Top Machine Learning Development Services in Europe

Tensorway vs Sigma Software: full comparison for 2026

Last updated: July 2026

Quick verdict

Tensorway (4.6/5) edges ahead of Sigma Software (3.7/5) overall. Tensorway is the better choice for mid-market fintech, energy, and supply-chain companies that want a boutique team building production forecasting models without enterprise-consultancy overhead.. 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.

Tensorway vs Sigma Software: head-to-head summary

Criterion Tensorway Sigma Software
Founded 2019 2002
HQ Alicante, Spain (secondary office in San Mateo, California) Stockholm, Sweden (legal HQ, Sigma Sweden Software AB; founding engineering base in Kharkiv, Ukraine)
Team size 50–249 2,100+
Rating 4.6 / 5 3.7 / 5
Best for Mid-market fintech, energy, and supply-chain companies that want a boutique team building production forecasting models without enterprise-consultancy overhead. 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, PyTorch, TensorFlow Python, Cloud platforms, Data engineering pipelines
Industries served Fintech, Energy & Utilities, Logistics, Private Equity Cross-industry enterprise IT

Tensorway vs Sigma Software: overview

Tensorway

Tensorway is an AI development company founded in 2019 in Alicante, Spain, that emerged from Anadea's applied R&D unit as interest in AI grew inside the older software firm. It builds custom forecasting models and ML-powered products for clients in fintech, supply chain, and energy, alongside computer vision, NLP, and generative AI work. The company maintains a secondary office in San Mateo, California, giving it delivery reach into US time zones alongside its Spanish legal HQ. Notable clients include StreetEasy, Admirals, and MoneyZen (per company website).

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: Tensorway vs Sigma Software

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

Tech stack comparison: Tensorway vs Sigma Software

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

Pricing comparison: Tensorway vs Sigma Software

Criterion Tensorway 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: Tensorway vs Sigma Software

Dimension Tensorway Sigma Software
Best company size Startup to mid-market Enterprise
Best industries Fintech, Energy & Utilities, Logistics Cross-industry enterprise IT
Best use cases Fintech fraud detection and forecasting models, Customer segmentation for e-commerce Enterprise IT consultancy engagements with embedded AI/ML components, Large-scale staff augmentation for AI-adjacent development
Typical project type Fixed project Dedicated team

Tensorway vs Sigma Software: pros and cons

Tensorway
+ Deep specialization in forecasting and NLP rather than a broad generalist service menu
+ Dual Spain/California presence supports both EU and US client time zones
+ $10K minimum engagement keeps the door open to smaller pilot projects
+ Direct founder involvement in client engagements (per company website)
- 50–249 employee band spans two office locations, so the ML team size for a specific project is unclear
- Public case study count is modest compared to larger regional players
- Precise relationship structure with parent company Anadea is not detailed beyond a shared founding team (per company website; independently unverifiable)
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 Tensorway?

Tensorway is the right choice for mid-market fintech, energy, and supply-chain companies that want a boutique team building production forecasting models without enterprise-consultancy overhead..

Spun out of Anadea's applied R&D unit in 2019, giving it a mature delivery bench uncommon for a five-year-old AI boutique.. Minimum engagement starts at $10,000+. Works best with clients in Fintech, Energy & Utilities, Logistics, Private Equity.

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: Tensorway vs Sigma Software

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

Use case fit: Tensorway vs Sigma Software

Use case Tensorway fit Sigma Software fit Winner
Fintech fraud detection and forecasting models Strong Limited Tensorway
Customer segmentation for e-commerce Strong Limited Tensorway
Enterprise IT consultancy engagements with embedded AI/ML components Limited Strong Sigma Software
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: Tensorway vs Sigma Software

Tensorway (4.6/5) is the stronger overall choice for most Machine Learning Development projects. Spun out of Anadea's applied R&D unit in 2019, giving it a mature delivery bench uncommon for a five-year-old AI boutique.. It is best for mid-market fintech, energy, and supply-chain companies that want a boutique team building production forecasting models without enterprise-consultancy overhead..

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

Tensorway vs Sigma Software FAQ

Is Tensorway better than Sigma Software?

Tensorway (4.6/5) scores higher overall, but "better" depends on your use case. Tensorway is better for mid-market fintech, energy, and supply-chain companies that want a boutique team building production forecasting models without enterprise-consultancy overhead.. 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 Tensorway and Sigma Software differ in pricing?

Tensorway 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: Tensorway or Sigma Software?

Tensorway 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 Tensorway and Sigma Software?

Tensorway's primary differentiator is: spun out of anadea's applied r&d unit in 2019, giving it a mature delivery bench uncommon for a five-year-old ai boutique.. 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 (Fintech, Energy & Utilities vs Cross-industry enterprise IT).

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