Best Machine Learning Development Companies in Europe

STX Next vs Innowise: full comparison for 2026

Last updated: July 2026

Quick verdict

STX Next (4.3/5) edges ahead of Innowise (3.8/5) overall. STX Next is the better choice for companies needing ML development paired with deep, large-scale Python software engineering capacity. Innowise is the stronger option for enterprises needing large-scale, low-cost nearshore staff augmentation with an ML and AI component. The right choice depends on your project size, budget, and required tech stack.

STX Next vs Innowise: head-to-head summary

Criterion STX Next Innowise
Founded 2005 2007
HQ Poznan, Poland Warsaw, Poland
Team size 201–500 1000+
Rating 4.3 / 5 3.8 / 5
Best for Companies needing ML development paired with deep, large-scale Python software engineering capacity Enterprises needing large-scale, low-cost nearshore staff augmentation with an ML and AI component
Pricing model Dedicated team, staff augmentation, fixed project Staff augmentation, dedicated team, fixed project
Min. engagement $25K $20K
Primary tech stack Python, Django, FastAPI Python, Java, .NET
Industries served SaaS, Fintech, Healthcare, E-commerce, Enterprise Fintech, Healthcare, E-commerce, Enterprise

STX Next vs Innowise: overview

STX Next

STX Next, founded in March 2005 in Poznan, Poland, grew from an 8-person startup into a nearly 500-person Python engineering firm with delivery centers across Poland and Mexico. Known primarily as one of Europe's largest dedicated Python engineering companies, STX Next has built out AI/ML and data engineering practices on top of its deep Python bench, making it a strong generalist option for ML projects that also require broader software engineering.

Innowise

Innowise, also known as Innowise Group, founded in 2007 and headquartered in Warsaw, Poland, is a large IT outsourcing company with reported staff counts ranging from roughly 700 to over 3,000 depending on source and time period. Innowise offers AI and machine learning development as part of a broad custom software development, staff augmentation, and IT consulting portfolio spanning five continents.

Services and capabilities: STX Next vs Innowise

Capability STX Next Innowise
ML model development
Computer vision
NLP
Generative AI / LLM integration
MLOps
AI strategy consulting
Staff augmentation

Tech stack comparison: STX Next vs Innowise

Framework / platform STX Next Innowise
Python
TensorFlow
PyTorch N/A
AWS
Azure
Kubernetes N/A N/A

Pricing comparison: STX Next vs Innowise

Criterion STX Next Innowise
Minimum engagement $25K $20K
Engagement models Dedicated team, Staff augmentation, Fixed project Staff augmentation, Dedicated team, Fixed project
Rate transparency Minimum disclosed Minimum disclosed
Price tier Accessible Accessible

Target audience comparison: STX Next vs Innowise

Dimension STX Next Innowise
Best company size Startup to mid-market Startup to mid-market
Best industries SaaS, Fintech, Healthcare Fintech, Healthcare, E-commerce
Best use cases ML feature development inside a larger Python software platform, Scaling an engineering team with dedicated Python and ML staff Large-scale staff augmentation for an ML engineering team, Cost-sensitive nearshore development with an AI component
Typical project type Dedicated team Staff augmentation

STX Next vs Innowise: pros and cons

STX Next
+ Two decades of operating history since founding in 2005 with proven scale of roughly 500 engineers
+ Deep Python engineering bench supports complex ML and software integration projects
+ Multiple delivery centers across Poland and Mexico for coverage flexibility
+ Established staff augmentation model for teams needing to scale quickly
- ML and AI is one practice among several rather than the firm's sole focus
- Larger organizational size may mean less founder-level attention than boutique specialists
- Best fit skews toward Python-centric stacks rather than polyglot ML environments
Innowise
+ Nearly two decades of operating history since founding in 2007, with very large delivery scale
+ Broad staff augmentation offering useful for enterprises needing to scale ML teams quickly and cheaply
+ Presence across five continents provides flexible time-zone coverage
+ Lower minimum engagement size than several other large generalist firms on this list
- Reported employee counts vary substantially across sources, from roughly 700 to over 3,000, reflecting limited public transparency
- AI and ML is one service line within a very broad generalist IT outsourcing portfolio, not a specialist focus
- Volume-outsourcing model may deliver less senior-level attention than boutique ML specialists

Who should choose STX Next?

STX Next is the right choice for companies needing ML development paired with deep, large-scale Python software engineering capacity.

One of Europe's largest dedicated Python engineering companies, with ML and data practices built on that scale. Minimum engagement starts at $25K. Works best with clients in SaaS, Fintech, Healthcare, E-commerce, Enterprise.

Who should choose Innowise?

Innowise is the right choice for enterprises needing large-scale, low-cost nearshore staff augmentation with an ML and AI component.

Very large delivery scale and broad geographic reach, positioned for volume staff augmentation over specialist ML depth. Minimum engagement starts at $20K. Works best with clients in Fintech, Healthcare, E-commerce, Enterprise.

Decision matrix: STX Next vs Innowise

Your situation Recommended choice
You need full-ownership delivery on a defined project scope STX Next
You need a large dedicated team for an ongoing programme STX Next
Your budget is at the lower end Innowise
You need specialist depth in a specific vertical STX Next
You need staff augmentation or team extension STX Next
You need consulting before committing to a build STX Next

Use case fit: STX Next vs Innowise

Use case STX Next fit Innowise fit Winner
ML feature development inside a larger Python software platform Strong Strong Both equally
Scaling an engineering team with dedicated Python and ML staff Strong Strong Both equally
Large-scale staff augmentation for an ML engineering team Limited Strong Innowise
Cost-sensitive nearshore development with an AI component Limited Strong Innowise
Fixed-price build Limited Limited Both equally
Staff augmentation Strong Strong Both equally

Verdict: STX Next vs Innowise

STX Next (4.3/5) is the stronger overall choice for most Machine Learning Development projects. One of Europe's largest dedicated Python engineering companies, with ML and data practices built on that scale. It is best for companies needing ML development paired with deep, large-scale Python software engineering capacity.

Innowise (3.8/5) is the better choice when enterprises needing large-scale, low-cost nearshore staff augmentation with an ML and AI component. If your situation matches those criteria, Innowise is a competitive option.

Related comparisons

STX Next vs Innowise FAQ

Is STX Next better than Innowise?

STX Next (4.3/5) scores higher overall, but "better" depends on your use case. STX Next is better for companies needing ML development paired with deep, large-scale Python software engineering capacity. Innowise is better for enterprises needing large-scale, low-cost nearshore staff augmentation with an ML and AI component.

How do STX Next and Innowise differ in pricing?

STX Next uses dedicated team, staff augmentation, fixed project pricing with a minimum engagement of $25K. Innowise uses staff augmentation, dedicated team, fixed project pricing with a minimum engagement of $20K. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: STX Next or Innowise?

STX Next is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each company before shortlisting.

What are the main differences between STX Next and Innowise?

STX Next's primary differentiator is: one of europe's largest dedicated python engineering companies, with ml and data practices built on that scale. Innowise's primary differentiator is: very large delivery scale and broad geographic reach, positioned for volume staff augmentation over specialist ml depth. They also differ in team size (201–500 vs 1000+), minimum engagement ($25K vs $20K), and primary industries served (SaaS, Fintech vs Fintech, Healthcare).

Last reviewed: July 2026. Verify all details directly with each company before making a decision.