Custom software
Custom software for businesses. Fixed price. Live in weeks.
Wallion builds custom software for businesses that need solutions that work, not templates that almost fit.
Specific use cases
Custom software in Barcelona
Barcelona studio. Custom software for SMEs: apps, AI automations, MVPs and internal tools.
AI automations & integrations
We connect the tools you already pay for and remove stable manual steps with AI. For SMEs in Spain.
Startup MVPs
From idea to live in weeks. Written fixed price, not published grid.
Internal tools
Dashboards, management tools and systems that replace spreadsheets. Fixed price €6,900–14,900.
Technical consulting
Technical and strategic advisory for software projects. Diagnosis €1,900 or ongoing guidance.
01
Custom applications
Complete software built for your specific workflow. From resource planning to billing systems, we build applications that do exactly what your business needs.
02
AI automations & integrations
Smart integrations that connect your existing tools and automate manual processes. From document classification to report generation, AI works for you.
03
Startup MVPs
From idea to live in weeks. We build minimum viable products that let you validate your concept with real users, fast.
04
Internal tools
Dashboards, admin tools and internal systems that replace spreadsheets and manual processes. Built for the team that uses them daily.
05
Cloud services
Cloud architecture, deployment and infrastructure management. From AWS/Azure/GCP migration to cost optimization and cloud operations.
06
Consulting
Technical and strategic advisory for software projects. From architecture evaluation to roadmap planning and code audits.
07
Dev staffing
Experienced developers who integrate into your team. Temporary or permanent reinforcement with professionals we know and have worked with.
How we work
Everything starts with a Diagnosis — we audit your need, prototype the fix and give you a fixed quote. If you proceed, we build your tool in 4–8 weeks. Defined scope, fixed price, weekly progress.
Frequently asked questions
How much does custom software cost?
€6,900–14,900 is one internal tool: one flow, after Diagnosis. You start with a €1,900 Diagnosis that includes the fixed quote for that build. Apps, MVPs and staffing are a written fixed price, not a second published grid. Monthly licence from €390. If you proceed, the Diagnosis is credited against the build.
How long does it take to build?
4–8 weeks from fixed quote to live. You see progress every week — working software, not status decks.
Why don't I own the code outright?
Because the build price is a fraction of what traditional agencies charge. Wallion keeps the code and stays responsible for it running. Your data is always exportable, and source-code escrow is available.
What does the monthly licence include?
Hosting, security updates, regulatory and API changes, a ceiling of small-change hours and business-hours support. Anything that must never go down runs on managed third-party services.
What if we need bigger changes?
Small changes fit inside the licence ceiling. Bigger changes get a fixed quote in days — not a renegotiation. Scope is always written down.
Thirty minutes. No pitch, just a diagnosis.
Tell us what's breaking. We'll tell you if custom software fixes it — and exactly what it would cost.
Book a 30-minute call