Plant for packaging articles, in particular containers, to be filled with a product and closed with a closing element, comprising at least two modular apparatus for filling and closing randomly fed articles with randomly fed closing elements, each modular apparatus configured with a filling station, configured to feed and dispense a product inside one of said articles arranged in a filling position, and a closing station for closing the filled articles, provided with means for applying a respective closing element onto a respective one of said filled articles arranged in a closing position; the plant further comprising an extraction system for transporting the filled and closed articles, with an extraction plane on which the filled and closed articles (A') are transported in a longitudinal direction (X-X) and are arranged with a predefined extraction orientation and/or position and in an extraction sense from upstream to downstream; wherein said at least two modular filling and closing apparatus are arranged in series from upstream to downstream along the longitudinal direction (X-X) and are configured to position the respective filled and closed articles (A') on the same extraction plane in order to obtain a common flow of articles being extracted for the two or more modular apparatus; wherein the at least two modular apparatus comprise gripping and positioning means for holding and/or displacing the articles (A; A') and/or the closing elements to one or more of said positions; characterised in that the gripping and positioning means of each of the at least two modular apparatus include: - one or more first pick and place devices arranged and configured to pick up the articles arranged randomly on a transport plane for transporting articles and to position them with a predefined orientation and/or position at the filling station; and - one or more second pick and place devices, arranged and configured to pick up a closing element arranged randomly on a transport plane for transporting closing elements and to feed it to the application means of the closing station. wherein said at least two modular filling and closing apparatus are arranged in series from upstream to downstream along the longitudinal direction (X-X) and are configured to position the respective filled and closed articles (A') on the same extraction plane in order to obtain a common flow of articles being extracted for the two or more modular apparatus; wherein the at least two modular apparatus comprise gripping and positioning means for holding and/or displacing the articles (A; A') and/or the closing elements to one or more of said positions; characterised in that the gripping and positioning means of each of the at least two modular apparatus include: - one or more first pick and place devices arranged and configured to pick up the articles arranged randomly on a transport plane for transporting articles and to position them with a predefined orientation and/or position at the filling station; and - one or more second pick and place devices, arranged and configured to pick up a closing element arranged randomly on a transport plane for transporting closing elements and to feed it to the application means of the closing station. - one or more first pick and place devices arranged and configured to pick up the articles arranged randomly on a transport plane for transporting articles and to position them with a predefined orientation and/or position at the filling station; and - one or more second pick and place devices, arranged and configured to pick up a closing element arranged randomly on a transport plane for transporting closing elements and to feed it to the application means of the closing station.