Best Machine Learning Development Agencies

Sigma Software Group vs MobiDev: full comparison for 2026

Last updated: July 2026

Quick verdict

MobiDev (4.2/5) edges ahead of Sigma Software Group (4.0/5) overall. MobiDev is the better choice for retail, hospitality, and health/fitness companies wanting a mid-size firm with a proven, product-specific AI/ML delivery track record.. Sigma Software Group is the stronger option for companies wanting ML delivered by an outsourcing firm with an independently verified, decade-plus industry ranking track record.. The right choice depends on your project size, budget, and required tech stack.

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

Criterion Sigma Software Group MobiDev
Founded 2002 2009
HQ Stockholm, Sweden Atlanta, Georgia, USA
Team size 1,001–5,000 201–500
Rating 4.0 / 5 4.2 / 5
Best for Companies wanting ML delivered by an outsourcing firm with an independently verified, decade-plus industry ranking track record. Retail, hospitality, and health/fitness companies wanting a mid-size firm with a proven, product-specific AI/ML delivery track record.
Pricing model Fixed project, dedicated team, staff augmentation Fixed project and dedicated team
Min. engagement Not published $20K
Primary tech stack Python, TensorFlow, AWS Python, TensorFlow, OpenCV
Industries served Technology/SaaS, Media & Entertainment, Automotive, Aerospace Retail, Hospitality, Health & Fitness, Sports

Sigma Software Group vs MobiDev: overview

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.

MobiDev

MobiDev is a custom software development company founded in 2009, headquartered in Atlanta, Georgia, with R&D centers in Lodz, Poland and Chernivtsi, Ukraine, and roughly 290–400 engineers. CEO Oleg Lola initiated a dedicated AI/ML practice in 2018, and the company has since delivered more than 65 AI/ML products, concentrated in retail, hospitality, fitness, sports, and health/wellness.

Services and capabilities: Sigma Software Group vs MobiDev

Capability Sigma Software Group MobiDev
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: Sigma Software Group vs MobiDev

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

Pricing comparison: Sigma Software Group vs MobiDev

Criterion Sigma Software Group MobiDev
Minimum engagement Not published $20K
Engagement models Fixed project, Dedicated team, Staff augmentation Fixed project, Dedicated team
Rate transparency Not public Minimum disclosed
Price tier Enterprise / not published Accessible

Target audience comparison: Sigma Software Group vs MobiDev

Dimension Sigma Software Group MobiDev
Best company size Startup to mid-market Startup to mid-market
Best industries Technology/SaaS, Media & Entertainment, Automotive Retail, Hospitality, Health & Fitness
Best use cases 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 Retail or hospitality companies wanting computer-vision or recommendation features built into an existing product, Health and fitness apps needing an ML-driven personalization or tracking feature
Typical project type Fixed project Fixed project

Sigma Software Group vs MobiDev: pros and cons

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
MobiDev
+ 65+ delivered AI/ML products gives a concrete, countable delivery track record rather than general marketing claims
+ Deliberate AI/ML practice build-out since 2018, rather than a very recent pivot
+ Named vertical concentration (retail, hospitality, fitness, health) supports domain-specific product experience
+ Mid-size team (290–400) balances specialist focus with real delivery capacity
- Narrower industry focus than horizontal AI consultancies serving finance, healthcare, and manufacturing broadly
- Smaller scale than the large enterprise IT firms on this list, limiting very large multi-team programs
- AI/ML sits alongside a broader general custom-software-development practice

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.

Who should choose MobiDev?

MobiDev is the right choice for retail, hospitality, and health/fitness companies wanting a mid-size firm with a proven, product-specific AI/ML delivery track record..

65+ delivered AI/ML products concentrated in retail, hospitality, fitness, and health/wellness verticals.. Minimum engagement starts at $20K. Works best with clients in Retail, Hospitality, Health & Fitness, Sports.

Decision matrix: Sigma Software Group vs MobiDev

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Sigma Software Group
You need a large dedicated team for an ongoing programme Sigma Software Group
Your budget is at the lower end Compare: Sigma Software Group (Not published) vs MobiDev ($20K)
You need specialist depth in a specific vertical Sigma Software Group
You need staff augmentation or team extension Sigma Software Group
You need consulting before committing to a build Sigma Software Group

Use case fit: Sigma Software Group vs MobiDev

Use case Sigma Software Group fit MobiDev fit Winner
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 Strong Limited Sigma Software Group
Retail or hospitality companies wanting computer-vision or recommendation features built into an existing product Limited Strong MobiDev
Health and fitness apps needing an ML-driven personalization or tracking feature Limited Strong MobiDev
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: Sigma Software Group vs MobiDev

MobiDev (4.2/5) is the stronger overall choice for most Machine Learning Development projects. 65+ delivered AI/ML products concentrated in retail, hospitality, fitness, and health/wellness verticals.. It is best for retail, hospitality, and health/fitness companies wanting a mid-size firm with a proven, product-specific AI/ML delivery track record..

Sigma Software Group (4.0/5) is the better choice when companies wanting ML delivered by an outsourcing firm with an independently verified, decade-plus industry ranking track record.. If your situation matches those criteria, Sigma Software Group is a competitive option.

Related comparisons

Sigma Software Group vs MobiDev FAQ

Is Sigma Software Group better than MobiDev?

MobiDev (4.2/5) scores higher overall, but "better" depends on your use case. Sigma Software Group is better for companies wanting ML delivered by an outsourcing firm with an independently verified, decade-plus industry ranking track record.. MobiDev is better for retail, hospitality, and health/fitness companies wanting a mid-size firm with a proven, product-specific AI/ML delivery track record..

How do Sigma Software Group and MobiDev differ in pricing?

Sigma Software Group uses fixed project, dedicated team, staff augmentation pricing with a minimum engagement of Not published. MobiDev uses fixed project and dedicated team pricing with a minimum engagement of $20K. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Sigma Software Group or MobiDev?

Sigma Software Group 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 Sigma Software Group and MobiDev?

Sigma Software Group's primary differentiator is: consecutive annual placement on iaop's world's top 100 outsourcing list every year since 2015.. MobiDev's primary differentiator is: 65+ delivered ai/ml products concentrated in retail, hospitality, fitness, and health/wellness verticals.. They also differ in team size (1,001–5,000 vs 201–500), minimum engagement (Not published vs $20K), and primary industries served (Technology/SaaS, Media & Entertainment vs Retail, Hospitality).

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