Front & back office system

Looking for "Off The Selves" or pre-design front & back office system. Cloud based with local network access capabilities. Multi users system. Minor customisations may be require to suit the trade and local requirements. Back office accounting system & Front office system that include create products inventories & etc. are essentials. Reporting & search function are essential. PDF creation for documents printing. Bidders must have previous experience and must provide test access to the system before award the job. Kindly include charges for future troubleshooting if require.