Melioration, topography, geology, and geodesy services form the foundation for proper land use, design, and construction. On the buvnieks.com platform, users can find certified professionals providing these engineering services across Latvia. This category includes land drainage and melioration works for agricultural areas, development sites, and infrastructure projects. Topographic surveys for land planning and design are widely available. Users can also find geotechnical investigations to determine soil composition, bearing capacity, and groundwater conditions. The category covers geodetic surveys during construction, including layout marking and as-built measurements. Services are suitable for private clients, companies, and public institutions. The platform enables comparison by certification, experience, and service type. Accurate surveys reduce risks during design and construction. As a result, projects are built on reliable and sustainable foundations.