A Holding Company
Built for

We are a holding company investing in ventures across infrastructure, data, and software — with a selective involvement in early technical prototyping.

Backed by the strongest platforms in tech.

Navigate Inside XXI, LLC

Navigate the company’s structure, affiliates, and investments through an interactive graph.

Latest Blog Articles

Insights and strategies on international business and investments.

Preview
Business Formation

Opening an US LLC for Non-Resident

A complete and practical guide for non-residents looking to open and manage a US-based LLC. This article explains each step from registration to taxation, including how to handle banking, compliance, and ongoing legal obligations.

Preview
Investment

Investing in Cryptocurrencies with a US LLC

Discover how to legally invest in cryptocurrencies through a US LLC, with practical insights on taxation, banking, and compliance for non-residents. Learn how to structure your company to trade securely, reduce taxes, and grow your crypto portfolio efficiently.