What is Lexian?
Lexian is an AI-powered SaaS platform designed to support consultants and knowledge professionals through intelligent workflow automation and a personalised digital workspace. It brings together the capabilities of large language models with a deep focus on privacy, domain-specificity, and contextual awareness.
The core idea: knowledge professionals spend a large portion of their time on repetitive, high-cognitive-load tasks such as drafting documents, synthesising information, preparing meetings, and tracking decisions. Lexian automates and augments those tasks in a way that feels like having a knowledgeable assistant who understands your context, your clients, and your way of working.
Private-first architecture
Lexian is built on private LLM infrastructure. This is not a wrapper around a commercial API; it is a purpose-built AI backend that keeps all data within a controlled environment. For consultants and professionals who handle sensitive client information, this is not a feature, it’s a requirement.
The architecture ensures:
- No client data is sent to third-party model providers
- Full audit logging and access control
- Compliance with GDPR and sector-specific data requirements
- The ability to fine-tune and customise the model on proprietary knowledge
Technology
- LLM orchestration: LangChain and LangFlow for reasoning pipelines, tool use, document retrieval, and multi-step task execution
- Private deployment: Self-hosted or private-cloud model serving, with support for quantised open-weight models
- Personalised workspace: Each user builds a persistent context layer of their projects, clients, preferences, and knowledge base, which the AI draws from in every interaction
- Workflow automation: n8n-based automation layer for connecting Lexian to existing tools (CRM, calendar, document management, email)
- Domain customisation: Organisations can configure Lexian with their own terminology, templates, and process knowledge
My role
I am co-founder of Lexian. I co-designed the product vision and technical architecture, and I am involved in product strategy, technology decisions, and go-to-market. Lexian is currently in active development.