Top Machine Learning Development Services in Europe

Addepto vs Sigma Software: full comparison for 2026

Last updated: July 2026

Quick verdict

Addepto (4.4/5) edges ahead of Sigma Software (3.7/5) overall. Addepto is the better choice for mid-market to enterprise buyers in aviation, logistics, or finance that already have a proof-of-concept and need it hardened into a production MLOps pipeline.. 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.

Addepto vs Sigma Software: head-to-head summary

Criterion Addepto Sigma Software
Founded 2017 2002
HQ Warsaw, Poland Stockholm, Sweden (legal HQ, Sigma Sweden Software AB; founding engineering base in Kharkiv, Ukraine)
Team size 50–249 2,100+
Rating 4.4 / 5 3.7 / 5
Best for Mid-market to enterprise buyers in aviation, logistics, or finance that already have a proof-of-concept and need it hardened into a production MLOps pipeline. 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, Time & Materials Dedicated team, staff augmentation, fixed project
Min. engagement $10,000+ Not published (enterprise-scale)
Primary tech stack Python, MLOps pipelines, AWS Python, Cloud platforms, Data engineering pipelines
Industries served Aviation, Manufacturing, Automotive, Financial Services, Retail/E-commerce, Logistics Cross-industry enterprise IT

Addepto vs Sigma Software: overview

Addepto

Addepto is a Warsaw, Poland AI consultancy founded in 2017 that explicitly positions its value around production-grade delivery — moving clients from proof-of-concept to production — rather than research exploration. It covers AI consulting, generative AI development, data engineering, MLOps, document processing, and computer vision, serving aviation, manufacturing, automotive, finance, retail, healthcare, and logistics clients. Addepto is a GoodFirms top-rated firm for Big Data and Business Intelligence services, with a 50–249 employee band per Clutch.

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: Addepto vs Sigma Software

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

Tech stack comparison: Addepto vs Sigma Software

Framework / platform Addepto Sigma Software
Python
AWS N/A
Microsoft Azure N/A N/A
Google Cloud N/A
Kubernetes N/A N/A
PyTorch N/A N/A
LangChain N/A N/A
Databricks N/A N/A

Pricing comparison: Addepto vs Sigma Software

Criterion Addepto Sigma Software
Minimum engagement $10,000+ Not published (enterprise-scale)
Engagement models Fixed project, Time & Materials, Dedicated team Dedicated team, Staff augmentation, Fixed project
Rate transparency Minimum disclosed Not public
Price tier Accessible Enterprise / mid-market

Target audience comparison: Addepto vs Sigma Software

Dimension Addepto Sigma Software
Best company size Startup to mid-market Enterprise
Best industries Aviation, Manufacturing, Automotive Cross-industry enterprise IT
Best use cases Computer vision for document processing, MLOps pipeline hardening for existing proof-of-concepts Enterprise IT consultancy engagements with embedded AI/ML components, Large-scale staff augmentation for AI-adjacent development
Typical project type Fixed project Dedicated team

Addepto vs Sigma Software: pros and cons

Addepto
+ Broad industry coverage from aviation to legal shows delivery flexibility beyond a single vertical
+ Explicit MLOps and production focus addresses the common 'stuck in proof-of-concept' failure mode
+ $10K entry point is accessible for a mid-market pilot engagement
+ GoodFirms top-rated recognition for Big Data and Business Intelligence services
- Broad industry spread can mean less depth in any single regulated vertical than a specialist boutique
- Exact team size within the 50–249 Clutch band is not broken out by function
- Public case studies are largely testimonial-based rather than published with hard metrics
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 Addepto?

Addepto is the right choice for mid-market to enterprise buyers in aviation, logistics, or finance that already have a proof-of-concept and need it hardened into a production MLOps pipeline..

Explicit 'proof-of-concept to production' positioning addresses the common failure mode where enterprise ML pilots never reach deployment.. Minimum engagement starts at $10,000+. Works best with clients in Aviation, Manufacturing, Automotive, Financial Services, Retail/E-commerce, Logistics.

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: Addepto vs Sigma Software

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Addepto
You need a large dedicated team for an ongoing programme Addepto
Your budget is at the lower end Compare: Addepto ($10,000+) vs Sigma Software (Not published (enterprise-scale))
You need specialist depth in a specific vertical Addepto
You need staff augmentation or team extension Sigma Software
You need consulting before committing to a build Addepto

Use case fit: Addepto vs Sigma Software

Use case Addepto fit Sigma Software fit Winner
Computer vision for document processing Strong Limited Addepto
MLOps pipeline hardening for existing proof-of-concepts Strong Limited Addepto
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: Addepto vs Sigma Software

Addepto (4.4/5) is the stronger overall choice for most Machine Learning Development projects. Explicit 'proof-of-concept to production' positioning addresses the common failure mode where enterprise ML pilots never reach deployment.. It is best for mid-market to enterprise buyers in aviation, logistics, or finance that already have a proof-of-concept and need it hardened into a production MLOps pipeline..

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

Addepto vs Sigma Software FAQ

Is Addepto better than Sigma Software?

Addepto (4.4/5) scores higher overall, but "better" depends on your use case. Addepto is better for mid-market to enterprise buyers in aviation, logistics, or finance that already have a proof-of-concept and need it hardened into a production MLOps pipeline.. 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 Addepto and Sigma Software differ in pricing?

Addepto uses fixed project, time & materials pricing with a minimum engagement of $10,000+. 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: Addepto or Sigma Software?

Addepto 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 Addepto and Sigma Software?

Addepto's primary differentiator is: explicit 'proof-of-concept to production' positioning addresses the common failure mode where enterprise ml pilots never reach deployment.. 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 (50–249 vs 2,100+), minimum engagement ($10,000+ vs Not published (enterprise-scale)), and primary industries served (Aviation, Manufacturing vs Cross-industry enterprise IT).

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