The Net Margin of Gallagher Security Corp (GLL.CN) is -9941.23%.
Net Margin measures the percentage of net income derived from total revenue after all expenses. It signals how much actual profit a company retains from its sales.
| Date | Value |
|---|---|
| 2022-06-30 | -9941.23% |
| 2021-06-30 | -9941.23% |