There is just so much planning and paperwork involved that it may not be easy for an individual to take care of it all single handedly. Relocating is complicated, and this is why you need assistance with the process.
After all none of us have a lot of experience in moving from country to country, except the agents probably. So much of the paperwork is at times complicated, and the little details and fine print make it that much more complicated.
Look for an agent that has experience with relocating people to the country you are looking at. Not only would he be comfortable with all the paperwork needed to enter the country, the agent will also assist you with details on what you need to take care of to remain in the country - visas and application offices.
When you see an organization that is exceptionally impressive, you will be looking forward to working with them. Consider how you will provide the necessary means to actually move your belongings.