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Web & AI agency · León: We transform ideas into
digital experiences

Web development agency in León (Spain): custom websites and apps, AI integration, and automation that move your business forward.

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Web, app, and AI development services

Custom digital solutions for companies, SMEs, and freelancers

  • Custom web development

    We design and develop custom websites and web applications with the latest technologies. Performance, security, and scalability come first.

    • Optimal performance
    • SEO from day one
    • Responsive design
    • Built-in security

  • Cross-platform apps for iOS and Android

    Apps with native performance for iOS, Android, and desktop from a single codebase. Seamless experience across all devices.

    • One codebase, all platforms
    • Native performance
    • Faster time to market
    • Simplified maintenance

  • AI integration for business

    Supercharge your business with artificial intelligence. Chatbots, predictive analytics, natural language processing, and intelligent automation.

    • Intelligent automation
    • Data-driven decisions
    • Superior user experience
    • Scalability

  • Business process automation

    Optimize your workflows with custom automation solutions. Cut costs and manual errors, and free up time for what truly matters.

    • Cost reduction
    • Fewer manual errors
    • Scalability
    • Total integration

Technologies we work with

Our stack for web, backend, mobile, AI, cloud, and automation

  • Frontend

    • React
    • Next.js
    • Vue
    • Angular
    • Svelte
    • Nuxt
    • Astro
    • Tailwind CSS
    • TypeScript

  • Backend

    • Node.js
    • NestJS
    • Express
    • Python
    • FastAPI
    • Go
    • PostgreSQL
    • MongoDB
    • Redis
    • Supabase

  • Mobile

    • React Native
    • Flutter
    • Swift
    • Kotlin
    • Expo
    • Capacitor

  • AI & ML

    • OpenAI
    • Anthropic
    • LangChain
    • PyTorch
    • TensorFlow
    • Hugging Face
    • Pinecone
    • Weaviate

  • Cloud & DevOps

    • AWS
    • Google Cloud
    • Azure
    • Cloudflare
    • Vercel
    • Docker
    • Kubernetes
    • GitHub Actions
    • Terraform

  • Automation

    • n8n
    • Make
    • Zapier
    • Pipedream
    • Temporal
    • Apache Airflow
    • BullMQ
    • RabbitMQ
    • Node-RED

Don't see your stack? We adapt to the tools you already use. Tell us about your project

Our 4-step process

  1. We study your business, goals, and competitors, then define requirements, scope, and timeline.

  2. Wireframes and interactive prototypes to validate the user experience before we write any code.

  3. We build in sprints with incremental deliveries and tested code, so you can see real progress.

  4. We deploy, monitor, and optimize; after launch, we offer maintenance plans.

Why Leonwebs?

Current technology, custom work, post-launch support, and measurable results

Leonwebs is the brand of LEON WEBS, S.L., a web development and artificial intelligence agency based in León (Spain). We design and build custom websites, cross-platform apps, AI integrations, and process automation for freelancers, SMEs, and large companies, and we take on projects from across Spain and the rest of Europe.

  • Cutting-edge technology

    We work with React, Next.js, TypeScript, Node.js, Python, and Flutter, and with the OpenAI and Anthropic APIs on AI projects.

  • Tailored solutions

    Every project starts with an analysis of your business: we define requirements, scope, and timeline before writing a single line of code.

  • Ongoing support

    We stay with you after launch: monitoring, optimization, and maintenance plans to keep everything up to date.

  • Measurable results

    We focus on real metrics: performance, conversion, and user satisfaction. This website, prerendered and in seven languages, is a case in point.

Company details

Legal name
LEON WEBS, S.L.
Tax ID (NIF)
B26741918
Registered office
CL. Cirujano Rodríguez, 33 – 24005 León (León), Spain
Company registration
Registered in the Commercial Registry of León, Section 8, Sheet LE-29865, Entry 1 (30/04/2026)
Contact
jrobles@leonwebs.com

Questions & answers

Frequently asked questions

Answers to the most common questions about web development, apps, AI, and automation

Have another question?

Tell us what you need and we'll get back to you with a tailored, no-obligation proposal.

Get in touch

  • It depends on the scope: the number of pages or screens, features, integrations, and deadlines. At Leonwebs we review your case and send you a tailored, no-obligation quote.

  • A website can be ready in 2-4 weeks, and a complex application can take 2-3 months. Timelines depend on the scope, and we always set a clear schedule from the start.

  • We work with React, Next.js, and TypeScript for web; Node.js and Python for the backend; Flutter and React Native for mobile; the OpenAI and Anthropic APIs for AI; and n8n, Make, and Zapier for automation. We choose the technology that best fits each project.

  • Yes. We offer maintenance plans and ongoing support: we monitor, update, and optimize your project so it keeps running properly.

  • Yes. We work with startups, freelancers, SMEs, and large companies, and we adapt each solution to every client's needs and budget.

  • Leonwebs (LEON WEBS, S.L.) is based in León, Spain. We take on projects from across Spain and the rest of Europe, and our website is available in seven languages.

  • Yes. We integrate chatbots and virtual assistants, predictive analytics, natural language processing, computer vision, and RAG systems that answer using your own company's data. We validate each use case with an MVP before scaling.

  • We automate workflows, integrations between applications, email and communications, and document and invoice processing, including through RPA. We work with n8n, Make, and Zapier, and build custom integrations using APIs and webhooks.

Ready to boost your business?

Tell us your idea and we'll help make it a reality

Basic information on data protection. Controller: LEON WEBS, S.L. Purpose: to handle and reply to your enquiry or quote request. Legal basis: consent of the data subject. Recipients: email and hosting providers acting as data processors. Rights: access, rectification, erasure, objection, restriction and portability, by writing to jrobles@leonwebs.com. Further information in the privacy policy.