could you please proofread the following sentences:
1) If we win the necessary confidence and are allowed to work with you, we are obliged to come to the best result together.
2) Here, the answer lies in the explanation of the meaning of work and responsibility to your employees.
3) An exteral and independent service provider greatly benefits from being albe to give a realistic assessment of employees within a short period of time based on his professional competence.
Thank you very much.