SpotGuide is hight performance directory WordPress theme. Main focus is the listing functionality. It is possible easily add new listing post types or you can use well prepared already existing listing types.
Theme bundles fields plugin which allows to create and assign new metaboxes and fields to listing post types. You don’t have to edit the source code to add new field.
If you are looking for stable solution which has high quality codebase, you are on the right place. Find good developers and use this theme as the starter framework for your new business. You will get great value for a small price. Theme has tons of WordPress actions and template engine which allows you to extend the functionality as needed.