Top Machine Learning Development Services in Europe

Xomnia vs STX Next: full comparison for 2026

Last updated: July 2026

Quick verdict

Xomnia (4.3/5) edges ahead of STX Next (4.0/5) overall. Xomnia is the better choice for dutch and Northwest European enterprises wanting a single consultancy for data strategy, cloud data platforms, and applied or agentic AI delivery.. STX Next is the stronger option for enterprises wanting Python-native ML and AI engineering from a vendor with two decades of Python specialization and certified partnerships across all three major clouds.. The right choice depends on your project size, budget, and required tech stack.

Xomnia vs STX Next: head-to-head summary

Criterion Xomnia STX Next
Founded 2013 2005
HQ Amsterdam, Netherlands Poznań, Poland
Team size 135+ (post-Aurai acquisition, 2025) 330
Rating 4.3 / 5 4.0 / 5
Best for Dutch and Northwest European enterprises wanting a single consultancy for data strategy, cloud data platforms, and applied or agentic AI delivery. Enterprises wanting Python-native ML and AI engineering from a vendor with two decades of Python specialization and certified partnerships across all three major clouds.
Pricing model Consulting retainer, dedicated team Fixed project, dedicated team, staff augmentation
Min. engagement Not published Not published
Primary tech stack Python, Cloud data platforms, Agentic AI frameworks Python, AWS, Snowflake
Industries served Retail/E-commerce, Energy & Utilities, Healthcare, Financial Services, Public Sector Financial Services, Manufacturing, Energy & Utilities, Healthcare, Retail/E-commerce

Xomnia vs STX Next: overview

Xomnia

Xomnia is an Amsterdam, Netherlands data-and-AI consultancy founded in 2013, covering data strategy, cloud data platforms, agentic AI, and EU-hosted cloud solutions. In June 2025 it acquired Aurai specifically to scale toward becoming Northwest Europe's leading data and AI consultancy, growing its collective team past 135 specialists. Its client roster includes Rabobank, Vodafone Ziggo, ProRail, and NS (per company website), spanning retail, mobility, energy, healthcare, and public-sector work.

STX Next

STX Next is a Poznań, Poland software company founded in 2005, describing itself as the largest Python-focused software development company in Europe with 330 employees operating a fully remote model across the US, UK, DACH region, and Poland. It holds simultaneous AWS Advanced Tier, Snowflake, Databricks, Microsoft Azure, and Amazon Bedrock partnerships, and built and open-sourced DeepNext, an autonomous AI developer agent, serving financial services, private equity, manufacturing, oil & gas, and healthcare clients.

Services and capabilities: Xomnia vs STX Next

Capability Xomnia STX Next
ML Development
AI Consulting
Computer Vision
NLP
Generative AI
MLOps
Data Engineering
Staff Augmentation

Tech stack comparison: Xomnia vs STX Next

Framework / platform Xomnia STX Next
Python
AWS N/A
Microsoft Azure N/A
Google Cloud N/A N/A
Kubernetes N/A N/A
PyTorch N/A N/A
LangChain N/A N/A
Databricks N/A

Pricing comparison: Xomnia vs STX Next

Criterion Xomnia STX Next
Minimum engagement Not published Not published
Engagement models Consulting retainer, Dedicated team, Fixed project Fixed project, Dedicated team, Staff augmentation
Rate transparency Not public Not public
Price tier Enterprise / mid-market Enterprise / mid-market

Target audience comparison: Xomnia vs STX Next

Dimension Xomnia STX Next
Best company size Startup to mid-market Mid-market to enterprise
Best industries Retail/E-commerce, Energy & Utilities, Healthcare Financial Services, Manufacturing, Energy & Utilities
Best use cases Enterprise data and AI strategy roadmaps, Cloud data platform builds Python-native ML pipeline development, Multi-cloud MLOps using Databricks, Snowflake, and Bedrock
Typical project type Consulting retainer Fixed project

