BNT is a member of International Radio and Television Organisation (to 31 December 1992), European Broadcasting Union (from 1 January 1993), EGTA, IMZ, CIRCOM Regional, FIAT and BBLF.

From 1964, BNT began broadcasting news, programmes and movies in monochrome to serve the rising number of viewers in Bulgaria.

[4] Under the Act, BNT is a legal entity based in Sofia and it is the national public service broadcaster and communications operator.

As a public service broadcaster, the main purpose of BNT is to deliver a broad range of news and programming that keeps its audience informed about important issues and events in the areas of politics, economics, business, culture, science and education.

Through its programming policy, BNT protects national interests and values, science and education; and represents the cultural heritage of all Bulgarian citizens, irrespective of their ethnicity.

BNT caters for the diverse ideas and beliefs within society by reflecting the many different points of view and encouraging mutual understanding and tolerance in the relations between people.