Remove all shipment/carrier alternatives to customers but keep them for backoffice/admin

[beppe34]

I am changing my E-Commerce platform ( a very old and much modified version of osCommerce ).
I am considering Prestashop as an alternative.

Is it possible to configure Prestashop for the following scenario:
(it's a B2B store)

- Customers add products to the shopping cart.
- Customers go to checkout and select/register delivery and billing address
- Customers click on "confirm" and the order is created in Prestashop
-------------------------
- Backend personnel confirm the order (possible to make adjustments).
- Backend personnel specify payment method
- Backend personnel specify delivery method (DHL, Schenker, other...)
- The order is shipped and tracking information is attached to the order

Can Prestashop handle a process like the above?
if so - any suggestions for how to configure Prestashop are gratefully received.

As a summary:
I would like to remove shipment and payment options from customers - they will be set by backoffice employees.

[El Patron]

For this the best solution we have found is 'quote', here are some modules on addons

https://addons.prestashop.com/en/search?id_category=438&search_query=quote

You may want to consider hiring an agency to migrate to PS, build the front end and add the features you desire, I say this because one person only cannot really build a very good shop, just  to many things to know.