# Ion-Ion (Jon Riberas Family Office)

Ion-Ion (Jon Riberas Family Office) is a Single Family Office based in Madrid, Spain.

## Overview

- **Organization type:** Single Family Office
- **Headquarters:** Madrid, Spain
- **Region:** Europe
- **Founded:** 1994
- **Website:** ionion.es
- **LinkedIn:** https://www.linkedin.com/company/ion-ion

## Regulatory record

- **Reports private funds:** No

## About

Ion-Ion (Jon Riberas Family Office) is a single-family office headquartered in Madrid, Spain. Founded in 1994, it oversees the investment and wealth management needs of Jon María Riberas Mera and his family, whose fortune originates from controlling stakes in automotive components manufacturer Gestamp and steel processor Gonvarri. The office allocates capital across private equity, real assets and diversified holdings.

---

Last updated: 2026-07-06T00:42:24.958Z

Canonical page: https://altss.com/profile/ion-ion-jon-riberas-family-office

Maintained by Altss — https://altss.com — methodology: https://altss.com/methodology
