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We were born global

About us

Global Pioneer in SEO technologies

As a global pioneer in developing SEO technologies, Simplex delivers innovative solutions tailored to client's specific needs, helping businesses increase qualified traffic, sales, and leads.


Founded in 2017 by Brazilian and French executives, Simplex operates worldwide, with a presence in countries such as Brazil, France, the United States, Mexico, Japan, Italy, and the United Kingdom. With expertise in implementing and customizing proprietary technology platforms, Simplex transforms complexity into simplicity.


We Are Global. We Are Makers. Simplex—Complexity Made Simple.

Our History

We provide solutions for diverse businesses that rely on performance-driven digital marketing.

Our tools and processes boost qualified website traffic, driving more sales, leads, and contacts. We've successfully operated in e-commerce across multiple sectors, restaurant chains, traditional industries, tech companies, and more. Businesses worldwide use our highly tailored solutions.

People Behind the Tech

João Lee

João Lee is co-founder and CEO of Simplex. This Franco-Brazilian startup pioneered the technological approach to SEO (Search Engine Optimization) to increase qualified traffic, conversion, and online sales. An expert in digital Analytics, he was responsible for the Web Analytics area at Cnova, part of the Casino Group.

Florian Bessonnat

Florian Bessonnat is co-founder and CIO of the Franco-Brazilian startup Simplex and a professor of SEO at the University of Geneva's MBA program, which is in partnership with Columbia University (NY/USA), Google, and Microsoft.

Marcos Arantes

Marcos Arantes is the CTO of Simplex and has years of experience managing the operation of several SEO projects for clients and actively participated in the construction of Simplex's tools.


Together, they lead a tech-driven, people-first company built to scale your digital results.