- Germany Trade & Invest GTAI, the German government agency providing support to foreign investors https://www.gtai.de/gtai-en/invest/investment-guide
- Download GTAI 2021 investment guide download here
- NRW Global Business, foreign trade promotion agency of the state of Northrhine Westphalia https://www.nrwinvest.com/en/home/
- EXPAT SERVICE DESK ME & DUS (Service point for international professionals in the state capitol Duesseldorf and the county of Mettmann) https://www.expatservicedesk.de/en.html
- Frankus Japanese language information site https://www.yappango.com/support/frankus.html
