Translation of sublease in German

I know it is a little confusing. The problem is if the original word is a conjugated verb: I skipped them until now. I did not write it in my explanations. It actually must be skipped. Thanks for noticing.
You can return the favor and help me too. We will acquire the new language together. I like to learn Spanish. Since high school, I have learned much more but it has been more than 20 years ago.
I want to apologize to you for my late response. It was important for me to meet first with Mr. Kaufler in Zurich and to discuss the situation between the two companies. Now I know more.