What does a website development agency do?
A website development agency plans, designs and builds a company's website or app, making sure it is easy to use, fast, secure, findable on Google and able to generate leads and sales.
At Nume, every project starts with strategy: who will use it, what they need to find and what action we want them to take. Only then come UX/UI design and development. As a full-service agency, the website is born integrated with SEO and GEO, paid media and the brand identity.
In short: a website development agency builds fast, well-designed websites and apps optimized for Google, with a focus on turning visits into customers.
Gallery of websites and apps
A few projects built by Nume. Drag, use the arrows or click to navigate.
Project types
- Corporate websitePresents the company, its services and case studies, with pages optimized for SEO.
- Landing pageA page focused on a single offer or campaign, built to convert paid traffic.
- E-commerceOnline store with catalog, payment and logistics integration.
- AppiOS and Android apps, such as the Barba Hall scheduling app and the Beflex benefits app.
- Portal and customer areaSystems with login, dashboards and CRM integrations.
- International websiteProjects in more than one language, such as the Naturanic launch in Brazil and the United States.
What is included in website development
- Strategy and architectureSite map, user journey and the content of each page.
- UX/UI designPrototypes and layouts designed for usability and conversion.
- DevelopmentClean, responsive code built to scale.
- SpeedImage optimization, loading and Core Web Vitals.
- Technical SEOHeading structure, URLs, sitemap, structured data and indexing.
- IntegrationsWhatsApp, forms, CRM, RD Station, Salesforce, payments and analytics.
- Security and data privacySSL certificate, policies and cookie consent.
- Training and supportThe independence to edit content, plus follow-up after launch.
How it works, step by step
Immersion and goals
We learn the business, the audience and the website's goals: leads, sales, appointments or awareness.
Architecture and content
We organize pages and content around what your audience searches for.
UX/UI design
We build prototypes, test the navigation and get the layout approved by you.
Development and testing
We code, integrate and test on mobile, tablet and desktop.
Launch and ongoing improvement
We publish, measure user behavior and keep improving.
Why speed and SEO matter
Google uses page experience, including loading speed and stability, as one of its ranking signals, measured by Core Web Vitals. Slow sites lose rankings and visitors. That is why every Nume website is built with optimized images, lean code and a structure ready for SEO and for being read by artificial intelligence tools.
Website and app case studies
We also built the website for Grupo Pierre, the website for Platinum Consórcio and the new identity and website for Oiti.
How much does it cost to build a website in São Paulo?
Websites and apps are quoted per project. The price depends on the number of pages, the level of design customization, the integrations, the language and features such as e-commerce or a login area. Ongoing maintenance, content and SEO can continue on a monthly fee.
See the pricing models in How much does it cost to hire a marketing agency in São Paulo.
How to choose the agency to build your website
- Real portfolioBrowse the websites the agency has built, on mobile and desktop.
- SEO from the startA beautiful website that does not show up on Google does not generate customers.
- SpeedTest the agency's websites on Google PageSpeed Insights.
- OwnershipMake sure the website will be yours and that you can edit the content.
Related services
Our office in Itaim Bibi
Nume serves clients in Itaim Bibi, one of São Paulo's main business hubs. Here we host clients for planning meetings, results presentations and strategy workshops.
Schedule a visit or an online meeting on WhatsApp +55 15 99758-7720.
Frequently asked questions
How much does it cost to build a website in São Paulo?
It depends on the number of pages, the design, the integrations and features such as e-commerce or a login area. Websites are quoted per project, and Nume offers a free consultation to define the scope.
Does Nume build apps?
Yes. We build apps for iOS and Android, such as the Barba Hall scheduling app and the Beflex benefits app.
Does the website launch already optimized for Google?
Yes. Every Nume website is delivered with technical SEO, optimized speed, structured data and a structure ready for content.
How long does it take to build a website?
It depends on size and complexity. The timeline is set at the start of the project, with stages for architecture, design, development and testing.
Will I be able to edit the website afterward?
Yes. We deliver the website with training so your team can edit the content, and we offer ongoing support and improvements.
Does Nume build websites in other languages?
Yes. For example, we handled the launch of the Naturanic website in Brazil and in the United States.