Siegwerk, the world’s third largest printing ink manufacturer, took on the legal form of an “AG & Co. KGaA” for its German entity based in Siegburg on May 2, 2011. Compared to a pure limited company under German law, this legal form is especially well tuned to Siegwerk’s character as a family-owned business.      The “Kommanditgesellschaft auf Aktien” or “KGaA” is a joint-stock company, just like the “Aktiengesellschaft” (AG), and is thus subject to the German laws concerning worker partic...