Experts in Performance Development, SEO, and Security.
With over 20 years of experience, we develop websites in São Paulo, with 300+ projects delivered. We specialize in developing responsive websites for B2B companies seeking digital growth. Our team guarantees performance, security, and measurable results.
Having a pretty website isn't enough. Developing professional websites requires strategy, technology, and expertise. Our website development agency in São Paulo creates customized platforms that not only attract customers but convert them into real sales.
Every website development project is different. That's why our team of experts works together: art director, web designer, copywriter, developer, SEO analyst, and digital marketing analyst. We guarantee your website will have exceptional performance and measurable results.
With over 300 website development projects delivered, we have the experience to transform your vision into a platform that generates real digital growth. See how we've helped companies like Nestlé, Barcelona, and AIG achieve their goals through professional website development.
Over 300 website development projects delivered. This proves that our website development agency in São Paulo delivers results. Companies like Nestlé, Barcelona, AIG, and GPTW trust Sinnapse to develop highly complex websites. Our difference lies in the deep business and marketing knowledge we apply to every website development for B2B companies.
Over 20 years of experience in creating national and international websites.
Over 300 projects including institutional websites, portals, and e-commerce platforms.
All websites delivered with SEO performance scores on GTmetrix.
Our core website creation It is made up of experts with international experience across different platforms.
As a boutique firm, we offer a personalized 100% service that begins with the approval of homepage and internal page layouts before moving on to programming. Check out some of these steps here:
The official FC Barcelona school, guiding and training students according to the club's work philosophy.
Distributor of various components with one of the best portfolios on the market.
Distributor of various components with one of the best portfolios on the market.
Solutions for digitization, mobility and identification: we empower people with technology.
A network of language schools with over 640 franchises spread across Brazil and more than 210,000 students.
The largest laser hair removal company in Brazil in terms of revenue, number of stores, and customers served.
Great Place To Work® is a global consulting firm that supports organizations in achieving better results through a culture of trust.
IMPORTEK operates in the import and distribution of healthcare products, specifically those for orthopedics and traumatology.
Today, delicious treats leave her workshop daily for a wide variety of events throughout Brazil.
Healthy frozen food delivery in São Paulo. We live with the goal of changing people's lives through balanced, healthy, and extremely practical food.
VIWSEC was founded in 1999 to protect corporate and e-commerce services in the early days of the business internet in Brazil.
At Sinnapse, development doesn't happen on an industrial scale. The logic here is different. Each project receives close attention, careful choices, and technical decisions aligned with the reality of those on the other side.
This is the concept of a true boutique development firm: less bulk, more depth, more intention in every detail.
Sinnapse's technical advantages lie both in the tools chosen and in the intelligence behind each application. There are no automated solutions or reused models.
Sinnapse's exposure to markets outside of Brazil has brought maturity, methodology, and a global perspective, resulting in more comprehensive and secure digital solutions.
The company has planned and executed projects for clients in Latin America, the United States, and Europe, handling diverse demands and distinct cultural contexts that elevate each deliverable beyond the obvious.
This track record allows Sinnapse to understand different markets, anticipating nuances and translating needs into digital solutions that work both locally and in broader scenarios.
Having international experience means accepting bigger challenges, adapting methodologies and, above all, thinking about real scalability.
The strength of a development boutique like Sinnapse lies, above all, in the people who make up its team. Beyond executing technical tasks, this team understands... importance of a professional website as a strategic business asset, capable of influencing brand perception, trust, and results.
Therefore, instead of relying on a single perspective, the agency brings together professionals with complementary backgrounds, each contributing a specific perspective to the project.
This diversity of talents means that each digital solution is viewed from multiple perspectives simultaneously. The design interacts with the marketing strategy, the code aligns with the user experience objectives, and the technical structure complements the online positioning plans.
Working with a multidisciplinary team ensures that no step is underestimated or isolated from the whole. When a project is born from this rich collaboration between different areas of knowledge, it grows in depth and purpose.
For Sinnapse, a good website is born from how it is experienced by the user. Attention to UX ensures that each interaction is clear, fluid, and human, going far beyond appearance or code. Each interaction is designed to be intuitive, clear, and welcoming, creating natural paths that guide the user's journey with ease and security.
