Top Machine Learning Development Services in Europe

Deviniti vs Sigma Software: full comparison for 2026

Last updated: July 2026

Quick verdict

Deviniti (4.0/5) edges ahead of Sigma Software (3.7/5) overall. Deviniti is the better choice for enterprises in regulated or complex sectors wanting generative AI, RAG, and LLM work delivered by a vendor with deep enterprise-software (Atlassian ecosystem) roots.. Sigma Software is the stronger option for large enterprises wanting a Swedish-incorporated, EU-contractable IT consultancy at significant scale, aware that its founding technical culture originates from Ukraine.. The right choice depends on your project size, budget, and required tech stack.

Deviniti vs Sigma Software: head-to-head summary

Criterion Deviniti Sigma Software
Founded 2004 2002
HQ Wrocław, Poland Stockholm, Sweden (legal HQ, Sigma Sweden Software AB; founding engineering base in Kharkiv, Ukraine)
Team size 300+ 2,100+
Rating 4.0 / 5 3.7 / 5
Best for Enterprises in regulated or complex sectors wanting generative AI, RAG, and LLM work delivered by a vendor with deep enterprise-software (Atlassian ecosystem) roots. Large enterprises wanting a Swedish-incorporated, EU-contractable IT consultancy at significant scale, aware that its founding technical culture originates from Ukraine.
Pricing model Fixed project, staff augmentation Dedicated team, staff augmentation, fixed project
Min. engagement Not published Not published (enterprise-scale)
Primary tech stack Python, LLM fine-tuning tooling, RAG architectures Python, Cloud platforms, Data engineering pipelines
Industries served Financial Institutions, Regulated enterprise IT Cross-industry enterprise IT

Deviniti vs Sigma Software: overview

Deviniti

Deviniti is a Wrocław, Poland software house founded in 2004, with 300+ specialists serving over 15,000 clients across 38 countries (per company website). It holds 50+ Atlassian-certified professionals and was a 2024–2025 Atlassian Partner of the Year finalist for Emerging Markets, and has more recently built out generative AI, custom AI agent, self-hosted LLM, LLM fine-tuning, and RAG architecture capabilities, including contributions to the open-source Bielik.AI project.

Sigma Software

Sigma Software was founded in 2002 by five friends from Kharkiv, Ukraine, and is legally headquartered in Stockholm, Sweden under the entity Sigma Sweden Software AB — 60% owned by the Swedish Sigma Group since it acquired a controlling stake in the Kharkiv-based predecessor company in 2006. It now has 2,100+ professionals across 40 offices in 19 countries, delivering software engineering, data, and AI-adjacent services to enterprise clients.

Services and capabilities: Deviniti vs Sigma Software

Capability Deviniti Sigma Software
ML Development
AI Consulting
Computer Vision
NLP
Generative AI
MLOps
Data Engineering
Staff Augmentation

Tech stack comparison: Deviniti vs Sigma Software

Framework / platform Deviniti Sigma Software
Python
AWS N/A N/A
Microsoft Azure N/A 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 N/A

Pricing comparison: Deviniti vs Sigma Software

Criterion Deviniti Sigma Software
Minimum engagement Not published Not published (enterprise-scale)
Engagement models Fixed project, Staff augmentation, Dedicated team Dedicated team, Staff augmentation, Fixed project
Rate transparency Not public Not public
Price tier Enterprise / mid-market Enterprise / mid-market

Target audience comparison: Deviniti vs Sigma Software

Dimension Deviniti Sigma Software
Best company size Mid-market to enterprise Enterprise
Best industries Financial Institutions, Regulated enterprise IT Cross-industry enterprise IT
Best use cases Self-hosted LLM and RAG system development, AI chatbot and knowledge-base solutions for enterprises Enterprise IT consultancy engagements with embedded AI/ML components, Large-scale staff augmentation for AI-adjacent development
Typical project type Fixed project Dedicated team

