Fixed scope
Timeline and price agreed before we start, with no surprises on the bill.
Software engineering boutique · Fortaleza, CE
Custom software for your business to grow.
Websites, apps, SaaS platforms, management systems and automations. Fixed scope, screens approved before the code and the source code is yours.
- Fixed timeline and price
- Weekly deliveries
- Source code 100% yours
About us
An engineering boutique, not a website factory.
GNS Tech is a software engineering boutique in Fortaleza, Ceará, Brazil. We build websites, apps and systems for companies that need custom technology.
The person you talk to is the one who designs and programs. The founder, George Euzébio, follows every project closely, with no middlemen and no support staff without technical knowledge. Get to know GNS Tech.
Approved screens
You validate every screen in Figma before any line of code.
Weekly deliveries
A new version in a test environment every week, so you can follow along.
The code is yours
Source code, database and cloud accounts under your company's name, with no license fees.
What we do
From the website to the complete system.
Six lines of work. Each with a typical timeline stated from the first contact.
Websites and landing pages
Fast, beautiful pages designed to generate contact and sales.
2 to 5 business daysMobile apps
iOS and Android apps, or a PWA that installs on the phone without going through the store.
30 to 75 daysSaaS platforms
Your subscription product, with recurring billing, dashboard and multi-user support.
30 to 75 daysWeb systems and ERP
Custom management: service orders, finance, inventory, customers and fleet.
Custom scopeAutomations
n8n, WhatsApp, CRM, ERP and APIs talking to each other, with no manual work.
5 to 15 daysAudit of AI-built apps
Project stuck on Lovable, Bolt, Cursor, v0, Bubble or FlutterFlow? We audit, harden and refactor.
Initial diagnosisHow we work
- 1Diagnosis and scopeWe map the business rules and fix the scope, timeline and price.
- 2Design and validationYou approve every screen in Figma before programming.
- 3DevelopmentA new version in a test environment every week.
- 4Launch and warrantyPublishing, team training and contractual warranty.
Portfolio
Projects that are live.
Websites, stores, apps and systems we built for clients in very different fields.
AllWebsitesOnline storesApps and systems
ERP + PWA app
SAM Autos
Complete ERP for a forklift maintenance company, with an app for technicians to open service orders, record photos and hours, fill in checklists and collect the customer's signature in the field.
Restricted access for customers and team
SaaS platform · nearing completion
Pizza SaaS
Ordering app for pizzerias, sold by subscription.
Visit site ↗
Mobile app · nearing completion
PersoNay
Training, assessment and student management app for personal trainers, made for Nayanne Andrade. The trainer manages students, workouts, schedule and finances, and each student follows their workout with a muscle map and step-by-step exercises.
Not yet published on the app stores
Website + app
Gym Paquera
Portal and connections app for people serious about the fitness lifestyle.
Visit site ↗
Online store
Bella & Co
Perfume and beauty e-commerce with a catalog by brand and category.
Visit site ↗
Online store
Ambição Club
T-shirt store with a strong identity and direct navigation to the product.
Visit site ↗
Corporate website
D'Azur Imobiliária
Website for selling, renting and launching properties in Fortaleza.
Visit site ↗
Lead generation site
AliaOdonto
Management consultancy for dental clinics, focused on booking diagnoses.
Visit site ↗
Sales page
Mentoria Gusmão
Sales page for the legal-security mentoring program for the real estate market.
Visit site ↗
Professional website
Psi Chirliane
Psychologist website with CBT and Logotherapy, designed to generate bookings.
Visit site ↗
Content portal
Portal Doutrina Católica
Articles and training portal with content organized by topic.
Visit site ↗
Corporate website
Franguitos
Fast-food chain site that presents the brand, the experience and the business model.
Visit site ↗
Website + WhatsApp
Mística Cigana
Oracle consultation site, with Gypsy Cards, Tarot and Cowrie Shells, and direct booking through WhatsApp.
Visit site ↗
Website + WhatsApp
Professor Marcelo
Private Math and Physics tutoring site, presenting the classes and booking through WhatsApp.
