I am currently confused between the below mentioned B- Schools.

University of Southampton - School of Management
Henley Business School
The University of Sheffield - Management School
Ivey Business School (Canada)

The above mentioned colleges are interested in my profile.
Does college's Triple accreditation play any role in future? Most of these schools are triple accredited, but not high in rankings.

Or should I look for Australian Colleges like Monash, Bond, La trobe (Haven't applied)

I intend to work for some years in Europe/Canada/America/Australia before going for Entrepreneurship. So looking for a college giving good education and career services also.
Having 3.5 yrs of exp in IT Networking in a MNC, although I intend to change domain.

Heard career prospects/after stay options for International students in UK is not that great in comparison to Australia. Fees is also a factor for me.(Good ROI)

Thanks in advance for your guidance.

What sort of work do you want to do? Other things being equal Ivey is head and shoulders above these UK schools.

Especially since - assuming you don't hold an EU passport - Canada has a much more liberal post-MBA visa policy than the UK.