We give our clients solutions that add value to their operations and give them a competitive edge.


Ex Mente strives to provide integrated and innovative solutions to our clients by utilising the latest technology, best practices and recognised industry standards. Through our knowledge and significant experience in the industry, we add value to our clients' operations and build long term relationships that are mutually beneficial.


  • Integrity
  • Honesty
  • Respect

Our Company

Ex Mente is a process engineering consulting and systems company. The company was founded in 2001. Our offices are located in Pretoria, South Africa. We supply process engineering solutions through consulting services, deployment of in-house developed software systems, and implementations of off-the-shelf software products.

What is the Ex Mente Difference?

We strive for excellence through the application of our extensive knowledge and experience in process engineering, combined with the deployment of process models, simulators and advanced process control systems. These all aim to deliver high returns on our clients' investments. We aim to maximise the value of our clients' plants and processes through the creative use of our knowledge, skills and experience in the following areas:

  • Metallurgical and chemical process engineering
  • Software engineering
  • Systems engineering and integration

Our company is managed and structured to achieve trustworthy and effective results, even to the most challenging client requirements. This, we believe, forms the foundation for mutually beneficial, long-term partnerships and will ensure that we reach our goal of adding value to our clients' processes.

We endeavour to exceed our clients' expectations with the solutions we provide. We aim to price our solutions and service competitively and deliver projects within budget, while continuously striving to reduce cost.

What Do We Specialise In?

Ex Mente has a proven track record of success in the fields of plant and process simulation, optimisation and information systems, and has considerable engineering experience in these fields.

We focus mainly on the following industries:

  • Pyrometallurgy
  • Hydrometallurgy
  • Mineral Processing

How Can We Add Value To Your Business?

Our clients' requirements typically include:

  • Process Analysis
  • Process Quantification
  • Process Modelling and Simulation
  • Process Monitoring
  • Advanced Process Control
  • Recipe Management and Optimisation
  • Process-Level Information Systems


The EMProcessSolution™ service aims to capture the operation-specific knowledge that goes into these calculations and make it more easily accessible for use by personnel on different levels.

Software Solutions

By embedding our models, calculations, and visualisations in software, we make it easy for our customers to understand and use. This provides them with the benefit of our underlying knowledge and experience, without confronting them with unnecessary complexity.