JB46

JB46 is an institutional microcap investor partnering with entrepreneurs to build lasting companies. JB46 Partners is a leading institutional investor in...

JB46

JB46 is an institutional microcap investor partnering with entrepreneurs to build lasting companies. JB46 Partners is a leading institutional investor in search funds and entrepreneurship through acquisition (ETA). The firm backs entrepreneurial talent to acquire and grow SMEs across Europe, the United States, Canada, Mexico, and Brazil, and has a track record of backing search funds for over a decade with a portfolio of operating companies across Europe and the Americas.

Website

www.jb46.com

linkedin.com/company/jb46

General information

Firm type

Private Equity

Year founded

2015

Location

Region

Europe

Country

Spain

City

Madrid

Corporate office

Madrid, Spain

Principals

Adriana Liron

Operations Manager

Chema Jerez

Partner

Esteban Kallay

CEO

Jorge de Gortari

Partner

Jorge Maortua

Chairman

Jorge Maortua

Managing Partner

Jose Manuel Colina

Partner

Marcelo Castro

Partner

Mauro Buono

Investment Manager

Mick Albero

Partner

Miguel Ángel Cestero

Partner

Paco Galiana

Partner

What is JB46's primary investment focus?

JB46 operates as a private equity firm with a venture capital focus, pursuing generalist investments in technology companies. The firm does not publicly disclose a narrow sector specialization, positioning it as a generalist tech investor in the European market.

Who manages JB46?

The individual principals and investment decision-makers at JB46 are not publicly identified in available official sources. The firm operates without a prominent public leadership profile, which is not uncommon for privately held venture firms that do not actively market to institutional LPs through commercial databases.

Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: Aug 11, 2026. Continuous refresh with full update cycles at least every 30 days.