There is no definitive answer to this question as success in business depends on a number of factors, including the industry, the target market, the business model, and the entrepreneur's own skills and drive. However, some small businesses do tend to be more successful than others.
Some of the most successful small businesses are in service industries, such as personal care, home care, and pet care. Retail businesses can also be successful, especially if they are niche businesses with a loyal customer base. Manufacturing and technology businesses can also be very successful, provided they have a good product or service and a strong marketing plan.
In general, the most successful small businesses are those that have a clear focus, a well-defined target market, a strong business model, and experienced and passionate entrepreneurs at the helm. These businesses are also usually those that have a deep understanding of their customers and their needs.