You could create just one menu in wordpress backoffice, and menu 2 would be a submenu of each item, like this:
- menu 1
- Home
- Tax
- Company
- About us
- menu 2
- Home
- Posts
- News
- menu 3
- Home
- Test 1
- Test 2
Then you could use some jquery and css to show each submenu according to what you choose.