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RAG WITH GOOGLE VERTEX AI & BIGQUERY / ENTERPRISE GENAI & RAG

What was the problem?

Enterprise teams struggled with generative AI hallucinations and couldn't trust LLMs with proprietary corporate documentation. Standard search engines returned hundreds of irrelevant document links, while general AI chatbots had no access to internal confidential policies, technical manuals, or real-time BigQuery metrics. The challenge was to deliver grounded answers with verifiable citations.

CLIENTConfidential Client
INDUSTRYArtificial Intelligence & Enterprise Search
SCOPEGrounded enterprise RAG with verifiable source citations
TECHNOLOGYGoogle Vertex AI · BigQuery · LangChain · Python · FastAPI · Vector Search
ENTERPRISE RAG · GROUNDED KNOWLEDGE & VECTOR RETRIEVAL
ENTERPRISE RAG · GROUNDED KNOWLEDGE & VECTOR RETRIEVALOriginal project imagery / REEA Digital
01 / OUR APPROACH

How we structured the solution.

An enterprise Retrieval-Augmented Generation system querying vector databases and structured data lakes.

Embed corporate knowledge. Ground generative responses.

REEA Digital engineered a high-performance RAG architecture using LangChain, Google Vertex AI embeddings, and BigQuery vector search to index thousands of complex enterprise technical manuals and policy documents.

Incoming user queries undergo semantic hybrid retrieval, feeding verified source chunks into Google Gemini LLM contexts with strict grounded retrieval guardrails, returning exact page and paragraph citations for every claim.

02 / WHAT WE DELIVERED

Search enterprise documents. Provide grounded answers.

The delivered capabilities were designed to solve the core problem: eliminate generative AI hallucinations and provide verified internal answers in seconds.

Deploy hybrid semantic vector indexing

Ingest unstructured PDFs, spreadsheets, and wikis into BigQuery vector search with automatic metadata tagging.

Implement grounded retrieval context guardrails

Constrain LLM responses strictly to retrieved corporate facts with direct page reference citations.

Enable conversational enterprise knowledge queries

Provide employees with a conversational search interface that explains technical policies and workflows.

03 / PROJECT IMPACT

Knowledge discovery. Three measures of impact.

Information discovery speed, indexed documents, and citation accuracy.

<650ms

Semantic retrieval & generation

End-to-end response time across enterprise vector databases.

472 h

Proof-of-concept build

Rapid RAG proof of concept delivered by a single engineer.

1.8M

Indexed vector embeddings

Enterprise policy manuals and contract paragraphs searchable in real time.

LET’S TALK

Looking to build a proprietary RAG, vector search, or enterprise GenAI assistant?

Let's discuss vector embeddings, semantic chunking pipelines, and enterprise LLM safety guardrails.

Request a call

We’ll contact you to arrange a call.