Hello, growth hacking can be applied to offline businesses and services too. There are a lot of businesses dealing with offline products that have used growth hacking to multiple sales and profits. SquattyPotty is one such brand.

A lot of growth hacks nowadays use digital channels but depending on the product in question, offline mediums can also be explored.

Last year, I created a PPT that perfectly answers your question. Here is the link, https://www.slideshare.net/upreports/growth-hacking-tips-techniques-for-beginners

Give it a read. If you have any queries, let's get on a call or exchange emails, varun@upreports.com. Thank you!