Best Machine Learning Development Agencies

DataArt vs Sigma Software Group: full comparison for 2026

Last updated: July 2026

Quick verdict

Sigma Software Group (4.0/5) edges ahead of DataArt (3.9/5) overall. Sigma Software Group is the better choice for companies wanting ML delivered by an outsourcing firm with an independently verified, decade-plus industry ranking track record.. DataArt is the stronger option for enterprises across finance, media, healthcare, and retail wanting AI/ML from a long-established, globally distributed software engineering partner.. The right choice depends on your project size, budget, and required tech stack.

DataArt vs Sigma Software Group: head-to-head summary

Criterion DataArt Sigma Software Group
Founded 1997 2002
HQ New York, USA Stockholm, Sweden
Team size 5,001–10,000 1,001–5,000
Rating 3.9 / 5 4.0 / 5
Best for Enterprises across finance, media, healthcare, and retail wanting AI/ML from a long-established, globally distributed software engineering partner. Companies wanting ML delivered by an outsourcing firm with an independently verified, decade-plus industry ranking track record.
Pricing model Fixed project, dedicated team, staff augmentation Fixed project, dedicated team, staff augmentation
Min. engagement Not published Not published
Primary tech stack Python, Azure OpenAI, AWS Python, TensorFlow, AWS
Industries served Financial Services, Media & Entertainment, Healthcare, Retail, Travel & Hospitality Technology/SaaS, Media & Entertainment, Automotive, Aerospace

DataArt vs Sigma Software Group: overview

DataArt

DataArt is a software engineering and consulting company founded in 1997 in New York by Eugene Goland, with roughly 5,400 employees across more than 30 locations spanning the US, Europe, Latin America, India, and the UAE. The firm added an Advanced AI Strategy Consulting service line in 2024, delivering data, analytics, and AI/ML work alongside its long-standing core software engineering practice.

Sigma Software Group

Sigma Software Group was founded in 2002 by five colleagues from Kharkiv, Ukraine — four developers and a lawyer — and is now headquartered in Stockholm, Sweden, with roughly 1,600–2,100 professionals across 40 offices in 19 countries. The firm has appeared on IAOP's World's Top 100 Outsourcing list every year since 2015, and its machine learning work sits alongside cybersecurity, AR/VR, and IoT practices.

Services and capabilities: DataArt vs Sigma Software Group

Capability DataArt Sigma Software Group
Custom ML model development
Deep learning & computer vision
NLP & LLM / Generative AI
MLOps & production deployment
Data engineering
AI strategy consulting
Staff augmentation

Tech stack comparison: DataArt vs Sigma Software Group

Framework / platform DataArt Sigma Software Group
Python
TensorFlow N/A
PyTorch N/A N/A
AWS
Azure
Google Cloud N/A N/A
Kubernetes N/A N/A
Databricks N/A
LangChain N/A N/A

Pricing comparison: DataArt vs Sigma Software Group

Criterion DataArt Sigma Software Group
Minimum engagement Not published Not published
Engagement models Fixed project, Dedicated team, Staff augmentation Fixed project, Dedicated team, Staff augmentation
Rate transparency Not public Not public
Price tier Enterprise / not published Enterprise / not published

Target audience comparison: DataArt vs Sigma Software Group

Dimension DataArt Sigma Software Group
Best company size Enterprise Startup to mid-market
Best industries Financial Services, Media & Entertainment, Healthcare Technology/SaaS, Media & Entertainment, Automotive
Best use cases Enterprises wanting AI strategy consulting bundled with long-term software engineering delivery, Media or travel companies needing broad-based data and AI/ML capability Companies wanting ML delivered by a vendor with a long, independently verified outsourcing track record, Cross-disciplinary projects combining ML with AR/VR or IoT
Typical project type Fixed project Fixed project

