SESEN.AI
Boutique AI consultancy for finance and healthcare
SESEN.AI is a specialist AI consultancy based in London, working with organisations in financial services and healthcare to design, build, and deploy production AI systems.
What we do:
AI Strategy & Roadmapping — helping organisations identify where AI creates the most value and building actionable implementation plans.
ML & NLP System Build — end-to-end design and deployment of production machine learning and natural language processing systems.
LLM & RAG Pipelines — architecture and build of retrieval augmented generation systems and LLM-powered workflows.
Agentic System Architecture — multi-agent AI systems for complex, autonomous business workflows.
Quantitative Modelling — signal research, portfolio construction, and execution algorithms for systematic investment strategies.
Technical Due Diligence — independent assessment of AI capabilities and data infrastructure for investors and acquirers.
Fractional AI Leadership — part-time CTO or Head of AI for organisations that need senior technical leadership without a full-time hire.
Recent work includes on-device RAG and speech-to-text systems for a digital health app (Recallify, UKABIF Innovation Award winner), ML-powered thematic investment funds ($2B+ AUM), and AI trading platform development for a global investment bank.
Tech stack we typically work with: Python, PyTorch, LangChain, Hugging Face, OpenAI API, Anthropic API, AWS, Azure, React Native, PostgreSQL.
London-based. Available for advisory, project-based, and retainer engagements.
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