SAVING MONEY
Reduced overheads like commercial space rent, travel allowance, electricity bill, office supplies, etc.
Employee happiness
Flexible working hours provides higher job satisfaction/morale hence reduced turnover/retention. Higher morale due to flexibility and anatomy.

IMproved productiviy
Increased employee productivity due to comfort of home, lesser interruptions, lesser commuting time and higher anatomy.
wider talent pool
No more limitation on hiring due to geographical constraints. Higher inflow of employees from other countries & companies thus increasing the quality of candidate pool.