Really, If you are trying to change your simple door lock and want use electronic digital lock, I will say. You should try once www.sato.sg of primesource.me. These companies are providing top quality digital locks for home and business.
If you are really looking for a locksmith i suggest http://locksmithtoronto365.com/. He installed my Kwikset system. Its good and reliable small company. Now i`m looking forward to smart Samsung lock. I recommend not to install yourself expecially when the lock is pricy.