can do the following

1 - I can convert your existing wordpress site into multisite network.

2 - I can install wordpress multisite installation from the beginning on new domain/directory.

3 - I can extract a single domain from multisite network

4 - I can add custom domains to multisite network

5 - I can migrate a standalone website to your wordpress multisite network.