Guinea Alumina Corporation

What Guinea Alumina Corporation does

Guinea Alumina Corporation SA (GAC) was the bauxite mining subsidiary of Emirates Global Aluminium PJSC (EGA), a UAE-based industrial company and the world's largest 'premium aluminium' producer. Incorporated in Guinea, GAC was founded in 2001 and operated an integrated bauxite extraction and export business in the Boké province, moving ore from open-pit mines via a dedicated 127-kilometre railway to a deep-water bulk export terminal at the port of Kamsar on Guinea's Atlantic coast. The company held rights to approximately 400 million tonnes of bauxite mineral resources in its development area and had invested a cumulative $1.4 billion into the integrated mining-railway-port complex.

GAC's revenue model was B2B commodity export, selling bauxite ore primarily as captive feedstock into EGA's downstream aluminium smelting operations. The company employed 3,200 permanent staff and recorded $244 million in direct expenditures in Guinea during 2024. GAC was the first company in Guinea to achieve Aluminium Stewardship Initiative (ASI) certification, differentiating on responsible sourcing credentials relevant to energy-transition-linked aluminium demand. Its customer base was effectively a single counterparty — its parent EGA — making it a vertically integrated upstream arm rather than an independent market-facing producer.

As of 23 August 2025, GAC's operating status is closed. The Republic of Guinea revoked the company's mining licence in August 2025, citing GAC's failure to build a committed 1 million tonne-per-year alumina refinery, and transferred the lease to state-owned Nimba Mining Company. EGA recorded a $765 million impairment charge associated with the loss of its Guinea subsidiary. GAC announced its exit from Guinea following the expropriation, and its corporate website now operates in an archival-only capacity.

Name

Guinea Alumina Corporation

Legal name

Guinea Alumina Corporation S.A

Website

https://gacguinee.com

Company type

Private

Founded year

2001

Operating status

Closed

Headcount range

501–1,000 employees

Short description

Guinea Alumina Corporation SA was the wholly-owned bauxite mining subsidiary of Emirates Global Aluminium, operating integrated open-pit mining, rail haulage, and port export infrastructure in Guinea's Boké province to supply captive feedstock into EGA's aluminium smelting operations until licence revocation in August 2025.

Ownership category

akta.pro rank

Product category

Bauxite Mining

NAICS

Other Metal Ore Mining (21229)

SIC

Metal Mining (1000), Miscellaneous Metal Ores (1090)

akta.pro industry

PRIMARYIMAKACAA

Bauxite Mining & Beneficiation

Industrials, Manufacturing & Construction/Metals & Mining/Aluminum (Bauxite, Alumina & Primary/Secondary Smelting)

Keywords

• Bauxite mining operations
• Bauxite ore export
• Mineral resource extraction
• Railway port logistics
• Alumina feedstock supply

Headquarters

HQ city

Conakry

HQ country

Guinea

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Operations, Infrastructure, Personnel, Supply Chain

Revenue model

1. Bauxite Mining and Export: GAC operated as a bauxite mining subsidiary of Emirates Global Aluminium, extracting and exporting bauxite ore from Guinea. The company generated revenue through the sale and export of mined bauxite to alumina refineries. GAC generated $244 million in direct expenditures in Guinea in 2024. EGA reported a $765 million charge associated with GAC's revoked mining licence in 2025.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Guinea Alumina Corporation mined and exported bauxite ore from mining concessions in Guinea's Boké province, transporting extracted ore via a dedicated 127km railway to its deep-water port terminal at Kamsar for seaborne bulk export to alumina refineries and aluminium producers worldwide. As a wholly-owned subsidiary of Emirates Global Aluminium, GAC supplied bauxite feedstock for EGA's aluminium smelting operations and third-party alumina refineries. Note: GAC's mining activities in Guinea were terminated on 23 August 2025 following revocation of its mining licence by the Republic of Guinea.

