Company profile
Rostef Minerals S.A.S.
RUC 1999310156001 · Zamora, Zamora Chinchipe
Registry data
- RUC
- 1999310156001
- Legal name
- ROSTEF MINERALS S.A.S.
- Company type
- Simplified stock company (S.A.S.)
- Size segment (SCVS)
- Microenterprise · 2025
- Incorporation date
- March 28, 2024
- Start of activities (SRI)
- April 3, 2024
- Subscribed capital
- $10,000
- Economic activity
- Mining of precious metals: gold, silver, platinum
- ISIC code
- B0729.02
- Last year with filed statements
- 2025
- Address
- 12 de Febrero S/n, E45, S/N
- Location
- Zamora, Zamora Chinchipe
- Region
- Oriente
- Phone
- 072738271
Financial statements
- Debt ratio
- 0.0%
- Net margin
- 6.9%
- Return on equity (ROE)
- 4.8%
The income statement · 2025
- Revenue $290
- Expenses $270
- Net result $20
Balance sheet structure · 2025
What it owns
- Current assets $420 100%
- Non-current assets $0 0%
How it is financed
- Current liabilities $0 0%
- Non-current liabilities $0 0%
- Equity $420 100%
“Current” means within one year: what can be turned into cash, or what has to be paid, in that span.
| Year | Revenue | Net result | Assets | Equity | Employees |
|---|---|---|---|---|---|
| 2025 | $290 | $20 | $420 | $420 | 7 |
| 2024 | $0 | $0 | $10,000 | $10,000 | 7 |
In 2025 it recorded revenue of $290 and a net result of $20, a margin of 6.9%.
Its 2025 revenue exceeds that of 5.8% of the 95,463 companies in the country that recorded sales that year. In Zamora Chinchipe, it exceeds 13.5% of the 571 on record.
Within its activity (ISIC code B0729.02, 252 companies with sales), its revenue exceeds that of 11.1%; the trade’s typical margin was 3.3%.
Values in US dollars, as filed with the Superintendencia de Compañías, Ecuador’s corporate regulator.
Tax status (SRI)
updated September 5, 2026- Phantom taxpayer: No
- Nonexistent transactions: No
- Tax regime
- General regime The set of rules under which it files its taxes
- Required to keep accounting books
- Yes
- Withholding agent
- No When paying third parties, it withholds taxes and remits them to the SRI
- Special taxpayer
- No Designated by the SRI for its size, with additional filing obligations
- Start of activities
- April 3, 2024
Establishments · 1 registered, 1 open
- HEAD OFFICE Zamora Chinchipe / Zamora / Zamora / 12 de Febrero S/N y Garcia Moreno Open
Tax status according to the public records of the SRI (Servicio de Rentas Internas, the national tax authority). The risk designations are the SRI’s, not a rating by this site: phantom taxpayer means the SRI considers the company to have no real activity at its declared address, and nonexistent transactions means it invoiced operations the SRI determined never took place.
Where it operates
It has 1 open establishment in Zamora Chinchipe.
Centinela del Cóndor · 0 companiesChinchipe · 0 companiesEl Pangui · 0 companiesNangaritza · 0 companiesPalanda · 0 companiesPaquisha · 0 companiesYacuambi · 0 companiesYantzaza · 0 companiesZamora · 1 companies Point at or tap a canton to see its figure
Cantons of the province. Each canton links to its listing. Boundaries: geoBoundaries (CC BY 4.0).
Cantons with a presence
- Zamora head office 1 location
Establishments declared to the SRI (Servicio de Rentas Internas, the national tax authority), updated September 5, 2026. The location is the province and canton on record, not each site’s exact address.
Activity classification (ISIC)
Frequently asked questions
What is the RUC of Rostef Minerals S.A.S.?
The RUC (taxpayer registration number) of ROSTEF MINERALS S.A.S. is 1999310156001, according to Ecuador’s public corporate registry.
Is Rostef Minerals S.A.S. active?
Yes. Its legal status in the registry is Activa.
What does Rostef Minerals S.A.S. do?
Its registered economic activity (ISIC B0729.02) is: Mining of precious metals: gold, silver, platinum
Where is Rostef Minerals S.A.S. located?
Its registered address is in Zamora, province of Zamora Chinchipe, Ecuador.
When was Rostef Minerals S.A.S. incorporated?
It was incorporated on March 28, 2024, as a simplified stock company (s.a.s.).
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Corporate information from official public records of Ecuador · where this data comes from