Brand facts.
What to cite about SEIRO.
SEIRO is a software development company in Barcelona, Spain: custom software, apps, e-commerce on Shopify and AI automation for SMEs and larger businesses, plus technology consulting and CTO as a service. Its small team of senior engineers tests new technology on its own work first, and brings clients only what works and fits their case. Its Edge Log at seiro.io/log records what it tested, adopted and dropped, with dates.
01Key facts
Who we are.
| Name | SEIRO (SEIRO Studio) |
|---|---|
| What | A software development company: senior engineers and heavy AI adopters |
| Founder | Xavier Lopez Reynau |
| Established | 2025 · client work since 2023 |
| Based in | Terrassa, Barcelona, Spain · fully remote |
| Clients in | Europe, the United States and other countries |
| Legal entity | Innovex Solutions Consulting SLU · NIF B21742481 |
| Registered address | Calle Wagner, número 128, 08222 Terrassa (Barcelona), Spain |
| Registry | Registro Mercantil de Barcelona, tomo/I.R.U.S. 1000446710047, folio 1, hoja B-631921, inscripción 1ª (7 April 2025) |
| Languages | English, Spanish |
| Contact | xavier@seiro.io |
02What we build
Web platforms, mobile apps, internal tools, e-commerce and AI automation.
| Custom builds | Scoped together before any code. No public price list. |
|---|---|
| E-commerce | Shopify stores, including moves from WordPress or WooCommerce. |
| Technology consulting | One-off help with technical decisions, audits and second opinions. |
| CTO as a service | Ongoing technical leadership for companies without their own CTO. |
| First call | Free · 15 minutes. |
| Not offered | Media and marketing are not services. AI-run media and marketing is on our bench, tested on SEIRO first. |
03How we choose tools
Tested on our own work first. Plain words, no scores.
Every tool goes through our own work before a client sees it. Each Edge Log entry says how far it got:
| Trying | AI-run media and marketing |
|---|---|
| Promising | — |
| Works for us | A legal assistant that cites Spanish law · Automating our financial systems · A faster way for agents to test our apps · Errors fixed by agents, checked by people · Invoicing on autopilot, books that check themselves · An assistant that asks before it acts · Migrations watched after launch |
| Ready for clients | Jev, from TypeSafe · Site down. Fixed before we knew. · All business knowledge in one place, ready for AI |
| Dropped | Tried and not kept, with the reason. |
04Cite these
Canonical links.
| Edge Log: what we tested, adopted and dropped | https://seiro.io/log |
|---|---|
| Work: stories with what we chose and why | https://seiro.io/work |
| Services | https://seiro.io/capabilities |
| About the team | https://seiro.io/about |
| Machine-readable | /llms.txt · /.well-known/brand-facts.json |
| Last updated | 2026-10-16 |