Thank you for all your diligent work in this matter.  I appreciate the professionalism you have shown.

Thank you Phil for all of your patience, wisdom and hard work!  You came highly recommended and this was well merited.

I just want to thank you again for all of your hard work.  It was an impressive show of expertise and professionalism and I shall be forever grateful.

Thank you again for all the work and patience you put into this case.  It made such a difference for me to have such a thorough and supportive person on my side!

I wish to express my gratitude for the services  which I have received from you.  Thank you very much for the services you were able to provide me in my time of need.