FDDIndex 20 brands · 10 reports · last run 2026-09-03 13:13

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
Royalty6% of Shop's weekly Total Revenue
Advertising fund
Item 19None $973,809Average Unit Volume None
Units1,291 (2025)470 (2025)
Net change, latest year4326

Every figure is cited on the brand pages. This is a summary of a public filing, not legal advice.