LinkedIn - is it kosher to...

[encapman]

I'd say that if it's done tactfully there shouldn't be a problem. In fact that's the basic intent of LinkedIn. It's a B2B social media platform essentially for lead generation and networking.

You might also want to read this book...
LinkedIn Riches: How to Leverage the World's Largest Professional Network to Enhance Your Brand, Generate Leads and Increase Revenue!
http://www.amazon.com/gp/product/149738401X?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s00

Hope it pans out for you