Deviniti vs Sigma Software: pros and cons

Deviniti
+ 300+ specialists and 15,000+ clients across 38 countries show significant delivery scale (per company website)
+ Contributions to the open-source Bielik.AI project demonstrate genuine LLM/NLP engineering, not just integration work
+ Deep Atlassian-ecosystem expertise is a strong complementary asset for enterprise clients running Jira/Confluence-based workflows
+ Founded 2004 — two decades of enterprise software delivery experience
- Generative AI and RAG practice is newer than its core Atlassian and enterprise-software business, so ML-specific track record is shorter than the overall company history suggests
- 300+ specialists are split across Atlassian consulting and AI/software delivery, so dedicated AI headcount is unclear
- 15,000+ client claim is per company marketing and not independently broken down by service line
Sigma Software
+ 2,100+ professionals across 40 offices in 19 countries give exceptional scale and geographic reach
+ Majority Swedish ownership (Sigma AB, 60%) since 2006 provides a stable, publicly documented corporate structure
+ Founded 2002 by five Kharkiv co-founders — over two decades of continuous operation
+ 40-office footprint across 19 countries supports very large, multi-region enterprise programs
- Legal HQ (Stockholm) is a corporate and ownership structure rather than the company's historical engineering center of gravity (Kharkiv, Ukraine) — buyers should understand this distinction
- 2,100+ person, 19-country scale means AI/ML is one capability among many broad IT consultancy services, not a named specialist practice
- Public information on a dedicated AI/ML practice or named AI case studies is less detailed than several boutique competitors on this list

Who should choose Deviniti?

Deviniti is the right choice for enterprises in regulated or complex sectors wanting generative AI, RAG, and LLM work delivered by a vendor with deep enterprise-software (Atlassian ecosystem) roots..

50+ Atlassian-certified professionals and Atlassian Partner of the Year finalist status give it unusually strong enterprise-IT integration credibility alongside its generative AI practice and Bielik.AI open-source contributions.. Minimum engagement starts at Not published. Works best with clients in Financial Institutions, Regulated enterprise IT.

Who should choose Sigma Software?

Sigma Software is the right choice for large enterprises wanting a Swedish-incorporated, EU-contractable IT consultancy at significant scale, aware that its founding technical culture originates from Ukraine..

60% owned by the Swedish Sigma Group since 2006, giving Sigma Software a Swedish corporate parent and legal entity while its founding engineering culture and historical delivery base trace to Kharkiv, Ukraine.. Minimum engagement starts at Not published (enterprise-scale). Works best with clients in Cross-industry enterprise IT.

Decision matrix: Deviniti vs Sigma Software

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

Use case fit: Deviniti vs Sigma Software

Use case Deviniti fit Sigma Software fit Winner
Self-hosted LLM and RAG system development Strong Limited Deviniti
AI chatbot and knowledge-base solutions for enterprises Strong Strong Both equally
Enterprise IT consultancy engagements with embedded AI/ML components Strong Strong Both equally
Large-scale staff augmentation for AI-adjacent development Limited Strong Sigma Software
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Strong Sigma Software

Verdict: Deviniti vs Sigma Software

Deviniti (4.0/5) is the stronger overall choice for most Machine Learning Development projects. 50+ Atlassian-certified professionals and Atlassian Partner of the Year finalist status give it unusually strong enterprise-IT integration credibility alongside its generative AI practice and Bielik.AI open-source contributions.. It is best for enterprises in regulated or complex sectors wanting generative AI, RAG, and LLM work delivered by a vendor with deep enterprise-software (Atlassian ecosystem) roots..

Sigma Software (3.7/5) is the better choice when large enterprises wanting a Swedish-incorporated, EU-contractable IT consultancy at significant scale, aware that its founding technical culture originates from Ukraine.. If your situation matches those criteria, Sigma Software is a competitive option.

Related comparisons

Deviniti vs Sigma Software FAQ

Is Deviniti better than Sigma Software?

Deviniti (4.0/5) scores higher overall, but "better" depends on your use case. Deviniti is better for enterprises in regulated or complex sectors wanting generative AI, RAG, and LLM work delivered by a vendor with deep enterprise-software (Atlassian ecosystem) roots.. Sigma Software is better for large enterprises wanting a Swedish-incorporated, EU-contractable IT consultancy at significant scale, aware that its founding technical culture originates from Ukraine..

How do Deviniti and Sigma Software differ in pricing?

Deviniti uses fixed project, staff augmentation pricing with a minimum engagement of Not published. Sigma Software uses dedicated team, staff augmentation, fixed project pricing with a minimum engagement of Not published (enterprise-scale). Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Deviniti or Sigma Software?

Sigma Software 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 Deviniti and Sigma Software?

Deviniti's primary differentiator is: 50+ atlassian-certified professionals and atlassian partner of the year finalist status give it unusually strong enterprise-it integration credibility alongside its generative ai practice and bielik.ai open-source contributions.. Sigma Software's primary differentiator is: 60% owned by the swedish sigma group since 2006, giving sigma software a swedish corporate parent and legal entity while its founding engineering culture and historical delivery base trace to kharkiv, ukraine.. They also differ in team size (300+ vs 2,100+), minimum engagement (Not published vs Not published (enterprise-scale)), and primary industries served (Financial Institutions, Regulated enterprise IT vs Cross-industry enterprise IT).

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