Best ML Model Development Companies

ELEKS vs Aptus Data Labs: full comparison for 2026

Last updated: July 2026

Quick verdict

ELEKS (4.1/5) edges ahead of Aptus Data Labs (4.0/5) overall. ELEKS is the better choice for enterprises wanting a long-established European software engineering partner with an added data science practice rather than an AI-only startup vendor.. Aptus Data Labs is the stronger option for companies wanting a boutique, India-based data engineering and analytics firm with AWS AI service depth.. The right choice depends on your project size, budget, and required tech stack.

ELEKS vs Aptus Data Labs: head-to-head summary

Criterion ELEKS Aptus Data Labs
Founded 1991 2014
HQ Tallinn, Estonia (engineering hub: Lviv, Ukraine) Bengaluru, India
Team size 1,001–5,000 51–200
Rating 4.1 / 5 4.0 / 5
Best for Enterprises wanting a long-established European software engineering partner with an added data science practice rather than an AI-only startup vendor. Companies wanting a boutique, India-based data engineering and analytics firm with AWS AI service depth.
Pricing model Time & Material, Fixed project Not published; project-based
Min. engagement Not published Not published
Primary tech stack Python, Cloud ML platforms (AWS/Azure/GCP), Data engineering tooling AWS AI services, Python, Data engineering/analytics tooling
Industries served Financial services, Healthcare, Manufacturing, Insurance Enterprise (cross-industry), Financial services

ELEKS vs Aptus Data Labs: overview

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.

Aptus Data Labs

Aptus Data Labs is a data engineering and advanced analytics company founded in 2014 in Bangalore by Ravindra Swamy and Samir Kumar Sahoo. The company offers analytical solutions and consulting services aimed at helping businesses make data-driven decisions, with a practice that spans cloud solutions and AWS AI services alongside core data engineering. Reported employee counts vary across sources from roughly 45 to a few hundred, positioning it as a smaller boutique analytics firm rather than a large-scale delivery organization.

Services and capabilities: ELEKS vs Aptus Data Labs

Capability ELEKS Aptus Data Labs
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: ELEKS vs Aptus Data Labs

Framework / platform ELEKS Aptus Data Labs
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 N/A
NVIDIA N/A N/A

Pricing comparison: ELEKS vs Aptus Data Labs

Criterion ELEKS Aptus Data Labs
Minimum engagement Not published Not published
Engagement models Time & Material, Fixed project, Dedicated team Fixed project, Consulting engagement
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: ELEKS vs Aptus Data Labs

Dimension ELEKS Aptus Data Labs
Best company size Startup to mid-market Startup to mid-market
Best industries Financial services, Healthcare, Manufacturing Enterprise (cross-industry), Financial services
Best use cases 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 Building AWS-native data engineering pipelines to support downstream ML models, Running a focused analytics consulting engagement for a mid-market Indian or global company
Typical project type Time & Material Fixed project

ELEKS vs Aptus Data Labs: pros and cons

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.
Aptus Data Labs
+ Decade-plus operating history as a focused data engineering and analytics boutique.
+ Specific AWS AI services expertise adds credibility for AWS-standardized buyers.
+ Founder-led with stable leadership since 2014.
+ Boutique size may offer more attentive, senior-level engagement than larger firms.
- Employee count estimates vary widely across sources, creating uncertainty about actual delivery capacity.
- Public, named case studies with quantified ML outcomes are limited in available sources.
- No clearly located aggregate Clutch/G2 star rating in available public sources.
- Smaller scale limits suitability for very large, multi-region enterprise programs.

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.

Who should choose Aptus Data Labs?

Aptus Data Labs is the right choice for companies wanting a boutique, India-based data engineering and analytics firm with AWS AI service depth..

Combines core data engineering consulting with specific AWS AI service implementation expertise in a boutique-sized team.. Minimum engagement starts at Not published. Works best with clients in Enterprise (cross-industry), Financial services.

Decision matrix: ELEKS vs Aptus Data Labs

Your situation Recommended choice
You need full-ownership delivery on a defined project scope ELEKS
You need a large dedicated team for an ongoing programme ELEKS
Your budget is at the lower end Compare: ELEKS (Not published) vs Aptus Data Labs (Not published)
You need specialist depth in a specific vertical ELEKS
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: ELEKS vs Aptus Data Labs

Use case ELEKS fit Aptus Data Labs fit Winner
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
Building AWS-native data engineering pipelines to support downstream ML models Strong Strong Both equally
Running a focused analytics consulting engagement for a mid-market Indian or global company Strong Strong Both equally
Fixed-price build Limited Limited Both equally
MLOps pipeline setup Limited Limited Both equally

Verdict: ELEKS vs Aptus Data Labs

ELEKS (4.1/5) is the stronger overall choice for most ML Model Development projects. One of the longest operating histories (since 1991) among firms researched for this list, predating the AI consulting boom by decades.. It is best for enterprises wanting a long-established European software engineering partner with an added data science practice rather than an AI-only startup vendor..

Aptus Data Labs (4.0/5) is the better choice when companies wanting a boutique, India-based data engineering and analytics firm with AWS AI service depth.. If your situation matches those criteria, Aptus Data Labs is a competitive option.

Related comparisons

ELEKS vs Aptus Data Labs FAQ

Is ELEKS better than Aptus Data Labs?

ELEKS (4.1/5) scores higher overall, but "better" depends on your use case. 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.. Aptus Data Labs is better for companies wanting a boutique, India-based data engineering and analytics firm with AWS AI service depth..

How do ELEKS and Aptus Data Labs differ in pricing?

ELEKS uses time & material, fixed project pricing with a minimum engagement of Not published. Aptus Data Labs uses not published; project-based 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: ELEKS or Aptus Data Labs?

ELEKS 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 ELEKS and Aptus Data Labs?

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.. Aptus Data Labs's primary differentiator is: combines core data engineering consulting with specific aws ai service implementation expertise in a boutique-sized team.. They also differ in team size (1,001–5,000 vs 51–200), minimum engagement (Not published vs Not published), and primary industries served (Financial services, Healthcare vs Enterprise (cross-industry), Financial services).

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