There are no such list of BCOM colleges in Ahmedabad having A+. I can provide you the best colleges for BCOM in Ahmedabad and you can visit there respective website in order to see there NAAC grades.

The best colleges for BCOM in Ahmedabad are:

St Xavier's College, Ahmedabad

Shri KK Shastri Government Commerce College, Maninagar

Government Commerce College, Naroda

Gujarat Commerce College, Ahmedabad

Government RC College of Commerce, Ahmedabad

Gujarat Arts and Commerce College Evening, Ahmedabad

For more colleges you may visit the link provided below:

https://university.careers360.com/colleges/list-of-commerce-degree-colleges-in-ahmedabad

I hope this helps.