Unión Comercio was founded on June 15 1994 by merchants of the Central Market of Nueva Cajamarca, and participated in local tournaments in Tarapoto until 2010 where they played in the Copa Perú.

In 2003, the club were provincial champion of San Martín and qualified for the Departmental Stage of the Copa Perú, where it was eliminated in the semi-finals by Deportivo Pesquero de Moyobamba in a penalty shootout.

In the 2010 Copa Perú, the club qualified to the National Stage when they defeated Cultural Volante, Juventud Santa Rosa and Carlos A. Mannucci in the Region II's group A. Unión Comercio was the 2010 Copa Perú Champion when they defeated Alianza Unicachi in the final.

Unión Comercio's originally home stadium was Estadio IPD de Moyobamba which has a capacity of 8,000.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.