# Ketos

> Ketos is a boutique technology studio based in Balneário Camboriú (SC, Brazil) that brings AI, custom systems, and automation inside companies with one clear rule: every deliverable must translate into a result — direct revenue or efficiency, hours gained, and rework removed. We serve Brazil, the United States, Paraguay, and Colombia. Founded by Leonardo Hillebrand and Hans Adler, part of the Lysa group. Brand signature: "From the unknown to the result."

## Pages

- [Home](https://www.ketos.com.br/en): What Ketos does, live products, process, stack and pricing model.
- [Mobile app development](https://www.ketos.com.br/desenvolvimento-de-aplicativos): Custom iOS, Android and web apps, from diagnosis to store publishing (PT).
- [Web development](https://www.ketos.com.br/desenvolvimento-web): Custom web systems, ERPs, marketplaces and SaaS platforms (PT).
- [Artificial intelligence](https://www.ketos.com.br/inteligencia-artificial): Agents and automation wired into the company's real data (PT).
- [UI/UX design](https://www.ketos.com.br/ui-ux-design): Research, prototype and design system shipped by the engineering team (PT).
- [Work](https://www.ketos.com.br/en/work): Cases: BCS SUPER ERP, LysaERP, Helptools, Servizap and MedPlay.
- [About](https://www.ketos.com.br/en/about): Story, meaning of the name Ketos, practice areas, countries served and the core team — Hans Heyde (Design & Client Relations), Hanna Heyde (Product Manager & Developer), Marcel de Araujo (Tech Lead & Developer), Leonardo Dominghini (Design & Client Relations) and Nelio Neto (Developer).
- [Blog](https://www.ketos.com.br/en/blog): Articles on engineering, product, AI and design, each with a TL;DR.
- [Talk to us](https://www.ketos.com.br/en/talk): Diagnosis funnel: project context, timeline and expected return.
- [Brand](https://www.ketos.com.br/en/brand): Brand kit: colors, Afacad typography, logos and mascot.

## Key facts

- Founded: 2023, in Balneário Camboriú (SC, Brazil).
- Digital products live: 6.
- Companies impacted by those products: over 15,000.
- Countries where the apps operate: 4 (Brazil, United States, Paraguay, Colombia).
- Average timeline per project: 3 months. Investment on request.
- Contact: ketos@lysa.tech.

## About the brand

- Name: Ketos means "sea monster" in Ancient Greek — the same word the original Bible uses for the whale that swallowed Jonah.
- Symbol: the "O" in the logo is shaped like a black hole (the singularity Einstein predicted in 1915 and the world only photographed in 2019).
- Core idea: the most unknown is often the most beautiful and the most technological. Ketos exists to cross that distance.
- Certifications: Google Cloud Partner, Apple Developer Program.

## Practice areas

- **Technical consulting and strategy** — diagnosis, architecture, and roadmap before any code.
- **Custom app and systems development** — web, mobile, ERPs, marketplaces, SaaS platforms.
- **Data centralization and integration** — ERPs, spreadsheets, CRMs, and scattered bases unified into one layer.
- **AI education** — training teams to operate, evaluate, and evolve AI solutions day-to-day.

Stack: React, Next.js, TanStack, TypeScript, Node, PostgreSQL, Supabase, AWS, Google Cloud, OpenAI, Anthropic Claude, React Native, Flutter, Firebase, Cloudflare.

## Cases

- **BCS SUPER (2025, in progress)** — on-demand ERP with strategic scraping and an intelligent pricing engine for BCS USA.
- **Lysa (2024, in progress)** — ERP + online store on a single operational database.
- **Helptools (2024)** — tool rental marketplace with geolocation and in-app booking.
- **Servizap (2025)** — app connecting users to qualified repair pros in minutes.
- **MedPlay (2026)** — gamified prep platform for medical residency exams, with competitive ranking.

## How to hire us

Monthly dedication model per project. Investment on request, defined after the assessment. Average timeline: 3 months. No hourly billing — Ketos owns the delivery end to end.

## Contact

- Website: https://www.ketos.com.br/en
- Email: ketos@lysa.tech
- WhatsApp: +55 47 98909-2541
- Address: Rua 1500, 1256 — Balneário Camboriú, SC, Brazil
- LinkedIn: https://www.linkedin.com/company/ketosdev/
- Instagram: https://www.instagram.com/ketos.dev

## Docs

- [Home](https://www.ketos.com.br/en)
- [About](https://www.ketos.com.br/en/about)
- [Work](https://www.ketos.com.br/en/work)
- [Blog](https://www.ketos.com.br/en/blog)
- [Contact](https://www.ketos.com.br/en/contact)
- [Full citation-ready content](https://www.ketos.com.br/llms-full-en.txt)