Check at their portfolio and just listen how many clients they've ranked too. What number of projects have these staff worked on for this employer the actual success stories can they tell? http://t.edm.greenearth.org.hk/t.aspx/subid/742441243/camid/1734055/?url=http://belzec.phorum.pl/viewtopic.php%3Ff=4&t=2523939