About us


Armstrong Muller Consulting was founded in 1995 by Trevor Armstrong and David Muller, who had worked together previously as Senior Executives at KPMG.


The vision of Trevor and David was to create a high quality team that is well regarded in their area of specialty to ensure professional, appropriate, ethical and timely services for all clients.

Our Values

Approachable; customer first; quality; integrity; trust; collaboration; innovation.

We care about the end result.

Our Approach

Armstrong Muller Consulting is a professional consulting practice delivering services:

  • By assisting clients meet their commercial challenges through tailored services and “partnering” with our clients
  • By being Responsive and giving Personal, Prompt and high Quality Service
  • With Integrity, Frankness and Openness

Importantly we are independent of conflicts and have no entwined service obligations so that we can focus on your priorities.

Our Team

Armstrong Muller Consulting only recruits high quality consultants and has a proven team, having worked together in various roles over an extended period. As a result we have networks and client relationships around Australia.

Our team have a mix of professional backgrounds and qualifications, which enables us to focus on solutions.

Key Markets

SME’s across a broad range of industries including Professional services, Surveying, Engineering, Manufacturing, Transport, Food, Primary Production, Water and Tourism. View Corporate Services.

Service Providers in The Disability Sector – Armstrong Muller Consulting has undertaken numerous jobs with service providers in the disability sector as they respond to the changes resulting from the transition to the NDIS

Indigenous Organisations – Armstrong Muller Consulting has undertaken several dozen projects across Australia for Federal and State Governments as well as Indigenous groups. We are highly experienced in this area and can deliver outcomes with care and sensitivity to cultural needs across a number of States but with a particular focus on South Australia, Northern Territory and Western Australia. View Indigenous Services.