Private company

Investors Overseas Service

Financial services company

Investors Overseas Services, Ltd. (IOS) was founded in 1955 by financier Bernard Cornfeld. The company was incorporated outside the United States with funds in Canada and headquartered in Geneva, Switzerland. In the 1960s, the company employed 25,000 people who sold 18 different mutual funds door-to-door all over Europe, operating mostly in Germany with small investors.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1955Founded1
  • Legal formcompany1

Investors Overseas Services, Ltd. (IOS) was founded in 1955 by financier Bernard Cornfeld. The company was incorporated outside the United States with funds in Canada and headquartered in Geneva, Switzerland.2

The story

Founded by Bernard Cornfeld in 1955.1

Leadership

Who has led Investors Overseas Service, and when. Pick a name to see everywhere that person has worked.

Timeline

  1. 1955Founded Founded1

Sources

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