1. Thank you for your interest in our company.
非常感謝您來我們公司參觀。
還能這樣說：
Glad to have you visit our company.
We are really honored to have you visit our company.

2. I hope you will find everything satisfactory.
我希望您對一切都感到滿意。
還能這樣說：
I hope you are satisfied with everything.
I hope everything can satisfy you.
應用解析：
set one's hope on 寄希望于……；
beyond (all) hope 沒有希望；
build one's hope on 把希望寄托在……

3. Your company has a very good reputation, and I have been planning to visit for a long time.
貴公司一直享有盛名，我計劃來參觀已經很久了。
還能這樣說：
Your company is well reputed and I have been planning to visit it for a long time.
Your company is of repute and I have prepared to visit it for a long time.
應用解析：
live up to one's reputation 名副其實；
a blot on one's reputation 名譽上的污點；
have a reputation for sth. 因……而著名

4. I'm impressed by your approach to business.
你們經營業務的方法給我留下了很深的印象。
還能這樣說：
Your approach to business makes a strong impression on me.
Your approach to business impresses me.
諺語：
Business makes a man as well as tries him.
事業可以考驗人，也可以造就人。