they shouldn't even have access to your private keys to want to give them to you in first place. so if they did, it means you really had no control ever over your coins and what you had was not a wallet but a poor account with the company controlling your money. as a result you should stay away from it.
even if they didn't you should still stay away from any closed source wallets that nobody knows what they are doing under the hood.

you still need to know the derivation path which you don't.