With capital increases in 1910 and 1912, the financial basis for the establishment and expansion of a German-wide distribution of "drugs and paints, pharmaceutical and chemical products" was created.

The condition of Haniel was that the GEHE’s management remained in the company, in order to further expand the solid foundation that was established after the war.

These branches were formed during the transition to Haniel: Bremen, Hamburg, Kassel, Kelkheim, Landshut, Mühldorf, Munich, Nuremberg, Regensburg and Stuttgart.

In 1982, the Haniel Group acquired RUWA Rudloff & Watermann GmbH & Co. KG in Minden, a pharmaceutical wholesale company with a branch in Delmenhorst and integrated it into Gehe.

In 1985, the Kaiser + Kraft Group, Stuttgart, a mail-order business for transport, storage, operational facilities and office equipment, was acquired.

Until 1992, customers in Germany were supplied from the branches based in Hamburg, Berlin, Haan, Dresden, Stuttgart and Munich.

For the pharmaceutical wholesaler Gehe, which was also part of the Celesio Group, the acquisition resulted in a loss of customers as pharmacists saw a threat in the chain.

On 24 October 2013, the US-based McKesson Corporation announced an agreement to acquire Celesio for EUR 6.1 billion (approx.

At the start of November 2013, the Elliot hedge fund acquired 12.68% of Celesio from Paul Singer, a well-known course of action by him to benefit from takeovers.

On 23 January 2014, Haniel took over the share from the Elliott hedge fund and served the 75.99% one day later to McKesson, which meant that the takeover was still a success.

The quotation in the index was removed, due to the change in the stock exchange segment from Prime Standard to the Regulated Unofficial Market.