Before the establishment of Munich around 1158, an important crossing existed over the River Isar, the Föhringer Bridge. Unterföhring was mentioned in documents for the first time in 1180 as an independent place (inferius Feringin). Unterföhring was a component to the high pin freesings counting former county Ismaning. Since the realm deputation main conclusion of 1803 the place belongs to Bavaria. In the course of the administrative reforms in Bavaria the today's municipality developed with the municipality edict of 1818.
Unterföhring is one of the most important media centers of Germany. The 1950s saw the settlement of the RIVA photometric companies. In 1962, RIVA took over the Bavarian broadcaster (BR) and the Second Channel of German Television RIVA Studios. In 1972 Taurus films, the later Kirch Group were acquired. Since 2000 the seat of ProSiebenSat.1 Media AG is also here. In addition, Premiere AG and Kabel Deutschland, the largest cable operator in Germany, are headquartered here. One of the largest independent film production companies in Germany, the neue deutsche Filmgesellschaft, has their head offices here. Unterföhring is also the location of SES Platform Services which provides signal processing and distribution for about 250 television and radio stations, and broadcast data services.
In addition, besides media enterprises, major insurance companies are situated east of the rapid-transit railway line S8 in the trade area of Unterföhring. The largest employer is Allianz SE with approximately 6,000 workers. Another employer is the AGIS Allianz Dresdner Information Systems GmbH, the IT service provider and a subsidiary of Allianz SE, with a large computing center. Other subsidiaries of the Allianz company are also located in Unterföhring. Also in the vicinity is Swiss Re Life, Unicredit and Health Germany, part of the Swiss Re family of companies, with approximately 600 employees. Owing to the many corporate enterprises, the municipality is free from debt and even has accumulated a large reserve.
Unterföhring is the smallest community in Germany with its very own Rugby union-club. The Rugby Club Unterföhring e.V. was founded in 2012 and already fields two XVs in the Regionalliga Bayern and in the Verbandsliga Bayern.