MMS Groundworks of Normandy, France specialise in Fosse Installations (fosse septique, septic/septique tanks). We also carry out all manner of groundwork contracts eg lake clearance, patios, driveways etc. All our works are guaranteed for 10 years under the Decennale Assurance. We are not just any old groundworks company. We are MMS Groundworks of Normandy, France.