About Renaix

Senior accountability from diagnosis through operation.

Renaix is a founder-led AI implementation and operations firm. One senior lead stays accountable from diagnosis through operation, with specialists brought in where the work requires them.

Founder

Sergio Barguilla

Founder, Renaix

Sergio Barguilla founded Renaix after more than 20 years living and working in Germany and the UK, building and operating digital businesses through growth, public-company scale, founder exits and post-acquisition integration.

Sergio remains directly involved in engagement strategy, system design and quality, and leads selected client engagements personally.

Selected operating experience.

Experience from leadership and operating roles held before founding Renaix.

28 OpCos / 20M+ users

Built and delivered converged web and mobile platforms, leading teams across Germany, the UK and India.

€15M ARR

Built trivago's B2B business as the company scaled from 200 people through its NASDAQ IPO.

500K+ MAU / €7M ARR

Ran the founder's navigation business through its acquisition by Eurowag.

Collaborators and advisors

Senior experience, brought in with purpose.

Renaix works with senior collaborators and advisors across engineering, security, data, design and domain expertise. Collaborators join delivery where their skills are required. Advisors provide perspective and challenge. Client accountability remains with Renaix throughout.

Senior specialists who join engagements for defined areas of delivery.

Collaborator

Matthew V Rabinowitz

Complex systems and applied problem-solving

An American entrepreneur and financial-markets operator with hands-on software development experience, Matthew works where complex decisions, technology and real-world consequences meet. He has founded and led businesses across traditional and digital assets, approaching problems as both an operator and a builder. He brings Renaix a valuable perspective on evidence, risk, controls and how production systems should behave when mistakes matter.

Collaborator

John Bettiol

Software engineering and delivery leadership

An Australian developer first, still writing code, with delivery experience across web and mobile, video on demand, and the integration and upgrade of legacy systems. Team lead, development manager, CTO and then CEO, through organisational change and mergers.

How Renaix works

Senior-led, assembled around the work.

Every Renaix engagement has one accountable senior lead from diagnosis through operation. Specialists in engineering, security, data, design and domain expertise join according to the needs of the workflow. The team changes with the work; accountability does not.

One named senior lead

A senior lead remains accountable from first diagnosis through ongoing operation.

Specialists by scope

Engineering, security, data, design, and domain expertise join according to the needs of the workflow.

No delivery handovers

Context and accountability remain intact between diagnosis, build, and operation.

Senior involvement stays intact

The senior lead remains close to the work as the engagement moves from diagnosis into build and operation.

The name Renaix.

Renaix comes from renaissance. The idea is simple: when a critical workflow stops depending on fragmented information, manual handoffs and individual memory, the business can operate differently from that point on.

Your business renaissance, powered by AI.

Bring your critical workflow

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