Xomnia vs STX Next: pros and cons

Xomnia
+ Long, blue-chip client list including Rabobank, Vodafone Ziggo, ProRail, and NS (per company website)
+ 2025 Aurai acquisition materially increased delivery capacity and breadth
+ EU-hosted cloud solutions directly address data-residency concerns for Dutch and EU clients
+ Founded 2013 — over a decade of Netherlands market presence
- Recent acquisition (Aurai, 2025) means integrated team structure and delivery consistency are still settling
- Broad data-and-AI positioning is less narrowly specialized than pure-play ML boutiques on this list
- Pricing and minimum engagement are not published
STX Next
+ Largest Python-focused software company in Europe (per company website), giving deep bench strength for Python-native ML engineering
+ Certified across AWS Advanced Tier, Snowflake, Databricks, Azure, and Amazon Bedrock simultaneously — an unusually broad multi-cloud partner portfolio
+ Open-sourced its own autonomous AI dev agent (DeepNext), demonstrating in-house AI R&D beyond client work
+ 330 employees and a fully remote model across the US, UK, DACH, and Poland gives wide delivery flexibility
- AI and ML is one part of a much broader Python software-development practice, not the company's sole specialization
- 330-person scale means less boutique-style founder involvement than smaller specialists on this list
- Broad industry spread from banking to oil & gas trades vertical depth for breadth

Who should choose Xomnia?

Xomnia is the right choice for dutch and Northwest European enterprises wanting a single consultancy for data strategy, cloud data platforms, and applied or agentic AI delivery..

Acquired Aurai in 2025 specifically to consolidate strategy, platform, and applied-AI capability under one roof as it scales toward regional market leadership.. Minimum engagement starts at Not published. Works best with clients in Retail/E-commerce, Energy & Utilities, Healthcare, Financial Services, Public Sector.

Who should choose STX Next?

STX Next is the right choice for enterprises wanting Python-native ML and AI engineering from a vendor with two decades of Python specialization and certified partnerships across all three major clouds..

Built and open-sourced DeepNext, an autonomous AI developer agent, and holds AWS Advanced Tier, Snowflake, Databricks, Azure, and Amazon Bedrock partnerships simultaneously.. Minimum engagement starts at Not published. Works best with clients in Financial Services, Manufacturing, Energy & Utilities, Healthcare, Retail/E-commerce.

Decision matrix: Xomnia vs STX Next

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Xomnia
You need a large dedicated team for an ongoing programme Xomnia
Your budget is at the lower end Compare: Xomnia (Not published) vs STX Next (Not published)
You need specialist depth in a specific vertical Xomnia
You need staff augmentation or team extension STX Next
You need consulting before committing to a build Xomnia

Use case fit: Xomnia vs STX Next

Use case Xomnia fit STX Next fit Winner
Enterprise data and AI strategy roadmaps Strong Limited Xomnia
Cloud data platform builds Strong Strong Both equally
Python-native ML pipeline development Limited Strong STX Next
Multi-cloud MLOps using Databricks, Snowflake, and Bedrock Limited Strong STX Next
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: Xomnia vs STX Next

Xomnia (4.3/5) is the stronger overall choice for most Machine Learning Development projects. Acquired Aurai in 2025 specifically to consolidate strategy, platform, and applied-AI capability under one roof as it scales toward regional market leadership.. It is best for dutch and Northwest European enterprises wanting a single consultancy for data strategy, cloud data platforms, and applied or agentic AI delivery..

STX Next (4.0/5) is the better choice when enterprises wanting Python-native ML and AI engineering from a vendor with two decades of Python specialization and certified partnerships across all three major clouds.. If your situation matches those criteria, STX Next is a competitive option.

Related comparisons

Xomnia vs STX Next FAQ

Is Xomnia better than STX Next?

Xomnia (4.3/5) scores higher overall, but "better" depends on your use case. Xomnia is better for dutch and Northwest European enterprises wanting a single consultancy for data strategy, cloud data platforms, and applied or agentic AI delivery.. STX Next is better for enterprises wanting Python-native ML and AI engineering from a vendor with two decades of Python specialization and certified partnerships across all three major clouds..

How do Xomnia and STX Next differ in pricing?

Xomnia uses consulting retainer, dedicated team pricing with a minimum engagement of Not published. STX Next uses fixed project, dedicated team, staff augmentation pricing with a minimum engagement of Not published. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Xomnia or STX Next?

Xomnia 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 Xomnia and STX Next?

Xomnia's primary differentiator is: acquired aurai in 2025 specifically to consolidate strategy, platform, and applied-ai capability under one roof as it scales toward regional market leadership.. STX Next's primary differentiator is: built and open-sourced deepnext, an autonomous ai developer agent, and holds aws advanced tier, snowflake, databricks, azure, and amazon bedrock partnerships simultaneously.. They also differ in team size (135+ (post-Aurai acquisition, 2025) vs 330), minimum engagement (Not published vs Not published), and primary industries served (Retail/E-commerce, Energy & Utilities vs Financial Services, Manufacturing).

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