No one-size-fits-all advice – only tailored solutions will propel your business forward.
At Advantage: Legal GmbH, we provide pragmatic and results-driven business consulting in the areas of contract and business law, corporate governance, and ESG. With over 25 years of experience, we support businesses across Europe in navigating complex legal and business landscapes with confidence, efficiency, and a forward-looking approach.
Our services include drafting and negotiating tailored contracts, advising on strategic legal and business matters, and ensuring compliance with evolving regulations, including ESG.
For companies seeking temporary support for their legal department, we also offer Interim General Counsel services. These combine deep legal expertise with the practical experience of a seasoned General Counsel in senior leadership. Whether you’re a startup or an established enterprise, we are here to help you achieve sustainable success.
Management Consulting
“Really good management advice from a lawyer – is that possible? Absolutely!”
With over 25 years of experience and a unique combination of legal expertise and strategic business insight, I am able to offer far more than traditional legal advice. Whether it’s strategic consulting, international contract negotiations, M&A projects, or building legal departments, I am able to develop future-proof, tailored solutions that truly drive your business forward.
Discover how legal expertise and business thinking can work hand in hand to unlock your company’s full potential.


Governance Consulting
“Governance – the key lever for sustainable corporate success.”
Governance is much more than a bureaucratic obligation. When properly implemented, it becomes a strategic competitive advantage: it establishes clear structures, strengthens transparency, and delivers measurable success.
Under the Advantage Governance brand, I offer tailored governance consulting designed to help companies fully leverage their strategic advantage through excellent governance. As an experienced General Counsel and certified Supervisory and Advisory Board Member, I am able to develop pragmatic governance solutions that create clarity, enhance transparency, and generate measurable results.
Whether it’s integrating ESG goals, mitigating risks, or optimizing decision-making processes, Advantage Governance stands for the effective implementation of governance as part of ESG – quickly and efficiently. Together, we design structures that make your Company more agile, resilient, and future-proof.
Discover how Advantage Governance can serve as a strategic lever for your Company’s long-term success.
Advisory Board Work
“Strong advisory boards are true game changers – they drive growth, secure succession, and guide companies through crises.”
My passion for advisory board work, coupled with my experience with ineffective boards and my in-depth knowledge of governance, has shown me how critical strong, competent boards are to business success.
Whether as a board member, consultant, or moderator, I support companies in shaping advisory board work strategically, solution-oriented, and with a future focus. With deep expertise and hands-on experience, I am able to create clear structures and deliver real value. Let’s turn advisory board work into a powerful tool for your company’s sustainable success.


NextGen Board e.V.
“The time is now for excellent advisory board work!”
Strong advisory boards are the key to sustainable success – for companies, management, and the entire economy. As co-founder and board member of NextGen Board e.V., I actively shape the transformation toward a forward-thinking and professional board culture.
Our mission: connecting companies with experienced board members, highlighting the value of effective governance, and fostering the exchange of best practices. NextGen Board e.V. brings together expertise, experience, and passion to prepare advisory boards for today’s and tomorrow’s challenges.
Learn more about how NextGen Board e.V. connects companies and boards to shape the future together: www.nextgen-board.de.
Dr. Isabel Charlotte Hacker
Dr Isabel Charlotte Hacker is a corporate lawyer, certified advisory board member and founder of Advantage Legal – with over 20 years of experience in international corporations and in-depth expertise in corporate governance, ESG and M&A. Her goal: to help companies make real progress through pragmatic, customised solutions. As a board member of NextGen Board e.V., she is passionately committed to a new era of advisory board work that strengthens companies and makes them sustainably successful. Whether as a consultant, advisory board member or moderator – Isabel combines legal expertise with economic foresight to provide companies with strategic support. Find out how she can make your company future-proof.
