Digital products for companies that move fast

12Mais designs and builds reliable digital products for companies that need more leads, cleaner operations, and scalable systems.

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Choose the outcome you need

We package strategy, design, and engineering around practical business goals.

Build an Internal System

Custom platforms, dashboards, and operational tools designed for real workflows, permissions, data, and long-term maintainability.

Launch a Website

Professional websites and landing pages with clear messaging, responsive execution, SEO foundations, and conversion paths.

Automate an Operation

Integrations, workflows, and process automation that reduce manual tasks, improve consistency, and help teams move faster.

Featured Projects

Real outcomes for companies that needed to sell more, automate processes, and move faster.

Luan Construcoes landing page
Construction

Luan Construções

Excellence in every wall. Construction built to last for decades.

Specialized masonry, plastering, and subfloor services. We translated a local construction business into a focused digital presence built for lead generation.

  • Lead-generation page structured around services and trust.
  • WhatsApp conversion flow for direct quote requests.
  • Responsive presentation for mobile-first local search.
Visit Luan Construcoes
Eu Tecnico landing page
Technical Support

Eu Técnico

Fast, reliable repairs for mobile phones.

Screen replacement, battery service, charging connector repair, and general maintenance, presented through a clear service funnel.

  • Service-focused structure for faster customer decisions.
  • Clear repair categories and contact path for WhatsApp leads.
  • Lightweight landing page built for speed and conversion.
Visit Eu Tecnico

How We Work

A transparent process focused on speed, clarity, and quality.

1

Discovery Call

We understand your business and goals

2

Planning

We define the strategy and architecture

3

Development

We build with quality and speed

4

Launch

We launch and support your project

Delivery Confidence

How we reduce project risk.

International clients need more than nice screens. They need clear communication, reliable execution, and a technical foundation that will not collapse after launch.

Clear scope before development

We define goals, user flows, priorities, and technical constraints before writing production code.

Performance-aware delivery

Interfaces are built with responsive layouts, optimized flows, and attention to unnecessary re-renders or slow interactions.

Maintainable codebase

Projects are structured so future features, integrations, and maintenance do not depend on fragile shortcuts.

Direct technical communication

Clients work close to the person building the solution, reducing noise between strategy, design, and implementation.

Why Choose 12Mais?

Fast Delivery
Dedicated Support
Modern Technology
Tailored Solutions
Results Focus
Transparent Communication
12Mais technology workspace focused on software development

100+ Projects

Delivered with quality and client focus for companies in Brazil and abroad.

Fernando Fernandes, founder of 12Mais

Founder

Fernando Fernandes, founder of 12Mais.

Senior Fullstack Developer Porto Alegre, Brazil LinkedIn

Senior fullstack developer focused on reliable, scalable systems.
Led UI and product engineering for business-critical platforms.
Built B2B and recruitment platforms serving hundreds of clients.
Solved critical performance issues and mentored engineering teams.

Companies he contributed to

Everest Systems ALFA Software AutoParts Sebratec Paipe

FAQ

Common questions before starting.

A few practical answers for companies evaluating 12Mais for a website, system, automation, or ongoing product work.

Do you work with companies outside Brazil?

Yes. 12Mais works remotely and can support international clients in English, Portuguese, or Spanish.

Can you handle both design and development?

Yes. We can take a project from structure and interface design through development, deployment, and post-launch adjustments.

Do you build only websites?

No. We build landing pages, internal systems, dashboards, automations, integrations, and custom web applications.

Do you provide maintenance after launch?

Yes. We can support improvements, fixes, performance tuning, and new features after the first release.

Ready to transform your business?

Contact us and receive a tailored proposal with no commitment. Our team is ready to understand your project.

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