You're work speaks for itself! Thank you : )
Thank you for being patient and persistent!
Thank you for your patience and expertise!
Thank you for your hard work and dedication, you are appreciated : )
Awesome job! Always patient and thorough!
Thank you for making ideas come to life!
Creative and patient is key when working together, thank you for being awesome : )
Thank you for being timely, open to feedback and professional.
Thank you for being awesome!