Atalaya Mining
Spanish copper mining company focused on copper deposits and mining projects in Andalusia.
Last updated August 22, 2026
Overview
Atalaya Mining is a Spanish-focused copper mining company whose principal operating asset is the Proyecto Riotinto operation in the Riotinto-Nerva mining basin of Andalusia. The business is concerned with the development of copper deposits, the extraction and processing of ore, and the production of copper products including concentrate and cathode copper. Its activities are concentrated in Spain, particularly in the province of Huelva, where the company has developed a long-term presence around the historic Riotinto mining district. The company was established in Cyprus in September 2004 by Aristidis (Harry) Anagnostaras-Adams and Ron Cunneen. It entered public markets in May 2005 under the name Eastern Mediterranean Resources, listing on the London Stock Exchange's Alternative Investment Market. In September 2006, it adopted the name EMED Mining, under which it pursued resource and development opportunities, including its interests in the Riotinto area. A central turning point came in July 2010, when the company applied for a permit to develop the Cerro Colorado deposit, also known as Minas del Rey Salomón, within the Riotinto-Nerva mining basin. The mining permit was granted in January 2015. Commercial copper production at the Andalusian operation began in February 2016, transforming the company from an exploration and development business into a producing copper miner. In October of the same year, EMED Mining changed its name to Atalaya Mining, aligning its corporate identity with its principal mining interests. Atalaya subsequently broadened its Spanish project portfolio. In October 2020, it acquired the Masa Valverde polymetallic project, adding a development-stage asset with a broader mineral profile to its predominantly copper-oriented portfolio. In May 2021, it acquired three investigation permits in the Riotinto East area, extending its exploration footprint around the established Riotinto district. The company returned to a more prominent segment of London's public equity market in April 2024, transferring from the Alternative Investment Market to the main market of the London Stock Exchange. In January 2025, it re-domiciled its place of business from Cyprus to Spain and changed its legal name to Atalaya Mining Copper S.A. The trading identity Atalaya Mining remains associated with the company's Spanish copper operations and listed status. Atalaya's positioning is that of a focused European copper producer and project developer rather than a diversified global mining group. Its operating and development activities are organized around Spanish copper and polymetallic assets, with Proyecto Riotinto serving as its flagship operation and Masa Valverde and Riotinto East representing expansion and exploration interests. No reliable financial figures, production totals, reserve statements, or current executive appointments are provided in the supplied reference material.
History
Atalaya Mining was founded in Cyprus in September 2004 by Aristidis (Harry) Anagnostaras-Adams and Ron Cunneen. The company initially operated under the name Eastern Mediterranean Resources and became publicly traded on the London Stock Exchange's Alternative Investment Market in May 2005. In September 2006, it changed its name to EMED Mining. During its development phase, the company focused on mineral opportunities in Spain, particularly the Riotinto-Nerva mining basin in Andalusia. In July 2010, it submitted an application for a mining permit covering the Cerro Colorado deposit, also known as Minas del Rey Salomón. The permit was granted in January 2015, clearing a key regulatory hurdle for development of the Riotinto-area project. Commercial copper production began in February 2016. This marked a major transition in the company's history, establishing Atalaya as a producing copper miner rather than solely an exploration and project-development business. In October 2016, EMED Mining changed its name to Atalaya Mining, reflecting the strategic importance of its Spanish copper operations and the Riotinto name in its corporate identity. The company expanded beyond its core operating asset in October 2020, when it purchased the Masa Valverde polymetallic project. The acquisition added a project with a broader mineral character to Atalaya's portfolio. In May 2021, the company acquired three investigation permits in the Riotinto East area, increasing its exploration interests in and around the wider Riotinto district. Atalaya's public-market profile changed again in April 2024, when it transferred from the Alternative Investment Market to the main market of the London Stock Exchange. The move represented a change in listing venue within the London market rather than a change in ownership identified in the supplied material. In January 2025, the company re-domiciled its place of business from Cyprus to Spain and changed its legal name to Atalaya Mining Copper S.A. The business continues to trade under the Atalaya Mining name. Its history is therefore defined by a progression from a Cyprus-founded exploration company, through the EMED Mining period, to a Spanish-focused copper producer with operating, development, and exploration interests in Andalusia. The available reference material does not provide sufficient information to document detailed production volumes, capital expenditure, financial performance, environmental programs, labor relations, or current management appointments. Those areas should be supplemented with company filings or other authoritative sources before being treated as part of a definitive corporate history.
- 2025Spanish re-domiciliation and legal-name change
The company re-domiciled its place of business from Cyprus to Spain and changed its legal name to Atalaya Mining Copper S.A.
- 2024Transfer to the London Stock Exchange main market
Atalaya moved from AIM to the main market of the London Stock Exchange.
- 2021Riotinto East exploration expansion
The company acquired three investigation permits in the Riotinto East area.
- 2020Masa Valverde acquisition
Atalaya purchased the Masa Valverde polymetallic project in Andalusia.
