# Which niches are fragmented enough for buy-and-build? > The niches of a market where many mid-sized businesses have observed revenue and no single giant leads. **Who asks:** PE aggregator or holdco choosing a roll-up niche ## Example **Question:** Where in fitness are there many mid-sized businesses and no clear giant, so we could build a platform from several acquisitions? **Megido calls:** - `search_cohorts`: 5 niches - `get_cohort`: distributions ×3 **Answer:** Two look fragmented: **Home gym equipment stores** and **Fitness clubs and gyms**, 50–199 businesses with observed revenue each, have 65% and 55% of members at 3k–75k visits a month respectively, and almost none above 1M. **Fitness management SaaS platforms** leans on larger players: 17% of its members get over 1M. Real data from the corpus, as of August 2026. ## How your agent answers 1. `search_cohorts` found the closest niches in the market. 2. `get_cohort` returned how the three largest split by scale. ## Where it stops Scale is domain traffic, not market share, and above 1M visits Megido cannot tell the largest player from the next. ## Ask your agent ```text Where in [market] are there many mid-sized businesses and no clear giant, so we could build a platform from several acquisitions? ```