According to the 2020 study conducted by Handelsblatt together with ‘Best Lawyers’, Dr. Martin Strahl is one of the “Best Lawyers” in the field of taxation, as he has been since 2015.

Handelsblatt
„Wertpapiere als ‚junges Verwaltungsvermögen’ i.S. von § 13b Abs. 2 Satz 3 ErbStG bei Umschichtung innerhalb des Wertpapierdepots“
BFH-Verfahren BFH-Urt. II R 8/18 v. 22.1.2020 (vorgehend FG Münster v. 30.11.2017, 3 K 2867/15 Erb), DB 2020, 1775
„Nichtanwendung des Teilabzugsverbots für Bewirtungsleistungen“
BFH-Urt. X R 24/17 v. 26.4.2018, BStBl. 2018 II, 750

According to the JUVE Handbook, c·k·s·s is one of the recommended law firms for tax law and criminal tax law in Germany.
JUVE-Handbook 2017/2018, 902/904

JUVE Handbook 2017/2018
„Steuerliche Berücksichtigung von Zuwendungen an eine in der EU gelegene Kirche“
BFH-Urt. X R 5/16 v. 22.3.2018, BStBl. 2018 II, 651

c·k·s·s was named one of Germany’s TOP Tax Firms 2016 by FOCUS magazine in the fields of “, Redevelopment, Insolvency”, “Corporate/Corporate Income Tax”, “Corporate Succession”, “Transformation, Restructuring and M&A”, “Inheritance, Donation, Heritage” as well as “Advising Non-Profit Companies/Foundations/Associations” and “Criminal Tax Law”. The disproportionate recommendation was highlighted.
Source: FOCUS-Spezial 2018, issue February/March 2018

FOCUS-Special 2018
„Änderung nach § 32a Abs. 2 KStG nur bei Vorliegen einer verdeckten Einlage – Keine Bindung des BFH an die vom FG vorgenommene Einstufung eines Vorgangs als verdeckte Einlage“
BFH-Urt. I R 25/16 v. 31.1.2018, BFH/NV 2018, 838