Fundraising Fox

Torus

YC S26

San Francisco, US · Founded 2026 · 6 employees · Hiring · 3 known investors

Torus is an AI system that analyzes engineering documents such as P&IDs, datasheets, and specifications to identify cross-document inconsistencies and automate engineering workflows. The platform serves engineering firms and project teams managing capital-intensive infrastructure projects like substations, pipelines, and treatment plants.

Founders & leadership· Y Combinator alumni (S26)

Torus was founded in 2026 by Marcus Lima and Rahul Thayil.

MLMarcus Lima
Marcus Limain𝕏Co-Founder & CEOMarcus Lima is CEO and co-founder of Torus, which develops agentic engineering tools for capital project engineering firms. He previously founded Heimdal, a direct air carbon capture technology and infrastructure company, and holds degrees from Oxford and Cambridge.
RTRahul Thayil
Rahul ThayilinCo-Founder & CTORahul Thayil is a co-founder at Torus (YC S26) and previously founded Orion, an AI-based threat intelligence and response automation platform.

Investors · 3

Funding

SEC filings, press & company announcements

$200M disclosed across 1 of 2 rounds · 2024–2025

Source: company announcements and press reports — follow each round's link for the claim.

In the news

Frequently asked questions

What does Torus do?
Torus is an AI system that analyzes engineering documents such as P&IDs, datasheets, and specifications to identify cross-document inconsistencies and automate engineering workflows. The platform serves engineering firms and project teams managing capital-intensive infrastructure projects like substations, pipelines, and treatment plants.
Who founded Torus?
Torus was founded by Marcus Lima, Rahul Thayil in 2026.
Who are Torus's investors?
Torus's investors include Y Combinator, Magnetar, Magnetar AI Ventures.
How much funding has Torus raised?
Torus has disclosed $200M raised across 1 of its 2 known rounds.
Where is Torus headquartered?
Torus is headquartered in San Francisco, US.