Rivium is a mobile investment platform that enables Mexican investors to access US stock markets through automated portfolio management and diversified investment products. Founded in 2021 by Gabino Fraga Jesterhoudt and Gonzalo Rivera, the company operates under the legal entity Sylon Asesores, S.A. de C.V., which is registered as an independent investment advisor with the Comisión Nacional Bancaria y de Valores under folio number 30176. The platform offers robo-advisor services featuring automated rebalancing, diversified ETF portfolios from asset managers including Blackrock and Vanguard, and fractional share investing with a minimum entry point of 100 MXN. Rivium targets beginner and retail investors seeking accessible entry into long-term wealth building through US equities, bonds, commodities, and cryptocurrencies. The platform provides portfolio customization tools, financial planning assistance, and educational resources through its academy feature. In 2024, Rivium partnered with Mexican neobank Now, backed by INVEX Banco, to integrate digital banking services including debit accounts, payment functionality, and transfer capabilities directly within its app. User securities are protected up to 500,000 USD through SIPC membership, and the platform operates with transparent fee structures including 1% commission rates. The company has raised 50,000 USD from investors including Tenity, OCEAN Accelerator, 11 Tribes Ventures, and Paradox Ventures. Rivium is available on iOS and Android platforms and is headquartered in Mexico City's Roma Sur neighborhood.