There are various certificate courses on different streams of Business Management and each has different duration. However, in terms of value Full-time courses>Part-time course>Certification courses.

So if you can afford the time and financial commitment, go for Full-time Business Management courses and not the certification courses.

Usually, certificate course in Business Management is a short-term educational program, mostly of 6 months or 1 year course. It covers management theory, organisational behaviour, marketing management, business economics, financial accounting and analysis, information systems for managers etc.