Best Machine Learning Agencies

LeewayHertz vs DataArt: full comparison for 2026

Last updated: July 2026

Quick verdict

LeewayHertz (4.1/5) edges ahead of DataArt (3.9/5) overall. LeewayHertz is the better choice for e-commerce, logistics, and financial services teams needing AI development with access to The Hackett Group's strategic advisory network. DataArt is the stronger option for financial services, media, and healthcare enterprises needing ML embedded in complex software systems with long-term maintainability as a priority. The right choice depends on your project size, budget, and required tech stack.

LeewayHertz vs DataArt: head-to-head summary

Criterion LeewayHertz DataArt
Founded 2007 1997
HQ San Francisco, CA, USA New York, NY, USA
Team size 200–400 5,000+
Rating 4.1 / 5 3.9 / 5
Best for E-commerce, logistics, and financial services teams needing AI development with access to The Hackett Group's strategic advisory network Financial services, media, and healthcare enterprises needing ML embedded in complex software systems with long-term maintainability as a priority
Pricing model Fixed project, Dedicated team, T&M T&M, Dedicated team
Min. engagement $25K $50K
Primary tech stack Python, TensorFlow, PyTorch Python, TensorFlow, PyTorch
Industries served Retail / E-commerce, Logistics, Financial Services / Fintech, Healthcare, Technology / SaaS Financial Services, Media / Entertainment, Healthcare, Hospitality / Travel, Technology / SaaS

LeewayHertz vs DataArt: overview

LeewayHertz

LeewayHertz is an AI development company founded in 2007 and headquartered in San Francisco, California, with a team of 200–400 engineers. It was ranked among the top 10 AI consulting firms by Forbes and was subsequently acquired by The Hackett Group (NASDAQ: HCKT), a leading Gen AI strategic consultancy and executive advisory firm, which broadened its AI consulting reach and enterprise client access. LeewayHertz covers machine learning, generative AI, NLP, and computer vision with particular portfolio depth in e-commerce, logistics, and finance. Its acquisition by The Hackett Group provides clients with a combined engineering-plus-advisory capability uncommon at this team size.

DataArt

DataArt is a global technology consultancy founded in 1997, headquartered in New York, with over 5,000 engineers across 30+ offices worldwide. Its ML practice specialises in building custom machine learning systems that integrate into broader software platforms, with particular strength in capital markets (time series forecasting, trading analytics), media (content recommendation, NLP), healthcare (clinical analytics, EHR integration), and travel and hospitality. DataArt emphasises system stability, long-term maintainability, and performance — qualities that reflect its origins as a software engineering firm rather than a data science startup, producing ML systems designed to remain operational and auditable over multi-year production lifespans.

Services and capabilities: LeewayHertz vs DataArt

Capability LeewayHertz DataArt
Custom ML development
Deep learning
NLP / Text analytics
Computer vision
MLOps & deployment
Generative AI
AI strategy
Staff augmentation
Fixed-price projects
Dedicated team model

Tech stack comparison: LeewayHertz vs DataArt

Framework / platform LeewayHertz DataArt
Python
TensorFlow
PyTorch
AWS
Kubernetes
Databricks N/A N/A
MLflow N/A N/A

Pricing comparison: LeewayHertz vs DataArt

Criterion LeewayHertz DataArt
Minimum engagement $25K $50K
Engagement models Fixed project, Dedicated team, Time & materials Time & materials, Dedicated team
Rate transparency Minimum disclosed Minimum disclosed
Price tier Accessible Accessible

Target audience comparison: LeewayHertz vs DataArt

Dimension LeewayHertz DataArt
Best company size Startup to mid-market Startup to mid-market
Best industries Retail / E-commerce, Logistics, Financial Services / Fintech Financial Services, Media / Entertainment, Healthcare
Best use cases Generative AI product development for SaaS companies embedding LLM features into their core product, Custom recommendation and pricing ML for e-commerce platforms Time series forecasting and trading analytics ML for capital markets and asset management firms, Content recommendation systems embedded in media and streaming platforms
Typical project type Fixed project Time & materials

