Stepwise
Warsaw, Poland
About
Stepwise is a Warsaw AI and cloud consultancy building AI strategy, custom software, data engineering and MLOps as a Google Cloud partner.
Who They Work With
Early-stage B2B software companies that need a cloud and data engineering team, with AI as one part of the product build.
Based on 11 client engagements with a source URL · researched 23 Sept 2026
Our Take
Stepwise's case-study index is mostly cloud, backend and frontend work—Vue.js for Roomzilla, interface work for Qemotion, a Kubernetes move for a sports-media publisher—and the AI labels sit on a handful of studies that describe little AI.
The AI Platform for Self Learning Solutions is a low-code lending SaaS live at 4 end clients, but its reported results are development, maintenance and infrastructure cost cuts rather than model outcomes; the one measured model is Stabilis' Vertex AI project, which predicted production-line settings correctly 75% of the time.
The PERMITS to Fly study describes handing over an interactive prototype with the MVP still to be scoped, then reports cost savings of up to 90%—the figures read as projections, not measurements.
The weaker fit is buyers who need a production ML or LLM system with published accuracy and a reference—the Stepwise AI Assistant's 31% performance figure comes from Goldman Sachs research, not a deployment.
Key strengths
- CEO Natalia Kowalczyk-Grębska, PhD, and CTO Radek Grębski are named with a Warsaw street address, and the About page describes 5–15 engineer teams supervised by a CTO and a solution architect
- Ackwest Group's Clutch review describes a two-year engagement (2023–2025) in which a 6–10 person Stepwise team built a data platform with AI and ML work for a US consumer-insights group
- The Stabilis study reports a plain model result—75% correct prediction of machine settings—and a Clutch interview with Stabilis' data scientist confirms the 2022 engagement
Good to know
- Most case studies are conventional software builds—ask for AI work where Stepwise trained or evaluated the model, not only built the platform around it
- Figures such as 90% cost savings at PERMITS to Fly sit beside a delivered prototype—ask which numbers were measured on a running system and how
- Ackwest's Clutch review scores cost 3.0 and willingness to refer 3.5 against 4.5 overall—ask a recent AI client how budget tracked against delivery
Reviewed by Gabor Kiss
Founder & Curator, AIAgencies.eu · 23 Sept 2026
Based on the agency's publicly available portfolio. Own this agency? Claim your profile to provide additional context or request a review update.
Notable Clients
Every engagement documented in a published case study
Documented engagements: Self Learning Solutions, Stabilis, Ackwest Group, Mondeca, PERMITS to Fly, and Qemotion. All 6 carry a source URL on file.
Industries
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