It's very easy to use as well maintain for any size of business need like small or large organizations! I feel there are better options out their such us Bootstrap framework etc but so far this one has been stable enough (at least not crashed) when compared other similar ones we used before - mostly bootstap frameworks from google itself which were good at first sight then slow down after few weeks/months due to heavy traffic usage by clients over time causing issues while updating pages during peak hours especially weekends!! Try using some free trial versions available online if you still haven't decided about purchase yet because they're really inexpensive than buying final product without trying anything else. We have an e-commerce site built almost entirely upon Themeparams themes & plugins along side wp engine 3 core version 4 years now successfully running our shop smoothly since day 1!