We are a "building owner's" elevator consulting firm that provides your organization's team members with an elevator expert at their fingertips.We can help that team by conducting portfolio consolidations, managing elevator modernization's, performing due diligence reviews, or auditing your elevator maintenance programs. No matter what your needs, we can customize an approach to meet your requirements. DES performs all the regular functions of elevator consulting, including analyzing projects for construction, modernization or building purchase, creating specifications, assistance in contracting, managing projects after award, maintenance audits, due diligence for purchases, expert witness assistance in legal matters and providing all forms of technical advice or assistance in dealing with vertical transportation issues. We specialize in consolidating maintenance agreements for owners or managers of multiple properties and help in managing those maintenance portfolios, after the consolidations. We provide a complete package of assistance, including handling transitions between contractors, monitoring of contractors work and invoicing and technical assistance for individual building personnel on a fixed fee or retainer basis.