Company · Media & Gaming

Bubok

bubok.com ↗ ·Madrid ·Seed

Bubok is a Spanish online self-publishing and print-on-demand platform, founded in Madrid in 2008, that lets authors publish, distribute, and sell books in digital and paper formats for free, with over 120,000 registered authors. It also runs a physical bookstore/event space in central Madrid and generates revenue via printing, editorial, and marketing services sold to independent authors.

Founded

2008

Founders

News

Rounds

Investors

SectorsSelf-publishing, Publishing, Print-on-demand, Creator economy Start-up MapMedia & Gaming › Creator & publishing tools

Profile updated 31 Jul 2026

Founders

Fátima Álvarez

Founder

—

Ruth Vicente Olózaga

Co-founder & Financial Director (CFO)

Sergio Mejías Sánchez

Co-founder & CEO

Ángel María Herrera Burguillo

Founder

Global models 5

Wattpad

Canada · www.wattpad.com ↗

User self-publishing/storytelling platform where writers post and distribute serialized fiction directly to readers, same author-to-reader self-publishing model as Bubok.

$118MComparable

Inkitt

Germany · www.inkitt.com ↗

Self-publishing platform for novelists that uses reader data/AI to identify and promote bestsellers, directly comparable to Bubok's author self-publishing model.

$117MComparable

Radish Fiction

United States · radishfiction.com ↗

Mobile serialized fiction platform enabling independent authors to self-publish and monetize stories, same self-publishing/creator model.

$68MComparable

Blurb

United States · www.blurb.com ↗

Print-on-demand and ebook self-publishing platform for independent authors, the closest direct model match to Bubok's print-on-demand book publishing.

$24.1MComparable