Non-PRO English to Spanish Bus/Financial Economics Business

¿Se les ocurre alguna traducción para "pre-entrepreneurial activities"? Suele distinguirse entre:

"Pre-entrepreneurial activities, also traditionally designated as IGAs (small crafting, petty trading, etc.), depend on
people that have limited knowledge of the basic principles that guide any business activity and lack basic assets -
essentially working capital - to develop their own small business ventures. Pre-entrepreneurial activities are
mostly self-employed initiatives.Benefits may be partially reinvested in the activity but they are mainly used as
incremental income. Typically, these activities are mainly undertaken by women, who have limited time and assets
to engage in full-time entrepreneurial activities.

Microentreprises are defined as semi-structured activities, including limited fixed assets (first or second-hand
equipment), possibly a physical location (for instance, a small milling workshop); and as observing some basic
management principles....

and

Small enterprises are structured businesses that usually have a well-defined market niche and physical location,
an acceptable turnover, some business skills, regular access to market-based..."

Muchas gracias por sus ideas.