This concern goes beyond the visual aspect. UX involves content structure, logical navigation sequence, clarity in calls to action, and an architecture that makes sense to the person on the other side of the screen.
When users effortlessly find what they're looking for, the experience goes beyond mere satisfaction and begins to generate trust, an essential ingredient for transforming website visits into real opportunities.
Sinnapse has delivered over 300 projects across various categories, including institutional websites, portals, and e-commerce platforms, all focused on performance and digital strategy.
This trajectory is reflected in concrete examples of direct impact on their clients' businesses.
A prime example is the work done for SOVOS, where the agency developed strategies that resulted in tripling the number of visitors and a considerable increase in the average browsing time on the website, in addition to generating over R$ 1 million in business in less than 30 days of strategic action.
These numbers show that the synergy between technology and strategy can transform digital presence into measurable value for the customer.
Sinnapse has also worked with major brands and important institutions in their respective markets, demonstrating a solid capacity for delivery, adaptability, and commitment to quality.
Electronic and Computer Engineering, Business Administration from FGV, Marketing – Wharton / USA and Business at Harvard.
President and Executive of multinational companies with an international career at HP, DuPont, and British Petroleum.
A graduate of ESPM, she worked at DuPont and Dafiti.
Certified in Digital Marketing Strategies by Harvard – USA. Specialist in high-performance Digital Marketing for B2B and B2C segments.
Specialist in technologies and software applied to Digital Marketing.
SEO, ABM, and LinkedIn specialist. Responsible for innovations that impact our clients' results.
Designer, graduated in multimedia and with a postgraduate degree in branding: brand strategies.
He participated in the development of several well-known brands such as Itaú, Globo, Motorola, Yamaha, Comgás, among others.
Over 15 years of experience in PHP and Java projects. DevOps expertise in Linux, Docker, Oracle PL/SQL, Bash, and other server-side technologies.
Experience in API integration (WordPress, Shopify, WooCommerce, BigCommerce, ShipStation, Orderhive, ProSKU, Google Maps, YouTube, Kajabi, Eduzz, ePages and Slack).
Senior professional with over 18 years of experience in Information Technology.
Projects with a specific focus on ASP.NET since 2006. Senior Fullstack Analyst and Developer.
Dedicated and detail-oriented Drupal developer.
Specialties: PHP, MySQL, Drupal, Tcl, WordPress, XHTML, CSS, NetBeans, Joomla, Oracle, JavaScript, jQuery, Subversion, Git.
Our websites are customized and developed by award-winning web designers in Europe and Brazil. All are optimized for mobile devices.
We are SEO (Search Engine Optimization) specialists and, for this reason, we guarantee the performance of your website.
We use Elementor to make your website editable by your team without requiring any programming knowledge.
We use software with artificial intelligence to identify the best layout to increase the conversion rate.
We have developed over 300 websites of varying complexity, including some highly relevant projects for Nestlé, AIG, GPTW, Barcelona, ...
We offer hosting services with cybersecurity and maintenance. We specialize in WordPress security.
We deliver 100% of our projects within the deadlines we inform our clients. We value the commitments we make.
The investment in website development varies considerably depending on the complexity of the project. There is no single price because each website has different needs.
Factors that influence the price:
• Website type: A simple institutional website costs less than a complex e-commerce site or a web platform integrated with corporate systems.
• Features: The more features (API integration, payment systems, automation), the greater the investment.
•Custom design: Websites with custom designs cost more than ready-made templates.
• Performance and security: Implementing technical optimizations and SSL certificates increases value.
• Maintenance: Some projects include post-development technical support.
Institutional Websites
• Objective: To present the company, its services, and values.
• Features: Service pages, about pages, contact pages, blog
• Ideal for: Companies that want a professional digital presence.
•Example: Portfolio, brand presentation
E-commerce
• Objective: To sell products online
• Features: Product catalog, shopping cart, payment system, order management
• Ideal for: Online stores, marketplaces
•Example: Clothing store, electronics store, grocery store
Web Portals and Platforms
• Objective: To offer specific services or information.
• Features: User areas, system integration, automation
• Ideal for: B2B services, content platforms, SaaS
•Example: Course platforms, management systems
Landing Pages
• Objective: To convert visitors into leads or customers.
• Features: Forms, CTAs, conversion optimization
• Ideal for: Marketing campaigns, product launches
•Example: Promotional pages, webinars
Blogs and Content Portals
•Objective: To publish and organize content
• Features: Post system, categories, comments, SEO
• Ideal for: Agencies, consultants, publications
•Example: Corporate blog, digital magazine
Web Applications
• Objective: To offer complex functionalities accessible via a web browser.
• Features: API integration, data processing, authentication
• Ideal for: Productivity tools, corporate systems
•Example: Management tools, CRM, ERP
Developing a professional website follows a structured process. Here are the main steps:
1. Briefing and Analysis (Weeks 1-2)
• Initial meeting to understand your objectives
•Analysis of the target audience and competition
•Defining necessary functionalities
• Project scope
2. Technical Planning (Weeks 2-3)
• Choosing the right technologies
•Defining the system architecture
• Security and performance planning
• Development timeline
3. Design and Prototyping (Weeks 3-5)
•Creating wireframes
• Visual design of the pages
• Layout approval
• Interactive prototyping
4. Development (Weeks 5-12)
•Front-end development (interface)
• Back-end development (server and database)
•Integration of functionalities
• Continuous testing
5. Testing and QA (Weeks 12-14)
•Functionality tests
• Performance tests
•Safety tests
• Testing on different browsers and devices
6. SEO Optimization (Weeks 14-15)
•Technical SEO optimization
•Implementation of meta tags
•Content structuring
•Speed optimization
7. Deployment and Launch (Weeks 15-16)
•Server configuration
•Deploy to production
•Initial monitoring
• Post-launch support
Tip: Each project is unique, so the timeline may vary. Sinnapse provides a detailed plan at the start of the project.
Aspect | Static | Dynamic |
Speed | Very fast | Fast (if well optimized) |
Cost | Low | Medium to High |
Maintenance | Low | Medium to High |
Features | Limited | Advanced |
Scalability | Limited | High |
SEO | Good | Excellent (if optimized) |
CMS stands for "Content Management System". It's software that allows you to manage website content without needing technical knowledge.
How it works:
•You access a user-friendly interface.
•Creates, edits, and publishes content
• The CMS manages the database and publishing.
Most commonly used CMSs:
WordPress
•Uses: Blogs, corporate websites, small e-commerce sites
•Advantages: Easy to use, many plugins, large community
•Disadvantages: Less flexible for very complex projects.
•Market: ~43% of websites on the internet use WordPress
Shopify
•Use: E-commerce and online stores
• Advantages: Optimized for sales, easy to use, integrated support
•Disadvantages: Less customizable, recurring costs
•Market: Leader in e-commerce
Drupal
•Use: Complex corporate websites, portals
Advantages: Very flexible, secure, scalable.
•Disadvantages: Steeper learning curve, more technical
•Market: Used by large companies and governments
Joomla
•Use: Content portals, community websites
•Advantages: Flexible, good for communities
•Disadvantages: Less popular than WordPress
•Market: ~2% of websites
Customized Solutions
•Use: Very specific and complex projects
•Advantages: Full customization, optimized performance
•Disadvantages: Higher cost, requires technical development.
•Market: Used by large companies and startups
Which one to choose?
•Blog or simple website: WordPress
•Online store: Shopify or WooCommerce (WordPress)
• Corporate portal or website: Drupal or a customized solution.
• Highly specific project: Customized solution
Tip: Sinnapse evaluates your project and recommends the best solution. Sometimes, a customized solution is more efficient than a generic CMS.
A responsive website is one that adapts to any screen size: computer, tablet, or mobile phone. It's extremely important nowadays.
Why it's important:
1. Most access comes from mobile phones.
•70-80% of internet access is via mobile
•If your website doesn't work well on mobile devices, you lose most of your visitors.
2. Google prioritizes responsive websites.
• Google uses "mobile-first indexing" (evaluates the mobile version first)
Responsive websites rank better on Google.
• Non-responsive websites may be penalized.
3. Better user experience
•Users can easily navigate on any device.
•Less frustration, more conversions
•Reduces rejection rate
4. Cost-benefit
• A responsive website is cheaper than maintaining two separate websites (desktop + mobile).
• Easier maintenance
•Fewer technical problems
5. Future-proof
•New devices are constantly emerging
• A responsive website adapts to any size.
Example:
• Non-responsive website: User accesses via mobile phone, text is too small, requires zooming, difficult to click buttons → Leaves the website
• Responsive website: User accesses via mobile phone, everything adapts perfectly, easy to navigate → Stays on the website
Statistics:
• 531% of users abandon a website if it is not responsive.
Responsive websites have more 40% conversions.
•90% of users access the internet via mobile
Security is a critical aspect of website development. There are several layers of protection:
Technical Safety
1. HTTPS and SSL
• Encrypts the communication between user and server.
Essential for websites that collect data (login, payments).
• Google penalizes websites without HTTPS
•Implementation: SSL Certificate (free or paid)
2. Firewall and Server Protection
• Blocks unauthorized access
• Monitors suspicious traffic
•Implementation: Firewall, WAF (Web Application Firewall)
3. Secure Authentication
•Encrypted passwords
•Two-factor authentication (2FA)
•Protection against brute force
•Implementation: Bcrypt, OAuth, JWT
4. Data Validation
• Validates all data submitted by the user.
• Prevents SQL injection and XSS.
•Implementation: Validation on the front-end and back-end
5. Regular Updates
• Keeps software and dependencies up to date.
• Fixes known vulnerabilities
•Implementation: Continuous monitoring
6. Regular Backup
•Database backups
•Allows recovery in case of attack.
•Implementation: Daily/weekly backup
Operational Safety
1. Monitoring
• Monitors suspicious activities
•Real-time alerts
•Implementation: Monitoring tools
2. Password Policy
Strong passwords are required.
•Periodic password changes
•Implementation: Password rules
3. Restricted Access
• Only authorized personnel may access sensitive areas.
•Access logs
•Implementation: Permissions control
4. Legal Compliance
•LGPD (General Data Protection Law)
• Clear privacy policy
• Consent for data collection
•Implementation: Documentation and policies
Safety Checklist:
•✅ HTTPS/SSL enabled
•✅ Firewall configured
•✅ Encrypted passwords
•✅ Data validation
•✅ Regular backups
•✅ Active monitoring
•✅ Updates up to date
•✅ Privacy Policy
Tip: Sinnapse implements all these security measures in its developments. Security is not optional, it's mandatory.
Type | Specialty | Ideal for |
Full-Service Agency | Everything (design, development, marketing) | Companies that want a complete solution. |
Design Agency | Design and UX | Companies that already have developers |
Development Agency | Code and architecture | Companies that already have design |
Freelancer | Specific project | Small and simple projects |
Specialized Agency | Focus on one type (e-commerce, SaaS) | Specific projects |
Hiring a professional website development agency offers several benefits compared to other options:
Versus Doing It Yourself
Advantages of the Agency:
•✅ Professional technical expertise
•✅ Superior quality result
•✅ Time to focus on your business
•✅ Ongoing technical support
•✅ Fewer errors and problems
•✅ Better performance and safety
Disadvantages of Doing It Yourself:
•❌ Lack of technical experience
•❌ Amateur result
•❌ Time spent on development
•❌ No technical support
•❌ More bugs and problems
•❌ Poor performance
Versus Using a Ready-Made Template
Advantages of the Agency:
•✅ Custom design
•✅ Customized features
•✅ Scalable as you grow
•✅ Better performance
•✅ Best SEO
•✅ Differentiates you from the competition
Disadvantages of Template:
•❌ Generic design (same as competitors)
•❌ Limited features
•❌ Difficult to climb
•❌ Poor performance
•❌ Limited SEO
•❌ Looks amateurish
Versus Freelancer
Advantages of the Agency:
•✅ Multidisciplinary team
•✅ Quality guaranteed
•✅ Deadlines met
•✅ Continuous support
•✅ Legal responsibility
•✅ Backup in case someone leaves
Disadvantages of Freelancing:
•❌ One person only (bottleneck)
•❌ Inconsistent quality
•❌ Uncertain deadlines
•❌ No post-project support
•❌ No legal responsibility
•❌ Risk if you leave the project
Investment vs. Return
The Synapse is distinguished by several factors:
Experience
• 20+ years developing websites
•300+ projects delivered
• Clients such as Nestlé, Barcelona, AIG, GPTW
Technical Expertise
•Team of experts (architects, developers, designers)
• Knowledge of multiple technologies
•Always up-to-date with trends
Quality
•All websites with optimized performance
•Robust security implemented
•Integrated technical SEO
Consultative Approach
• It not only develops, but understands your business.
