[2] The company's first product was an address book for the town of Bünde, later joined by the telephone directory for Einbeck.

The MIT magazine Technology Review, whose German-language version has been published by Heise since 2003, was widely recognized.

In addition to a simple entry, Heise offers small and medium-sized companies a wide range of online marketing services.

[11] It also includes the media brands c't, iX, Make, Mac & i,[12] Technology Review, heise Autos, TechStage and Telepolis.

[13][14] The company uses the brands both online and for magazines, as well as for events, especially congresses, conferences, seminars and workshops, including Heise Adacemy.