Independent service provider of logistics who can do all functions required by clients is classified as?

One widow solution is only possible by 3PL. Because they don’t invest in assets only in have management, mostly they are using others resources. For example DHL, Panalpina, so many others.

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This full service logistics provider is called "Third part logistics provider"

 Third party logistics 3PL, will serve some or all of the logistics requirements of a customer such as freight, clearing, storing, handling (scanning,labeling,tracking), spare parts etc..

They can also provide specialized IT services related to logistics: Portals, Hosting, Analytics.

E.g. an express courrier for a B2B portal.

An SSS

Single Source for a Solution :-))

It is classified as a third party logistics provider.

3 if you are using a third party its a third party provider it can be for part or all. its irrespective if they are independant or part of a network of solutions provided by another party to you its still third party. the advantage of using a provider that will bring in other parties is to you management time and one point of contact.

Third Party Logistics Provider.

option 2. it private concern logistic business

The answer is 3 :- third party logistics provider

1. public held logistic provider