Unisson

AI agents that automate B2B software implementation

Y CombinatorWinter 2026ActiveB2BProductivity

What they do

Problem

B2B software deployment teams spend excessive time and effort on complex customer implementations, onboarding, and support due to limited subject-matter expertise and context across tools.

Solution

Unisson provides AI agent subject-matter experts that quickly learn a company’s product and operate via Slack/text/email to gather requirements from existing systems and automate implementation and customer success tasks.

Who it's for

Technical customer success, implementation, and sales engineering teams at B2B software companies.

Founders

Varun Mathur

Founder/CEO

Co-founder and CEO of Unisson. Built a VLM that outperformed Gemini 2.5 Pro on video understanding and sold into Fortune 5. Previously led product & engineering for agent products, growth and VLM research at Ambient.ai (YC W17).

LinkedIn · X

Tom Achache

Founder/CTO

Co-founder and CTO of Unisson. Previously led Perception and built VLAs at Chef Robotics, deploying 50+ robots in production that served over 80M meals. Before that, led Perception at Ambient.ai (YC W17).