Some people have shared their opinions by listing the businesses below as the most difficult to start amongst other businesses. The reasons cited ranges from complexity nature of the businesses, capital, technical knowledge, formation of partnership etc. The businesses listed to be the most difficult to start are:
- Pharmaceutical and Biotech Companies.
- Restaurant Chains.
- Aerospace and Defense Contractors.
- Oil and Gas Exploration.
- Luxury Fashion Brands.
- Financial Services (e.g., Investment Firms)
- Construction Companies.
- Telecom Companies.