Best ML Model Development Companies

Sigma Software Group vs ELEKS: full comparison for 2026

Last updated: July 2026

Quick verdict

Sigma Software Group (4.1/5) edges ahead of ELEKS (4.1/5) overall. Sigma Software Group is the better choice for companies wanting a large, diversified engineering group with a Snowflake-certified data platform practice underlying ML delivery.. ELEKS is the stronger option for enterprises wanting a long-established European software engineering partner with an added data science practice rather than an AI-only startup vendor.. The right choice depends on your project size, budget, and required tech stack.

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

Criterion Sigma Software Group ELEKS
Founded 2002 1991
HQ Stockholm, Sweden (engineering hub: Kharkiv, Ukraine) Tallinn, Estonia (engineering hub: Lviv, Ukraine)
Team size 1,001–5,000 1,001–5,000
Rating 4.1 / 5 4.1 / 5
Best for Companies wanting a large, diversified engineering group with a Snowflake-certified data platform practice underlying ML delivery. Enterprises wanting a long-established European software engineering partner with an added data science practice rather than an AI-only startup vendor.
Pricing model Time & Material, Fixed project Time & Material, Fixed project
Min. engagement $10,000 Not published
Primary tech stack Snowflake, Python, Cloud ML platforms (AWS/Azure/GCP) Python, Cloud ML platforms (AWS/Azure/GCP), Data engineering tooling
Industries served AdTech, Automotive, Aviation, Gaming, Telecom, FinTech, PropTech Financial services, Healthcare, Manufacturing, Insurance

Sigma Software Group vs ELEKS: overview

Sigma Software Group

Sigma Software Group traces its origins to 2002 in Kharkiv, Ukraine, and became affiliated with the Swedish Sigma Group in 2006, giving it dual Stockholm/Kharkiv operating roots. The company reports roughly 2,100 professionals across 40 offices in 19 countries. Its machine learning practice covers supervised and unsupervised modeling, anomaly detection, forecasting, and broader data engineering and platform work, and it holds a Snowflake AI Data Cloud partnership. Sigma Software serves a diversified industry base spanning AdTech, automotive, aviation, gaming, telecom, FinTech, and PropTech, rather than concentrating in one vertical.

ELEKS

ELEKS is a long-running European software engineering company founded in 1991, with corporate presence in Tallinn, Estonia and its largest engineering hub in Lviv, Ukraine, alongside additional offices across Europe and North America. The company reports more than 2,000 employees and operates a dedicated data science and AI practice layered onto its broader enterprise software engineering services. Its history predates the modern AI/ML consulting wave by roughly three decades, giving it an unusually long operating track record compared to most peers in this list.

Services and capabilities: Sigma Software Group vs ELEKS

Capability Sigma Software Group ELEKS
Custom model training
Fine-tuning & adaptation
MLOps pipeline
Model deployment & serving
Data engineering for ML
ML infrastructure management
Computer vision
NLP & LLM development
Forecasting & time-series modeling
ML strategy consulting

Tech stack comparison: Sigma Software Group vs ELEKS

Framework / platform Sigma Software Group ELEKS
PyTorch N/A N/A
TensorFlow N/A N/A
MLflow N/A N/A
AWS SageMaker N/A N/A
Amazon Bedrock N/A N/A
Google Cloud N/A N/A
Microsoft Azure N/A N/A
Kubernetes N/A
Snowflake N/A
NVIDIA N/A N/A

Pricing comparison: Sigma Software Group vs ELEKS

Criterion Sigma Software Group ELEKS
Minimum engagement $10,000 Not published
Engagement models Time & Material, Fixed project, Dedicated team Time & Material, Fixed project, Dedicated team
Rate transparency Minimum disclosed Not public
Price tier Accessible Mid-market

Target audience comparison: Sigma Software Group vs ELEKS

Dimension Sigma Software Group ELEKS
Best company size Startup to mid-market Startup to mid-market
Best industries AdTech, Automotive, Aviation Financial services, Healthcare, Manufacturing
Best use cases Building a Snowflake-based data platform to support ML model training and serving, Running an anomaly detection or forecasting project for AdTech, gaming, or telecom clients Running an enterprise-scale data science initiative alongside a broader software modernization program, Engaging a long-tenured, stable partner for a multi-year digital transformation that includes ML components
Typical project type Time & Material Time & Material

Sigma Software Group vs ELEKS: pros and cons

Sigma Software Group
+ Over two decades of continuous operation with dual Swedish/Ukrainian corporate structure.
+ Snowflake certified partnership adds credibility to data platform work underneath ML delivery.
+ Very broad industry diversification reduces single-sector concentration risk for the vendor.
+ 37 Clutch reviews with consistently positive sentiment excerpts on delivery quality.
- Specific named ML client case studies are thin in available public sources.
- No clearly captured aggregate Clutch star score in this research pass, despite a solid review volume.
- ML/data is one of many service lines within a large, diversified group rather than the sole focus.
- Wide project cost range ($10K to $4M+) makes upfront budgeting less predictable.
ELEKS
+ Over three decades of continuous operation, unusually long for this category.
+ Large engineering bench (2,000+ employees) supports substantial delivery capacity.
+ Data science practice is embedded within a mature enterprise software engineering organization.
+ Multi-region European and North American office footprint.
- AI/ML is one practice area within a much broader enterprise software portfolio, not the company's primary specialization.
- Specific, named ML case studies with quantified outcomes are limited in available public sources.
- Pricing minimums are not published.
- Long operating history does not necessarily translate into deep modern ML/LLM specialization relative to newer, AI-first boutiques.

Who should choose Sigma Software Group?

Sigma Software Group is the right choice for companies wanting a large, diversified engineering group with a Snowflake-certified data platform practice underlying ML delivery..

Snowflake AI Data Cloud partnership combined with unusually broad industry diversification (AdTech through aviation to gaming).. Minimum engagement starts at $10,000. Works best with clients in AdTech, Automotive, Aviation, Gaming, Telecom, FinTech, PropTech.

Who should choose ELEKS?

ELEKS is the right choice for enterprises wanting a long-established European software engineering partner with an added data science practice rather than an AI-only startup vendor..

One of the longest operating histories (since 1991) among firms researched for this list, predating the AI consulting boom by decades.. Minimum engagement starts at Not published. Works best with clients in Financial services, Healthcare, Manufacturing, Insurance.

Decision matrix: Sigma Software Group vs ELEKS

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 ($10,000) vs ELEKS (Not published)
You need specialist depth in a specific vertical Sigma Software Group
You need staff augmentation or team extension Neither; consider alternatives that offer staff aug
You need consulting before committing to a build Both may offer discovery engagements

Use case fit: Sigma Software Group vs ELEKS

Use case Sigma Software Group fit ELEKS fit Winner
Building a Snowflake-based data platform to support ML model training and serving Strong Strong Both equally
Running an anomaly detection or forecasting project for AdTech, gaming, or telecom clients Strong Strong Both equally
Running an enterprise-scale data science initiative alongside a broader software modernization program Strong Strong Both equally
Engaging a long-tenured, stable partner for a multi-year digital transformation that includes ML components Strong Strong Both equally
Fixed-price build Limited Limited Both equally
MLOps pipeline setup Limited Limited Both equally

Verdict: Sigma Software Group vs ELEKS

Sigma Software Group (4.1/5) is the stronger overall choice for most ML Model Development projects. Snowflake AI Data Cloud partnership combined with unusually broad industry diversification (AdTech through aviation to gaming).. It is best for companies wanting a large, diversified engineering group with a Snowflake-certified data platform practice underlying ML delivery..

ELEKS (4.1/5) is the better choice when enterprises wanting a long-established European software engineering partner with an added data science practice rather than an AI-only startup vendor.. If your situation matches those criteria, ELEKS is a competitive option.

Related comparisons

Sigma Software Group vs ELEKS FAQ

Is Sigma Software Group better than ELEKS?

Sigma Software Group (4.1/5) scores higher overall, but "better" depends on your use case. Sigma Software Group is better for companies wanting a large, diversified engineering group with a Snowflake-certified data platform practice underlying ML delivery.. ELEKS is better for enterprises wanting a long-established European software engineering partner with an added data science practice rather than an AI-only startup vendor..

How do Sigma Software Group and ELEKS differ in pricing?

Sigma Software Group uses time & material, fixed project pricing with a minimum engagement of $10,000. ELEKS uses time & material, fixed project 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: Sigma Software Group or ELEKS?

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 company before shortlisting.

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

Sigma Software Group's primary differentiator is: snowflake ai data cloud partnership combined with unusually broad industry diversification (adtech through aviation to gaming).. ELEKS's primary differentiator is: one of the longest operating histories (since 1991) among firms researched for this list, predating the ai consulting boom by decades.. They also differ in team size (1,001–5,000 vs 1,001–5,000), minimum engagement ($10,000 vs Not published), and primary industries served (AdTech, Automotive vs Financial services, Healthcare).

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