Werfen | 135,506 followers on LinkedIn. Werfen is a growing, family-owned, innovative company founded in 1966 in Barcelona, Spain. We are a worldwide leader in specialized diagnostics in the areas of Hemostasis, Acute Care Diagnostics, Transfusion, Autoimmunity, and Transplant. We operate directly in 30 countries, and in more than 100 territories through distributors.