Hopt, K. J. (Ed.): European Company and Financial Law Review. de Gruyter, Berlin, New York (since 2004)

Zimmermann, R. (Ed.): University of Queensland Law Journal (editorial board). University of Queensland, Brisbane, von 2004 bis 2021

Die deutsche Rechtsprechung auf dem Gebiete des Internationalen Privatrechts (Bearbeiter). Mohr Siebeck, Tübingen (since 2003)

Zimmermann, R. (Ed.): South African Law Journal (editorial board). Juta Law, Cape Town (since 2003)

De Jure (advisory board). LexisNexis Butterworths, South Africa, Durban (since 2002)

Fleischer, H.; Bergmann, A.; Drescher, I.; Goette, W.; Harbarth, S.; Hommelhoff, P.; Krieger, G.; Merkt, H.; Teichmann, C.; Vetter, J. et al.; Weller, M.-P.; Wicke, H. (Eds.): Zeitschrift für Unternehmens- und Gesellschaftsrecht. de Gruyter, Berlin (since 2002)

Hopt, K. J. (Ed.): European Corporate Governance Institute, Working Paper Series in Law. ECGI, Online-Publikation (since 2002)

Zimmermann, R.; Basedow, J.; Fleischer, H. (Eds.): Rabels Zeitschrift für ausländisches und internationales Privatrecht – The Rabel Journal of Comparative and International Private Law (RabelsZ). Mohr Siebeck, Tübingen (since 2002)

Revista Complutense de derecho romano y tradición romanistica (academic advisory committee). Universidad Complutense Facultad de derecho, Madrid (since 2001)

Kulms, R.; Enriques, L.; Haar, B.; Lazic, V.; Marcos, F.; McCahery, J.; Moloney, N.; Pistor, K.; T.M.C. Asser Institut Den Haag (Eds.): European Business Organization Law Review. T.M.C. Asser Press, Den Haag (since 2000)

Mestmäcker, E.-J. (Ed.): Member of the Advisory Board: European Business Organization Law Review (EBOR). T.M.C. Asser Press, The Hague (since 2000)

Hopt, K. J. (Ed.): Euredia, Revue Europénne de Droit Bancaire et Financier/European Banking and Financial Law Journal. Bruylant, Bruxelles (since 1999)

Knudsen, H.; International Association of Law Libraries (Eds.): International Journal of Legal Information. West, St. Paul, Minnesota, 1999 - 2010

Hopt, K. J. (Ed.): Neue Zeitschrift für Gesellschaftsrecht. C.H. Beck, München (since 1998)

Hopt, K. J. (Ed.): European Business Law Review. Kluwer, London (since 1998)

Mestmäcker, E.-J. (Ed.): Member of the Editorial Advisory Board: Journal of International Economic Law (JIEL). Oxford University Press, Oxford (since 1998)

Basedow, J.; Fleischer, H.; Zimmermann, R. (Eds.): Rabels Zeitschrift für ausländisches und internationales Privatrecht – The Rabel Journal of Comparative and International Private Law (RabelsZ). Mohr Siebeck, Tübingen (since 1997)

Edinburgh Law Review (advisory board). LexisNexis Butterworths, Scotland, Edinburgh (since 1996)

Baum, H.; Bälz, M. (Eds.): Zeitschrift für Japanisches Recht / Journal of Japanese Law (ZJapanR / J.Japan.L.). Carl Heymanns Verlag, Köln (since 1996)

Zimmermann, R. (Ed.): JURA: Juristische Ausbildung (mitwirkender Herausgeber). De Gruyter, Berlin (since 1996)