How do you say this in Japanese: I'm sorry for being a bother to you.?

Question:

or
I'm sorry for bothering you.

Answer:

迷惑をおかけして、申し訳ありません。
Meiwaku wo kakete,moshi wake arimasen.
Rougly translated ： For all the trouble I have caused, I have no excuses.
Translated : I am sorry for being a bother.
If you want to make it more direct and refer to the person you are talking to ,You can add あなた/ Anata to the beginning, which would mean, I am sorry for being a bother TO YOU.