AVELLEN

Design · Software · Consulting

Custom websites and software, with a clear scope.

From your company's online presence to complete systems: we design, build and support every project with a predictable investment.

Who we are

One company. Two specialties.

We are two partners and a family: one specialized in UX/UI and design, the other in software engineering. Every project goes through both of us, from diagnosis to delivery.

Cezar Bononi

Engineering · Technology

Cezar Bononi

A software engineer for over 10 years, I combine frontend, cloud, architecture, testing, UX/CX and real product constraints. Modern, technical and original engineering, with code that survives in production.

View portfolio Cezar Bononi (opens in a new tab)
  • Scope before we start

    You know what will be delivered, when and for how much before the first screen.

  • Design and code on one team

    What you approve in the layout is what goes live.

  • Made for your business

    No templates: every project starts from your company and your audience.

Services and investment

A starting point for every stage of your business

Projects with a clear scope, a predictable investment and room to grow as your needs change.

How it works

  1. 01

    Conversation

    We learn about your business, your audience and what the project needs to solve.

  2. 02

    Scope and proposal

    You get the scope, timeline and investment before anything starts.

  3. 03

    Design and development

    We create, review it with you and launch.

01

Essential

Your company with a modern, clear and professional online presence.

Starting at

R$ 5,900

  • Lean company website, single page or reduced structure
  • UX/UI and development made for your company
  • WhatsApp, contact form and analytics
  • Responsive, fast and with basic technical SEO
I want to get started (opens WhatsApp in a new tab)

A lean, modern and custom company website that puts your business online with professional quality.

Best for: Small businesses · Independent professionals · Offices and firms · Service providers · Companies without a professional website · Companies with very outdated websites

What it can include

  • UX/UI
  • Frontend development
  • Lean company website
  • Single page or reduced structure
  • Company overview
  • Services
  • Projects or portfolio
  • Contact
  • WhatsApp integration
  • Form
  • Responsive design
  • Basic technical SEO
  • Analytics
  • Performance optimization
  • Publishing and deployment

Outside the standard scope

  • Video production and filming
  • Photography
  • Professional translation
  • Extensive copywriting and content production
  • Full branding
  • Complex integrations

These items can be added with a separate quote.

02

Professional

More than presenting your company: turn your website into a sales tool.

Starting at

R$ 12,900

  • Custom information architecture and UX/UI
  • Up to about 5 main pages
  • Services, projects, case studies and clients
  • Micro-interactions, technical SEO and a simple CMS when scoped
I want to upgrade my online presence (opens WhatsApp in a new tab)

Strategy, UX/UI and development working together to present your company, what sets it apart, its services and results.

Best for: Small and mid-sized companies · Growing companies · Industrial companies · Consultancies · Offices and firms · Companies rebuilding their online presence

What it can include

  • Information architecture
  • Custom UX/UI
  • Up to approximately 5 main pages
  • Frontend development
  • Responsive design
  • Service pages
  • Projects, portfolio and case studies
  • Clients
  • Forms
  • WhatsApp integration
  • Analytics
  • Technical SEO
  • Performance optimization
  • Micro-interactions and subtle animations
  • Simple integrations
  • Simple CMS, when included in the scope
  • Publishing and deployment

Outside the standard scope

  • Video production and filming
  • Photography
  • Professional translation
  • Extensive copywriting and content production
  • Full branding
  • Complex integrations

These items can be added with a separate quote.

03

Business

Strategy, design and technology for operations that demand more.

Starting at

R$ 19,900

  • Discovery and experience planning
  • Up to about 8 pages and up to 3 languages, when scoped
  • Custom components and a B2B experience
  • Advanced technical SEO, accessibility and integrations
I want to talk about my project (opens WhatsApp in a new tab)

A more strategic project combining information architecture, experience, interface, technology, performance and a structure ready to grow.

Best for: B2B companies · Mid-sized companies · International operations · Multiple business units · More complex corporate projects · Brands going through a digital repositioning

What it can include

  • Discovery
  • Information architecture
  • Experience planning
  • Complete UX
  • Custom UI
  • Frontend development
  • Up to approximately 8 main pages
  • Multilingual structure (up to 3 languages, when scoped)
  • Product or service presentation
  • Partners, clients, projects and case studies
  • Integrations
  • Analytics
  • Advanced technical SEO
  • Performance optimization
  • Accessibility best practices
  • Custom components
  • Animations and micro-interactions
  • B2B experience
  • Publishing and production setup

Outside the standard scope

  • Video production and filming
  • Photography
  • Professional translation
  • Extensive copywriting and content production
  • Full branding
  • Complex integrations

These items can be added with a separate quote.

Every project has a scope defined before it starts. Additional needs can be added to the quote.

Other ways to work with us

Hourly consulting

Need help with something specific?

Design and technology specialists to improve, fix or plan what you already have.

R$ 250/hour

Minimum of 2 hours

Book hours (opens WhatsApp in a new tab)

We don't sell templates or mass-produced websites. Each service has clear limits for predictability; design and development are still made for your business.

Work

Selected work.

The problem, what we did and what changed.

Own projectPortfolio · Product design

Portfólio Ana Carolina Trama

A product design portfolio with an authorial identity: retro aesthetics, an interactive instant camera, a polaroid gallery and content on UX, research and complex systems.

Delivered
Bilingual portfolio (PT/EN) published on GitHub Pages
Who built it
Design: Ana · Development: Cezar
Visit site (opens in a new tab)
Own projectPortfolio · Software engineering

Portfólio Cezar Bononi

An engineering portfolio with its own visual identity: cyber aesthetics, animations and bilingual content about projects, stack and experience.

Delivered
Bilingual portfolio (PT/EN) published on GitHub Pages
Who built it
Design: Ana · Development: Cezar
Visit site (opens in a new tab)
ClientIndustrial instrumentation · B2B

Cas Therm

Website for a technical reseller of measuring instruments for industry, laboratories and workplace safety, with a catalog by category and sector.

Delivered
Online catalog with product search and quote requests straight to WhatsApp
Who built it
Design: Ana · Development: Cezar
Visit site (opens in a new tab)

Have an idea or a problem to solve?

Let's talk.

Tell us what you need. We'll reply with the next steps and, if it makes sense, a proposal with scope and investment.