Led By Sustainable Experience
The firm is founded and led by Sugiha Densink-Viehmann – a lawyer with extensive international executive and board-level experience across energy, financial services, and regulated infrastructure sectors.
Clients benefit from legal advice shaped by hands-on executive responsibility, international board experience, and a deep understanding of how legal, regulatory, and commercial decisions interact at senior management level.
Previous Roles
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Expatriate Services, London, at a Top 5 global professional services firm
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Board Legal Counsel for Energy Law and Regulation, E.ON Energy Trading
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Board and Supervisory Board Affairs, municipal utilities in regulated markets
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Head of Legal International, ERGO Group AG
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Head of Sustainability and Business Development, group-level responsibility
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General Counsel & Chief Governance Officer, intl. sustainable energy company
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Served on supervisory boards in regulated environments, including mandates in Japan, Russia and Austria, providing first-hand experience with cross-border governance, regulatory oversight, and stakeholder management
Advisory Model
The firm advises exclusively at senior level on complex legal and regulatory matters in energy, corporate law and cross-border business. All mandates are led directly by the firm’s founder, ensuring continuity, accountability and a consistent strategic perspective. With deep experience in international and regulated environments, the firm understands the decision-making realities of boards, executives and investors. Clients value technically rigorous yet commercially grounded advice, personal partner involvement and a pragmatic, business-focused approach – delivered with cross-border coordination, sector expertise and without unnecessary complexity.
Partner
We collaborate with a diverse network of trusted partners across industries and regions. Together, we bring complementary expertise and innovative solutions to support clients through complex challenges. These relationships are built on trust, shared values, and a commitment to delivering exceptional value and sustainable results for our clients.
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Ege Çakirca – Turkish Attorneys at Law
Offering comprehensive legal services and delivers tailored legal solutions to Turkish and foreign clients operating in various sectors, with a strong understanding of commercial needs and practices. The team practices in many areas of law, including mergers and acquisitions, corporate commercial law, IT law, dispute resolution, real estate law, energy and infrastructure, and capital markets law.
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Petra Kunde – Tax Advisory Partner
Strategic tax advisory for companies in Germany and international businesses with German subsidiaries. Specialised in cross-border tax matters and investor models. We collaborate to ensure tax-compliant structures, secure decision-making, and seamless integration of tax strategy into broader business consulting.
