Oncoservice S.A.

RUC 0993371022001 · Guayaquil, Guayas

Caution: the two sources disagree. The corporate registry lists it as Disolución y Liquidación Oficio Inscrita en RM, but the SRI has its RUC as Active . Verify the situation before doing business with this company. What each status means

See the tax details

Registry data

RUC: 0993371022001
Legal name: ONCOSERVICE S.A.
Company type: Stock corporation (S.A.)
Incorporation date: March 11, 2022
Start of activities (SRI): March 29, 2022
Subscribed capital: $250,000
Economic activity: Short- and long-term activities of day clinics, basic and general, that is, medical, diagnostic and treatment activities
ISIC code: Q8610.02
Address: Av. Rodrigo Chavez 208, sin Datos
Location: Guayaquil, Guayas
Region: Costa
Phone: 043911182

Tax status (SRI)

updated August 31, 2026

RUC status: Active

This status does not match the corporate registry, which lists the company as Disolución y Liquidación Oficio Inscrita en RM.

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: March 29, 2022

Establishments · 1 registered, 1 open

HEAD OFFICE Guayas / Guayaquil / Tarqui / Sol 1 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 Guayas.

Cantons of the province. Each canton links to its listing. Boundaries: geoBoundaries (CC BY 4.0).

Cantons with a presence

Guayaquil head office 1 location

Establishments declared to the SRI (Servicio de Rentas Internas, the national tax authority), updated August 31, 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 Oncoservice S.A.?

The RUC (taxpayer registration number) of ONCOSERVICE S.A. is 0993371022001, according to Ecuador’s public corporate registry.

Is Oncoservice S.A. active?

No. Its legal status in the registry is Disolución y Liquidación Oficio Inscrita en RM.

What does Oncoservice S.A. do?

Its registered economic activity (ISIC Q8610.02) is: Short- and long-term activities of day clinics, basic and general, that is, medical, diagnostic and treatment activities

Where is Oncoservice S.A. located?

Its registered address is in Guayaquil, province of Guayas, Ecuador.

When was Oncoservice S.A. incorporated?

It was incorporated on March 11, 2022, as a stock corporation (s.a.).

Related companies

Corporate information from official public records of Ecuador · where this data comes from