Since its foundation, the Firm has maintained very solid relationships with the main labor centers, such as CTM, CROC, CROM, CTC, National Coordinator of Workers of the C.R.T., Sindicato Libertad de trabajadores de México, Federación Obrera Nacionalista, Sindicato Progresista Justo Sierra, among others., which facilitates the client's relationship with the union that holds the collective labor contract by knowing better the internal practices of each confederation.