Overview

About CUB3 SL

CUB3 is a senior software partner for companies navigating critical product phases: taking over a complex application, clarifying product and technology direction, or increasing delivery speed without sacrificing quality. We combine strategic guidance with hands-on execution to transform uncertainty into clear priorities, reliable delivery, and measurable business impact.

Our team is built for complex environments. We step in quickly, audit the current product and architecture, identify root risks, and create a practical action plan focused on outcomes. Whether the issue is technical debt, unstable releases, slow performance, scalability limits, or lack of engineering alignment, we restore control and build a stronger foundation for long-term growth.

CUB3 supports the full lifecycle of digital products:

Project takeover and recovery for legacy or underperforming platforms, including code quality improvements, architecture cleanup, migration planning, testing, and release stability.

Product and technology acceleration through roadmap definition, feature prioritization, and technical decision support aligned with business goals, funding milestones, and go-to-market constraints.

Web and mobile development with modern engineering practices, from new product builds to continuous delivery, including TypeScript-based platforms, mobile experiences, API integrations, DevOps, observability, and reliability.

We do more than deliver features. We help leadership teams make better product decisions, reduce execution risk, and focus resources on what creates real value for users and the business. Our approach is pragmatic, transparent, and performance-oriented: clear scope, fast iterations, high engineering standards, and continuous improvement.

CUB3 works with a selective number of partners to stay deeply involved and highly accountable on every engagement. The result is software that is easier to maintain, faster to evolve, and ready to support ambitious growth.

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Focus

Service Focus of CUB3 SL

How the team's effort is distributed across services.

35%25%15%15%10%

Industries Focus

20%15%15%10%10%

Client Focus

Small Business70%
Medium Business30%

Where we are

Locations (1)

Offices where CUB3 SL operates.

Headquarter
Spain

Spain

Carre Pau Casals, Num 8, 2N PIS, DESPATX 1
Barcelona, Catalunya AD500
+32491710312