Company profile
Ree Uno SpA
RUT 76.181.614-4Explotación de Otras Minas y Canteras N.C.P.
Ree Uno SpA (RUT 76.181.614-4) holds 104 mining concessions (24,985 ha) in 5 comunas of 2 regions, most of them in Penco (Biobío), according to the SERNAGEOMIN cadastre: 43 constituted and 61 in process. SERNAGEOMIN
Mining concessions
SERNAGEOMINSERNAGEOMIN cadastre of current concessions.
104
current concessions
24,985ha
total area
43 constituted and 61 in process; 32 for exploitation and 72 for exploration.
- Penco · Biobío42 concessions · 7,685 ha
- Coelemu · Ñuble21 concessions · 6,100 ha
- Tomé · Biobío20 concessions · 6,000 ha
- Concepción · Biobío20 concessions · 5,100 ha
- Yumbel · Biobío1 concession · 100 ha
Water rights
Dirección General de Aguas…DGA register of water use rights.
2
current rights in its name
- 2 consumptive: 49 l/s declared in total
By region: Biobío (2)
Flows are those the register declares, added by type; the DGA warns that the register does not replace the case file.
SEIA projects
SEAMining projects it submitted as proponent to the Environmental Assessment Service.
6
mining projects
3 withdrawn, 2 not qualified and 1 approved
Most recent
- Proyecto de Desarrollo Minero de Extracción de Arcillas para Producción de Concentrado de Tierras RarasEIA · approved · Jun 8, 2026SEA
- Proyecto Módulo PencoEIA · not qualified · Jul 3, 2023SEA
- Proyecto BioLantánidosEIA · withdrawn · Mar 24, 2022SEA
Sites it operates
SERNAGEOMINSERNAGEOMIN register of mining sites and installations, by the operator's RUT.
6
sites
6
active
- Exploración Río LiaCuranilahue · Biobío · activeSERNAGEOMIN
- Exploraciones ItataCobquecura · Biobío · activeSERNAGEOMIN
- Exploraciones Santa JuanaSanta Juana · Biobío · activeSERNAGEOMIN
Lobbying meetings
InfoLobby, Ley 20.730Meetings recorded in InfoLobby (Law 20,730) it took part in.
114
meetings since Jan 3, 2023
- SEA47
- Subsecretaría de Minería26
- Subsecretaría de Economía12
- Subsecretaría del Medio Ambiente12
- Subsecretaría de Hacienda10
and 4 more institutions
Counts by institution; officials' names are not published.
Mining patents
TGRTreasury register of mining-concession patents, file of October 2026.
1,834
concessions with a patent
$2,975,542,109
to pay in the period
4,829 payment forms in the file.
Frequently asked questions about Ree Uno SpA
Answers built from the same figures as this page, each with its source.
- What is the RUT of Ree Uno SpA?
- The RUT of Ree Uno SpA is 76.181.614-4; its registered name at the SII is REE UNO SPA. Its main activity, per the SII, is explotación de otras minas y canteras n.c.p.. SIISII
- What mining concessions does Ree Uno SpA hold?
- According to the SERNAGEOMIN cadastre, Ree Uno SpA holds 104 mining concessions covering 24,985 ha: 32 for exploitation and 72 for exploration. They are in 5 comunas of 2 regions, most of them in Penco (Biobío). SERNAGEOMIN
- Does Ree Uno SpA hold water rights?
- Yes. The DGA register of water use rights lists 2 water use rights held by Ree Uno SpA: 2 consumptive (49 l/s in total), in Biobío. Dirección General de Aguas…
- What projects does Ree Uno SpA have in the SEIA?
- Ree Uno SpA is the proponent of 6 mining projects in the SEIA: 3 withdrawn, 2 not qualified and 1 approved. The most recent is "Proyecto de Desarrollo Minero de Extracción de Arcillas para Producción de Concentrado de Tierras Raras" (EIA, approved). SEA
- Which authorities has Ree Uno SpA met through lobbying?
- InfoLobby records 114 lobbying meetings in which Ree Uno SpA took part since Jan 3, 2023, mostly with SEA (47), Subsecretaría de Minería (26) and Subsecretaría de Economía (12). InfoLobby, Ley 20.730
- Which mining sites does Ree Uno SpA operate?
- The SERNAGEOMIN register lists 6 sites with Ree Uno SpA as operator (6 active), among them Exploración Río Lia, Exploraciones Itata and Exploraciones Santa Juana. SERNAGEOMIN
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.
What you will see about Ree Uno SpA when you sign up
The company's full profile inside Veta IQ, every record with its source.
- Its 104 mining concessions, one by one, with area, status and source
- Its 2 water rights, with flow and resolution date per the DGA register
- Its 6 SEIA projects, with instrument, status, dates and declared investment
- The 6 sites it operates, with their SERNAGEOMIN register page
- Its 114 lobbying meetings by institution and year, and the latest with their subject
- Its mining patents (1,834 concessions): what is due, paid and owed by period
- 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 Ree Uno SpA
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.
- Which projects has Ree Uno SpA filed with the SEIA, and what is the status of each?
- Which institutions has Ree Uno SpA met through lobbying, and about what?
- Where are the mining concessions of Ree Uno SpA, and how many hectares do they cover?
You need an account; the trial includes 15 credits.
Follow Ree Uno SpA
Try free