agentech
All work
AIRAGMulti-Tenant SaaSChat Widget

Agentech Assistant

Custom AI Chatbot as a Service — your data, answered with citations.

Overview

Agentech Assistant is our flagship product: a production-grade, multi-tenant Retrieval-Augmented Generation (RAG) platform — Custom AI Chatbot as a Service. A business subscribes, uploads its own data (PDFs, Office docs, spreadsheets, live URLs, pasted text, images, audio), and gets a customizable chat widget or API keys that answer strictly from that business's own documents, with citations.

The Challenge

Businesses drown in repetitive support questions while their knowledge sits locked in static PDFs and web pages. Generic chatbots hallucinate and can't be trusted with company-specific facts — and any multi-tenant solution has to guarantee that one client's data can never leak into another's.

Our Approach

  1. 01

    Architect

    Designed a modular monolith (Spring Modulith) with defence-in-layers tenant isolation: application-level tenant context, Postgres Row-Level Security, and per-tenant vector isolation.

  2. 02

    Ingest

    Built an async, Postgres-backed job queue that extracts, chunks, and embeds any source — documents, spreadsheets, re-fetchable URLs, pasted text, images, and audio.

  3. 03

    Retrieve & Answer

    Streaming answers grounded in each tenant's own corpus, cited, and delivered in an AI-generated per-tenant persona voice.

  4. 04

    Meter & Bill

    Real-token metering behind a simple 'messages' model, with subscription pools, prepaid bundles, and a super-admin back-office for offline payments.

AIAI & Automation

Retrieval-Augmented Generation over each tenant's private corpus: a question retrieves the top-k relevant chunks for that tenant only, then streams a grounded, cited answer in the tenant's persona voice. Ingestion spans text, structured data, live web pages, images (vision), and audio (transcription). Hard tenant isolation is enforced at the application, database (Row-Level Security), and vector-store layers — one client's data can never leak into another's.

OpenAI GPTEmbeddingsWhisper

Tech Stack

Java 21Spring Boot 4Spring ModulithPostgreSQL 16 (RLS)QdrantRedisNext.js 16React 19Vanilla-JS Widget

Results & Impact

80%
Tier-1 tickets deflected
24/7
Automated, grounded answers
6+
Source types ingested
100%
Cited, tenant-isolated replies

Gallery

Our Product · Live

See Agentech Assistant in action

Your own AI assistant, trained on your business data — live on your website in days, not months.

  • A chat widget that answers from your own documents, with citations
  • Ingest PDFs, spreadsheets, live web pages, images, and audio
  • Your brand and tone — a persona tuned to your business
  • Hard tenant isolation: your data is never shared or mixed
  • Usage dashboard with simple message-based billing
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