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Enterprise Architecture · 15 July 2026 · 6 min

Data mesh or lakehouse? Choosing an enterprise data architecture

A practical comparison of data mesh and lakehouse patterns on BigQuery and AWS, and how to combine them for analytics and AI readiness.

Key takeaways

  • Lakehouse is a platform pattern; data mesh is an ownership model.
  • Most enterprises benefit from a lakehouse platform with domain-owned data products.
  • Governance and cataloguing decide success more than storage choice.

Data mesh and lakehouse are often framed as rivals. In practice they answer different questions: a lakehouse is how you store and process data; a data mesh is who owns it and how it is shared.

On Google Cloud, BigQuery with BigLake and Dataplex provides a lakehouse with built-in governance. On AWS, S3 with Apache Iceberg, Glue and Lake Formation achieves the same. Both support open table formats that avoid lock-in.

Data mesh adds domain ownership, data products with SLAs and federated governance. It works well in large organisations where a central data team has become a bottleneck.

Our recommendation for most enterprises: a shared lakehouse platform, domain-owned data products and a central catalogue with lineage. This balances autonomy with control.

Whichever you choose, the architecture must be AI-ready: clean, governed, well-described data is the single biggest predictor of AI success.

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