Product overview

Guinea Alumina Corporation (GAC) is a wholly-owned subsidiary of Emirates Global Aluminium, operating as an integrated bauxite mining and export business. The company operates three core components: bauxite mining operations in the Boké province, a railway system transporting ore to the coast, and port facilities at Kamsar for export. The company has invested $1.4 billion in total development and generated $244 million in direct expenditures in Guinea in 2024. Note: The company's mining activities in Guinea were terminated on 23 August 2025 following expropriation by the Republic of Guinea.

Differentiator

Problem solved

Functional benefit

Products and services

• Bauxite Mining Operations

Quantifiable outcome

• 3,200 permanent jobs created
• +2 more outcomes

Named customers1 record

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

One partnership is on record.

• Emirates Global Aluminium (EGA)coreOthersEGA is the parent company and sole owner of Guinea Alumina Corporation. GAC is the wholly-owned bauxite mining subsidiary of EGA, the world's largest 'premium aluminium' producer. GAC operated as EGA's source of raw material feedstock for its aluminium smelting operations. Following the revocation of GAC's mining licence in August 2025, EGA condemned the Guinean government's actions and GAC announced it would exit Guinea after expropriation.

Scale indicators6 records

Recent moves7 records

Expansion highlights3 records

Direct peers

• Compagnie des Bauxites de Guinée (CBG): CBG is the largest bauxite producer in Guinea, operating a joint venture between the Guinean government, Rio Tinto, and other partners. It is the most direct comparable to GAC as it mines and exports bauxite from the Boké region using a dedicated railway and port infrastructure.
• Société Minière de Boké (SMB): SMB is a major Guinean bauxite producer operating in Boké province with integrated mining-rail-port infrastructure comparable to GAC's. It is one of the principal competitors operating in the same geography and value chain segment.
• Alufer Mining: Alufer Mining developed and operated the Bel Air bauxite mine in Guinea, exporting through the Port of Buchanan in Liberia. As a peer bauxite producer in West Africa with similar export-oriented infrastructure, it is directly comparable to GAC's operating model.

Regional players

• Nimba Mining Company: Nimba Mining is the Guinean state-owned entity to which GAC's mining lease and infrastructure were transferred following the August 2025 expropriation. It now operates the assets GAC previously owned and is the natural successor comparable in geography and scope.

Broad incumbents

• Emirates Global Aluminium (EGA): EGA is the parent company of GAC and the world's largest 'premium aluminium' producer, with vertically integrated bauxite mining, alumina refining, and primary aluminium smelting. It is the primary captive customer of GAC and the entity bearing the $765M impairment charge.
• Rio Tinto (Aluminium): Rio Tinto is a global integrated aluminium producer with major bauxite mining interests, including a stake in CBG in Guinea. It is comparable as a broad incumbent in the same bauxite-aluminium value chain that GAC served.
• Alcoa Corporation: Alcoa is one of the world's largest bauxite miners and alumina refiners, with operations across the global bauxite belt. It is a broad incumbent comparable to EGA's bauxite-aluminium value chain in which GAC was embedded.
• Norsk Hydro ASA: Norsk Hydro is a major integrated aluminium producer with bauxite mining, alumina refining, and smelting operations globally. It is comparable to GAC as part of the same vertically integrated bauxite-to-aluminium supply chain.
• Hindalco Industries (Aditya Birla Group): Hindalco is a major Indian aluminium and copper producer with captive bauxite mines in India and overseas. It is comparable as a broad incumbent operating integrated bauxite-aluminium production similar in vertical structure to the EGA-GAC arrangement.
• China Hongqiao Group: China Hongqiao is the world's largest primary aluminium producer, with significant captive bauxite sourcing interests in Guinea and Indonesia. It is a broad incumbent buyer and producer competing for Guinean bauxite resources that GAC historically supplied.

Market position

Strengths2 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights5 records

Customer concentration

• Xx.com/gac_guinee
• Facebookfacebook.com/guineaaluminacorporationsa
• LinkedInlinkedin.com/company/guineaaluminacorporationsa

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Guinea Alumina Corporation