Thank you for taking a few minutes to share your feedback on our collaboration.

I'm particularly interested in learning about the concrete outcomes you've observed in the months following our project (ROI): increased visibility, audience growth, commercial impact, enhanced brand awareness, or any other measurable benefit.

<< Your testimonial not only helps demonstrate the long-term value of my services, but also supports my ongoing improvement. This post-project testimonial may be shared on my social media platforms, website, or other professional channels to inspire future collaborators and showcase the tangible results my services can deliver >>.