Hi {{first_name}},
Loved your post on [topic]. Your point on [specific point] was spot-on.
I’m working on a piece about [related topic] and thought {{company}} could add value. We helped [Client] boost [metric] by [percentage].
Can we discuss a collaboration? Free content strategy call—3 spots this week.
Reply to book.
Best,
[Your Name]
P.S. My work’s been featured on [credible site].