As you want to get the list of some of the best courses which can be pursued after the course of Bachelor of Commerce so here is the information of the same for you:

Higher studies options after B.Com

CRISIL Certified Analyst Program (CCAP)
Diploma in Banking & Financial Services(HDBFS)
Executive MBA
Executive Program in Applied Finance - IIM Calcutta
International Post Graduate Diploma in Risk Management
LLB
M.Com
CA
Master in Financial Management (MFM)
Master in Management Studies (M.M.S.)
Master in Retail Management
Master of Business Administration (MBA)
Master of Marketing Management (M.M.M.)
Master’s Degree in Human Resources Development Management (MHRDM)
Master’s Degree in Marketing
Master’s in Business Studies (M.B.S.)
Masters in Financial Management (MFM)
Masters of Business Administration (Information Technology)- MBA-IT
Masters Program in International Business (MPIB)
MCA
Post Graduate Diploma In Management

Bachelor of Commerce Subjects:

Accountancy
Cost Account.
Statistics.
Management.
Human Resource.
Computer.
Economics.
English.
Law.
Marketing.
Finance.

Some of the related job areas and fields for B.Com. candidates:

Banks.
Budget Planning.
Business Consultancies.
Educational Institutes.
Foreign Trade.
Industrial Houses.
Inventory Control.
Investment Banking.
Marketing.
Merchant Banking.
Public Accounting Firms.
Working Capital Management.
Policy Planning.
Public Accounting Firms.
Treasury and Forex Department.

After completing B.Com. you can become:
Accountant