Cambodia’s mining sector remains one of the least developed, and consequently one of the most geologically underexplored, in mainland Southeast Asia. For most of the past two decades this has been read as a weakness — evidence of a sector stuck in the exploration phase rather than exploitation. A country with confirmed, commercially significant deposits of gold, bauxite and iron ore that remain largely untapped, entering a period of historically elevated global mineral prices, improving licensing infrastructure, and its first genuinely large-scale industrial mining operations reaching full production. For investors willing to accept frontier-market jurisdictional risk, Cambodia’s mining sector over 2026–2031 offers a rare combination: proven mineral wealth, low existing competition for it, and a regulatory framework that is visibly maturing rather than static.
1. The Scale of Cambodia’s Untapped Mineral Endowment
Cambodia’s confirmed mineral resource base is more substantial than the sector’s current small footprint suggests. In the southwest, exploratory work by Aluminum Development Cambodia has confirmed an estimated 350 million tons of proven bauxite reserves, with a proposed 16-million-ton-per-year operation under review, backed by approximately USD 800 million in committed capital including dedicated processing facilities and supporting infrastructure. In northern Cambodia, iron ore reserves around the Phnom Dek area of Preah Vihear province are estimated at 5 to 6 million tons of high-grade ore; Cambodia exported USD 55.2 million worth of iron ore in 2023, ranking 37th globally by export value. Manganese resources in Kampong Thom province, while more modest at around 120,000 tons, continue to serve domestic construction and manufacturing demand.
Gold is currently the sector’s most commercially advanced segment. Since production began in June 2021, Cambodia has produced nearly nine tonnes of semi-refined gold bars, generating more than USD 14.4 million in government royalties from six companies now refining gold ore. Renaissance Minerals (Cambodia) Ltd, a subsidiary of Australia’s ASX-listed Emerald Resources NL, operates the Okvau gold mine in Mondulkiri province, which began commercial operations in June 2022 and is projected to generate approximately USD 185 million annually in pre-tax cashflow, contributing an estimated USD 40 million to the national budget through royalties and taxes. Cambodia’s other significant mining sites include Phnom Meloung in Preah Vihear, Chong Phlah in Mondulkiri, and O’Yadao in Ratanakiri province.
2. Sources of Comparative Advantage
A favourable global gold price environment
Gold prices crossed USD 3,000 per ounce in 2025 and were projected by JP Morgan, Citi and Goldman Sachs to average around USD 3,675 by Q4 2025, with some forecasts suggesting levels beyond USD 4,000 in 2026. This price environment could push Cambodia’s annual gold export earnings beyond USD 250 million, materially strengthening the economics of both existing operations and new exploration investment at a moment when Cambodia’s gold sector is only beginning to scale.
A proven, de-risked flagship project
Emerald Resources’ progression from exploration to full commercial gold production at Okvau, followed by completed permitting for its second Memot gold project — including a Mineral Investment Agreement and Industrial Mining Licence executed jointly by the Ministry of Mines and Energy and the Ministry of Economy and Finance — provides other investors a concrete, de-risked template for navigating Cambodia’s licensing process from exploration through to commercial operation. The Memot agreement’s terms, including a three-year import tax exemption, a 0% withholding tax on dividends to foreign affiliates for five years, a 3% royalty on gross sales, and a five-year stability clause protecting against adverse regulatory changes, illustrate the kind of investment-grade terms Cambodia is now prepared to offer large-scale industrial miners.
A maturing legal and licensing framework
Cambodia’s mining sector is regulated under the Law on Mineral Resource Management and Exploitation (2001, amended 2018), supported by the National Policy on Mineral Resources 2018–2028, which explicitly targets improved governance, sustainable resource management, increased government revenue, environmental protection and greater sector transparency. The Ministry of Mines and Energy now issues six distinct categories of mining license — spanning artisanal mining, pits and quarries, gemstones, mineral transforming, exploration, and industrial mining — giving investors of different scales a defined regulatory pathway rather than a single undifferentiated license type.
