Do you want the job done properly and professionally? Then you have to use a contractor with an impressive track record for always delivering the best possible service.
Do you want the job finished quickly and on time? Then use a contractor that has the staff, equipment and resources to handle the any size job, from the smallest to the biggest.
Do you want the job done safely with no damage to your property? Then use a contractor whose staff are exceptionally skilled and have been doing this for a long time.
This is a difficult and dangerous business so be careful who you use.