Firehouse Subs vs Potbelly
| Firehouse Subs (2026) | Potbelly (2026) | |
|---|---|---|
| Total initial investment | $405,350 – $875,950 | $628,938 – $999,371 |
| Initial franchise fee | $20,000 | $40,000 |
| Royalty | — | 6% of Shop's weekly Total Revenue |
| Advertising fund | — | — |
| Item 19 | None $973,809 | Average Unit Volume held |
| Units | 1,291 (2025) | 470 (2025) |
| Net change, latest year | 43 | 26 |
Every figure is cited on the brand pages. This is a summary of a public filing, not legal advice.