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Auctor

Category: AI Agents

AI-native system of action for the enterprise software implementation lifecycle, enabling services teams and system integrators to deliver projects faster with less rework. Auctor was founded in 2025. The company is led by William Sun. Based in New York, New York, USA. Team size: 11-50. Total funding raised: $20M. Latest round: Series A. Key investors include Sequoia Capital, M12 (Microsoft's Venture Fund), HubSpot Ventures, Workday Ventures, OneStream, Y Combinator, Tercera, Dig Ventures.

Founded
2025
Headquarters
New York, New York, USA
Team size
11-50
Total funding
$20M

Value proposition

Auctor unifies fragmented institutional knowledge and tools into one AI-native system for software implementation, enabling professional services teams and system integrators to deliver projects faster, with less rework, and more consistent outcomes.

Products and solutions

AI-native platform that captures requirements from discovery sessions, auto-generates execution-ready artifacts (SOWs, user stories, process flows, architecture diagrams, resource plans, RFPs), syncs across tools (Jira, Notion, Salesforce, Confluence), and provides full traceability across the implementation lifecycle from pre-sales to go-live.

Unique value

First unified AI-native system for the entire software implementation lifecycle — eliminates fragmented knowledge across spreadsheets, documents, and tribal knowledge; delivers up to 80% efficiency gains in discovery and design; turns weeks of manual work into minutes.

Target customer

Professional services teams, system integrators (SIs), and implementation consultancies working with enterprise software ecosystems (Salesforce, ServiceNow, SAP, Oracle, Workday, Atlassian, HubSpot, NetSuite, OneStream)

Industries served

Enterprise Software Implementation, Professional Services, IT Consulting, Systems Integration

Technology advantage

Agentic AI system that joins discovery/refinement calls, captures requirements, generates structured artifacts, and keeps everything in sync when changes occur. Built as a dedicated operating system for implementation work (vs. fragmented tools). Compounding intelligence where every project makes the next one more repeatable.

How they differentiate

Auctor builds a dedicated AI-native operating system for the implementation lifecycle — not a generic PSA tool. It uses AI agents that join discovery calls, automatically capture requirements with full traceability, and generate execution-ready artifacts. It creates compounding intelligence across projects. Backed by Sequoia, Microsoft, HubSpot, Workday, and OneStream.

Main competitors

Traditional PSA (Professional Services Automation) tools, fragmented toolchains (spreadsheets, documents, meetings), bespoke in-house implementation methodologies at consultancies

Key partnerships

Sequoia Capital (lead Series A), M12/Microsoft Venture Fund, HubSpot Ventures, Workday Ventures, OneStream, Y Combinator

Notable customers

Valiantys (Atlassian's largest global partner, serving 65 Fortune 500 companies), ServiceRocket (global Atlassian partner), Ravus (Salesforce quote-to-cash consultancy), Weidenhammer (50-year-old ERP/e-commerce firm), Crossfuze (Elite ServiceNow partner), Softype (NetSuite partner), Black Diamond (OneStream partner)

Major milestones

Founded 2025, Y Combinator Spring 2025 batch, Emerged from stealth April 2026 with $20M Series A led by Sequoia Capital, Landed first major enterprise contract within months of graduating YC, Named customers include Valiantys, ServiceRocket, Ravus, Crossfuze, and others

Growth metrics

Customers driving upwards of 80% efficiency gains across discovery and design; one team compressed 3 weeks of manual effort into ~10 minutes; another team responded to an RFP over a single weekend with one person and secured the deal

Market positioning

Category-creator: first AI-native system of action purpose-built for the $500B+ enterprise software implementation services market. Positioned as the "autopilot" for software implementation.

Geographic focus

Global (headquartered in New York, USA)

About William Sun

Co-Founder & CEO at Auctor; prior founder; Johns Hopkins University (Biochemical Engineering & Computer Science); PE internship; gave up jobs at Meta/Google/AWS/Apple

Official website: