gonogo.design – Rapid Product Discovery

De-risk your next move with rapid product discovery. From stakeholder alignment to customer-tested prototypes, structured product discovery that turns uncertainty into clarity.

15+ years delivering trusted outcomes · 100+ workshops facilitated · EU-based, serving clients worldwide.

Services

go/nogo://hackathon – A 1-day product hackathon with real user validation. Build with AI, test with real users, make a clear go/nogo decision.
Problem Framing Workshops – Align everyone on the real problem and success criteria in 1 day.
AI-Powered Design Sprints – Validate the best direction in 4 days with a testable prototype and user feedback.
User Testing – Get reliable user evidence and clear recommendations to reduce risk and ship improvements that matter.
UX Audits – Identify the highest-impact usability issues, validate them with real users, and get a prioritized action plan.

Case Studies

Castifai.com UX Audit – Improving first-time user clarity, activation, and trust in an AI content tool.
HealthTech Design Sprint – De-risking a therapy-support platform with a 4-day Design Sprint.
eCommerce Design Sprint – Validating admin workflows for an enterprise back-office SaaS platform.
EdTech User Testing – Improving learning platform engagement through user testing with real teachers.

Why Work With Us

Speed to Evidence – Go/pivot/stop decision in days, not months.
Expert Facilitation – Experienced facilitators guide your team through proven design thinking methods.
AI-Powered Insights – AI speeds up pattern-finding and synthesis while humans validate every insight.
Decision-Ready Deliverables – Clear reports, risk scoring, and real user feedback ready for stakeholders.
International Coverage – On-site, hybrid, or fully remote.
Compliance Built-In – GDPR, EU data residency, and no AI training on your data.

About

Founded by Marcin Klimaszewski, gonogo.design is a product discovery consultancy based in Warsaw, Poland, operating internationally. We help product leaders, product managers, and innovation teams in B2B SaaS, HealthTech, EdTech, and eCommerce make confident product decisions before major development investments.

Insights

Practical perspectives on product discovery, Design Sprints, and user research. Read all insights.

Contact

Ready to de-risk your next big decision? Send us a message or book a call. We respond within 1 business day.

Warsaw, Poland · Operates internationally · LinkedIn