Please suggest is there any wordpress plugin or theme available? whether its free or paid does not matter to me. I want to build a expert marketplace directory structure where all the profile will be browesable as per their location and expertise area
Checkout is a high-quality WordPress theme by Array built for marketplaces of any kind. https://arraythemes.com/themes/checkout-wordpress-theme/
Let me know if you have any questions about implementation, and I'd be happy to setup a call.