Skip to content
All companies

Mining company

Compañía Minera Lomas Bayas

ChileRUT 78.512.520-7

Before the Superintendencia del Medio Ambiente (SMA) it holds one operation with published output. In the twelve months to August 2026 it produced 59.5 kt of fine copper, 1.2% of the country's copper.

Operations

1

it holds before the SMA

Copper, 12 months to August 2026

59.5 kt

1.2% of the country, at 100% of each operation

Owners

1

with a publishable source

Operations it holds

The environmental regulator (SMA) records it as the holder of most of the environmental permits of these operations. Copper is that of the whole operation. An operation whose regulated unit we have not linked yet is not on this list.

Operations it holds
OperationCopper, 12 monthsOf the country
Lomas BayasSMACochilco59.5 kt1.2%

Owners

Who owns Compañía Minera Lomas Bayas, with the document that states it.

Mining concessions

SERNAGEOMIN

SERNAGEOMIN cadastre of current concessions.

120

current concessions

27,722ha

total area

109 constituted and 11 in process; 73 for exploitation and 47 for exploration.

  • Sierra Gorda · Antofagasta120 concessions · 27,722 ha
See the full detail

Sites it operates

SERNAGEOMIN

SERNAGEOMIN register of mining sites and installations, by the operator's RUT.

1

sites

1

active

See the full detail

Lobbying meetings

InfoLobby, Ley 20.730

Meetings recorded in InfoLobby (Law 20,730) it took part in.

17

meetings since Apr 25, 2023

  • SERNAGEOMIN7
  • SEA3
  • Subsecretaría de Energía2
  • Subsecretaría del Medio Ambiente2
  • DGA1

and 2 more institutions

Counts by institution; officials' names are not published.

See the full detail

Mining patents

TGR

Treasury register of mining-concession patents, file of October 2026.

186

concessions with a patent

$875,557,947

to pay in the period

667 payment forms in the file.

See the full detail

Frequently asked questions about Compañía Minera Lomas Bayas

Answers built from the same figures as this page, each with its source.

What is the RUT of Compañía Minera Lomas Bayas?
The RUT of Compañía Minera Lomas Bayas is 78.512.520-7; its registered name at the SII is COMPANIA MINERA LOMAS BAYAS. Its main activity, per the SII, is extracción y procesamiento de cobre. SIISII
What mining concessions does Compañía Minera Lomas Bayas hold?
According to the SERNAGEOMIN cadastre, Compañía Minera Lomas Bayas holds 120 mining concessions covering 27,722 ha: 73 for exploitation and 47 for exploration. They are in Sierra Gorda, Antofagasta. SERNAGEOMIN
Which authorities has Compañía Minera Lomas Bayas met through lobbying?
InfoLobby records 17 lobbying meetings in which Compañía Minera Lomas Bayas took part since Apr 25, 2023, mostly with SERNAGEOMIN (7), SEA (3) and Subsecretaría de Energía (2). InfoLobby, Ley 20.730
Which mining sites does Compañía Minera Lomas Bayas operate?
The SERNAGEOMIN register lists 1 site with Compañía Minera Lomas Bayas as operator (1 active), among them Lomas Bayas. SERNAGEOMIN
Does Compañía Minera Lomas Bayas pay mining patents?
Yes. The Treasury (TGR) file of October 2026 lists the patent of 186 mining concessions under Compañía Minera Lomas Bayas, with $875,557,947 to pay. TGR

Every figure is a count or a sum of the records of the cited source under this legal person (by its RUT or its name as verified with the SII); the icon opens the original document. Lobbying meetings are shown seven days late. Natural persons have no profile.

Holder: the legal person in whose name more than half of the environmental permits of the operation's regulated unit stand, according to its SMA file. Stakes are those the cited document states; they are not multiplied by output here.

What you will see about Compañía Minera Lomas Bayas when you sign up

The company's full profile inside Veta IQ, every record with its source.

  • Its 120 mining concessions, one by one, with area, status and source
  • The site it operates, with their SERNAGEOMIN register page
  • Its 17 lobbying meetings by institution and year, and the latest with their subject
  • Its mining patents (186 concessions): what is due, paid and owed by period
  • Its ownership chain, with the percentage and source of each link
  • Email alerts when something new about this company appears
  • The AI assistant, which answers with the source of every figure (15 credits in the trial)
  • Export to Excel (3 exports in the trial)

No card and no automatic renewal.

Ask the assistant about Compañía Minera Lomas Bayas

Pick a question: it is written in the assistant when you come in, and you decide when to send it. Every answer gives the source of each figure.

You need an account; the trial includes 15 credits.

Follow Compañía Minera Lomas Bayas

Try free