- 2016Commercial copper production begins
Commercial copper production started at the Riotinto-area operation in Andalusia.
- 2016EMED Mining becomes Atalaya Mining
The company changed its name from EMED Mining to Atalaya Mining.
- 2015Cerro Colorado permit granted
The mining permit for the Cerro Colorado deposit was granted.
- 2010Riotinto-area mining permit application
The company applied for permission to develop the Cerro Colorado, or Minas del Rey Salomón, deposit in Andalusia.
- 2006Name changed to EMED Mining
Eastern Mediterranean Resources adopted the corporate name EMED Mining.
- 2005Listing on AIM
The company listed on the Alternative Investment Market of the London Stock Exchange as Eastern Mediterranean Resources.
- 2004Company founded in Cyprus
Aristidis (Harry) Anagnostaras-Adams and Ron Cunneen founded the company in Cyprus.
Products and positioning
A focused Spanish and European copper producer and project developer centered on the Riotinto mining district and other Andalusian mineral projects.
Copper concentrateCopper product2016
Copper concentrate is a principal product associated with Atalaya's mining and processing activities at Proyecto Riotinto. It is produced by processing copper-bearing ore and is intended as an intermediate material for further metallurgical treatment. The supplied references do not specify the concentrate's grade, annual output, customer base, or sales terms.
Cathode copperRefined copper product2016
Cathode copper is identified as another product of the company's Spanish copper operations. Copper cathodes are refined copper plates used as an industrial input, although the supplied material does not establish the precise production route, volumes, specifications, or proportion of Atalaya's output represented by cathode copper.
Proyecto RiotintoCopper mining operation2016
Proyecto Riotinto is Atalaya Mining's flagship operating project in the Riotinto-Nerva mining basin of Huelva province, Andalusia. The operation is associated with the Cerro Colorado deposit, also called Minas del Rey Salomón. A permit was granted in 2015 and commercial copper production began in February 2016. The supplied references do not provide current mine-life, capacity, reserve, or production figures.
Masa ValverdePolymetallic development project2020
Masa Valverde is a polymetallic project in Andalusia acquired by Atalaya in October 2020. It represents an expansion of the company's Spanish asset base beyond its principal Riotinto copper operation. The supplied material does not identify the project's development stage, mineral resource, proposed mine plan, or expected production date.
Riotinto EastExploration area2021
Riotinto East is an exploration area in the wider Riotinto district. Atalaya acquired three investigation permits there in May 2021, extending its exploration interests around its established Andalusian operating area. The supplied sources do not provide drilling results, resource estimates, or a development timetable.
Flagship businesses
- Proyecto Riotinto
- Cerro Colorado
- Masa Valverde polymetallic project
- Riotinto East exploration area
Brand decisions
- 2025Re-domiciliation to SpainStrategy
Although the company had been founded and established in Cyprus, its operating focus had become concentrated in Spanish mining assets.
What changed. In January 2025, it re-domiciled its place of business from Cyprus to Spain and adopted the legal name Atalaya Mining Copper S.A.
Aftermath. The legal structure and place of business became more closely aligned with the company's Spanish operating base.
- 2024Transfer from AIM to the London Stock Exchange main marketStrategy
Atalaya had been listed on the London Stock Exchange's Alternative Investment Market since 2005.
What changed. In April 2024, the company transferred its listing to the main market of the London Stock Exchange.
Aftermath. The company continued as a London-listed public company under the ATYM ticker, with its listing on the main market rather than AIM.
- 2021Expansion of Riotinto-area exploration interestsStrategy
The company continued to build an exploration position around its established Riotinto operating district.
What changed. In May 2021, Atalaya acquired three investigation permits in the Riotinto East area.
Aftermath. The transaction expanded the company's exploration footprint in the wider Riotinto area.
- 2020Acquisition of the Masa Valverde projectM&A
Atalaya sought to expand its Andalusian project portfolio beyond the operating Riotinto asset.
What changed. The company purchased the Masa Valverde polymetallic project in October 2020.
Aftermath. Masa Valverde became part of Atalaya's Spanish development portfolio.
- 2016Corporate rebranding from EMED Mining to Atalaya MiningOther
The company began commercial copper production in Andalusia in February 2016, making its Spanish copper business central to its identity.
What changed. In October 2016, it changed its corporate name from EMED Mining to Atalaya Mining.
Aftermath. The Atalaya Mining name became the public identity associated with the company's Spanish copper operations.
Recent events
- 2025Atalaya Mining re-domiciles its place of business to Spain
The company moved its place of business from Cyprus to Spain and adopted the legal name Atalaya Mining Copper S.A.
Other - 2024Atalaya Mining transfers from AIM to the London Stock Exchange main market
Atalaya Mining moved its listing from the Alternative Investment Market to the main market of the London Stock Exchange.
Other - 2016Commercial copper production begins at the Andalusian operation
Atalaya began commercial copper production at its Riotinto-area operation in Andalusia.
Product launch
Sources
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