Disputes. Litigation. Arbitration. Mediation. Contracts.

Dispute Resolution
Lawyers.

Why GRAT Disputes?

Because dealing with disputes can be difficult and we’ll take over when the going gets tough.

GRAT Disputes is a boutique law firm which advises on complex commercial disputes. Our name comes from the German word for mountain ridge which, in mountaineering, can be a challenge if you are unsupported. We think that’s a useful analogy to dealing with dispute resolution. We can guide you along the right route to a successful result.

We stand for reliability and loyalty. We have uncompromising quality standards for our work. We combine this with personal advice and the independence of a boutique law firm. We are commercially aware, have a modern approach to what we do and are always mindful of our clients' best interests.

Awards & Rankings

recognized in Legal500 - Germany in „City Focus Hamburg“
by Legal500 Germany (2026)

ranked as highly recommended law firm for Commercial Litigation & International Arbitration
by Leaders League (2026)

ranked as „TOP Kanzlei“ for Arbitration
by WirtschaftsWoche (2024)

recognized in 'Best Law Firms - Germany' for Litigation, Arbitration & Mediation
by Handelsblatt / Best Lawyers (2025)

Benjamin Wagner is recognized as '40 under 40 Dispute Resolution'“
by JUVE (2026)

Martin Lögering is recognized as ' TOP Anwalt' for Arbitration
by WirtschaftsWoche (2024)

Benjamin Wagner is recognized as 'TOP Anwalt' for Commercial & Corporate Law
by F.A.Z. Institut / QuantiQuest (2026)

Ann-Christin Engelke, Martin Lögering & Benjamin Wagner are ranked as highly recommended lawyers for Commercial Litigation & International Arbitration
by Leaders League (2026)

Benjamin Wagner is recognized in 'The Best Lawyers in Germany' for Arbitration / Mediation
by Handelsblatt / Best Lawyers (2026)

Martin Lögering is recognized in 'The Best Lawyers in Germany' for Litigation, Arbitration & Mediation
by Handelsblatt / Best Lawyers (2022 / 2023 / 2024 / 2025 / 2026)