Best Machine Learning Development Companies in Europe

Tooploox vs Siili Solutions: full comparison for 2026

Last updated: July 2026

Quick verdict

Tooploox (4.3/5) edges ahead of Siili Solutions (3.7/5) overall. Tooploox is the better choice for companies with genuinely hard ML and AI research-engineering problems, not standard integration work. Siili Solutions is the stronger option for nordic and European enterprises wanting a publicly listed, financially transparent IT consultancy partner. The right choice depends on your project size, budget, and required tech stack.

Tooploox vs Siili Solutions: head-to-head summary

Criterion Tooploox Siili Solutions
Founded 2012 2005
HQ Wroclaw, Poland Helsinki, Finland
Team size 51–200 501–1000
Rating 4.3 / 5 3.7 / 5
Best for Companies with genuinely hard ML and AI research-engineering problems, not standard integration work Nordic and European enterprises wanting a publicly listed, financially transparent IT consultancy partner
Pricing model Fixed project, dedicated team Dedicated team, retainer, fixed project
Min. engagement $25K $30K
Primary tech stack Python, PyTorch, TensorFlow Python, Java, AWS
Industries served Healthcare, Enterprise, Media, SaaS Enterprise, Telecommunications, Financial Services, Retail

Tooploox vs Siili Solutions: overview

Tooploox

Tooploox, founded in 2012 and based in Wroclaw and Warsaw, Poland, is an engineering company that specifically takes on projects where AI and machine learning represent the core technical challenge, rather than treating ML as a secondary feature. Its portfolio includes a digital histopathology platform and a neural network technique (MagMax) recognized at ECCV 2024. Tooploox was named Top AI Company in Poland and Top Machine Learning Company in Poland for 2025 by Clutch.

Siili Solutions

Siili Solutions Oyj, founded in 2005 and headquartered in Helsinki, Finland, is a publicly listed IT consultancy on Nasdaq Helsinki (ticker SIILI) with 500 to over 1,000 employees across 19 locations. Siili offers software development, digital transformation, and machine learning services, and expanded its AI and digital product capabilities in part through its 2020 acquisition of Budapest-based Supercharge, disclosed here as an ownership change affecting Siili's broader group structure.

Services and capabilities: Tooploox vs Siili Solutions

Capability Tooploox Siili Solutions
ML model development
Computer vision
NLP
Generative AI / LLM integration
MLOps
AI strategy consulting
Staff augmentation

Tech stack comparison: Tooploox vs Siili Solutions

Framework / platform Tooploox Siili Solutions
Python
TensorFlow N/A
PyTorch N/A
AWS
Azure N/A
Kubernetes N/A

Pricing comparison: Tooploox vs Siili Solutions

Criterion Tooploox Siili Solutions
Minimum engagement $25K $30K
Engagement models Fixed project, Dedicated team Dedicated team, Retainer, Fixed project
Rate transparency Minimum disclosed Minimum disclosed
Price tier Accessible Accessible

Target audience comparison: Tooploox vs Siili Solutions

Dimension Tooploox Siili Solutions
Best company size Startup to mid-market Startup to mid-market
Best industries Healthcare, Enterprise, Media Enterprise, Telecommunications, Financial Services
Best use cases Digital histopathology and medical imaging analysis, Novel neural network architecture research and development Enterprise digital transformation with an ML component, Nordic-region software development and data engineering
Typical project type Fixed project Dedicated team

Tooploox vs Siili Solutions: pros and cons

Tooploox
+ Recognized by Clutch as Top AI Company and Top Machine Learning Company in Poland for 2025
+ Academic-grade research credibility, including a technique presented at ECCV 2024
+ Over a decade of operating history since founding in 2012, focused specifically on hard ML problems
+ Domain depth in digital histopathology and healthcare computer vision
- Research-oriented positioning may mean higher cost for simpler, more standard ML integration work
- Mid-size team (51–200) shared across research and delivery work
Siili Solutions
+ Publicly listed on Nasdaq Helsinki, providing financial transparency and stability signals
+ Two decades of operating history since founding in 2005, with a large, established Nordic footprint
+ 19 office locations support broad European coverage and delivery flexibility
+ Expanded AI and digital product capability via its 2020 acquisition of Supercharge in Budapest
- AI and ML is one practice within a much broader generalist IT consultancy portfolio
- 2020 acquisition of Supercharge represents a group ownership change worth understanding before engaging that subsidiary specifically
- Larger public-company structure may mean less flexibility than privately held boutiques

Who should choose Tooploox?

Tooploox is the right choice for companies with genuinely hard ML and AI research-engineering problems, not standard integration work.

Research-grade ML engineering with peer-reviewed academic recognition at ECCV 2024, alongside client delivery. Minimum engagement starts at $25K. Works best with clients in Healthcare, Enterprise, Media, SaaS.

Who should choose Siili Solutions?

Siili Solutions is the right choice for nordic and European enterprises wanting a publicly listed, financially transparent IT consultancy partner.

Publicly traded on Nasdaq Helsinki, offering financial transparency uncommon among privately held ML firms. Minimum engagement starts at $30K. Works best with clients in Enterprise, Telecommunications, Financial Services, Retail.

Decision matrix: Tooploox vs Siili Solutions

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Tooploox
You need a large dedicated team for an ongoing programme Tooploox
Your budget is at the lower end Tooploox
You need specialist depth in a specific vertical Tooploox
You need staff augmentation or team extension Neither; consider alternatives that offer staff aug
You need consulting before committing to a build Tooploox

Use case fit: Tooploox vs Siili Solutions

Use case Tooploox fit Siili Solutions fit Winner
Digital histopathology and medical imaging analysis Strong Strong Both equally
Novel neural network architecture research and development Strong Limited Tooploox
Enterprise digital transformation with an ML component Limited Strong Siili Solutions
Nordic-region software development and data engineering Limited Strong Siili Solutions
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: Tooploox vs Siili Solutions

Tooploox (4.3/5) is the stronger overall choice for most Machine Learning Development projects. Research-grade ML engineering with peer-reviewed academic recognition at ECCV 2024, alongside client delivery. It is best for companies with genuinely hard ML and AI research-engineering problems, not standard integration work.

Siili Solutions (3.7/5) is the better choice when nordic and European enterprises wanting a publicly listed, financially transparent IT consultancy partner. If your situation matches those criteria, Siili Solutions is a competitive option.

Related comparisons

Tooploox vs Siili Solutions FAQ

Is Tooploox better than Siili Solutions?

Tooploox (4.3/5) scores higher overall, but "better" depends on your use case. Tooploox is better for companies with genuinely hard ML and AI research-engineering problems, not standard integration work. Siili Solutions is better for nordic and European enterprises wanting a publicly listed, financially transparent IT consultancy partner.

How do Tooploox and Siili Solutions differ in pricing?

Tooploox uses fixed project, dedicated team pricing with a minimum engagement of $25K. Siili Solutions uses dedicated team, retainer, fixed project pricing with a minimum engagement of $30K. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Tooploox or Siili Solutions?

Siili Solutions 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 Tooploox and Siili Solutions?

Tooploox's primary differentiator is: research-grade ml engineering with peer-reviewed academic recognition at eccv 2024, alongside client delivery. Siili Solutions's primary differentiator is: publicly traded on nasdaq helsinki, offering financial transparency uncommon among privately held ml firms. They also differ in team size (51–200 vs 501–1000), minimum engagement ($25K vs $30K), and primary industries served (Healthcare, Enterprise vs Enterprise, Telecommunications).

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