Schellenberg Wittmer | 16,829 followers on LinkedIn. Your leading Swiss business law firm with more than 150 lawyers in Zurich, Geneva and Singapore. | Schellenberg Wittmer is your leading Swiss business law firm with more than 150 lawyers in Zurich and Geneva and an office in Singapore. We take care of all your legal needs - transactions, advisory, disputes. The firm's areas of expertise include: banking and finance, competition and antitrust, construction, dispute resolution and international arbitration, intellectual property/information technology, mergers and acquisitions, private equity and venture capital, private clients and estates, real estate, restructuring and insolvency, taxation, white-collar crime and compliance.