I am always grateful for your deeds.
I always appreciate having your cooperation.
I appreciate your valuable efforts.
I appreciate your assistance.
I am always grateful to have met you.
I appreciate all your help.
I appreciate your hard work on this.
I am grateful to have your consideration.
I am much obliged to you for your kindness.
I am very grateful to have you handle this matter.
I appreciate your actions.
I deeply appreciate what you have done for me.
I appreciate your understanding about my situation.
At any rate, I would like to thank you all.
I appreciate that you always care about me.
We would like to sincerely thank all of you.
Thanks for your consideration.
We are very grateful for the constant correspondence from all of you.
I am grateful for your kindness and efforts.