BREMER HELGOLAND-DIENST GMBH.

The funnel appears silver. The white flag is divided by a green and red saltire, using Helgoland’s three colours. At the centre is a red, cotised shield with a white key, modifying Bremen’s small arms.

Selected source pages could not be retrieved. The large museum history concerns a wider and mainly earlier Helgoland service history and was not accepted as proof of this GmbH. Formation, public shareholding and disposal chronology remain unconfirmed.