Not in the USA, the fork mount cage in the US must meet OSHA/ANSI standard in design & comply with operational standards.
Best to check with your country's safety standards which may or may not be up to standards of other countries around the world, especially in those countries that have a lot of lawyers - like US..
The best thing to do is buy a scissors lift - great for inventory taking, overhead maintenance - light bulb changing, safely retrieving goods from top shelf (assuming they are not too heavy, etc. Do a "Google" search to get info on this type of lift.