A profile system for an entrance system, the profile system comprising: a first profile arrangement ; a second profile arrangement ; and an interconnecting element , wherein the first profile arrangement is connectable to the second profile arrangement by means of the interconnecting element for assembling a support system or movable door member of an entrance system, wherein each of the first and second profile arrangements comprises: a hollow profile element , and a connecting member attached to a transversal end of the profile element , characterised in that the connecting member comprises a pair of connection flanges protruding in a longitudinal direction of the profile element from the transversal end of the profile element , wherein the connecting member comprises an inwardly extending portion arranged to be inserted into the profile element , wherein the inwardly extending portion comprises two parallel and longitudinally extending phases for attachment to the profile element , whereby at least one of the connection flanges comprises a transversally protruding guiding element , and wherein the interconnecting element comprises a first guiding track for slidingly receiving the protruding guiding element of the first profile arrangement in a transversal direction of the first profile arrangement . a first profile arrangement ; a second profile arrangement ; and an interconnecting element , wherein the first profile arrangement is connectable to the second profile arrangement by means of the interconnecting element for assembling a support system or movable door member of an entrance system, wherein each of the first and second profile arrangements comprises: a hollow profile element , and a connecting member attached to a transversal end of the profile element , characterised in that the connecting member comprises a pair of connection flanges protruding in a longitudinal direction of the profile element from the transversal end of the profile element , wherein the connecting member comprises an inwardly extending portion arranged to be inserted into the profile element , wherein the inwardly extending portion comprises two parallel and longitudinally extending phases for attachment to the profile element , whereby at least one of the connection flanges comprises a transversally protruding guiding element , and wherein the interconnecting element comprises a first guiding track for slidingly receiving the protruding guiding element of the first profile arrangement in a transversal direction of the first profile arrangement . a hollow profile element , and a connecting member attached to a transversal end of the profile element , characterised in that the connecting member comprises a pair of connection flanges protruding in a longitudinal direction of the profile element from the transversal end of the profile element , wherein the connecting member comprises an inwardly extending portion arranged to be inserted into the profile element , wherein the inwardly extending portion comprises two parallel and longitudinally extending phases for attachment to the profile element , whereby at least one of the connection flanges comprises a transversally protruding guiding element , and wherein the interconnecting element comprises a first guiding track for slidingly receiving the protruding guiding element of the first profile arrangement in a transversal direction of the first profile arrangement . <EOS>