LeewayHertz vs DataArt: pros and cons

LeewayHertz
+ Forbes top-10 AI consulting ranking provides independently verified brand credibility
+ Acquisition by The Hackett Group adds executive-level AI strategy capability alongside engineering delivery
+ Strong generative AI portfolio with LLM integration and multi-agent system case studies
+ US headquarters with San Francisco tech ecosystem connections — useful for venture-backed startups
+ Multiple engagement models from fixed project through dedicated team increase accessibility for different buyer types
- Post-acquisition integration with The Hackett Group may affect delivery team focus and internal processes
- Engineering depth may not match pure-play ML boutiques for advanced model research or complex MLOps infrastructure
- Portfolio is broad; specialist depth in any single vertical is harder to verify than with niche-focused competitors
DataArt
+ 25+ years of operation and 5,000+ engineers provide exceptional vendor stability for long-duration enterprise programmes
+ Software engineering DNA produces ML systems built for long-term production operation rather than quick demos
+ Capital markets ML depth (time series, trading analytics, risk modelling) is among the strongest in this review
+ Media and healthcare ML secondary strengths add versatility for conglomerates spanning multiple verticals
+ Well-established offshore-onshore delivery model provides competitive blended rates with senior onshore oversight
- ML is one practice within a very broad 5,000-person portfolio — specialist AI research depth is thinner than dedicated ML firms
- Engineering-first approach can feel slower than ML-native boutiques for clients needing rapid iteration or experimentation
- Less prominent in marketing or commercial AI use cases compared to analytics-native competitors

Who should choose LeewayHertz?

LeewayHertz is the right choice for e-commerce, logistics, and financial services teams needing AI development with access to The Hackett Group's strategic advisory network.

Forbes top-10 AI firm acquired by The Hackett Group — combining engineering delivery with enterprise AI strategic advisory capability. Minimum engagement starts at $25K. Works best with clients in Retail / E-commerce, Logistics, Financial Services / Fintech, Healthcare, Technology / SaaS.

Who should choose DataArt?

DataArt is the right choice for financial services, media, and healthcare enterprises needing ML embedded in complex software systems with long-term maintainability as a priority.

Software-engineering-first culture produces ML systems designed for 5-10 year production lifespans — maintainability and stability over speed-to-market. Minimum engagement starts at $50K. Works best with clients in Financial Services, Media / Entertainment, Healthcare, Hospitality / Travel, Technology / SaaS.

Decision matrix: LeewayHertz vs DataArt

Your situation Recommended choice
You need full-ownership delivery on a defined project scope LeewayHertz
You need a large dedicated team for an ongoing programme LeewayHertz
Your budget is at the lower end LeewayHertz
You need specialist depth in a specific vertical LeewayHertz
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: LeewayHertz vs DataArt

Use case LeewayHertz fit DataArt fit Winner
Generative AI product development for SaaS companies embedding LLM features into their core product Strong Limited LeewayHertz
Custom recommendation and pricing ML for e-commerce platforms Strong Limited LeewayHertz
Time series forecasting and trading analytics ML for capital markets and asset management firms Limited Strong DataArt
Content recommendation systems embedded in media and streaming platforms Limited Strong DataArt
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: LeewayHertz vs DataArt

LeewayHertz (4.1/5) is the stronger overall choice for most Machine Learning projects. Forbes top-10 AI firm acquired by The Hackett Group — combining engineering delivery with enterprise AI strategic advisory capability. It is best for e-commerce, logistics, and financial services teams needing AI development with access to The Hackett Group's strategic advisory network.

DataArt (3.9/5) is the better choice when financial services, media, and healthcare enterprises needing ML embedded in complex software systems with long-term maintainability as a priority. If your situation matches those criteria, DataArt is a competitive option.

Related comparisons

LeewayHertz vs DataArt FAQ

Is LeewayHertz better than DataArt?

LeewayHertz (4.1/5) scores higher overall, but "better" depends on your use case. LeewayHertz is better for e-commerce, logistics, and financial services teams needing AI development with access to The Hackett Group's strategic advisory network. DataArt is better for financial services, media, and healthcare enterprises needing ML embedded in complex software systems with long-term maintainability as a priority.

How do LeewayHertz and DataArt differ in pricing?

LeewayHertz uses fixed project, dedicated team, t&m pricing with a minimum engagement of $25K. DataArt uses t&m, dedicated team pricing with a minimum engagement of $50K. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: LeewayHertz or DataArt?

LeewayHertz 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 LeewayHertz and DataArt?

LeewayHertz's primary differentiator is: forbes top-10 ai firm acquired by the hackett group — combining engineering delivery with enterprise ai strategic advisory capability. DataArt's primary differentiator is: software-engineering-first culture produces ml systems designed for 5-10 year production lifespans — maintainability and stability over speed-to-market. They also differ in team size (200–400 vs 5,000+), minimum engagement ($25K vs $50K), and primary industries served (Retail / E-commerce, Logistics vs Financial Services, Media / Entertainment).

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