Company: African Rainbow Minerals
Country: South Africa
Sector: Diversified Mining (Iron Ore, Manganese, Chrome, PGMs, Nickel, Coal)
CEO: Phillip Tobias
Website: https://arm.co.za/
Careers Page: Not publicly listed
LinkedIn: Not publicly listed
Email: Not publicly listed
Headquarters: Sandton, Johannesburg, South Africa
Founded: Not publicly listed
Valuation/Revenue: $642.1m revenue / $1,951.5m market value (African Business Top 250, 2025)
African Rainbow Minerals (ARM) is a major diversified South African mining company, mining and beneficiating iron ore, manganese ore, chrome ore, platinum group metals (PGMs), nickel and coal, with additional manganese alloy production in Malaysia and a strategic shareholding in Harmony Gold Mining Company. It is listed on the Johannesburg Stock Exchange and is one of South Africa’s most prominent black-owned and black-managed mining groups, founded by South African billionaire businessman Patrice Motsepe.
What Does African Rainbow Minerals Do?
ARM is a diversified mining house operating across several commodity classes: iron ore (through its stake in Assmang, a joint venture with Assore), manganese ore and alloys, chrome ore and ferrochrome, platinum group metals through joint ventures including Two Rivers Platinum and Modikwa, nickel, and coal used for both export and Eskom’s domestic power stations. This commodity diversification is designed to smooth earnings volatility, since different minerals tend to move through price cycles at different times, while its strategic stake in Harmony Gold gives it additional indirect exposure to gold prices without operating gold mines directly.
Is African Rainbow Minerals Legit?
Yes. ARM is a long-listed company on the JSE with decades of operating history, audited annual financial statements, and joint venture partnerships with other major South African and international mining houses, including Assore, African Rainbow Capital-linked entities and Anglo American Platinum (Amplats) in various PGM operations.
How Big Is African Rainbow Minerals?
African Business’s Top 250 Companies in Africa (2025) recorded ARM’s revenue at approximately $642.1 million with a market value of about $1.95 billion, reflecting the market’s typically higher valuation multiple for diversified mining companies relative to reported revenue, driven by commodity price expectations and reserve life. ARM has recently sanctioned major new capital projects, including a multi-billion-rand investment to redevelop the Bokoni platinum group metals project, aimed at bolstering the group’s PGM production as part of its long-term growth strategy.
Who Is the CEO of African Rainbow Minerals?
Velile Phillip Tobias has served as Chief Executive Officer of African Rainbow Minerals since 1 May 2023, succeeding long-serving CEO Mike Schmidt, who led the company for roughly a decade before Tobias’s appointment as part of a planned succession process.
Who Owns African Rainbow Minerals?
African Rainbow Minerals was founded and remains chaired by Patrice Motsepe, one of Africa’s best-known businessmen and South Africa’s first black billionaire, whose African Rainbow Minerals and Exploration investment vehicle holds a significant controlling stake in the listed company, alongside public shareholders on the JSE.
Where Is African Rainbow Minerals Headquartered?
ARM’s head office is in Sandton, Johannesburg, South Africa, with its mining and beneficiation operations spread across South Africa’s Northern Cape, Limpopo, Mpumalanga and North West provinces, plus its manganese alloy smelting operations in Malaysia.
How Does African Rainbow Minerals Compare to Its Competitors?
In iron ore and manganese, ARM’s key competitor and joint-venture partner is Assore (through their shared Assmang venture), while it also competes with global giants like Anglo American and South32 across various commodities. In platinum group metals, ARM’s joint ventures put it alongside Anglo American Platinum, Sibanye-Stillwater and Northam Platinum as major South African PGM producers. In coal, ARM competes with Exxaro, Thungela and Glencore’s South African coal operations for both export and Eskom supply contracts.
What Has African Rainbow Minerals Been in the News For Recently?
ARM has recently made headlines for greenlighting a multi-billion-rand investment in the Bokoni Project to expand PGM production, alongside board and executive changes including the appointment of a new Chief Operating Officer effective February 2026. The company, like other South African miners, has also featured in coverage of Eskom power constraints, freight-rail logistics bottlenecks at Transnet, and their combined impact on export volumes for bulk commodities like iron ore, manganese and coal.
How Old Is African Rainbow Minerals?
African Rainbow Minerals traces its origins to the mining investment vehicles built by Patrice Motsepe beginning in the 1990s, with the company’s modern corporate structure taking shape through a series of mergers and restructurings in the early-to-mid 2000s that combined Motsepe’s African Rainbow Minerals and Exploration business with other mining assets to create the diversified, JSE-listed ARM known today. Over roughly three decades, ARM has grown from a black economic empowerment-focused mining investment vehicle into one of South Africa’s largest diversified mining houses by market capitalisation, a trajectory closely tied to Motsepe’s broader rise as one of the continent’s most prominent business figures.
Links
Website: https://arm.co.za/
Careers Page: Not found
LinkedIn: Not found
Email: Not publicly listed
FAQ
Is African Rainbow Minerals a public company?
Yes, it is listed on the Johannesburg Stock Exchange.
Who owns African Rainbow Minerals?
Patrice Motsepe, through his African Rainbow Minerals and Exploration vehicle, holds a controlling stake, with the remainder publicly traded.
Who is the CEO of African Rainbow Minerals?
Phillip Tobias, CEO since 1 May 2023.
What commodities does African Rainbow Minerals mine?
Iron ore, manganese, chrome, platinum group metals, nickel and coal, plus a strategic stake in Harmony Gold.
Where is African Rainbow Minerals headquartered?
Sandton, Johannesburg, South Africa.
Who founded African Rainbow Minerals?
Patrice Motsepe, South Africa’s first black billionaire, founded and chairs the company.

