It manages the city's U-Bahn (underground), tram, bus, replacement services (EV) and ferry networks, but not the S-Bahn urban rail system.

[4] In 1933, the State Commissioner for Berlin, Julius Lippert, appointed the NSDAP politician and later Waffen SS soldier Johannes Engel as head of the BVG Supervisory Board.

During World War II, the BVG used some 4000 forced laborers, for whom the company built its own barracks camp.

With the reunification of Berlin, responsibility for the S-Bahn reverted to Deutsche Bahn AG (DBAG), the state rail operator of Germany.

[7] During the division of East Berlin, numbering were set as follows: The BVG launched the MetroNetz on 12 December 2004 which remodeled the tram and bus network to create 24 tram and bus lines (with M prefix) covering parts of the city that weren't served by S-Bahn or U-Bahn.

Of these, nine are designated as part of the MetroNetz, which provide a high frequency service in areas poorly served by the U-Bahn and S-Bahn.

However, there have been some extensions of routes across the former border since reunification, most remarkably to the city's new main railway station Berlin Hauptbahnhof (lines M5, M8 and M10).

Seventeen of BVG's bus routes are designated as part of the MetroNetz, which provides a high frequency service in areas poorly served by the U-Bahn and S-Bahn.

Berlin has an extensive network of waterways within its city boundaries, including the Havel, Spree and Dahme rivers, and many linked lakes and canals.

[11] In 2021 a Petition was started against "discrimination and violence by security personnel in public transport" under the hashtag #BVGWeilWirUnsFürchten.

[17][18] The navi is a monthly published overview of planned line deviations and changes due to construction measures or events.

On the basis of BBH offers services in the areas of human resources, finance, accounting, controlling, IT and insurance.

BVG Beteiligungsholding Verwaltungsgesellschaft mbH (BBV) manages BBH's business as a general partner exclusively.

Berlin Transport (BT)'s core business is to provide bus and subway services for the BVG.

The core business of the IOB consists in the control of the intercity bus operations as well as the economic use of the real estate on the ZOB.