Secure AI search and reasoning behind your firewall
The On-Premise RAG platform for unstructured data via API or Interface.
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Company
Join leading companies
The Challenge
Critical operations require AI that runs entirely within your walls
Security
Zero data exfiltration
Sending data to external inference models even via "private" APIs is a security risk you cannot accept.
ROI & TCO
Proven ROI & Controlled TCO
On-premise AI requires significant hardware (GPU) investment. The challenge is ensuring immediate, measurable returns.
Knowledge Graph
Scattered & Multi-Source Knowledge
Your intelligence is fragmented across multiple disconnected silos and trapped in millions of complex files (images, diagrams, technical reports).
Data Capital
Dormant Strategic Capital
Your sensitive data is your most valuable asset ("Gold"). Activating this unique capital is the decisive lever to accelerate innovation and outperform the competition.
One Secure Core, Two Ways to Deliver Value
Accelerate your AI roadmap
Whether you need a powerful engine for developers, a ready-to-use tool for business teams, or strategic guidance
Whether you need a powerful engine for developers, a ready-to-use tool for business teams, or strategic guidance
lighton.mintlify.app
The On-Premise API Engine
Empower developers with a production-ready Multimodal RAG API running on your infrastructure. Integrate secure reasoning into your apps (CRM, ERP) without managing the complex AI stack.
paradigm.lighton.ai/chat
The Ready-to-Use Interface
Deploy a white-label Chat & Search interface instantly. Enable business teams to query, extract, and reason on documents through an intuitive experience—no development required.
Built for search
LightOn supports every modern enterprise search behavior
Chat Search
Conversational Search & Q&A
Users ask questions, not keywords. Switch instantly between retrieving a list of documents or getting a synthesized answer backed by precise, clickable citations.
Massive RAG
Massive Multimodal RAG
Analyze more than just text. The engine ingests millions of files and understands complex formats: images, technical diagrams, tables, and handwritten notes with high precision.
Tool Chaining
Agentic Reasoning Chains
Execute complex tasks, not just search. For multi-step requests (e.g., "Find info + Cross-reference HR + Generate graph"), the AI autonomously chains tools and sources to deliver a complete result.
Team Agents
Custom Specialized Agents
Create dedicated experts for every team. Empower users to build custom agents with specific prompts and restricted document scopes tailored to their role
Data Synch
Universal Data Synchronization
Connect all your knowledge silos. Seamlessly index and sync data from external sources (SharePoint, Drive, Confluence, File Servers). The platform keeps your knowledge base continuously up-to-date.
Access Control
Strict Governance & ACLs
Control exactly who sees what. We mirror native permissions (ACLs) from your sources and organize data into isolated workspaces. You guarantee strict data segregation and compliance across teams.
Imagine the Impact
How much faster could your teams move if they could instantly discover knowledge and surface insights?
Empower your organization to make data-driven decisions, move faster, and stay secure—without ever risking a data leak.
Compliance Analysis
Ensure continuous regulatory compliance with intelligent document monitoring and multimodal retrieval
Extract and monitor compliance-relevant information from thousands of regulatory documents, contracts, and policies.
Cross-reference diverse document types: text, tables, charts, and scanned images
Identify compliance gaps and regulatory conflicts
Automate Your RFP Responses
Find, cross-reference, and leverage all the content you need for your RFP responses, technical, legal, or commercial.
Get instantly alerted when relevant RFPs are published
Easily retrieve useful information, wherever it is
Respond efficiently with reliable, tailored content
Reinvent Support
Deliver faster, smarter, and more cost-effective support
Power self-service portals and chatbots
Reduce Level 1 support tickets
Boost customer satisfaction with accurate answers
Deploy with confidence
Ensures strong, reliable security and administrative controls designed to fully protect your company’s most sensitive data
Single sign-on (SSO) with domain management
Role-based access with detailed permission settings
Support for SCIM (System for Cross-domain Identity Management)
Secure hosting confidentiality and integrity of your data
Cost control flat pricing for predictable costs, with flexible plans to adapt to your usage
Support and consulting expert guidance for successful implementation
Don’t just take our word for it
Hear from some of our amazing customers who are building faster
Safran's aerospace engineers utilize LightOn’s Paradigm LLM-powered chat assistant to efficiently extract key insights from technical papers.
Jérôme Lacaille Emeritus Expert in Algorithms
Babbar needed an efficient SEO strategy enhancement through LLM technology to stay competitive in the dynamic SEO industry.
LightOn responded very quickly with tools that perfectly matched our needs, enhancing our document base and onboarding users without experience. Their attentive customer service adapted the solution to our specific requirements, and we are now considering scaling up the deployment.
Achille Lerpinière Chief Information & Technology Officer
Frequently asked questions
Everything you need to know about soverign search
How does LightOn guarantee that my data stays sovereign and never leaves my environment?
LightOn runs inside your infrastructure. Your documents and queries stay in your environment at all times. There is zero data retention, no external calls, and deployments follow GDPR, AI Act, and SOC 2 Type 1 guidelines. You keep full control of your data and how it is accessed.
What types of documents and data sources can LightOn Enterprise Search index?
LightOn indexes text, images, diagrams, PDFs, and scanned documents. It connects to internal sources like SharePoint, Confluence, and file systems. All content is processed and stored inside your environment for secure and precise search.
How long does it take to deploy LightOn Enterprise Search?
Most deployments are completed in about three weeks. You get a production ready setup that includes ingestion, indexing, RAG configuration, and secure API access, while keeping full control of the environment.
Can LightOn integrate with our existing workflows, APIs, and internal tools?
Yes. LightOn provides workflow ready APIs that connect to your internal tools and applications. You can build custom workflows, agents, or chat interfaces on top of the search engine and integrate them into your daily operations.
Is LightOn compliant with my industry’s security and regulatory requirements?
LightOn supports on premise and sovereign cloud deployments with zero data retention, complete auditability, and strict access control. The platform is designed to meet GDPR, SOC 2, AI Act requirements and aligns with the security expectations of sensitive industries such as public sector, finance, and aerospace.
What are the main use cases supported by LightOn Enterprise Search?
Enterprises use LightOn for internal knowledge management, customer support automation, technical documentation retrieval, R and D workflows, and AI powered internal assistants. The platform helps teams find accurate information quickly and build new AI use cases on top of a sovereign search foundation.
Still have questions?
See how LightOn’s AI layer delivers measurable results, adapts to your data, enforces your governance, and personalizes the experience for every employee—Request a Demo Today.