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Active · since Sep 10, 2005 Head office

SEMAX LTDA

Trade name: SEMAX

CNPJ 03.281.274/0001-94

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Source: Receita Federal, CNPJ Open Data · October 2026 publication

Opened on
27 years ago
Share capital
R$ 1.1 m
Establishments
1 active
of 1 registered
Size
Small business

Head office address

RUA PROFESSOR JOCA VIEIRA, 2475, SALA: 01;
ININGA
TERESINA - PI
CEP 64048-443

Partners and contacts

Published by the Receita Federal. Shown here when you ask, and never to search engines.

Show the 2 partners and administrators

Summary

SEMAX LTDA (trading as SEMAX) is an active small business in Teresina/PI, opened on Jul 13, 1999. Its main activity is atividades de monitoramento de sistemas de segurança eletrônico (CNAE 8020-0/01), besides 6 secondary activities. It is one of 84 active companies with that activity in Teresina/PI.

What the company does

CNAE 8020-0/01 · mainAtividades de monitoramento de sistemas de segurança eletrônico

Secondary activities

Context

Companies with the same activity

How many active companies have atividades de monitoramento de sistemas de segurança eletrônico as their main activity, as this one does.

In Teresina (PI)
84
In Piauí
127
In Brazil
12,339

Among the 84 companies with CNAE 8020-0/01 in Teresina (PI), this one is 4th, by active establishments and capital.

See the 84 Atividades de monitoramento de sistemas de segurança eletrônico companies in Teresina - PI

Registration

as the Receita Federal publishes it
CNPJ
03.281.274/0001-94
Legal name
SEMAX LTDA
Trade name
SEMAX
Registration status
Active, since Sep 10, 2005
Opened on
Jul 13, 1999
Legal form
2062 — Sociedade Empresária Limitada
Size
Small business
Share capital
R$ 1,140,000.00
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 September 2023.
  1. January 2026
    Simples Nacional

    opted in not opted in

  2. February 2025
    Simples Nacional

    not opted in opted in

  3. January 2025
    Simples Nacional

    opted in not opted in

  4. February 2024
    Simples Nacional

    not opted in opted in

  5. January 2024
    Simples Nacional

    opted in not opted in

  6. September 2023
    Start of dembli's monthly history

    The first Receita publication dembli keeps of this company.

Tax regimes

Simples Nacional
Not opted in (until Dec 31, 2025)
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 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 SEMAX LTDA's CNPJ?

SEMAX LTDA's CNPJ is 03.281.274/0001-94.

Is SEMAX LTDA active?

Yes. The company's registration status at the Receita Federal is active since Sep 10, 2005, according to the October 2026 publication.

What is SEMAX LTDA's main activity?

Atividades de monitoramento de sistemas de segurança eletrônico, CNAE 8020-0/01.

Where is SEMAX LTDA's head office?

In Teresina/PI.

When was SEMAX LTDA opened?

On Jul 13, 1999, according to the Receita Federal.