Visit site ↗
Corporate website
Hitec Energia Solar
Website for a solar energy company in Eunápolis (BA), with services, contact and quote requests.
Visit site ↗
SaaS platform · Hebrew-language site
DropShipISR
Israeli dropshipping SaaS platform that connects WooCommerce stores to local suppliers, with subscription plans, product import and stock and price sync.
Visit site ↗Testimonials
Who has worked with us.
Recomendo a empresa e toda a equipe GNS Tech pelo excelente profissionalismo, atendimento e suporte prestado. Demonstraram eficiência, comprometimento, responsabilidade e pontualidade, cumprindo os prazos e realizando a entrega com muita qualidade. Estão todos de parabéns pelo excelente trabalho! Minha satisfação e reconhecimento!
Contratei a empresa para desenvolver meu app, fui bem atendida desde o início, profissionais capacitados e experientes. Me entregaram antes do prazo. Uso todos os dias o app, ficou melhor do que eu imaginei! Parabéns GNS TECH!
Tive uma ótima experiência com o George, da GNS Tech! Ele foi extremamente profissional, atencioso e dedicado durante todo o desenvolvimento do meu aplicativo. Sempre disposto a ajudar, esclarecer dúvidas e encontrar as melhores soluções para o projeto. O resultado ficou excelente e superou minhas expectativas. Recomendo muito o trabalho dele para quem procura qualidade, comprometimento e confiança no desenvolvimento de aplicativos!
Excelente experiência com a GNS Tech! Gostaria de destacar especialmente o trabalho do George, um profissional extremamente atencioso, competente e comprometido com a satisfação do cliente. Seu profissionalismo, dedicação e cuidado com cada detalhe fazem toda a diferença. É muito bom contar com profissionais que transmitem confiança, demonstram conhecimento e prezam pela excelência no serviço prestado. Parabéns, George, pelo excelente trabalho! Recomendo a GNS Tech!
A Vértice Art Studio recomenda o trabalho com total confiança! Profissionalismo, pontualidade e um atendimento atencioso e humanizado fazem toda a diferença. Além da excelente execução, destaca-se pela capacidade de propor soluções, agregar ideias e trazer inovação a cada projeto. Uma parceria que realmente agrega valor ao nosso trabalho. Recomendamos!
Super recomendo a GNS Tech! O George presta serviço com excelência e preço muito justo! Fiz meu site logo com ele e amei.
Profissional educado, cumpre os prazos de entrega e extremamente competente. Parabéns.
Parabéns à equipe da GNS Tech! Excelente empresa, cumpre os prazos e conta com ótimos profissionais. Recomendo muito!
Ótimo profissional!! Honesto e competente!! De total confiança!!
Trabalho excepcional e de confiança!
A GNS é de confiança e responsabilidade! Não abro mão por nada.
Ótimo profissional.
Frequently asked questions
What people usually ask us.
What is the timeline to deliver my project?
Websites and landing pages take 2 to 5 business days, automations 5 to 15 days, and mobile apps and SaaS platforms 30 to 75 days. The exact timeline is fixed in the diagnosis, before the contract.
Who owns the source code?
100% yours. Source code, repositories, databases and cloud accounts stay under your company's name, with no license fees.
How do the contract and payment work?
Service agreement with SLA, NDA and invoice. Payments are tied to project milestones.
My project got stuck. Can you fix it?
Yes. We audit, refactor and migrate apps built with Cursor, Lovable, Bolt, v0, Bubble or FlutterFlow to professional code.
Is there a warranty after delivery?
Yes, a contractual post-launch warranty, plus optional ongoing support plans.
Do you integrate with the systems I already use?
With any system that has an API or accessible database: Totvs, Bling, Tiny, ContaAzul, Omie, HubSpot, RD Station, Pipedrive, Stripe, Asaas, Mercado Pago and the official WhatsApp API.
How does GNS Tech handle my data?
We follow the Brazilian General Data Protection Law (LGPD). We use your data only to answer your contact and provide the service. Details are in the Privacy Policy.
Ready to get your project off the ground?
Tell us what you need and we'll get back to you with the next steps.
By contacting us, you agree to the processing of your data described in the Privacy Policy.