Hamersley WA Pty Limited
Hamersley WA Pty Limited holds 17 Western Australian tenements covering 14,010 ha, in the Shire of East Pilbara. It is a subsidiary of Rio Tinto (ASX:RIO). None of its work is in open file yet: WAMEX reports become public only once their confidentiality period ends.
Who owns Hamersley WA?
Hamersley WA is a subsidiary of Rio Tinto (ASX:RIO). The group is named as a holder on 522 live Western Australian tenements.
The other companies Rio Tinto holds ground through, with the live tenements each is named on:
From Rio Tinto's consolidated entity disclosure statement, as at 2025-12-31.
Who holds paper over Rio Tinto's ground?
Hamersley WA is part of the Rio Tinto group, so these are the group's connections.
55 of Rio Tinto's live titles carry a caveat or mortgage held by another party. Rio Tinto holds caveats or mortgages over 43 live titles of other companies. It holds 251 live titles together with another holder.
Caveats and mortgages over its ground
and 8 more
It holds caveats and mortgages over
Holds ground with
and 4 more
From caveats, mortgages and joint holdings on the DMPE tenement register. A caveat protects an interest in a title, such as a royalty, an option or a loan; the register does not say which.
What Hamersley WA holds today
Hamersley WA holds 17 tenements across 14,010 ha. The register records 5 titles transferred in, the latest in May 2026.
- Which tenements they hold, by type and local government area
- Every title bought, sold or transferred, and who it was with
- Expenditure compliance across the portfolio
- Dormant ground and forfeiture exposure
- Mortgages, caveats and the expiry profile
Watching what Hamersley WA Pty Limited does next?
NextMaps tracks every WA tenement move as it registers: new applications, transfers, surrenders and status changes. Open the live map to see their current holdings against the full register record. With Premium, a holder alert emails you when this company pegs, drops or trades ground.
See their ground on the mapTenure data sourced from the DMPE public registers and SLIP WA (© Government of Western Australia, CC BY 4.0). Compiled by NextMaps. Verify against primary sources before reliance.