Data & AI Consulting

Turning data potential into measurable business impact.

Strategic AI consulting meets in-house product development. From maturity assessments to scalable AI solutions, all under one roof.

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Completed Projects
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Industries
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Years of Experience
International
Focus Region

What we do

From initial analysis to production-ready AI solutions. Hands-on, scalable and results-driven.

Competency Spectrum
Strategy & Roadmaps 95%
Cloud & Data Platforms 90%
AI & ML Production 92%
Team & Capacity Building 85%

Data & AI Strategy

Maturity assessments, roadmap development and business case evaluation. The shortest path from your data to measurable business value.

Roadmaps Maturity Business Case

Cloud & Data Platforms

Building and migrating cloud-native data platforms. Scalable infrastructure for real-time analytics and self-service BI.

GCP BigQuery Kafka Spark

AI & ML Solutions

From NLP and RAG pipelines to predictive analytics and AI agents. Production-ready models with monitoring and feedback loops.

NLP / LLM RAG AI Agents MLOps

Startup Advisory & Tech Review

Technical architecture, AI model selection and code reviews for startups. We help you make the right technical decisions before they get expensive.

Architecture AI Review Tech Strategy

Own Digital Products

Beyond consulting, we develop and operate our own digital products across various industries.

Digital Products Energy AI Agents
Energy / Finance / Logistics / Digital Startups / Telecommunications / Energy / Finance / Logistics / Digital Startups / Telecommunications / Energy / Finance / Logistics / Digital Startups / Telecommunications /

Two Pillars. One Model.

We advise companies on Data & AI while building our own digital products. Two pillars that strengthen each other.

Consulting & Implementation

We help companies turn data potential into measurable business success. From maturity assessments and data platforms to scalable AI solutions.

Own Products

Our own digital products, developed and operated from idea to market.

Behind LeMa

Founded by Johannes Tomin with over 15 years of experience at the intersection of Data, AI and Business.

JT
Johannes Tomin
Founder & CEO ↗

Previously Head of Data & Analytics at Walter Group, Data Scientist at Accenture, Full Stack Data Scientist at HeyStacks Dublin. Experience across energy, finance, logistics and telecommunications. From ML models and RAG pipelines to leading cross-functional teams. Plus hands-on startup experience as founder and technical advisor for early-stage companies.

Python ~ BigQuery ~ Google Cloud ~ NLP / LLM / RAG ~ Kafka ~ Spark ~ PostgreSQL ~ Supabase ~ AI Agents ~ ML Pipelines ~ Python ~ BigQuery ~ Google Cloud ~ NLP / LLM / RAG ~ Kafka ~ Spark ~ PostgreSQL ~ Supabase ~ AI Agents ~ ML Pipelines ~

Let's put your data to work.

Free 30-minute introductory call. We assess your current situation and outline concrete next steps.