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AI-ready Marketing Data Stack

AI is only as good as your data.

AI projects succeed when the foundation is right. A well-designed data stack—with consistent data, clear definitions, and an infrastructure built for AI—makes the difference between potential and measurable success. We design and build exactly that for you.
Semantic Layer Whitepaper
20+
Years of project experience with data stacks in the DACH region
8-12wks
Typical time-to-value for a production-ready MVP stack
100%
Independent Consulting
Secure

Checked by TISAX* and GDPR-compliant

  • Lavera Naturkosmetik
  • Allianz
  • Fresenius
  • Douglas
  • Aachener Grundvermögen
  • Fielmann
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  • Telefonica
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  • Roche
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  • Before We Talk About Technology

    What you’ll truly gain

    AI Enablement

    The foundation on which AI operates.
    Churn prediction and agentic AI require clean data. We provide the foundation.

    Reporting & BI

    A transparent data landscape.

    A single source of truth for marketing, sales, and finance. No more manual spreadsheets.

    Data Activation

    Warehouse data directly into your tools.

    Reverse ETL and composable CDP feed back into CRM, ads, and email. Real-time personalization.

    Predictive_Customer_Retention_Hopmann
    HMA_Team_Tobias-Lanzl

    Tobias Lanzl
    Manager Data Analytics &
    AI Expert

    +49 89 219 099 021

    Book your free 30-minute initial consultation now.


    Where the Problems Lie Today

    The most common issues customers bring to us.

    AI Readiness

    AI projects don’t fail because of algorithms.

    A company invests in AI tools and predictive models. Then it turns out that the data is not clean, not complete, and not machine-readable. The project is halted or produces unusable results.

    We build the stack to be AI-ready from the start—with quality checks, a data model, and a semantic layer as mandatory components.

    Semantics & Governance

    Every team has its own version of the truth.

    Marketing calls the same thing a “conversion,” while Sales refers to it as a “lead.” KPI discussions don’t end with decisions. The same applies to AI systems—they interpret the same raw data in completely different ways.

    The semantic layer defines business logic once, centrally—identically for all teams and all AI applications.

    Data Integration

    Data is everywhere—but nowhere complete.

    Marketing data is scattered across Google Analytics, Salesforce, the ad tool, and five other sources. Every export requires manual effort. Strategic decisions are based on whatever data is currently available—not on what’s actually accurate.

    Automated ingestion pipelines bring all sources together in a centralized location. The data warehouse becomes the reliable foundation—not just another silo.

    Scalability

    The next tool change is already on the horizon.

    Every new marketing tool comes with its own API. If the company grows or switches tools, the entire reporting infrastructure has to be rebuilt. The stack is tied to tools, not to goals.

    Modular architecture clearly separates sources, transformation, and output. Tools come and go—the data foundation remains stable.

    Why Hopmann

    Marketing expertise and data excellence—all under one roof.

    We bridge the gap between CMOs and data engineers. No loss of information, no unnecessary complexity.

    Marketing & Data Hybrid

    We speak both languages. For you, this means that technical requirements are translated into a high-performance data architecture without any loss of efficiency.

    The difference: No silos between strategy and IT.

    True Independence

    Our recommendations are based solely on what makes the most sense for your goals and your budget. We are independent of tool vendors.

    The difference: 100% focus on the ROI of your individual solution.

    Governance & AI-Ready

    The Semantic Layer is standard with us, not an extra. From day one, we build your stack so that it not only generates reports but also supports AI applications. Checked by TISAX*.

    The difference: Future-proofing instead of technical debt.

    Boutique-Speed & Quality

    Direct collaboration with senior experts instead of junior staffing. We work in agile sprints to deliver measurable results in weeks, not years.

    The difference: Strong execution instead of PowerPoint presentations.
    The Technical Backbone

    Five layers. One system.

    Each layer has a defined function. The architecture is modular: We can rebuild the entire stack from scratch or selectively integrate or expand individual layers within your existing infrastructure.

    Certified Tool Partnerships

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    Certified Technology Expertise

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    HMA Logo Tableau

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    Databricks Logo

    01
    Data Integration

    Automated pipelines from SaaS tools, databases, APIs, CRM systems, and ad platforms. No more manual exports.

    02
    Cloud Data Warehouse

    Scalable, secure, and GDPR-compliant. All data is versioned and stored in a single, high-performance location.

    03
    Transformation & Modelling

    Raw data structured, documented, and tested. Logically organized—for both people and machines.

