Plain Concepts vs Siili Solutions: full comparison for 2026
Last updated: July 2026
Quick verdict
Plain Concepts (3.9/5) edges ahead of Siili Solutions (3.7/5) overall. Plain Concepts is the better choice for enterprises standardized on Microsoft Azure wanting a certified Microsoft AI Partner for ML delivery. 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.
Plain Concepts vs Siili Solutions: head-to-head summary
| Criterion | Plain Concepts | Siili Solutions |
|---|---|---|
| Founded | 2006 | 2005 |
| HQ | Madrid, Spain | Helsinki, Finland |
| Team size | 201–500 | 501–1000 |
| Rating | 3.9 / 5 | 3.7 / 5 |
| Best for | Enterprises standardized on Microsoft Azure wanting a certified Microsoft AI Partner for ML delivery | Nordic and European enterprises wanting a publicly listed, financially transparent IT consultancy partner |
| Pricing model | Dedicated team, fixed project, retainer | Dedicated team, retainer, fixed project |
| Min. engagement | $35K | $30K |
| Primary tech stack | Python, Azure ML, Azure OpenAI Service | Python, Java, AWS |
| Industries served | Enterprise, Retail, Healthcare, Financial Services | Enterprise, Telecommunications, Financial Services, Retail |
Plain Concepts vs Siili Solutions: overview
Plain Concepts
Plain Concepts, founded in 2006 and headquartered in Madrid, Spain, is a 450-plus person technology consultancy with offices across the USA, UK, Spain, Germany, the Netherlands, and Romania. As a Microsoft Gold Partner, Microsoft AI Partner, and 2016 Microsoft Partner of the Year, Plain Concepts brings deep Azure-native AI and machine learning delivery experience alongside mixed reality and IoT engineering.
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: Plain Concepts vs Siili Solutions
| Capability | Plain Concepts | Siili Solutions |
|---|---|---|
| ML model development | ✓ | ✓ |
| Computer vision | ✗ | ✗ |
| NLP | ✗ | ✗ |
| Generative AI / LLM integration | ✗ | ✗ |
| MLOps | ✓ | ✗ |
| AI strategy consulting | ✓ | ✓ |
| Staff augmentation | ✗ | ✗ |
Tech stack comparison: Plain Concepts vs Siili Solutions
| Framework / platform | Plain Concepts | Siili Solutions |
|---|---|---|
| Python | ✓ | ✓ |
| TensorFlow | N/A | N/A |
| PyTorch | N/A | N/A |
| AWS | N/A | ✓ |
| Azure | ✓ | ✓ |
| Kubernetes | ✓ | N/A |
Pricing comparison: Plain Concepts vs Siili Solutions
| Criterion | Plain Concepts | Siili Solutions |
|---|---|---|
| Minimum engagement | $35K | $30K |
| Engagement models | Dedicated team, Fixed project, Retainer | Dedicated team, Retainer, Fixed project |
| Rate transparency | Minimum disclosed | Minimum disclosed |
| Price tier | Accessible | Accessible |
Target audience comparison: Plain Concepts vs Siili Solutions
| Dimension | Plain Concepts | Siili Solutions |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Enterprise, Retail, Healthcare | Enterprise, Telecommunications, Financial Services |
| Best use cases | Azure-native ML model deployment for an enterprise client, Mixed reality plus AI product development | Enterprise digital transformation with an ML component, Nordic-region software development and data engineering |
| Typical project type | Dedicated team | Dedicated team |
Plain Concepts vs Siili Solutions: pros and cons
| Plain Concepts | |
|---|---|
| + | Two decades of operating history since founding in 2006, with Microsoft Gold and AI Partner status |
| + | Multi-country office footprint across Spain, the UK, Germany, the Netherlands, Romania, and the US for broad coverage |
| + | Deep Azure-native ML and AI delivery credentials, useful for Microsoft-standardized enterprises |
| + | Recognized with Microsoft Partner of the Year award in 2016 |
| - | Azure-centric specialization may be less ideal for clients standardized on AWS or GCP |
| - | Broader technology consultancy scope, including mixed reality and IoT, means ML is one of several core practices |
| - | Larger enterprise-oriented engagement sizes, less accessible for very small startup budgets |
| 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 Plain Concepts?
Plain Concepts is the right choice for enterprises standardized on Microsoft Azure wanting a certified Microsoft AI Partner for ML delivery.
Deep Azure-native AI and ML delivery credentials as a Microsoft Gold and AI Partner, plus mixed reality expertise. Minimum engagement starts at $35K. Works best with clients in Enterprise, Retail, Healthcare, Financial Services.
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: Plain Concepts vs Siili Solutions
| Your situation | Recommended choice |
|---|---|
| You need full-ownership delivery on a defined project scope | Plain Concepts |
| You need a large dedicated team for an ongoing programme | Plain Concepts |
| Your budget is at the lower end | Siili Solutions |
| You need specialist depth in a specific vertical | Plain Concepts |
| You need staff augmentation or team extension | Neither; consider alternatives that offer staff aug |
| You need consulting before committing to a build | Plain Concepts |
Use case fit: Plain Concepts vs Siili Solutions
| Use case | Plain Concepts fit | Siili Solutions fit | Winner |
|---|---|---|---|
| Azure-native ML model deployment for an enterprise client | Strong | Limited | Plain Concepts |
| Mixed reality plus AI product development | Strong | Limited | Plain Concepts |
| Enterprise digital transformation with an ML component | Strong | Strong | Both equally |
| 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: Plain Concepts vs Siili Solutions
Plain Concepts (3.9/5) is the stronger overall choice for most Machine Learning Development projects. Deep Azure-native AI and ML delivery credentials as a Microsoft Gold and AI Partner, plus mixed reality expertise. It is best for enterprises standardized on Microsoft Azure wanting a certified Microsoft AI Partner for ML delivery.
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
Plain Concepts vs Siili Solutions FAQ
Is Plain Concepts better than Siili Solutions?
Plain Concepts (3.9/5) scores higher overall, but "better" depends on your use case. Plain Concepts is better for enterprises standardized on Microsoft Azure wanting a certified Microsoft AI Partner for ML delivery. Siili Solutions is better for nordic and European enterprises wanting a publicly listed, financially transparent IT consultancy partner.
How do Plain Concepts and Siili Solutions differ in pricing?
Plain Concepts uses dedicated team, fixed project, retainer pricing with a minimum engagement of $35K. 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: Plain Concepts 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 Plain Concepts and Siili Solutions?
Plain Concepts's primary differentiator is: deep azure-native ai and ml delivery credentials as a microsoft gold and ai partner, plus mixed reality expertise. 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 (201–500 vs 501–1000), minimum engagement ($35K vs $30K), and primary industries served (Enterprise, Retail vs Enterprise, Telecommunications).
Last reviewed: July 2026. Verify all details directly with each company before making a decision.