company and Medan grew, the Sultan of Deli (Ma'mun Al Rashid) moved his residence from Labuhan and Medan became the capital of North Sumatra in 1891.

Beside the possessions in Dutch East Indies the Deli Company had a lot of assets in both Amsterdam and Rotterdam to ensure smooth operations, e.g.:
* Offices at Herengracht 286, 380 and 586, Amsterdam
* warehouse Het Veem, Amsterdam
* warehouses Medan, Bindjeij and Laboean