- "Frequently recommended lawyer" in the area of employment law – JUVE Handbook 2016/2017
- Nicolas is among the leading names for the structuring of pensions plans in the German market. – JUVE Handbooks 2011 through 2017
- "Nicolas Rößler's expertise in occupational pensions is praised by clients and competitors." – JUVE Handbook 2016/2017
- "extraordinarily skilled in matters regarding occupational pensions" (competitor) – JUVE Handbook 2015/2016
- "Recommended lawyer" in the area of Employment – Legal 500 Deutschland 2015
- "extremely competent, especially on occupational pensions law" (competitor) – JUVE Handbook 2014/2015
- "gives foresighted advice" (client) – JUVE Handbook 2014/2015
- "is one of the few nationwide acknowledged specialists in occupational pensions law" – JUVE Handbook 2014/2015
- "very competent advice on Company Pensions Act" (competitor) – JUVE Handbook 2012/2013