Best Machine Learning Development Companies in Europe

Imaginary Cloud vs Siili Solutions: full comparison for 2026

Last updated: July 2026

Quick verdict

Imaginary Cloud (4.0/5) edges ahead of Siili Solutions (3.7/5) overall. Imaginary Cloud is the better choice for companies wanting ML capabilities delivered alongside strong product design and UX engineering. 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.

Imaginary Cloud vs Siili Solutions: head-to-head summary

Criterion Imaginary Cloud Siili Solutions
Founded 2010 2005
HQ Lisbon, Portugal Helsinki, Finland
Team size 51–200 501–1000
Rating 4.0 / 5 3.7 / 5
Best for Companies wanting ML capabilities delivered alongside strong product design and UX engineering 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 $20K $30K
Primary tech stack Python, React, Node.js Python, Java, AWS
Industries served SaaS, Fintech, Healthcare, E-commerce Enterprise, Telecommunications, Financial Services, Retail

Imaginary Cloud vs Siili Solutions: overview

Imaginary Cloud

Imaginary Cloud, founded in 2010 and headquartered in Lisbon, Portugal, is an AI-first software development company with roughly 77 employees. The firm combines design, engineering, and AI to deliver custom software and machine learning-enabled products, positioning itself around what it calls seamless digital acceleration, per company website.

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: Imaginary Cloud vs Siili Solutions

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

Tech stack comparison: Imaginary Cloud vs Siili Solutions

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

Pricing comparison: Imaginary Cloud vs Siili Solutions

Criterion Imaginary Cloud Siili Solutions
Minimum engagement $20K $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: Imaginary Cloud vs Siili Solutions

Dimension Imaginary Cloud Siili Solutions
Best company size Startup to mid-market Startup to mid-market
Best industries SaaS, Fintech, Healthcare Enterprise, Telecommunications, Financial Services
Best use cases AI-enabled consumer product design and development, Custom software with embedded ML recommendation features Enterprise digital transformation with an ML component, Nordic-region software development and data engineering
Typical project type Fixed project Dedicated team

Imaginary Cloud vs Siili Solutions: pros and cons

Imaginary Cloud
+ 15 years of operating history since founding in 2010 as a Lisbon-based software studio
+ Strong design and UX engineering complements ML and AI delivery for consumer-facing products
+ EU-headquartered in Portugal, useful for European data-residency requirements
+ Positions AI as a first-class design consideration, not a bolted-on backend feature
- Broader software and design studio heritage means ML depth is narrower than pure-play ML specialists
- Smaller team of around 77 relative to larger regional generalists on this list
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 Imaginary Cloud?

Imaginary Cloud is the right choice for companies wanting ML capabilities delivered alongside strong product design and UX engineering.

Design-led software development studio with AI positioned as a first-class capability, not an afterthought. Minimum engagement starts at $20K. Works best with clients in SaaS, Fintech, Healthcare, E-commerce.

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: Imaginary Cloud vs Siili Solutions

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

Use case fit: Imaginary Cloud vs Siili Solutions

Use case Imaginary Cloud fit Siili Solutions fit Winner
AI-enabled consumer product design and development Strong Limited Imaginary Cloud
Custom software with embedded ML recommendation features Strong Limited Imaginary Cloud
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: Imaginary Cloud vs Siili Solutions

Imaginary Cloud (4.0/5) is the stronger overall choice for most Machine Learning Development projects. Design-led software development studio with AI positioned as a first-class capability, not an afterthought. It is best for companies wanting ML capabilities delivered alongside strong product design and UX engineering.

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

Imaginary Cloud vs Siili Solutions FAQ

Is Imaginary Cloud better than Siili Solutions?

Imaginary Cloud (4.0/5) scores higher overall, but "better" depends on your use case. Imaginary Cloud is better for companies wanting ML capabilities delivered alongside strong product design and UX engineering. Siili Solutions is better for nordic and European enterprises wanting a publicly listed, financially transparent IT consultancy partner.

How do Imaginary Cloud and Siili Solutions differ in pricing?

Imaginary Cloud uses fixed project, dedicated team pricing with a minimum engagement of $20K. 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: Imaginary Cloud 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 Imaginary Cloud and Siili Solutions?

Imaginary Cloud's primary differentiator is: design-led software development studio with ai positioned as a first-class capability, not an afterthought. 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 ($20K vs $30K), and primary industries served (SaaS, Fintech vs Enterprise, Telecommunications).

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