# ISYS CYBER DEFENSE LTDA
_ISYS DEFENSE_

**Tax ID (CNPJ):** 64.355.751/0001-03
**Status:** Active since 2026-01-08
**Primary activity:** [6204-0/00](/en/cnaes/6204000) — Consultoria em tecnologia da informação
**Company size:** Small enterprise (EPP)
**Legal nature:** Sociedade Empresária Limitada
**Share capital:** BRL 10,000.00

## Address

RUA BOM PASTOR, 529 — SALA  03 — IPIRANGA
[SAO PAULO](/en/cidades/7107) — [SP](/en/estados/SP) — ZIP 04203-050


## Secondary activities

- [6201-5/01](/en/cnaes/6201501) — Desenvolvimento de programas de computador sob encomenda
- [6202-3/00](/en/cnaes/6202300) — Desenvolvimento e licenciamento de programas de computador customizáveis
- [6209-1/00](/en/cnaes/6209100) — Suporte técnico, manutenção e outros serviços em tecnologia da informação
- [7020-4/00](/en/cnaes/7020400) — Atividades de consultoria em gestão empresarial, exceto consultoria técnica específica

## Partners

- **GABRIEL DI FONZO OLIVEIRA** — Sócio-Administrador — since 2026-01-08 — [see other companies for this partner](/en/cpf/***740118**?nome=GABRIEL+DI+FONZO+OLIVEIRA)


## Establishments (1)

- **Headquarters** — [64.355.751/0001-03](/en/cnpj/64355751000103) — SAO PAULO, SP — Active


## Tax regime (Simples Nacional)

Enrolled in Simples Nacional — enrolled since 2026-01-08, left on 00000000.

Not MEI.


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🔗 **[See network of connected companies](/en/cnpj/64355751/network)**

**Em português:** [ISYS CYBER DEFENSE LTDA](/pt/cnpj/64355751)
**JSON version:** https://api.dadosbrasil.net/api/v1/companies/64355751

_Data from Receita Federal, refreshed monthly._

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