Best Machine Learning Development Companies in Europe

STX Next vs DATAFOREST: full comparison for 2026

Last updated: July 2026

Quick verdict

STX Next (4.3/5) edges ahead of DATAFOREST (4.1/5) overall. STX Next is the better choice for companies needing ML development paired with deep, large-scale Python software engineering capacity. DATAFOREST is the stronger option for small and mid-market businesses needing data engineering plus ML analytics as a combined offering. The right choice depends on your project size, budget, and required tech stack.

STX Next vs DATAFOREST: head-to-head summary

Criterion STX Next DATAFOREST
Founded 2005 2018
HQ Poznan, Poland Kyiv, Ukraine
Team size 201–500 51–200
Rating 4.3 / 5 4.1 / 5
Best for Companies needing ML development paired with deep, large-scale Python software engineering capacity Small and mid-market businesses needing data engineering plus ML analytics as a combined offering
Pricing model Dedicated team, staff augmentation, fixed project Fixed project, dedicated team
Min. engagement $25K $15K
Primary tech stack Python, Django, FastAPI Python, Airflow, AWS
Industries served SaaS, Fintech, Healthcare, E-commerce, Enterprise E-commerce, SaaS, Fintech, Healthcare

STX Next vs DATAFOREST: 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.

DATAFOREST

DATAFOREST is a data science and software development agency founded in 2018, headquartered in Kyiv, Ukraine, with an additional office in New York. The company, with an estimated 50 to 249 employees, provides ETL pipelines, data analytics, and custom machine learning solutions, and has been recognized by The Manifest as a top-reviewed IT agency in Ukraine, per company website; independently unverifiable.

Services and capabilities: STX Next vs DATAFOREST

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

Tech stack comparison: STX Next vs DATAFOREST

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

Pricing comparison: STX Next vs DATAFOREST

Criterion STX Next DATAFOREST
Minimum engagement $25K $15K
Engagement models Dedicated team, Staff augmentation, Fixed project Fixed project, Dedicated team
Rate transparency Minimum disclosed Minimum disclosed
Price tier Accessible Accessible

Target audience comparison: STX Next vs DATAFOREST

Dimension STX Next DATAFOREST
Best company size Startup to mid-market Startup to mid-market
Best industries SaaS, Fintech, Healthcare E-commerce, SaaS, Fintech
Best use cases ML feature development inside a larger Python software platform, Scaling an engineering team with dedicated Python and ML staff Building ETL pipelines feeding a downstream ML model, Predictive analytics for e-commerce customer behavior
Typical project type Dedicated team Fixed project

STX Next vs DATAFOREST: 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
DATAFOREST
+ Combines core data engineering (ETL and pipelines) with ML analytics under one team
+ Growing review base and recognition from The Manifest as a top-reviewed Ukraine IT agency
+ Competitive pricing relative to Western European ML firms
+ New York office adds coverage for US-based clients
- Kyiv, Ukraine-based delivery carries the same operational-continuity considerations as other Ukraine-linked firms
- Founded in 2018, a shorter track record than more established European ML consultancies
- Data engineering heritage means the ML practice is comparatively newer within the firm

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 DATAFOREST?

DATAFOREST is the right choice for small and mid-market businesses needing data engineering plus ML analytics as a combined offering.

Combined data engineering (ETL) and ML analytics practice with a growing review base. Minimum engagement starts at $15K. Works best with clients in E-commerce, SaaS, Fintech, Healthcare.

Decision matrix: STX Next vs DATAFOREST

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 DATAFOREST
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 DATAFOREST

Use case STX Next fit DATAFOREST 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 Limited STX Next
Building ETL pipelines feeding a downstream ML model Limited Strong DATAFOREST
Predictive analytics for e-commerce customer behavior Limited Strong DATAFOREST
Fixed-price build Limited Limited Both equally
Staff augmentation Strong Limited STX Next

Verdict: STX Next vs DATAFOREST

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.

DATAFOREST (4.1/5) is the better choice when small and mid-market businesses needing data engineering plus ML analytics as a combined offering. If your situation matches those criteria, DATAFOREST is a competitive option.

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STX Next vs DATAFOREST FAQ

Is STX Next better than DATAFOREST?

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. DATAFOREST is better for small and mid-market businesses needing data engineering plus ML analytics as a combined offering.

How do STX Next and DATAFOREST differ in pricing?

STX Next uses dedicated team, staff augmentation, fixed project pricing with a minimum engagement of $25K. DATAFOREST uses fixed project, dedicated team pricing with a minimum engagement of $15K. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: STX Next or DATAFOREST?

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 DATAFOREST?

STX Next's primary differentiator is: one of europe's largest dedicated python engineering companies, with ml and data practices built on that scale. DATAFOREST's primary differentiator is: combined data engineering (etl) and ml analytics practice with a growing review base. They also differ in team size (201–500 vs 51–200), minimum engagement ($25K vs $15K), and primary industries served (SaaS, Fintech vs E-commerce, SaaS).

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