Our Story

Founded in 1950 as a precision engineering workshop in Johannesburg, South Africa, Andrew Mentis snr. built Mentis’ reputation on innovative solutions, quality craftsmanship, custom IP and bespoke machinery for specialised manufacturing. The company has continued capitalising on its manufacturing DNA to produce world leading steel flooring systems, handrailing, expanded metal, guardrail and other lightweight structural steel products; supplying a diverse range of industries including power generation, mining, petrochemicals, automotive, construction, food, paper, and steel.

Mentis expanded internationally by acquiring Australian firm R&R Engineering (Pty) Ltd in 2012 and Rhino Grating (Pty) Ltd in 2018. Building on its growing international reputation, the company established Mentis International, its global trading arm. Mentis products are now sought after globally, across major industrial domains. The Mentis journey is one of continuous expansion, fostered through mutually beneficial, enduring partnerships with our valued customers, suppliers and key stakeholders.

In 2019, Mentis Additive Manufacturing (Pty) Ltd t/a Mentis 3D was established as a subsidiary of the Mentis Group. It was created with a clear goal: to become the biggest additive manufacturing service provider in Africa with its unique manufacturing-as-a-service platform.

We invite you to join us in our relentless pursuit of quality, service and innovation as we globalise our legacy.

To view our documentation please download policies below.


The Team


Mentis Group CEO

B.Sc. Accounting & Finance

Andrew has extensive experience working as an executive, director and CEO, which also included various roles within the Mentis Group. He also has more than a decade’s experience in the heavy manufacturing space and is currently defining Industry 4.0 group strategies as well as taking the lead on the implementation of these projects in Africa, and internationally.


MD – Mentis 3D

Mentis Group – Chief People Officer

B.Com.(Hons). Industrial Psychology

Christo has an extensive career as an executive and director that included roles at various bluechip companies such as Barloworld, EVA group and Bombardier. He is passionate about being able to make the connections between people and business objectives, so often missed, but crucial for the survival and ultimate success of any business.