Metallium Company Description

Metallium Limited, through its subsidiaries, engages in the mineral exploration and metal recovery technology business in Australia, Canada, and the United States.

The company explores for gold, niobium, base metals, lithium, nickel, cobalt, graphite, and rare earth elements.

It also engages in the development and commercialization of flash joule heating technology for the recovery of critical and precious metals from end-of-life electronics, industrial residue, and mineral ore-based feedstocks.

Metallium Limited was formerly known as MTM Critical Metals Limited and changed its name to Metallium Limited in July 2025.

The company was incorporated in 2020 and is based in Subiaco, Australia.

Metallium Limited

Country	Australia
Founded	2020
Industry	Other Industrial Metals & Mining
Sector	Materials
CEO	Michael Walshe

Contact Details

Address: 22 Railway Road Subiaco, Washington 6008 Australia
Phone	61 8 6391 0112
Website	metalliuminc.com

Stock Details

Ticker Symbol	MTM
Exchange	Australian Securities Exchange
Fiscal Year	July - June
Reporting Currency	AUD
ISIN Number	AU000000MTM3
SIC Code	1000

Key Executives

Name	Position
Michael Walshe M.B.A.	Chief Executive Officer, MD and Director
Steven T. Ragiel	President of Flash Metals USA Inc.