Read about a structure designed to overcome the limitations of hierarchical structures:
hyJevDRmV7Ju6kgm_R_K6M-vQwDkr-S2e-An-organisation-structure-designed-to-overcome-the-limitations-of-a-hierarchical-structureDownload
And if you are interested in finding out more about flatter organisations
Read the report “Is flatter better? Delayering the management structure” from the Institute for Employment Studies: