QUESTION:
Does your extension work with tier prices?
ANSWER:
Our extension works with tier price, here is our test for reference https://www.loom.com/share/c5523f8245034ab3855d8c1940fc936a.
With the module, you can change the price of the products in the backend for customer.
For more product information, please refer our Magento 2 Request for Quote page.
If you need further assistance, please don't hesitate to contact us.