# 7-Main Ltd.

7-Main Ltd. is a Single Family Office based in Herzliya, Israel.

## Overview

- **Organization type:** Single Family Office
- **Headquarters:** Herzliya, Israel
- **Region:** Asia
- **Address:** Herzliya, Israel
- **Founded:** 2007
- **Assets under management:** Undisclosed
- **Website:** 7-main.com
- **LinkedIn:** https://www.linkedin.com/company/7-main-ltd./

## Regulatory record

- **Reports private funds:** No

## About

7-Main Ltd. was established in 2007 by Ruthi Wertheimer after the 2006 sale of the family's precision-cutting-tool business IMC Group. The office maintains headquarters in Herzliya and oversees capital derived from that transaction. Deployment centers on patient minority growth equity in industrial and life-science businesses. Confirmed focuses include Industrial Tech, SpaceTech, and Healthcare Services. Activity spans Europe and the Middle East through direct co-investments and SPVs. The firm has partnered with Exor N.V. on Welltec and maintains ties to Berkshire Hathaway from the original IMC transaction. Additional holdings include multiple industrial parks in Israel and Turkey plus the Ruthi Wertheimer Glass Art Collection. Ruthi Wertheimer participates in the Harvard Advanced Management Program and supports the Glass Art Society. Philanthropic activity includes the Atidim foundation. No public AUM figure exists.

## Sectors

- Industrial Tech
- SpaceTech
- Healthcare Services

## People

- Ruthi Wertheimer — Principal
- Guy Asher Harmelin — Former Managing Director

## Questions

### Who runs investment decisions at 7-Main Ltd.?

Ruthi Wertheimer serves as principal. Former managing director Guy Asher Harmelin previously led operations.

### Does 7-Main Ltd. participate in fund commitments or only direct deals?

The office executes direct co-investments and SPVs rather than fund commitments.

### What investment stages does 7-Main Ltd. typically target?

Activity centers on growth-stage opportunities in mid-size companies.

### How is 7-Main Ltd. related to Exor N.V.?

Ruthi Wertheimer serves on the Exor board and the two entities have co-invested in Welltec.

## Related profiles

- [4S Bay Partners](https://altss.com/profile/4s-bay-partners-llc-steven-sarowitz-family-office)
- [850 Management](https://altss.com/profile/850-management)

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Last updated: 2026-08-10T15:54:10.904Z

Canonical page: https://altss.com/profile/7-main-ltd-ruthi-wertheimer-family-office

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