Proxima BG Ltd is a member ov IVT Wien - Internationaler Verband der Tarifeure (Union of International tariff specialists), an organization of the specialists of tariffs and transport.

The international union of tariff specialists (IVT) was established by prof. Alexander Freud in 1911 in Trieste as a proffessional organization. During the next years a lot of national organizations were established in Europe. The Union was forbidden during the Third Reich.

IVT represents the experts dealing with all aspects of transport and logistics, with the legal and economical issues, arising from the purcahse of goods to their delivery.

The Executive Director of Proxima BG, Nelly Doytcheva M. Econ. is a member of The presidium of IVT.