Who owns Crumb and Sponge?
Crumb and Sponge
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- Ultimate owner
- Crumb and Sponge
- Brand origin
- United States
- About Crumb and Sponge
- Crumb and Sponge is a family-run bakery based in the United States, focusing on handcrafted sourdough bread made with freshly milled organic flour.
Updated: 24 January 2026