Series A
$20M
HubSpot VenturesWorkday VenturesM12, Microsoft's Venture FundDIG VenturesSequoia Capital · LeadY CombinatorOneStreamTercera
Open roles0
Total raised$20M
Team size11-50
Founded · Stage2025 · Series A
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About the company
What they build and who they serve.
Auctor is a New York-based enterprise-software startup founded in 2025 through Y Combinator's X25 batch by William Sun, Xinan Rahman, Matthew Blackburn and Anthony Sky Ng-Thow-Hing. It builds an AI-native "system of action" for the entire software-implementation lifecycle — recording discovery, design, delivery and go-live interactions; auto-generating rough orders of magnitude, resource plans, process flows and user stories; and turning project context into reusable institutional knowledge for system integrators and professional-services teams. The company positions itself against ServiceNow, Salesforce and the major ERP vendors as a dedicated agentic OS for the services layer that wraps every software deployment.
Why it matters
Signals from funding, traction, and product direction.
- Combined seed + Series A announced together at stealth exit — Axios Pro confirms CEO William Sun stated the $20M blends both rounds. Treated here as series_a since that is the headline framing in the press release.
- Strategic-heavy cap table: five strategic corporate VCs (M12 / Microsoft's Venture Fund, HubSpot Ventures, Workday Ventures, OneStream and Tercera) alongside Sequoia — gives Auctor distribution lanes into the largest enterprise-software ecosystems it intends to wrap.
- Thesis framing is Sequoia partner Julien Bek's "Services: The New Software" piece — for every $1 spent on enterprise software, $6 go to services. Auctor aims to capture that $6 layer with an agentic OS.
- Market signal: company cites that 50% of enterprise-software implementation projects miss deadlines and 1 in 6 blow budgets by >200%. Positioning is anti-ServiceNow / anti-ERP-vendor for implementation workflows.
Funding history
Rounds and investors over time, newest first.
In the news
Press, announcements, and coverage about this company.
Investors
HubSpot VenturesWorkday VenturesM12, Microsoft's Venture FundDIG VenturesSequoia CapitalY CombinatorOneStreamTercera
Focus areas
Series AAI/MLEnterprise Software
No open roles on the board yet
We do not have indexed listings for Auctor right now. Roles may still be open on the company site—we will add them here when they appear in our feed.
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