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SINLIOS | Digital Solutions with Practical Engineering

Technology that works for your business.

We design and maintain websites, build custom applications, and automate processes to help your business run better with complete peace of mind.

+20 years
of development experience
100%
optimized code & local assets
Zero hassle
continuous technical support
Del caos operativo a la claridad digital — SinLios
SinLios Architecture Engine
Process Transformation Active
High-impact web · In-house software · Zero hassle
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Our Core Capabilities

Three pillars of expertise. Uncompromising technical rigor.

From standout digital presence and steady maintenance to bespoke software systems and battle-tested products.

Websites that represent your brand

Bespoke design, blazing-fast speed, and proactive maintenance so you never worry about the technical details.

Software that solves real problems

Custom business tools and integrations that eliminate manual paperwork, fragile spreadsheets, and operational friction.

Battle-tested proprietary software

Independent software products built by our team and trusted by thousands of users and organizations worldwide.

Presence & Peace of Mind

Web design that converts. Maintenance that brings serenity.

A great website does not end on launch day. It is a living business tool that requires distinctive visual design, sub-second loading, and an expert technical team caring for it daily.

  • Unique design tailored to your brand identity and commercial goals
  • Optimized performance: top-tier Core Web Vitals scores
  • Automated off-site backups, updates, and 24/7 uptime monitoring
  • Direct human support with senior engineers: swift response, zero runarounds
Mantenimiento Web y Monitorización 24/7 — SinLios
Uptime activo: 99.98% · Copias redundantes 24/7 Care
Software a Medida e Integración de Sistemas — SinLios
Replacing spreadsheets with resilient tools Custom Build
Operational Efficiency

From operational chaos to digital clarity.

We develop custom internal web apps and management portals tailored to your exact workflows. Avoid paying for bloatware and escape the limitations of spreadsheets that have reached their breaking point.

  • Unified management for records, customer accounts, and internal workflows
  • Seamless integration with your existing ERPs, CRMs, and APIs
  • Practical automations with supervised AI where it proves measurable value
  • Complete ownership of your data, security, and clean code
Pragmatic Automation

Applied Automation & AI: verifiable results without hype

We bridge your communication channels (WhatsApp, emails, APIs, invoicing) and process documentation automatically with human oversight to eliminate repetitive manual hours.

Automatización de Procesos e IA con Criterio — SinLios
Flujos sin fricción · Supervisión humana garantizada Smart Pipeline
Proven Track Record

Software engineered by SinLios.

We don’t just build client projects: we engineer, scale, and maintain our own proprietary technology platforms.

Development Suite

VisualNEO (Win & Web)

Rapid visual development suite to build Windows desktop applications and modern interactive web apps with ease.

Health & Biometrics

neoHealth

17 clinical physiological and sports apps operating 100% offline: body composition, heart zones, nutrition & biological age.

Virtual Classrooms

Live Aula

Interactive live online training platform with real-time participation tools designed specifically for educators and academies.

Space Management

Aula Control & BiblioControl

Management software for room bookings, PC stations, and attendance tracking tailored for academies and public libraries.

Immediate Response

Tell us what your business needs.

We will find a simpler, more dependable way forward.

Direct Contact Channels
WhatsApp directo
(+34) 662 245 322
Email oficial
info@sinlios.com
Antonio Machado 7, 28490 Becerril de la Sierra (Madrid, Spain)

Send us your project details

You will receive a direct reply from a senior engineer within 24 business hours.

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