Hochschild Mining
Corporate brand
UnclaimedHochschild Mining is a British-based precious-metals company focused on underground silver and gold mining in the Americas.
Last updated August 31, 2026
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Overview
Hochschild Mining plc is a precious-metals mining company with roots in the South American mining operations established by Moritz "Mauricio" Hochschild in 1911. The company developed from a broader mining business associated with Bolivia and Chile into a publicly listed producer focused primarily on silver and gold. It is headquartered in Lima, Peru, maintains a corporate office in London, and is listed on the London Stock Exchange, where it is a constituent of the FTSE 250 Index according to the cited reference material. The company's operating model centers on the exploration, development and underground extraction of precious metals, particularly from narrow-vein deposits. This geological and operating focus differentiates Hochschild from diversified miners with large open-pit operations: its portfolio has historically emphasized underground mines in Latin America, where the company has developed expertise in selective mining, mineral processing and the management of complex high-grade ore bodies. Hochschild expanded its modern operating footprint during the 2000s. It began operations at the San José mine in Argentina in June 2007, the Moris mine in Mexico in August 2007 and the Pallancata mine in southern Peru in September 2007. Its principal mines identified in the reference material are Pallancata and Inmaculada in Peru and San José in Argentina. These assets have made Peru and Argentina central to the company's silver-and-gold production profile, while its broader exploration and corporate interests have extended into Chile, Brazil and Mexico. The company produces and sells precious-metal-bearing mineral products, including silver and gold contained in concentrates and other mine output. Rather than presenting itself as a consumer-facing product brand, Hochschild Mining operates as a resource company whose value is tied to mineral reserves and resources, mine performance, permitting, commodity prices, capital discipline and the environmental and social management of its operations. Hochschild has also held a majority interest in Aclara Resources, a company pursuing rare-earth-element projects in Chile and Brazil. This investment gives the group exposure beyond its traditional silver-and-gold base, although the company's defining business remains precious-metals mining. The portfolio and ownership structure can change over time as assets are developed, suspended, sold or brought into production. Its history also includes community and regulatory challenges. In 2012, people in Chumbivilcas raised complaints concerning the Ares mine in Peru. The Peruvian government temporarily suspended operations at Ares so that an environmental audit could be conducted. The episode illustrates the importance of environmental oversight, community relations and government permitting to Hochschild's operating model. The company presents sustainable and responsible mining as an important part of its business approach, but individual projects remain subject to local regulation and stakeholder scrutiny.
History
Hochschild Mining traces its origins to 1911, when Moritz "Mauricio" Hochschild established the mining business associated with his name. Hochschild was one of South America's prominent tin entrepreneurs, and the early business had mining interests in several countries, especially Bolivia and Chile. The company's historical foundation therefore predates its modern identity as a London-listed silver-and-gold producer. Over time, the business evolved toward precious-metals mining in Latin America. Its modern operating strategy has emphasized underground extraction from narrow-vein deposits, requiring selective mining methods and detailed geological control. This focus has shaped both the company's asset selection and its technical identity within the mining sector. Hochschild Mining first listed on the London Stock Exchange in 2006. The listing gave the company access to international capital markets and established a public-market structure for its expanding precious-metals portfolio. During 2007, it brought several important operations into its production system: San José in Argentina began operating in June, Moris in Mexico followed in August, and Pallancata in southern Peru began operations in September. Peru subsequently became one of the company's principal operating countries. The reference material identifies Pallancata and Inmaculada as key Peruvian mines, while San José is identified as a principal Argentine mine. The company has also maintained exploration and development interests across the Americas, reflecting the geological importance of the region for silver and gold. The company's history includes the regulatory and social complexities common to extractive industries. In 2012, residents in the Chumbivilcas area complained about the Ares mine. In response, the Peruvian government temporarily suspended operations so an environmental audit could be undertaken. The event demonstrates how mine operations depend not only on geology and economics but also on environmental review, permitting and relationships with nearby communities. In addition to its traditional precious-metals assets, Hochschild has held a 55.9% interest in Aclara Resources, which is pursuing rare-earth-element mining projects in Penco, Chile, and in Brazil. The reference material also describes plans associated with a future rare-earth separation plant in Louisiana, United States. This investment broadens the group's strategic exposure beyond silver and gold, although Hochschild Mining's core historical and operating identity remains that of a precious-metals producer. The company is British-based, headquartered operationally in Lima with a corporate office in London, and its shares trade on the London Stock Exchange. Eduardo Hochschild is identified as its main shareholder. Its continuing business is centered on discovering, developing and operating mines, producing silver and gold, managing environmental and social obligations, and maintaining a portfolio capable of supporting long-term mineral production.
- 2012
Ares mine temporarily suspended for environmental audit
[1]After local complaints in Chumbivilcas, the Peruvian government temporarily suspended Ares operations to conduct an environmental audit.
- 2007
San José mine enters operation
[1]Operations began at the San José mine in Argentina in June.
- 2007
Moris mine enters operation
[1]Operations began at the Moris mine in Mexico in August.
