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Onsite Pro

DefunctYC S21

San Francisco, US · Founded 2021 · 4 employees · 11 known investors

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Onsite provides digital pricebook software for HVAC distributors, replacing traditional Excel and PDF catalogs to help dealers access product details, find equipment matchups, apply incentives, and generate proposals.

Also known as Greenwork Inc. · Greenwork

Climate TechConstruction TechEnterprise SoftwareSaaSConstructionB2BClimateUnited States of AmericaAmerica / CanadaPartly Remote

Founders & leadership· Y Combinator alumni (S21)

Onsite Pro was founded in 2021 by Sam Steyer and Gautam Jayaraman.

SSSam Steyer
Sam SteyerCo-Founder and Advisor2023–2025Sam Steyer previously cofounded Greenwork and served as its CEO before transitioning to a data science leadership role at Halcyon. He has held analytics and data science positions across climatetech companies, including as cofounder and head of analytics at Station A.
GJGautam Jayaraman
Gautam JayaramanCo-Founder and CEOGautam Jayaraman co-founded Onsite Pro, a climate and construction-focused company, and previously worked on marketplace platforms connecting SMBs and local workers at DoorDash and Rickshaw. He also co-founded Rickshaw and Jamglue.
JF
Jamie FinchCOOuntil 2025

Investors · 11

Climate CapitalreportedMenlo Park · $25K – $250K

How we know: Y Combinator's founder network · Not right? Tell us

Defy PartnersreportedWoodside · $3M – $10M

How we know: Y Combinator's founder network · Not right? Tell us

Global Founders CapitalreportedBerlin · $1M

How we know: Y Combinator's founder network · Not right? Tell us

GV (Google Ventures)reportedMountain View · $250K – $50M

How we know: Y Combinator's founder network · Not right? Tell us

Kleiner PerkinsreportedMenlo Park · $500K – $15M

How we know: Y Combinator's founder network · Not right? Tell us

Meritech Capital PartnersreportedPalo Alto · $5M – $40M

How we know: a partner's Signal profile · Not right? Tell us

Tango.vcreportedRedwood City · $50K – $250K

How we know: Y Combinator's founder network · Not right? Tell us

UpHonest CapitalreportedSilicon Valley · $50K – $1M

How we know: Y Combinator's founder network · Not right? Tell us

Valor Equity PartnersreportedChicago

How we know: Y Combinator's founder network · Not right? Tell us

WingreportedPalo Alto · $200K – $20M

How we know: Y Combinator's founder network · Not right? Tell us

Founder mafia

2 people who came through Onsite Pro went on to found or lead other companies.

Gautam JayaramanFounderFounded Rickshaw +1Sam SteyerFounderFounded Station A

Related companies · 6

Line.BuildLine.Build provides a platform that helps energy efficiency contractors locate and apply for financing options and rebates by aggregating fragmented incentive programs from utilities, government sources, and private lenders. The software aims to simplify access to funding for building retrofits that reduce energy consumption and emissions.
Carbon CrusherCarbon Crusher uses lignin-based materials to recycle existing road surfaces into carbon-negative replacements, removing approximately 1.5 tonnes of CO2 per 100 feet of road. The company offers crushing and refurbishment services to road owners and operators, with plans to use satellite monitoring for road condition assessment.
OnsiteOnsite Teams (Abeyaantrix Technology Pvt Ltd) is a construction ERP and project management SaaS built for Indian contractors, builders, EPC firms, and interior companies, covering BOQ, procurement, labour attendance, billing, and project P&L. The mobile-first platform uses WhatsApp-based workflows and integrates with Tally ERP and Zoho Books, serving clients across India and the Middle East (UAE, Qatar, Saudi Arabia).
RemiRemi is a residential roofing company that provides roof replacement and repair services with a guaranteed upfront price and no mid-project cost changes. It serves homeowners, offering financing, insurance-claim support, solar bundling, warranties, and text-based project updates.
Charge RoboticsCharge Robotics automates labor-intensive tasks in solar construction to address deployment bottlenecks as demand for solar energy grows. The company focuses on enabling scalable solar installation through robotics technology.
HelonicHelonic builds AI software that analyzes 2D construction drawings to identify issues such as coordination conflicts, code compliance problems, and missing information before they reach the field. The platform integrates with Procore and Autodesk to flag drawing issues that typically go undetected in manual plan review, helping construction teams reduce costly rework.

Companies working in the same space as Onsite Pro.

Legal entities · 1

corporate structure
Greenwork Inc.

Frequently asked questions

What does Onsite Pro do?
Onsite provides digital pricebook software for HVAC distributors, replacing traditional Excel and PDF catalogs to help dealers access product details, find equipment matchups, apply incentives, and generate proposals.
Who founded Onsite Pro?
Onsite Pro was founded by Sam Steyer, Gautam Jayaraman in 2021.
Who are Onsite Pro's investors?
Onsite Pro's investors include Y Combinator, Climate Capital, Defy Partners, Global Founders Capital, GV (Google Ventures), Kleiner Perkins, Meritech Capital Partners, Tango.vc and 3 more.
Where is Onsite Pro headquartered?
Onsite Pro is headquartered in San Francisco, US.