Too nervous to upgrade CiviCRM from 4.1.1
if you are asking for professional support to undertake these upgrades and fix any issues that might arise as a result then you may want to contact some providers listed at https://civicrm.org/partners-contributors.

When we (FUzion) are approached to undertake these types of support tasks then we would require suitable access (preferably SSH), would probably prefer to set up a dev version of the system to test the upgrade, while recognising that the server environment won't be equivalent.

Other information to have to hand would be PHP version the server is running etc.