    04
    Semantic Layer

    Business logic is defined centrally. Metrics, dimensions, and relationships between tables are defined once and calculated identically by every BI tool and every AI agent.

    05
    Context Layer

    Business knowledge for AI agents. Definitions, relationships, and business rules that go beyond mere numbers. They are available at runtime so that agents can interpret the data in the correct context.

    06
    Output Layer

    Combined, the Semantic Layer and the Context Layer serve as the link between the database and AI applications. The Semantic Layer defines how metrics are calculated. The Context Layer provides the knowledge needed to interpret them correctly. Without both, AI models interpret the same raw data differently. With them, all systems speak the same language.

    Free Whitepaper

    Do your AI-generated insights look right but aren’t actually accurate? Then they’re missing the semantic foundation. Our white paper shows how an AI-ready semantic layer teaches AI systems what revenue, churn, and conversion really mean for your business.
    Blueprint Tableau Power BI Migration
    Roadmap & Milestones

    Well thought through from the start. AI-ready from the ground up.

    We don’t start with implementing the marketing data stack. We start with your goals.

    Hopmann Training
    1.

    Audit & Architecture

    Goal: Assess the current state, clarify requirements, select technology.
    Result: Architectural blueprint with prioritization

    2.

    Building the Foundation

    Goal: Establish data connectivity, build the data warehouse, and develop the data model.
    Result: A production-ready database with quality testing

    3.

    Semantic Layer & BI

    Goal: Define KPIs centrally, build dashboards, onboard teams.
    Result: Consistent KPIs, actionable reporting

    4.

    Activation & AI

    Goal: Reverse ETL, predictive models, AI applications.
    Result: Deployed, AI-ready Marketing Data Stack

    Our offering for your marketing data stack.

    From the initial analysis to a complete AI-ready marketing data stack.

    Formats can be combined and tailored to your specific situation. We recommend a brief consultation to discuss the specific details.

    Entry

    Data Stack Audit & Strategy

    Assessment, architectural recommendations, and implementation roadmap.

    For teams that want to know where they stand, before they invest.

    3–5 days, €4,900 (net) flat fee

    Existing Stacks

    Optimization & Expansion

    Upon request

    Upgrade the semantic layer, implement data activation, or adapt the existing architecture to meet new requirements.

    Customized based on assessment

    Full Implementation

    AI-Ready Stack Implementation

    End-to-End Architecture: Ingestion, Data Warehouse, Transformation, Semantic Layer, Reporting.

    Ready for production in 8–12 weeks.

    Customized based on scope

    Free Initial Consultation

    Where does your marketing data stack stand today?

    30 minutes. We’ll listen to you and tell you honestly where we can help and where we can’t.

    HMA Academy Trainer Tobias Lanzl

    Tobias Lanzl
    Manager Data Analytics &
    Experte für Tool-Migration


    What our customers often want to know.

    FAQ on Marketing Data Stack

    What is the concrete business value of a marketing data stack?

    It’s the end of data silos. A modern stack brings your data from CRM, ads, and web analytics together in one place. For you, this means: reliable reports at the click of a button, significantly less manual effort for your teams, and a solid foundation for AI applications.

    When is the right time to make the switch to a Data Stack?

    As soon as data governance becomes a bottleneck. When different departments are working with different numbers for the same metric, you lack a reliable single source of truth. Making the switch is critical before you scale up or launch complex AI projects that rely on absolutely consistent data.

    Why is the semantic layer crucial for agentic AI?

    AI agents require clear definitions to function correctly. Without a semantic layer, models tend to “hallucinate” because they misinterpret raw data (e.g., “lead” vs. “conversion”). It serves as an indispensable guide that ensures your AI speaks the same business language as your management.

    How quickly will we see the first measurable results with Data Warehouse Consulting?

    We don’t work on years-long waterfall projects. A production-ready MVP stack with the most important data sources and initial dashboards is typically ready in 8 to 12 weeks. Thanks to our agile approach, we deliver usable interim results as early as the first few sprints.

    Can an existing data warehouse be expanded modularly?

    Absolutely. We take a “composable” approach. You don’t have to tear everything down; we can integrate specific missing components—such as the semantic layer or data activation—into your existing infrastructure. This way, we protect your previous investments while making the stack AI-ready.

    What makes Hopmann different from a traditional IT consulting firm?

    Most IT consulting firms build pipelines but don’t understand your marketing goals. We come from a marketing analytics consulting background. We build systems designed to ultimately increase ROAS or improve the customer journey—not just technically sound code.