- 2007
Pallancata mine enters operation
[1]Operations began at the Pallancata mine in southern Peru in September.
- 2006
London Stock Exchange listing
[1]Hochschild Mining was first listed on the London Stock Exchange, formalizing its status as an international public mining company.
- 1911
Mining business founded
[1]Moritz "Mauricio" Hochschild founded the business that later developed into Hochschild Mining, with early mining activities concentrated in Bolivia, Chile and other South American markets.
Products and positioning
A Latin America-focused precious-metals mining group specializing in underground, narrow-vein silver and gold deposits, with additional exposure to rare-earth development through its interest in Aclara Resources.
Precious metal
Silver
Silver is Hochschild Mining's principal historical commodity. The company extracts silver-bearing ore from underground operations and processes it into mine products, including concentrates containing payable silver. Production is dependent on the grade, recovery characteristics and operating status of individual deposits.
Precious metal
Gold
Gold is produced alongside silver from the company's polymetallic precious-metals deposits. Hochschild's gold output is associated with its Latin American underground mine portfolio and is generally marketed through concentrates or other processed mine products rather than as a consumer-facing finished good.
Mineral concentrate
Silver-gold concentrates
Silver-gold concentrates are processed mineral products made by concentrating ore extracted from the company's mines. They contain payable precious metals and are supplied into the metals-processing chain. The exact composition and production profile vary by mine, ore body and processing plant.
Critical minerals development
Rare-earth-element project interests
Through its majority interest in Aclara Resources, Hochschild has exposure to rare-earth-element development projects in Chile and Brazil. These interests represent diversification beyond the group's established silver-and-gold business and remain tied to project development, permitting, construction and future production decisions.
Brand decisions
2012
Temporary Ares mine suspension for environmental reviewOtherBackground
Local people in Chumbivilcas complained about the Ares mine, prompting government scrutiny of the operation.
Action taken
The Peruvian government temporarily suspended Ares operations so an environmental audit could be carried out.
Aftermath
The incident placed environmental assessment and local stakeholder concerns at the center of the mine's operating status. The cited material does not state the audit's final findings or the precise date of resumed operations.
2007
Expansion of producing mine portfolioProduct launchBackground
The company was expanding its operating base across Latin America.
Action taken
Hochschild brought San José in Argentina, Moris in Mexico and Pallancata in Peru into operation during 2007.
Aftermath
The three operations broadened the company's producing footprint across South and North America.
2006
Public-market expansion through London listingStrategyBackground
Hochschild Mining had developed a modern portfolio of precious-metals operations and sought access to international equity capital and a broader investor base.
Action taken
The company listed its shares on the London Stock Exchange.
Aftermath
The listing established Hochschild Mining as a publicly traded international mining group; the cited material does not provide financial results attributable to the listing.
- Diversification through Aclara ResourcesStrategy
Background
Hochschild's historical business is concentrated in silver and gold, while rare-earth elements offer exposure to a different critical-minerals market.
Action taken
The company held a 55.9% interest in Aclara Resources, which pursues rare-earth-element projects in Chile and Brazil.
Aftermath
The interest broadened Hochschild's resource exposure beyond precious metals. The cited material does not provide the transaction date or financial terms.
Recent events
Reported
C3 Metals completes acquisition of Jasperoide project interests[3]
C3 Metals completed its acquisition of Hochschild Mining's 100% interest in the Jasperoide Copper-Gold Project held by Ares, issuing 25,001,540 common shares to Ares as part of the acquisition.
Reported
C3 Metals agrees to acquire Hochschild’s Jasperoide project interest[4]
C3 Metals announced that it entered into a binding heads of agreement to acquire 100% of Hochschild Mining’s interest in the Jasperoide Copper-Gold Project in Peru. The transaction remains subject to TSX Venture Exchange approval.
Reported
Adamera and Hochschild sign Cooke Mountain option agreement[5]
Adamera Minerals and Hochschild Mining signed an option agreement for Hochschild to earn an interest in Adamera's Cooke Mountain gold project by funding exploration and feasibility work. Adamera will operate the project during the earn-in phase.
Reported
Adamera and Hochschild sign Cooke Mountain joint venture agreement[6]
Adamera Minerals signed an option/joint venture agreement with Hochschild Mining concerning the Cooke Mountain project.
Reported
Hochschild Mining announces acquisition of BioLantanidos deposit[7]
Hochschild Mining announced that it was acquiring the 93.8% of the BioLantanidos deposit it did not already own for $56.3 million, consolidating ownership of the Chilean project.
Sources7 sources
- 1Hochschild Miningen.wikipedia.org
- 2Hochschild Mining official websitehochschildmining.com
- 3C3 Metals完成收购Jasperoide项目权益menafn.com
- 4C3 Metals同意收购Hochschild持有的Jasperoide项目权益finanznachrichten.de
- 5Adamera与Hochschild签署Cooke Mountain项目期权协议mining.com
- 6Adamera与Hochschild签署Cooke Mountain合资协议investingnews.com
- 7Hochschild Mining宣布收购BioLantanidos矿床directorstalkinterviews.com
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