Siegwerk | 130,952 followers on LinkedIn. Our aim as ink and coatings manufacturer is to support a circular economy approach to sustainability. | Siegwerk offers Ink, Heart & Soul to its customers Ink, Heart & Soul – our company philosophy incorporates what our customers experience every day. We know our business and produce coatings, inks and individual solutions in close cooperation with our business partners. We are steeped in tradition, yet practice-oriented and with state-of-the-art technology.