• Proposes solutions aligned with your objectives.
• Focus on results, not just code.
Continuous Support
•Do not abandon after launch
•Technical support available
• Continuous maintenance and optimizations
Innovation
•Always testing new technologies
• Applying best practices
• Following market trends
Tip: Request a free project assessment. Sinnapse will evaluate your needs and present a personalized proposal.
Sinnapse's numbers speak volumes: they reflect our trajectory, trust, and technical expertise accumulated over more than 20 years developing digital solutions. Throughout this history, our agency has built a solid position in website development and the creation of strategic partnerships with companies of different sizes and sectors.
To date, we have developed over 300 projects, including institutional websites, portals, e-commerce sites, and complex web platforms. Each deliverable is built with a focus on performance, security, and scalability. These numbers represent not only volume but also the diversity of technical challenges faced across different technologies, platforms, and markets.
All websites developed by Sinnapse are delivered with optimized technical performance, guaranteeing excellent speed metrics, scalable architecture, robust security, and structured technical SEO. These elements are fundamental for user experience, search engine visibility, and the platform's long-term reliability.
A digital presence that truly drives company growth isn't just about visuals. It requires technical strategy, solid architecture, and a focus on measurable results. Sinnapse stands out precisely because it combines marketing knowledge with technical expertise in developing real websites, both in Brazil and abroad.
We are an agency that looks beyond just a "pretty website." Each project stems from a technical analysis that considers the target market, the audience the company wants to reach, the strategic goals that need to be achieved, and the technological infrastructure necessary to support them.
Software engineering at Sinnapse is the foundation that ensures the robustness, security, and intelligence of our projects. Unlike ready-made and standardized models, each solution is custom-developed to meet the specific needs of each client, aligning robust technology with business objectives and relevant experiences for the target audience.
Development begins with a deep understanding of what the company needs to solve in the digital environment and what technological infrastructure is required to achieve it. Every line of code, every system architecture, and every functionality receives strategic attention, always focusing on reliability, scalability, performance, and security.
We work with different languages and technologies, such as React, Node.js, and Python, always choosing the stack best suited to the technical requirements and goals of the project. Whether it's an institutional website, a complex e-commerce site, a web platform integrated with corporate systems, or a scalable web application, we combine robust engineering with business acumen as a concrete differentiator in website development.
Sinnapse's portfolio reflects our technical capacity to develop solutions for companies of varying profiles, from international brands to businesses that want to stand out digitally with cutting-edge technology. Among the most notable projects is the development carried out for Barça Academy Pro, the official school of FC Barcelona, whose platform needed to communicate credibility, tradition, and alignment with one of the most valuable sports brands in the world, while maintaining high technical performance.
This project demonstrates how Sinnapse understands global needs and translates them into technically sound, scalable, and strategically structured platforms. Another notable case was the development for 3DCRiAR, a company specializing in 3D printing. The structured website not only presents the services clearly but also reinforces the brand's technical authority in sectors such as industry, education, and healthcare, helping to convert visitors into real business opportunities through an optimized digital experience.
Our partnerships with major retail chains and brands such as CCAA and Espaço Laser are also part of our portfolio, reinforcing our experience in developing websites for companies with a broad national presence and high technical requirements.
