Across Barriers GmbH provides its customers services and consulting in the fields of in-vitro bioequivalence and pharmaceutical technological development. Starting with analytical, physicochemical characterization, followed by testing of active com-pound properties on in vitro models for the feasibility, bioavailability, bioequivalence, and also customer oriented consultancy for drug formulation make it possible for Across Barriers to offer a complete service package for each question during the lifetime of the costumer’s product. Across Barriers is certified in three GLP categories as well as for GMP. Since 2009 Across Barriers is FDA approved. Therefore, every project is performed under the common quality guidance but can also be conducted as a GLP or GMP study which is highly accepted at na-tional and international regulatory authorities. A team of well-educated and experienced employees and a superbly equipped facility accom-plish the profile of Across Barriers.