徕卡显微系统是显微镜和科学仪器领域的全球先驱。十九世纪，公司从家族事业起步，如今成为全球知名企业，以无可匹敌的创新精神铸就辉煌历史。
与科学界一贯的紧密合作是徕卡显微系统创新传统的关键，从而将用户的想法付诸实践并根据用户需要为其量身定制解决方案。徕卡显微系统的全球运作分为四个部门，它们均已成为其各自领域的领头羊：生命科学部门、工业部门、病理系统部门以及医疗显微镜部门。
徕卡病理系统是一家自主运营的公司，为组织病理学实验室提供丰富多样的产品，适用于组织学中的每一步工作，并帮助提高整个实验室工作流程的生产率。
公司在全球 100 多个国家设有代表处，在 7 个国家设有 12 家制造厂，在 19 个国家设立了销售和服务机构，并且具有全球性的代理商网络。公司总部设在德国的韦茨拉尔 (Wetzlar)。
徕卡在全球的合作伙伴
一个成功的历史
- 1847 - Foundation of Spencer Lens/American Optical Instruments in USA.
- 1849 - Carl Kellner establishes the "Optical Institute" in Wetzlar.
- 1853 - Foundation of the Bausch & Lomb Instruments Division in USA.
- 1869 - Ernst Leitz takes over the "Optical Institute" and renames the company Ernst Leitz.
- 1872 - Foundation of the precision engineering company R. Jung in Heidelberg.
- 1876 - Foundation of the optical company C. Reichert in Vienna.
- 1881 - The son of Charles Darwin, Horace, establishes the optical company "Cambridge Instruments" .
- 1907 - The 100.000th microscope is presented to Nobel prize winner Robert Koch.
- 1921 - Foundation of the optical company Wild Heerbrugg in Switzerland.
- 1972 - Beginning of cooperation between Leitz Wetzlar and Wild Heerbrugg.
- 1976 - Metals Research expanded and bought Cambridge Instruments (1st manufacturer of Scanning Electron Microscopes).
- 1981 - Foundation of the Wild Leitz group.
- 1986 - Takeover of Reichert-Jung by Cambridge Instruments.
- 1990 - The Wild Leitz and Cambridge Instruments groups merge to form the Leica group.
- 1993 - 1st Joint Venture Opening of the Leica group in China for specimen preparation.
- 1994 - Opening of the 2nd Leica Joint Venture for microscopy in China.
- 1996 - Acquisition of Jenoptik, E-Beam Lithography business and foundation of the Leica Microsystems Lithography in Jena.
- 1999 - 150 Years of Leica Microscope Optics for Progress in Science and Industry.
- 2001 - Launch of the 150x/0.90/248nm DUV AT objective in Airspace Technology.
- 2003 - German Innovation Award for the DUV objective.
- 2004 - Presentation of the World's first 4PI Confocal Microscope.
- 2005 - Danaher Corporation acquires Leica Microsystems.
- 2006 - German Innovation Award for high-resolution microscope with 4PI technology.