About Cortexx
Making business systems work together since 1997.

About Cortexx Software, a software and ERP company in Markham, Ontario

We build the Nexus integration platform, implement Spire ERP, and write custom software for businesses across Canada and the United States, from our office in the Greater Toronto Area.

29
Years in business
20+
Year client relationships
Authorized Partner
Our story

From a one-person operation to a team clients keep for decades

Cortexx Software started in July 1997 as a one-person operation in the Greater Toronto Area. It has grown into a software company trusted by businesses across Canada, built on nearly three decades of ERP expertise and client relationships that last, some of them now more than twenty years old.

Along the way we learned a simple truth: the biggest gains don't come from adding another tool. They come from making the tools you already run work together. That is what drove us to build Nexus, our platform that brings every corner of your business into one intelligent picture.

We are an Authorized Spire Integration Partner, and the team you meet is the team that does the work. We don't outsource it.

“There isn't a problem we can't solve. The impossible just takes us a little longer.”
Ricardo Guevara Founder & President
Leadership

The people behind Cortexx and Nexus

Ricardo Guevara

Founder & President

Ricardo founded Cortexx in 1997 and has led it since. He sets the direction for Nexus, the integration platform Cortexx builds, and for the company's Spire ERP practice.

Maxim Guevara

Business Development Manager

Maxim works with businesses looking at Nexus and Spire ERP, from the first conversation through to getting started.

What we do

Three practices, one team

Nexus Platform

Our integration platform. It connects the systems your business runs on (ERP, CRM, e-commerce and more) into one picture you can ask plain-English questions of.

Learn more about Nexus →

Spire ERP Implementation

As an Authorized Spire Integration Partner, we implement Spire, move your data across, train your team, and stay with you through go-live.

Explore Spire services →

Software Development

iOS apps, web apps and custom programs, built for the way your business works when nothing off the shelf fits.

See what we build →
What we stand for

Integrity, Security, and Efficiency

They aren't just words. They're the standard every product we ship and every client relationship we keep is held to.

Integrity

We tell you honestly whether a problem needs custom software, an off-the-shelf tool, or a Nexus integration.

Security

When Nexus uses AI, we publish what the model sees, what it can never touch, and how you can check both yourself.

How Nexus handles AI →

Efficiency

We build the smallest thing that solves the problem, ship it, and grow it with you.

Where we are

Markham, Ontario, in the Greater Toronto Area

Our office is in Markham, north of Toronto. We work with businesses across Canada and the United States, and we are always glad to meet in person.

Open in Google Maps →
Office
40 Shields Ct
Markham, ON L3R 0M5
Hours
Monday to Friday
8:00 am to 5:00 pm
Phone
(905) 477-6211
Sales
nexus@cortexx.com

Let's Talk About Your Systems

Book a demo, ask about pricing, or describe a problem you'd like solved. You will be talking to the people who do the work.

Nexus Customer Portal

Sign in to view your project, progress, documents, and invoices.

Trouble signing in? support@cortexx.com