Best Data Science Consulting Companies

InData Labs describes itself on Clutch as 'a leading data science firm and AI-powered solutions provider' — the only company in this ranking to self-identify as a data science firm first, rather than a software house with a data science offering. Its 20 reviews average 4.8/5, and its 80+ person team has delivered predictive analytics, sentiment analysis, and custom AI models exclusively since 2014.

ELEKS documents Machine Learning at 42% of its AI Expertise breakdown — the highest concentration of any company in this ranking — alongside Natural Language Processing at 26%, giving it the deepest statistical modeling foundation among the larger enterprise players here. Its 4.8/5 rating across 31 reviews and 2,000+ employee bench support data science projects that need to scale into a much larger engineering program.

N-iX's AI Expertise breakdown shows Machine Learning at 35% and Computer Vision at 30%, core data science disciplines beyond general AI development. It's also one of the actual companies Google ranks for this exact search term (as 'NIX United'), alongside InData Labs — independent evidence its data science credibility holds up outside Clutch too. Its 4.8/5 rating across 35 reviews and Clutch-verified entity add further documentation.

Simform documents Machine Learning at 25% of its AI Expertise mix, alongside AI Recommendation Systems (15%) and Computer Vision (15%) — a broader spread of core data science disciplines than several larger competitors in this ranking. Its 86 reviews at 4.8/5, the deepest evidence base here, and Azure Expert MSP status support data science work that needs production-grade cloud infrastructure to run models at scale.

Krazimo documents Machine Learning at 20% and NLP at 20% of its AI Expertise mix, smaller shares than the larger data-science specialists above it, but backed by a perfect 5.0/5 rating across 12 reviews — the highest score in this ranking. Its practice is scoped narrower, around AI agents and generative products, than a dedicated data science consultancy.

Intellias documents Generative AI (15%) and AI Consulting (10%) as its named AI service lines, but doesn't publish a Machine Learning or data-science-specific percentage the way ELEKS, N-iX, or Simform do. Its 4.9/5 rating across 30 reviews, the highest in this ranking, and two decades of enterprise engineering still support solid data science delivery as part of a broader AI product build.

Azumo doesn't document a Machine Learning or data-science-specific percentage on Clutch — its published AI expertise centers on chatbots and conversational AI instead. Its 4.9/5 rating across 24 reviews and nearshore delivery starting around $4,200 still make it worth considering for smaller-scope data science work bundled with a broader AI build.

ScienceSoft doesn't publish a Machine Learning or data-science-specific percentage — its AI work sits inside a much broader IT consulting practice, though its ISO 9001/27001/13485 certifications matter if a data science model handles regulated healthcare or financial data. Its 4.8/5 rating across 42 reviews is the second-deepest evidence base in this ranking.

Vention doesn't document a Machine Learning or data-science-specific percentage — its documented strength is developer scale and staffing speed, with 3,000+ developers and 102 reviews at 4.9/5, the largest sample in this ranking. Data science engagements here are more likely to arrive staffed with a large team than led by a narrow data-science specialization.