Best Machine Learning Development Companies in Europe

DataRoot Labs vs STX Next: full comparison for 2026

Last updated: July 2026

Quick verdict

DataRoot Labs (4.5/5) edges ahead of STX Next (4.3/5) overall. DataRoot Labs is the better choice for startups and SMBs needing a lean, senior custom ML team at competitive Eastern European rates. STX Next is the stronger option for companies needing ML development paired with deep, large-scale Python software engineering capacity. The right choice depends on your project size, budget, and required tech stack.

DataRoot Labs vs STX Next: head-to-head summary

Criterion DataRoot Labs STX Next
Founded 2016 2005
HQ Kyiv, Ukraine Poznan, Poland
Team size 11–50 201–500
Rating 4.5 / 5 4.3 / 5
Best for Startups and SMBs needing a lean, senior custom ML team at competitive Eastern European rates Companies needing ML development paired with deep, large-scale Python software engineering capacity
Pricing model Fixed project, dedicated team Dedicated team, staff augmentation, fixed project
Min. engagement $15K $25K
Primary tech stack Python, PyTorch, TensorFlow Python, Django, FastAPI
Industries served Healthcare, Retail, Logistics, E-commerce SaaS, Fintech, Healthcare, E-commerce, Enterprise

DataRoot Labs vs STX Next: overview

DataRoot Labs

DataRoot Labs is an AI and machine learning development company founded in 2016 in Kyiv, Ukraine by Ivan Didur, Max Frolov, and Yuliya Sychikova. With a compact team of roughly 26 specialists, the studio builds custom ML solutions spanning computer vision, predictive analytics, and NLP for clients in healthcare, retail, and logistics. As an unfunded, founder-led company, it operates with lean overhead and close founder involvement on client projects.

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.

Services and capabilities: DataRoot Labs vs STX Next

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

Tech stack comparison: DataRoot Labs vs STX Next

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

Pricing comparison: DataRoot Labs vs STX Next

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

Target audience comparison: DataRoot Labs vs STX Next

Dimension DataRoot Labs STX Next
Best company size Startup to mid-market Startup to mid-market
Best industries Healthcare, Retail, Logistics SaaS, Fintech, Healthcare
Best use cases Computer vision for retail shelf and inventory monitoring, Predictive analytics for healthcare patient outcomes ML feature development inside a larger Python software platform, Scaling an engineering team with dedicated Python and ML staff
Typical project type Fixed project Dedicated team

DataRoot Labs vs STX Next: pros and cons

DataRoot Labs
+ Nearly a decade of focused delivery experience since founding in 2016
+ Founder-led team keeps senior expertise directly involved in client work
+ Competitive Eastern European pricing relative to Western European or US firms
+ Specific vertical depth in healthcare and retail computer vision use cases
- Ukraine-based delivery carries geopolitical and operational-continuity risk clients should factor into vendor due diligence
- Small team (around 26) limits capacity for large concurrent programmes
- Remains unfunded and bootstrapped, which may limit scaling speed versus VC-backed peers
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

Who should choose DataRoot Labs?

DataRoot Labs is the right choice for startups and SMBs needing a lean, senior custom ML team at competitive Eastern European rates.

Founder-led, unfunded boutique with nearly a decade of focused custom ML delivery experience. Minimum engagement starts at $15K. Works best with clients in Healthcare, Retail, Logistics, E-commerce.

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.

Decision matrix: DataRoot Labs vs STX Next

Your situation Recommended choice
You need full-ownership delivery on a defined project scope DataRoot Labs
You need a large dedicated team for an ongoing programme DataRoot Labs
Your budget is at the lower end DataRoot Labs
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: DataRoot Labs vs STX Next

Use case DataRoot Labs fit STX Next fit Winner
Computer vision for retail shelf and inventory monitoring Strong Limited DataRoot Labs
Predictive analytics for healthcare patient outcomes Strong Limited DataRoot Labs
ML feature development inside a larger Python software platform Strong Strong Both equally
Scaling an engineering team with dedicated Python and ML staff Limited Strong STX Next
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Strong STX Next

Verdict: DataRoot Labs vs STX Next

DataRoot Labs (4.5/5) is the stronger overall choice for most Machine Learning Development projects. Founder-led, unfunded boutique with nearly a decade of focused custom ML delivery experience. It is best for startups and SMBs needing a lean, senior custom ML team at competitive Eastern European rates.

STX Next (4.3/5) is the better choice when companies needing ML development paired with deep, large-scale Python software engineering capacity. If your situation matches those criteria, STX Next is a competitive option.

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DataRoot Labs vs STX Next FAQ

Is DataRoot Labs better than STX Next?

DataRoot Labs (4.5/5) scores higher overall, but "better" depends on your use case. DataRoot Labs is better for startups and SMBs needing a lean, senior custom ML team at competitive Eastern European rates. STX Next is better for companies needing ML development paired with deep, large-scale Python software engineering capacity.

How do DataRoot Labs and STX Next differ in pricing?

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

Which is better for enterprise: DataRoot Labs or STX Next?

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 DataRoot Labs and STX Next?

DataRoot Labs's primary differentiator is: founder-led, unfunded boutique with nearly a decade of focused custom ml delivery experience. STX Next's primary differentiator is: one of europe's largest dedicated python engineering companies, with ml and data practices built on that scale. They also differ in team size (11–50 vs 201–500), minimum engagement ($15K vs $25K), and primary industries served (Healthcare, Retail vs SaaS, Fintech).

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