Cris das Passagens
Package catalog, blog and an admin panel so the team keeps everything online without depending on anyone.
View projectCustom systems, websites and digital presence
The digital layer
your business
needs.
We fill the gaps holding your business back. No off-the-shelf packages: we work out what's missing and build what actually needs to be built.
Services
Our solutions
Web
Websites & landing pages
Built to add value, earn trust and sell more — not just to exist.
Learn moreSystems
Internal management systems
A custom tool built to organize and simplify your processes.
Learn moreMobile
Mobile apps
A mobile solution for when a website alone doesn't cut it.
Learn moreMarketing
Digital presence and campaigns
Brand identity, social media and posts with a clear direction, plus campaigns that bring in more customers.
Learn moreAutomation
Automations and bots
Customer service and repetitive tasks running on their own: WhatsApp, forms, spreadsheets and systems connected.
Learn moreE-commerce
Online stores
Catalog, cart, payment and shipping all working. Your complete online store.
Learn more
Why us
Why choose Sylvestre Labs?
Direct contact
You talk directly to the person who designs and builds the solution.
100% custom
Real customization. No generic templates, nothing churned out by AI.
Secure infrastructure
No headaches with hosting, security or bugs: your project stays online.
Full warranty
After delivery: 30 days of changes and 60 days of bug fixes, all included in the contract.
Portfolio
Projects we've delivered
Scroll inside each card and see, top to bottom, the websites we've shipped.
Amplitude Fisioterapia e Pilates
Physiotherapy and pilates clinic: insurance plans, specialties, team and WhatsApp at any point on the page.
View project
Contarini Advocacia
Lead-generation landing page for a labor law firm: scenarios, social proof, FAQ and one-tap contact.
View project
Motriz Veículos
Dark showroom with filterable inventory, live FIPE pricing, financing and trade-in appraisal.
View project
Vestral Imobiliária
Property catalog with combined search, a page per listing and the team of agents.
View project
VALEMAQ Refrigeração
Services, coverage area and social proof on a single page, with a WhatsApp call to action in every section.
View project
Results
Our clients recommend us
See what the people who trust Sylvestre Labs have to say.
The professional
Ravel Sylvestre
Founder of Sylvestre Labs
Trained in Systems Development at ETEC Taubaté, focused on well-structured digital solutions delivered with care. Two years building custom systems, websites and apps. One of the main projects is ClassOn — a complete school management system with built-in AI, presented at events such as II SIRGTEC (2026) and XV CICTED (2026).
Certifications
Microsoft
Microsoft Certified: Responsible Generative AI
Artificial IntelligenceMicrosoft
Microsoft Certified: Microsoft Azure AI Concepts: AI Overview
Microsoft Azure, Machine LearningSENAI - AWS
AWS Academy Graduate: AWS Academy Cloud Practitioner
Amazon Web Services, Cloud ComputingSENAI
Data Protection - LGPD (Brazilian GDPR)
Cybersecurity, LGPD
Contact
Tell me what you need.
Describe your problem and get a complete quote.
- (12) 99769-2740
- sylvestrelabs@gmail.com
- @sylvestrelabs
- In person in Vale do Paraíba, Brazil — remote anywhere.