<p>The article aims to make public the “Solidarity economy contributions to territorial rural development between the years 2002 and 2014, as in the case of Aquitania, Boyacá", by contributing knowledge on solidarity economy and its impact on territorial rural development. A review is carried out of the Solidarity Economy concept; its origins, historical background and its development in Colombia, besides characteristics, purposes, types of organizations that conform the solidarity economy are established, with the purpose of understanding the 6 solidarity economy organizations object of study in the town mentioned. Moreover, the concept of territorial rural development, its characteristics, purposes, and dimensions are reviewed. The above, allows to establish common points between the solidarity economy and the territorial rural development, to design a survey with questions focusing on each of the territorial rural development dimensions (environmental dimension, productive economic dimension, socio-cultural dimension and political-administrative), by establishing the sustainable development index (S3) and how the solidarity economy organizations have contributed to the territorial rural development in the municipality of Aquitania (Boyacá) between years 2002 to 2014.</p>