• Smiths Group average pre-tax profit margin for 2016-01-31 was 0%, a 0% decline from 2016-07-31.
• Smiths Group average pre-tax profit margin for 2016-07-31 was 0%, a 0% decline from 2017-07-31.
• Smiths Group average pre-tax profit margin for 2017-07-31 was 0%, a 0% decline from 2018-01-31.

Pre-tax profit margin can be defined as earnings before taxes as a portion of total revenue.