Demonstrated fiscal contribution and government commitment
The mining sector generated close to USD 100 million in non-tax revenue in the most recent reporting period, an approximately 80% increase compared with the prior year, giving the government a clear and growing fiscal incentive to continue improving the sector’s investment climate rather than treating it as a marginal contributor to the budget.
Genuine geological diversity
Beyond gold and bauxite, Cambodia’s confirmed and prospective mineral base spans iron ore, manganese, copper, gemstones, limestone, zircon and other industrial minerals, supported by a geological framework the government is now working to document and digitize more comprehensively — a diversification that reduces investor dependence on any single commodity cycle.
3. Segment-Level Opportunities for 2026–2031
| Segment | Five-Year Opportunity |
| Gold exploration and mid-scale production | Cambodia’s most commercially proven segment; elevated global gold prices and Emerald Resources’ successful Okvau-to-Memot template create a replicable pathway for new entrants at greenfield sites in Mondulkiri, Preah Vihear and Ratanakiri. |
| Bauxite extraction and downstream alumina processing | The proposed 16-million-ton-per-year, USD 800 million operation signals investor confidence at scale; downstream alumina or aluminum processing investment could capture additional value beyond raw ore export. |
| Iron ore development in Preah Vihear | Confirmed high-grade reserves with an existing export track record provide a lower-risk entry point for mid-tier investors versus greenfield exploration elsewhere. |
| Industrial minerals for domestic construction | Manganese, limestone and construction aggregates serve steady domestic demand tied to Cambodia’s ongoing infrastructure and property development, offering lower-risk, demand-backed investment relative to export-dependent segments. |
| Mining services, logistics and equipment supply | Growth in industrial-scale operations creates parallel demand for specialized mining services, heavy-equipment supply, assay and geological survey services, and mine-site logistics. |
| ESG, compliance and environmental advisory services | Rising scrutiny of mining’s environmental and social impact, combined with the National Policy on Mineral Resources’ transparency goals, creates growing demand for environmental impact assessment, compliance and community-engagement advisory support. |
4. Practical Tips for Investors
For investors, mining companies and the professional-services firms supporting them, five priorities stand out for the next five years.
First, prioritize gold and bauxite as the sector’s most de-risked entry points, given the existing commercial-production template at Okvau and the substantial committed capital already behind the bauxite project.
Second, structure investment agreements to secure the kind of investment-grade terms Emerald Resources negotiated for Memot — tax exemptions, withholding-tax relief, and stability clauses — rather than accepting default licensing terms, since these terms are demonstrably negotiable for credible industrial-scale proposals.
Third, budget explicitly for infrastructure investment alongside extraction, since many of Cambodia’s most promising deposits sit in provinces where roads, power and logistics remain underdeveloped relative to project scale.
Fourth, build environmental, social and community-engagement capacity into the project plan from the outset, given both the reputational and regulatory risk associated with mining in previously remote, forested areas, and the government’s own stated transparency and sustainability goals under the National Policy on Mineral Resources.
Fifth, conduct thorough beneficial-ownership and counterparty due diligence on any joint-venture or acquisition target, given the historical opacity around smaller regional mining investors in Cambodia.
Conclusion
Cambodia’s comparative advantage in mining over the next five years rests on a genuinely favourable convergence: confirmed, commercially significant mineral reserves that remain substantially underexploited, a global gold price environment that materially improves project economics, a first generation of successful large-scale operations that provide a proven licensing and development template, and a regulatory framework that is visibly maturing under the National Policy on Mineral Resources 2018–2028. For investors specifically seeking greenfield and mid-scale opportunities in a jurisdiction where the largest deposits have not yet been claimed, Cambodia’s mining sector over 2026–2031 offers something increasingly rare in Southeast Asia: proven mineral wealth still available at a genuinely early stage of development. For better decision investor shall engage compliance and tax advisory support early to navigate QIP qualification.
Cam Accounting & Tax Service Co., Ltd., a member firm of Kreston Global, holding a GDT tax agent license, Accounting, Auditing, and liquidator licenses from ACAR, and accredited by the National Bank of Cambodia (NBC) and Trust Regulator (TR).
For more information, please contact our Accounting, Tax and Audit Expert
Ms. Haing Sivtieng, MIPA, MBA
Partner
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