Complete IT Management

Technology that drives your business

We deliver complete solutions in cybersecurity, mobile apps, custom software, IT infrastructure and TOTVS consulting for companies seeking efficiency and innovation.

15+
Years of experience
20+
Projects delivered
6+
Active clients
Marques STI logo

Complete Information Technology solutions

From infrastructure to development, we deliver what your company needs to operate securely and grow efficiently.

Cybersecurity

Data protection, risk analysis and security hardening to reduce vulnerabilities across your environment.

  • Vulnerability assessment and pentest
  • Information security policies
  • LGPD compliance and best practices
  • Firewall and network segmentation
  • Training and awareness

Mobile Apps

Tailored iOS and Android apps to connect your business with customers and optimize field operations.

  • Native and hybrid apps
  • Android and iOS
  • Conversion-focused UX/UI
  • Internal system integrations
  • Store publishing

Custom Software

Custom web and desktop systems to automate processes and solve your business-specific challenges.

  • ERP/CRM systems
  • Web portals and platforms
  • Process automation
  • API integrations
  • Maintenance and evolution

IT Infrastructure

Proactive management of networks, servers and systems to keep your environment available and performant.

  • Network and server management
  • Backup and disaster recovery
  • Monitoring and preventive maintenance
  • Cloud and virtualization
  • Specialized technical support
TOTVS

TOTVS Consulting

Specialized support for companies using TOTVS RM and Protheus, connecting processes, data and technology.

  • Functional and technical TOTVS RM consulting
  • Protheus and administrative processes
  • Integrations, reports and automations
  • Process mapping and improvement
  • User support and guidance
Wellington Marques
15+
Years in IT

Wellington Marques

IT Specialist · Master’s student in Cybersecurity

Professional with solid experience in complete IT management for small and medium-sized businesses. I work on planning and implementing network, server and cloud infrastructure, as well as developing custom software and applications for each client’s real business needs.

Currently pursuing a Master’s degree in Cybersecurity, deepening knowledge in vulnerability analysis, cryptography, regulatory compliance (LGPD, ISO 27001) and protection of critical infrastructures. I combine practical experience with academic rigor to deliver secure, high-impact solutions.

Technologies & Tools

Mikrotik Windows Server Linux Virtualização Cloud PHP Node.js Python React React Native Banco de Dados Docker Git Pentest Nmap Metasploit TOTVS RM Protheus AdvPL TReports

Academic Background

Master’s program in Cybersecurity
Postgraduate studies in Digital Security, Data Governance and Management | Cyber Forensics | Computer Forensics | Artificial Intelligence
MBA in Microservices Architecture
Degree in Data Processing Technology

Professional Certifications

Microsoft Certified: Azure Fundamentals (AZ-900)

Companies that trust Marques IT Solutions

We support companies across different segments with agile technical assistance and tailored solutions.

D-
D-Energy do Brasil
FA
Faxe Drilling
FI
Five Star Services
RE
Resonance Volleyball Academy
TE
Terreiro Umbanda
XA
Xangô Menino

Fast and efficient
technical support

Direct assistance for technical support, questions and requests while our ticket portal is being prepared.

Temporary support via WhatsApp

We will soon provide all clients with a direct channel for opening support tickets. In the meantime, you can contact us directly through WhatsApp +55 22 99945-5456 or contato@stimarques.com.br. We are available from 8 AM to 6 PM, Monday to Friday.

2h
Average response time
98%
Client satisfaction
8×5
Support availability

Let’s talk about your project?