Paul Reinhart Ltd. (German: Paul Reinhart AG) is a Swiss merchant firm headquartered in Winterthur, Switzerland, that is primarily involved in agricultural trading.

Founded in 1788 as collective partnership Geilinger & Blum it is today among the most important cotton merchants worldwide and one of the oldest companies in Winterthur.

[1][2][3] Paul Reinhart Ltd. has been a family-owned and managed company since 1788, currently in the eight generation.

It currently has the following divisions; Since 1949, the company is headquartered in the "Haus zum Letzengraben" in Winterthur, Switzerland.

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