
Created by Perplexity: Here is a 20‑company ranking, extending the logic and criteria of the original article (severity, scale, duration, and notoriety of controversies).
Top 20 companies with highly controversial histories
Bayer (Germany) – IG Farben participation, forced labour at Auschwitz-Monowitz, and role in supplying components for Zyklon B during the Nazi era, followed by later pharmaceutical and agrochemical controversies.watchmojo+1
Volkswagen (Germany) – Founded under the Nazi regime, heavy use of forced labour during WWII, and the modern diesel emissions‑cheating scandal affecting millions of vehicles globally.ig+1
Royal Dutch Shell / Shell plc (UK / Netherlands) – Long-running allegations over pollution and human‑rights issues in the Niger Delta, major 2004 reserves overstatement scandal, and historical controversy around Sir Henri Deterding’s interactions with Nazi Germany.royaldutchshellplc+1
“Do you think that Jewish people would invest in Shell or buy Shell products if they knew of its past close relationship with the Nazi regime responsible for the deaths of millions of Jews, for which there has been no apology by Shell?”: “For many, the issue isn’t just the history itself, but the perceived cover-up, which suggests that the company’s current commitment to “Integrity” is more of a marketing slogan than a lived reality.”
John Donovan Discussion with ChatGPT 13 February 2026

Question put to Grok 31st December 2025
17 Oct 2024








EBOOK TITLE: “SIR HENRI DETERDING AND THE NAZI HISTORY OF ROYAL DUTCH SHELL” – AVAILABLE ON AMAZON
EBOOK TITLE: “JOHN DONOVAN, SHELL’S NIGHTMARE: MY EPIC FEUD WITH THE UNSCRUPULOUS OIL GIANT ROYAL DUTCH SHELL” – AVAILABLE ON AMAZON.
EBOOK TITLE: “TOXIC FACTS ABOUT SHELL REMOVED FROM WIKIPEDIA: HOW SHELL BECAME THE MOST HATED BRAND IN THE WORLD” – AVAILABLE ON AMAZON.



