DataArt vs Sigma Software Group: pros and cons

DataArt
+ 28 years of continuous operation under the same founder-led leadership
+ 30+ global delivery locations across five regions supports broad geographic coverage
+ Named AI Strategy Consulting service line launched in 2024 shows deliberate recent AI investment
+ Broad industry coverage spanning finance, media, healthcare, and travel
- AI Strategy Consulting is a comparatively recent addition (2024) versus firms with a decade-plus dedicated AI/ML focus
- 5,400-employee scale sits within a broad general software-engineering practice rather than an AI-first firm
- Minimum engagement size not publicly disclosed
Sigma Software Group
+ 23 years of operating history from five co-founders to a 40-office global group
+ Independently verified IAOP Top 100 Outsourcing ranking every year since 2015, unlike self-reported rankings
+ 1,600+ professionals across 19 countries supports broad geographic delivery
+ Machine learning work paired with adjacent specialties like AR/VR and cybersecurity for cross-disciplinary projects
- Machine learning is one of several specialties (alongside cybersecurity, AR/VR, IoT) rather than the firm's core focus
- Less AI-specific branding than firms marketed explicitly as AI-first
- Minimum engagement size not publicly disclosed

Who should choose DataArt?

DataArt is the right choice for enterprises across finance, media, healthcare, and retail wanting AI/ML from a long-established, globally distributed software engineering partner..

28 years of operating history across 30+ global delivery locations, with a newer (2024) dedicated AI strategy consulting service line.. Minimum engagement starts at Not published. Works best with clients in Financial Services, Media & Entertainment, Healthcare, Retail, Travel & Hospitality.

Who should choose Sigma Software Group?

Sigma Software Group is the right choice for companies wanting ML delivered by an outsourcing firm with an independently verified, decade-plus industry ranking track record..

Consecutive annual placement on IAOP's World's Top 100 Outsourcing list every year since 2015.. Minimum engagement starts at Not published. Works best with clients in Technology/SaaS, Media & Entertainment, Automotive, Aerospace.

Decision matrix: DataArt vs Sigma Software Group

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

Use case fit: DataArt vs Sigma Software Group

Use case DataArt fit Sigma Software Group fit Winner
Enterprises wanting AI strategy consulting bundled with long-term software engineering delivery Strong Limited DataArt
Media or travel companies needing broad-based data and AI/ML capability Strong Strong Both equally
Companies wanting ML delivered by a vendor with a long, independently verified outsourcing track record Strong Strong Both equally
Cross-disciplinary projects combining ML with AR/VR or IoT Limited Strong Sigma Software Group
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: DataArt vs Sigma Software Group

Sigma Software Group (4.0/5) is the stronger overall choice for most Machine Learning Development projects. Consecutive annual placement on IAOP's World's Top 100 Outsourcing list every year since 2015.. It is best for companies wanting ML delivered by an outsourcing firm with an independently verified, decade-plus industry ranking track record..

DataArt (3.9/5) is the better choice when enterprises across finance, media, healthcare, and retail wanting AI/ML from a long-established, globally distributed software engineering partner.. If your situation matches those criteria, DataArt is a competitive option.

Related comparisons

DataArt vs Sigma Software Group FAQ

Is DataArt better than Sigma Software Group?

Sigma Software Group (4.0/5) scores higher overall, but "better" depends on your use case. DataArt is better for enterprises across finance, media, healthcare, and retail wanting AI/ML from a long-established, globally distributed software engineering partner.. Sigma Software Group is better for companies wanting ML delivered by an outsourcing firm with an independently verified, decade-plus industry ranking track record..

How do DataArt and Sigma Software Group differ in pricing?

DataArt uses fixed project, dedicated team, staff augmentation pricing with a minimum engagement of Not published. Sigma Software Group 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: DataArt or Sigma Software Group?

DataArt is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each agency before shortlisting.

What are the main differences between DataArt and Sigma Software Group?

DataArt's primary differentiator is: 28 years of operating history across 30+ global delivery locations, with a newer (2024) dedicated ai strategy consulting service line.. Sigma Software Group's primary differentiator is: consecutive annual placement on iaop's world's top 100 outsourcing list every year since 2015.. They also differ in team size (5,001–10,000 vs 1,001–5,000), minimum engagement (Not published vs Not published), and primary industries served (Financial Services, Media & Entertainment vs Technology/SaaS, Media & Entertainment).

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