AI Deployment Firms › Forward-deployed AI engineering firms
Hessian
London YC startup whose engineers go on-site to map operations and run custom AI agents for them end to end.
Y Combinator Spring 2026 company based in London. Its engineers work on-site to map a client's processes, then build, deploy and operate custom agents on Hessian's platform for jobs such as proposal drafting, invoice reconciliation, month-end close and internal data queries. Founders come from Bloomberg, DRW, GoCardless and CMC Markets.
- Type of firm
- Forward-deployed engineering
- Known for
- AI agents for back-office operations
- Based in
- London, United Kingdom
- Founded
- 2026
- Employees
- 1 to 10
- Origin
- Started as an AI or data firm
- Funding
- Pre-seed or seed (Pre-seed)
- Ownership
- VC-backed
- Status
- Active
- Generalist or specialist
- Generalist
- Own product
- Yes: Hessian
- Delivery model
- Embedded team, Runs it after launch
- Founders
- Bao Nguyen, James Smith, Tom Watson
- Website
- hessian.sh
Similar firms
- Fractional AI: Senior engineers who build and deploy custom generative AI systems for enterprises. (San Francisco, United States)
- Tenex: AI transformation and engineering partner that pays engineers per delivered output rather than by the hour. (New York, NY, United States)
- Tomoro: AI consulting and engineering firm acquired by OpenAI (London, United Kingdom)
- Tribe AI: AI engineering and implementation firm building production AI systems for large enterprises via a vetted expert network. (New York, United States)
- AuxoAI: Forward-deployed AI services firm building production AI for enterprises (San Francisco Bay Area, United States)
- Hyde: Forward-deployed teams and a platform that build specialist AI models on enterprise data for large companies. (New York, United States)
AI Deployment Firms is published by Eilla AI. Map criteria · What's new · Summary for AI tools
Also by Eilla AI: AI-Native Services Map · The Legal Tech Map