Hello Alex,
Thank you for writing to us, please share your details on support@cedcommerce.com so that our team could look into your issue and suggest you the best extension available with us as per your requirement.
Moreover, you can have a look at our Best Selling product i.e. Multivendor Marketplace Platinum Package [M2], you will get this package in just $299 with much more features, For more details, you can refer below link:
https://cedcommerce.com/magento-2-extensions/marketplace-platinum-package
Thanks.