Active · since Feb 19, 2026 Head officeOpted into Simples
UNDERSTACK TECNOLOGIA LTDA
Trade name: UNDERSTACK
CNPJ 65.203.063/0001-90
Source: Receita Federal, CNPJ Open Data · October 2026 publication
- Opened on
- less than a year ago
- Share capital
- R$ 1,000.00
- Establishments
- 1 active
- of 1 registered
- Size
- Micro-enterprise
PINHEIROS
SAO PAULO - SP
CEP 05424-150
Partners and contacts
Published by the Receita Federal. Shown here when you ask, and never to search engines.
Show the partner or administratorSummary
UNDERSTACK TECNOLOGIA LTDA (trading as UNDERSTACK) is an active micro-enterprise in São Paulo/SP, opened on Feb 19, 2026. Its main activity is treinamento em informática (CNAE 8599-6/03), besides 4 secondary activities. It is one of 7,441 active companies with that activity in São Paulo/SP. It has opted into the Simples Nacional tax regime.
What the company does
CNAE 8599-6/03 · mainTreinamento em informática
Secondary activities
Context
Companies with the same activity
How many active companies have treinamento em informática as their main activity, as this one does.
- In São Paulo (SP)
- 7,441
- In São Paulo (state)
- 19,106
- In Brazil
- 58,397
Among the 7,441 companies with CNAE 8599-6/03 in São Paulo (SP), this one is 1,928th, by active establishments and capital.
See the 7,441 Treinamento em informática companies in São Paulo - SP
Registration
as the Receita Federal publishes it- CNPJ
- 65.203.063/0001-90
- Legal name
- UNDERSTACK TECNOLOGIA LTDA
- Trade name
- UNDERSTACK
- Registration status
- Active, since Feb 19, 2026
- Opened on
- Feb 19, 2026
- Legal form
- 2062 — Sociedade Empresária Limitada
- Size
- Micro-enterprise
- Share capital
- R$ 1,000.00
- Establishments
- Active: 1 of 1
Registration history
What changed in the company's registration, month by month, according to the Receita Federal's monthly publications since March 2026.No change to the registration since March 2026.
- March 2026Start of dembli's monthly history
The first Receita publication dembli keeps of this company.
Tax regimes
- Simples Nacional
- Opted in since Feb 19, 2026
- MEI
- Not opted in
Official records by CNPJ
Records public bodies publish of this company by its CNPJ. Check each one at its source.
-
Federal active debt Not listed among the PGFN's debtors
According to the PGFN's quarterly publication (Q3 2026). dembli shows no amounts; the official consultation shows each entry. Check with the PGFN
Frequently asked questions
What is UNDERSTACK TECNOLOGIA LTDA's CNPJ?
UNDERSTACK TECNOLOGIA LTDA's CNPJ is 65.203.063/0001-90.
Is UNDERSTACK TECNOLOGIA LTDA active?
Yes. The company's registration status at the Receita Federal is active since Feb 19, 2026, according to the October 2026 publication.
What is UNDERSTACK TECNOLOGIA LTDA's main activity?
Treinamento em informática, CNAE 8599-6/03.
Where is UNDERSTACK TECNOLOGIA LTDA's head office?
In São Paulo/SP.
When was UNDERSTACK TECNOLOGIA LTDA opened?
On Feb 19, 2026, according to the Receita Federal.