single point of contact(Article 6 of the EU Services Directive requires Member States to establish a single point of contact through which all procedures and formalities must be completed. Leonid Antonenko)
one-stop(adjective [only before noun] (BrE) a one-stop shop/store or service offers a wide range of goods or services so that you only have to go to one place to buy or do everything you want: Our agency is a one-stop shop for all your travel needs. • We now have all our services under one roof so we can offer one-stop shopping to our customers. • These days the large investment banks offer a ‘one-stop' service, from broking to corporate finance. OBED Alexander Demidov)
