I am much obliged to you for your help.
助けてくださって本当にありがとうございます。
I am very much obliged to you for your help.
私を助けてくださって本当にありがとうございます.
ご親切に助けてくださってありがとうございます
I am much obliged to you for your kind help.
I am much obliged to you for your help.
Thank you for your help and kindness.
I am more than grateful to you for your help.
I greatly appreciate your help.
We appreciate your help.
ご協力のほど、よろしくお願いします。
Thanks in advance for your cooperation.
私を手伝って下さってありがとうございます。
I'd like to thank everyone for their support.
手伝っていただいてありがとうございます。
Thank you for using our services.
Thank you for shopping with us.
ご協力のほど、よろしくお願いいたします。