S&Z

We are S&Z – Schlange, Zamostny & Co. GmbH (Hamburg) and S&Z North America Inc. (New York City). We are a boutique management consultancy specializing in corporate transformation at the intersection of strategy, responsibility, and impact. In over 750 projects across 15+ countries, we’ve helped organizations turn responsibility into value – through services ranging from strategy and process development to supply chain resilience, ESG performance management, stakeholder engagement, and reporting. We also advise on the selection and implementation of digital platforms and deliver tailored trainings that foster internal ownership and action. Our clients include multinational corporations, SMEs, public institutions, industry associations, NGOs, and foundations. What unites them: a shared ambition to shape the future – with clarity, credibility, pragmatism, and reliability. S&Z brings together a multidisciplinary team of 20+ experts – with backgrounds in business and economics, law, sustainability management, political science, communications, geography, and environmental science. Our teams operate globally from our offices in Hamburg and New York – with a pragmatic mindset, a systemic perspective, and a passion for helping organizations move from insight to positive impact.